Revox B77 mk2 Service -Anleitung

2.

T echnische Oaten

iM(':;s.w~J1

t.~

"ui.•"'r

G3ii

laufwerk:

3-M,_.iur•:'rt

!

N.:>Ci'ips.t1Jnmo:or.1;1it>"-:t1omsch

Bandgeschwindigkeiten:

3,5

;:m/s

Urll!}e'iChafto?t

Tolernnz

Variable Geschwindi9keit von

TonhOhenschwankungen:

!nach

DIN 45507)

bei

9,5

bei 19

Schlupf:

rnax.

0,2 %

Spu!engr6sse:

bts

26.5

{rnir.. Kel'odurchmesser 6

Bandzug

{for Ueine Ketndurchmesser}

Urmpulzeiten:

ca.

135sec for 1100m Tonband

8,wd'" mit T0nband

LciUh\.'f:!r~,

2 AC-W1d.:elm\;toro?n.

und

19

(ITJis,

Bie!.-11•.Jlll:;C.h

d;•r

Sollg>;?schwmdigkeft

cm/$ besser als 0, 1 %

cm/>.

Uessei:

Jls

0.08

cm

(10.5"J

Dorchmesser

umschalto.ar

cm)

%

6.5

:t

REV()X

9eiege!t

0.2 %

... 28cm/s

2.

Technical Specifications

(''<yvi;1,1rr·

oerf1,rrnar1,~e

REVOX

631

t.ar::".!J

Tape

transport

3-ni•Jt'Jr
tors: 1

r~

Tape

3 75

chan~"o·.-er

Tolerance

Sp-eed

Wow and flutter:

<as

dard 193·1071i

at 3.75

at

7.5 .ps

Tape

ffi.;IJC

mechani'sm:

i:::ipe

.Ji1ve. 2

A.C

dr-\.;8n cap':.!Jri

...

lic,:ti.:i:!

speeds:

1p:;

and

7 5

ips,

8ie,~!lonic

from nomina! ± 0.2 %

vBriable fr:)m

per DiN 45507/r:r;nsi:>tent

ip&

slip:

Q.2%

Jess

les.s

than

tha:n

2.5

0.1

0.08 %

Ree/size:

Up to 10.5 inch dtameter

2.36

inchesL

Tape

135

sec for

tens.ion

360()

hub

d1amet-:!fS).

Winding time:

Approx.

data

.;i::;

rnE'o:>ured

AC

d11vPn

mNor.

___

11

ip.:;

with

%

(min_

hub diameter

switchable (for

ft

of

tape

with

s.poolln'J

mo-

ielecttc,riic3l!v

IEEE

stan·

small

2.

CaracMristiquM techniques

(Va!•.:>ors

d~

mes.uie

bande

REVOX

Entrainement:

entr~1iriE"m.:;nt

bol;inage;

1 moteur

nique.

Vitess-e

de defilement:

9.5 emfs et

a commutat1011

T oliirance

Variation de vitesse de

Pleurage:

(d'aprils

DIN

a

9,5

tm/s

a 19 emfs meilleur que

Derive:

max.

0,2 %

Diametre des bobines:

jusqu'8 26,5 cm (10-5")

Dia-metre

minimum

Tension

de

ioour

!es

petits

Duree de rebob;nage:

environ

135

".:ipr~~s

631

l

~ 3 mvt'.H;r:~.

AC

de rJbestan.

19

cmis

€-lect1oniqu~

dP.

la

vitesse nominaie ± 0,2

G,5 ~ 28cm/s

45507!

rneilleur

Que

0.1 %

0.08

du

noyau.

bande

cornmutabie

noyau:>J

soc

pour

une

b.ande de 1100 !'fl

bande"

2 r11i)leurs

,3

r!?gulation

%

6 crn

<JV8r:

\.J

AC,_!;.,

e'.:'<:'f.~

()..;,

laufwerksteuerung:

lntegnerte Logik for belieblge FunktionsUbt"'r-

giinge

mit

Bandlaufaensor. Motoren kontaktlos,

elektronisch umgeschaltet. Alie Funktionen

fernsteuerb;)I'. Schaltuhrtetrf.eb

d1eriung m6g!ich.

Entzerrungen:

!nach

NAB)

9,5

emfs.

90

µsoc

50µsecf3180µsec-

Band

gemessen. bei

50

cm/s

30

50

entsprechen 6 dB

nach

.A.S4·Norm.

OVU

1257

...

:iws

<..

0,5

cmi.-s < 02

i 3180

H_z

•.•

Hz

Hz

... 15 kHz ± 1.5 dB

nWbin1)

'~~

·~<>

19

cmis"

Frequenzgang:

(Uber

bei9,5crn/s 30Hz ...

be1

19

Vollaussteuerung:

514

nWb/m

Aussteuerungsanzetge:

VU-t\'1ewr

mit LED UbersteucrungsanLe1gen

Klirrfak tor:

be1

btJ1

.9,5

bri

19

mit

µsec

-20

vu;

16kHz

+2f-3dB

10 kHz ± 1,5 dB

20

kHz + 2/-3

Uber

0 VU

0\l!J-t

{$1-l

111/>lb/rn)

,-

J,S!!t,

<0.5%

Fernbe-

dB

6:.!B

Tape

transport control:

Integrated control logic with tape motion se-nsor

for

anv

desired

operatmg

modes.

ing

of

::ill

motors_ AerPote control

tions and

e~ctn.::

Equalization:

\aspei

N.J..Bl

3.75

ips.

90

µsec

7 5

1ps·

50µsec.' 3180µsec

Frequency respcnse:

{measured

via

7.5 ;ps

recording

nWL1.':n

metering:

1nliicat.xs

3.75

7 5

•PS

fp~:

·v::.

taoe.

30

50

30

50

level:

corrt-sponds tQ 6 dB

as

per

.ASA·stnndJrd.

Cl\!\}

i-257

<_";}5%

<

at 3.75

at

Peak

514

level

VU-mtHE>r

!i:>vei

Distortion:

ilt

:H

,it

transition between

Contactfess

tlmer operation are possible

3180

µsec

at

-20

Hz

..

16 kHz + 21-3

Hz

.. , 10

Hz

...

20 kHz +

Hz

15

nWu'mi

!..."1.2

·~[)

electronic switch·

of

VU)

kHz ±

1.5d8

2;_3

KHz ± i.5dB

a!Jove

0 VU

with

LED

u

vu

.....

!514 nWh.'mi

<1.5%

<

0,5'!\t

different

all func-

dB

dB

p•.;-<:ik

6

,_fEI.

Commande

du

Commande

a•Jee
Commaode 1§.!ectronique !sans contact)

teurs.

Fonctionnement pcssib!e

av-ec

Corrections:

{d'aprils NAB)

9.5cm/s:

19 emfs: 501'5ec / 3180 µsec

Reponre

(Bnreg1strement·lecture,

a9.5cm/s

a

i9

N;veau

514 nWb/m, correspondant

lndicateurs de

VU-metres

teors

T11ux

;j

':.i,5

j

rn

mtJcanisme:

des

fonctions

detecteur

de

Toutes

!es

intem.mteur horaire

901'Sec/ 3180

en

frequence:

30Hz..16kHz+2/-3dS

50 Hz

cm/s

30

50 Hz ...

maximum:

niYeau:

d'ap!E!S

LED

des valeurs

de distorsion harmonique ·

OdBVU

\257

CIT•/:;

crn/,,

<

..

mouvement.

fooctions

-·-

Hz

..

!a

no1

de

nWo/mi

.0,5%

0.2%

par

de

µsec

rnesuri§:e

10 kHz ±

20

kHz+

15

kHz±

a+

me

pointe

log1QU>3

tr:.HE!cornmand.lb"!,

la

t8!.§comma('

3

15

2 I

1.5d8

6 dB VU

ASA.

+6~i8\'t·

{514

<
<

int~

d~

-20

VU'•

dS

-3

dB

i:lVE'C

HV1i(

n\V!.r·rrn

1.5'\,

05''~

2~1

r:~

Ger§uschs.pannungsabst;md:

(nJch ASA-A

2-Souf:

bet 9.6cm/s

bei

4-Spur·

bei 9.5

b~i

Obersprechdiimpfvng:

\Ue1

Stereo

Mono besser

L6schdifo>p"1ng:

bei

Eingange

MIC

PositionLO·
tUr
Position HI: 2.8mV / 110 kOhm

fUr

RADIO: 2.8mV / 20 <Ohm

AUX·

Obersteuerungsfestigkeit allef Eingange:

40dS

Awgange

(P.gel bei 0 VU

OUTPUT: 1.55

mit

RArJm· 1,55

mit

PHONES:

kurzschlussfest. optima! fur Kopfh&er

\/Oil

AmchliJttefiir:

Fernbedienung

Fernbedienung

rnaprojektor

(

nachrUstbar)

Bestiickung:

11

60

2

BrU<:kengleichrichter, 3 Relais.

Stromversorgung:

100 ...

umschaltbar: 100V, 120

220V,240

50 ... 60

max.

Netzsicherung:

100 .•.

200 ...

Gewicht (Masse}:

ca.

ubt!f

Bimd

IJ'!tnC:.:r!!nl

bes:.cr

•1!s

fJll

bcsser

tJ!-.;:

19

emfs

cm/~

19

cm/s

1000 Hzi

19

cmis

pro

(asymmetn:sdl)

Mikrofone

Mikrotone

!1

:

1001

pro

Pegetstellff

Pegelstelle<

200 ... 600

IC. 1 Opto-Koppier, 4 Triac,
Transistoren.330ioden.

240V-v±10%,

V

Hz

ohne

80Watt

140V:

240V:

17kg

07

bcs.se.r

ai~.

GO

l~

als 63 dB

t>esSt'f

o!<>

'15

.a!s

60

besser

al:.

75 dB

Kanai:

0.15mV/2.2k0hrn

von

50

... 600

von

50

Ohm

... 20

40

mV

1220

Kami:

+6d8,

'0SP.

VI

R;

390 Ohm,

"""·

1.5 kOhm

regelbar,

max.

vi

R;

4,7

regolbar,

max.

(2~i

ma« 5,6

Ohm

Lwfwerk-Funktionen

variOOle

Bandgesctiwindigkeit

oder

Oberblendeinheit

V,

Umschaltung

1AT

0.5AT

d[~

dB

dB

dB

dB

Ohm

kOhrn

kOhm

514 nWb/m)

-26

dB

kOhm

-26

dB

VI

R;

5 LEO,

140

V,

220 kOhm

200 V.

Signal

to

noise

as

µer

track~

ip:;.

ips

ips better

per

chamre!:

iunt.><tl.ancBdl

600

ohms microphones

Hl:

(1:

100i

--

channel:

at

6<18

above 0

with

with

200

... 600 ohms

for:

contra!
Q.."\Otrol

protector

Op

to-coupler, 4 Tr iacs,

•..

240V

-v±

V,

220

V, 240 V

60

Hz

without conversion

SO

watts

l«JV:

1 amp slow-blow

..•

240

V. 0.5ampslow-blow

17

kg

I 37

ratio:

ASA

A.

mE1a<;u1cd

via

t.apei

bett~

than

G4

th.:.in

67

60

th.:in

63 dB

45

than 60 dB

ihari

75

roV

/ 110 kohms

mV

120

kohms

mV /

220

kohms

VU/

514 nWb/m)

VI

Rj

390

VI

Ri

4,7

•l

max.

5.6

tape

trans.port functions

variable

tape

unit

full

wave

10%

120V, 140V,

lb~

7 ozs

dB

dB

dB

dB

dB

50

oh1ns

kohm•

VI

R,

speed

{e!ectrorncs

60

rectifiers.

ohms

to

attenuation

220 ohms

transistors.

better

b-etti:tr

OOtter

0.15mV/2.2kohms

2.8

40

max. 1.5 kohms

preset control, max. attenuation

p!eset controi, max.

12

of
of

or

crossfade

(weighted

half

at

3.75

at 7.5

quarter track'.

at 3.75 ips better than

at

75

Crosstalk:

lat 1000 Hzi

Stereophon-ic better than

Monuphurric

&asure:

<'.It

7.5 ip::,

Inputs

MIC

position LO:
for 50 ...
position

for microphone impedances from

20kohms
RADIO: 2.8

AUX:

Overload rnat"gin on all input5:

40dB

Outputs

(Level

OUTPUT: 1.55

adjUstable

-26dB

RAOlO: 1.55

adjustable

-26dB

PHONES:

short-circult proof, optimum matching im-

pe<lance

Connectors

Remote

Remote
S!tde

opt1ona1J

component parts:

11

I Cs. 1

33 diodes, 5 LEDs. 2

3 relays.

Electric current supply:

100
voltagese!ectorfor100V,
200

50 ...

max.

Main fuse:

100 ...

200

Weight:

Appwx.

Rappart signal/bruit:

{d"apres

ASA-A. emeglstrement·li?ctun!)

2pistes.

.i.i

9. 5 un/s meilleur que

J 19 cm/s

4p1stBS

;)

9,5 cm/s

a

i9

Amortissement de

{a 1000H.:)

Stereo plus

Muno plus

Effkacite d'effacement:

plus

Entrks

MIC (asvmetrique)

position LO: 0, i 5
poor microphones-de 50 a 600 ohms
position

pour

RAOIO: 2.8

AUX.

Tau".

40dB{1·1001

Sorties par

{niveau

OUTPUT: 1,55

avec

RADIO: 1,55

avec

PHONES:

court-circuit sans risque,

&.!

200 ... 600 ohms.

RM:Cordement

teiecomrnande

variateur de vitesse

projecteur

(en

Composants:

1 i

33

Alimentation:

100 ...

commutable- 100 V, 120. V.

220

50

_ .

consommation max. 80 W

Fusible secteur.

100 ...
200 ... 240

Poids:

environ 17

rneilleur

mB-illi:>ur

cm/s

me1lleLrr

de

75 dB a

pJJr

canal:

HI:

2,8

mtcrophones

40

de

surcharge

canal:

a+

6 dB VU.

max.

attenuation

atOOnuatmn

(2

pour:

du

-de

diapositives ou fondu enchaiM

option)

IC,

1photo--coupleur,4

diodes, 5 LEO. 2 redresseurs

240V-v±

Vet

240 V

60

Hz

sans

140V· 1 AT

V.

0.5

!<.9

qui:?

que 60 dB

Que

la

diaphonie:

de

45

dB

de

60 dB

19

cm/::,

mV

I 2,2 kohms

mV

/ 110 kohms

de

50

ohms

mV

/ 20 kohms

mV

/ 220 kohms

de

toutes

resp.

VI

Rj

1,5 kohms

ajustab!:e,

VI

Rj 4,7 kohrn

ajustable,

x) max. 5.6

pour

mfcanisme

10%

commutation

AT

64

dB

67

dB

63 dB

___

les entrees:

514

n\'Vb/ml

390 ohms

max.

max.

VI

casques

triacs,

et 3 relais.

14-0

20

-26

-26

V,

Ri

60

kohms

dB

dB

220

ohms

transistors.

200 V,

Abmessungen

Normale AusfUhrung

I

, , 538

I:

1-r---::----·--

1

v

rt

\

"'I

..

1

21.

71

j

i +

!

. i

I

\

~

""1'

Rack-Ausfohrung

f

~1 ~1

Li___

Dimensions

Standard Version

"'0

;:)!).~

..

/~

-·-·

-

....-----....--,

·--

O

l

00

0°00°1

0 0 0 0

o o @ o © @

I

I .

~

Rack

=

ooQoA/Aol

00Y

0 0 @ 0 @ @

f-.

YY

0

483

I I

ol

~

1~1~1~1~1-1

Version

__./"-+t~

c::::::::J

I

~

I I I I I I I

________.1

i

..

1

i:.:.i

•

5J

-,

~t

t

-,

-~'

J,~t

-~"

-r-

_--1..

•

;,:1

..

·,

Dimensions

Version normale

I~

'

I

t

~

I

::j

.,,

I

r

I

11.

J..

Version rack

r

I

"'I

.-t

~1

23'J

i

I":\

I

~I

\I

""

.

207

..

I

,J

].l)

·~-:

~

;

g-q

Andetungen vorbehaHen.

2-2

Subject

to

charlfJe.

&ws reserve de mod1fa:at1on

:~-3

Einb

..

1u·Ausfohrung

Installation Version

Version a encastrer

,-

1

"'

"'i'

~.

L

I

I

! 147 ... l 44

I,.

I I

I I

I

I

-t-

~1

i

;..')1

ii

r-:·1

0

oo0o00ol

0 0 0 0

o o @ o @ @ o

r

---l"IAI

.oo

..

-i

111

/

0

[=:!

I I

.....,,

1-r1-r-1,...1

0

,....,1

I

_I

1

,,,t~

1J,1,m;,f,1lfJit111ili1Jr.··••,i'1l·d'

. v I

.;::w:

.

'

t

HOLZAUSSCHNI

DEcOUPE

.

CUTOUT

TT

1

')1

I-·--,

fll'll·

'1~

•'\

-o/i

+ ;

j'rn

"'

Nt

gs

~.,

I

I

~i:f(i

lll

1

f.

:1

i~Q,:.;lt\i·

~

I I

1 432

I

..

'"11

Af

~~,,~~-i~b

.,

-0

137

·~-

~~I

I.

f~

I

·,1

\

!

M1.r

:J'f

I

0

L .

.__

_

__,

rTl>rJ1:fJI

--H•·•

..

176

---~19-'-.1

.:;,,.)

::..;i,yt!e

nnt

nuf

rJ•_;r

,-:-,

!':~Jttt;r·ki«.

!t~}

E«>t»1u111.i:.~e

,,;

i'·t

Jt;'t:io

/!Jld1'°'

2-4

WH{.'t~n

~

•'

91ns9._.r

<.ii:.

b·_;t

V•·r·.v~ndun~1

-...J

12

rnrn

I I

I

I ,

I !

Ii

..

J !

~;€1!1_;

(A")

On

p;me-!

th1d"'='~;.:..;;:;

;n

b'C~el!ttl

t>di}';

fJfl

( 8)

S.1-..JJce

rr~rJuir1:.'ment

.;.t;~n

us;11g

!he

dust

the

ti:1nnm ·,idti 0111"

m1n1rr.1Jn•

({8.,r

fl(UJ:>:;.

•)f

i2

rnrn

.

(~)Seu

le

la

decou.()t!

biseau

pour

d't.~p,:1i:;;;;:>11r

~)

D1mensiN1:>

couverd~

inferieure n6;,,essite un

les

panneaL1;c

de olus

dt.•

101ui:;r~:;:

pom

de prot.:-crion

ru11l;5iit1un

12

mm

du

P13

21V

--"··r·

_,.

11

:""!

·,._

,j;

~~1

'il~.i

•

t1

,•

;c.,.:.

!

··l·"I

Fig.6.2.-1

6. Elektnsche Einstellungen und

Messungen

6,

1.

Messgerate

und

Hiffsmittei

En1nv1gni:t1'.>letur1go

r·JF.M;l!ivrAtrne;er

i·<F·G•?t1er<..1tor

i':]!rrfJ!-.t:Jr

O::zii!o:;k')0

[i,g,td!Z~Jhler

To~!!Oh"!nS{:hw.3n~ung-;rr1e:,s>?r

6.2. KontroUe

Stabd1s-.ier!e-

$pe1s:e~-annungi;.:n

Aut

AtJti;o-Vertindiing~·Pi:lt•no?

Fig_

6.2.-i

Spanoung

Unst:~biiisrerte

Nt:'nn-Netz5pannung)

6.3. Laufwerk·Einstelhmgen

6.3.1. Kontrolfe der Laufwerkfunktionen

Go:wclt

tac,ten.
stand

an
zw1:;c.ht:'n

\·\l,ckeimot;-:1'.:-

1.s

Speiwsp:Jnn'J•"J

Ger.at

in

Auf

L3tlfwerkste<J€H!f'->J

R34

!Fig.

Spannurig

von

Umspuien

Die

.l\11Uru,o,::>._10Pe

dP.<.

r,xhten

Sollt·~

t1il"

ti1e

T-Jnwi'·lif' di•JCkcn.

Sell'>drspule und Gi"d·,-c;

nilr.~

CP·)SSel

rvt:-:t:'.-:Jt;'!'Jt

\Cou;1:!?1i

der

Speisespannungen

21

V

J

me::~rY

21

V ± 1 V

STOP-Pos;11on

6.2-21

me::;:Mn

24 V 26

auf

i!V1ederg.;1bi:

~i;;d

W1d.Bitf"iler:.;

Andru<:ki,)!1>"d.J:~

'""~'

kt1n;1,1!ijer=~t1

IP13,

24

V.

an

W~de-cstJri·J

V ;

be;

\PL~

er.sf

einla!lren.

iS~

Y)

nao1 Still

8.Jn•l

1u

fru!1

·l€r

/.>,b~t,•no

Ue"

!;:;'iiit>n

!-...:~'

6. Electncal adjustments

6. 1. Required test equipment

,A=Jd10

m1llivoltn:;..,_..tt>r

Audio

gen.ie:ator

D1srortioo

f<Kt,.Jf

ccmritE<i

;:inci

flutter

d•:ro.?Jr>etizer

meter

n1;::it;;-r

O:>cil!o:;cope

Digital

Wow

H€a<J

6.2. Checking the supply voltages

Regulated

21

V supply

rrie;;sure voltage on .audio intercon· Sur

ne:t<-..)n

board (P13,

fl>j

6

2-1~.

read

21

\/ ~ 1

Unrfl_Juiat·~d

Rerord•::r

Me.3sure voitage

tro!

1t

nal :me vo!tagel

6.3. Tape transport adjustments

6.3.1. Checking the tape transport functions

Stan

Hw

r.;i.-;order m

tion_

After

seJe--.:t

PLAY

OOcome

activJted

still

of

the nght-han.j

If

agdrnst

the

nt~cess.Jrv

-o;ensur

coil

1 S

m;n}O

039

24

V supplv

1n

p•:is.1t10n

boarj

at

must

r'*K1

the

a high w•nd1ng

-

thP.

pin(h

onor

t~

p1n,.~h

rnpst.;n

shJit

(Orre;.:t

th.e

.:md

the

sp(1oi•ng

."

0 062

\/_

STOP .Appareil

on

~ap~

resistor

24 V

t.3st

forward

roil>01r-

tu

the

r,:;ef

!Oiler

too

deJranC•)

moto1

me.hes).

it

tr

dnsport

R3<l

ifr.g

6.2 -2J,

26

V iund€r

norni

wind

is

attaint:!d,

arm must not

wmplete

the

che.-.:k

betWt?'en

\appn._h:

fun1>

stJn,_1.

and

spf;:ed

prG:>:i>-'S

so:10~~.

Fig.

6.2.-2

6.

Mesores

et

r6glages

6.1.

Appareifs

de

mewre

D8ma~r~t1seur

Mdhvoltmerre BF

G&nerateur

BF

Pont

de

d;stors1on

Oscllioscopf

Cornpteur

digitJ!

.'.::-..::1nt1•iom~tre

6.2. Cootr6le des tensions d'alimentation

T811;in)11

d'aiirnentatjon

liJ

6n:u1t

must

Tc-r1sion

·,xin-

6.3.

6.3.1.

PassAz

Le

(on-ipio:~t

t<1pe

1f

pr•:'.>seur

the

m:tr~

m-.J!{:ur

6.2.-1;

Tension a mesurer:

Sur

s1st.oince

Tt~nsion

ia t.:in:;ion -;ect8ur

RCglage

ContrOle

du

gale!

du

Si

l:t

bo!.m""le

tPP>:1ron

d'1nter,:onn~:<ron

1.f.;:IOm>?n~atlon

en

pos1t;on STOP

!a

comrnonde

R3d

(f19.

a rnesurer.

du

mecanisme

des

fonctions du

bobinage

r;,1p~dP

presseur

ne

do

platt;'au

de

bobine-

ce

n'e·

..

H Pih le

cul!e

trnp

ti.'lt .::onl1

du

d~t("'Ctf'ur

1 1,!J

etectriques

et

accessoires

st::ibdi:;~e

21

'v'.

;F-13.

t,

21

V

.:!:

1 \/.

non stabi!isAe 24

di;

6 2 -21

24

n,ynina!~)

\'

mecanisrn1~

3

f?,

V 26 '·

•oc

mecanisme

en

1t>cturr; <,?LA'"{·

it

coik!r qu ·

;:ipr~s

\"<i1rd

(hoit

,:;as.

t't

qut'

it>

"'ak

:,tez

l,1

,~,5tcJnv

1

':""(

~a

i:k~~·iie

n:m}

d

6.3.2. Tachokopf-Einstellung (Tonmotor}

C<"•J

L1dt·'.(_•JI!

/V'

,,,,

''·'H

r.!.;

~.,q

(;_-.: J.:i rnr11

;n01dn11~'L"•'~;r·1,JH<J,·i·'~"

•!Hd

PL";·

:"i;[ql

_-::;,

"');

":

.p u<1;·1rn1

d•"I

:J1:1n1•-.·.•

:1

•_l•.••Pl

lw!f,Jq1•;

_Du•

E•r:·

idJ:i~q

r•i•J·.·,c1

f1.'

1

lt:r

',11<>~:,v.·

·~.'-,

rn..'·:'

r.,,J,.,n:,,r,·1 :,,;,,1J ·

'!s1r=i.

6.3.2, Tacho head adjustment

~1,1\••1

Th<.:

'lt•.11Jn1"'

"".i

!Pl

'l

<''

Pl.!li;;i• . dfl•it

,,t

1>3

l; ..
t!y ,On:.!!;,>nt'·-1 ·d\lh\>r:

·'~!,l,J•'

L1r:;:,

PL~

b•.>lwt-~ll

!hp,

:,~•c.1c1n

Jn1u·U.Lil]

•;i

J~,

il'''"-'•11l P13

n1.~

lJC!h'

n~·<id

g

~;t.._>1

~"!\-,

niV

.;t

.3

iL·!1.1\·l

Jnd

-,,!iL1\!U

,)1H0Uld

11:,!,.·.

lf,,·!~'""i'

!1't'.b'"~il•,l

,i

_·:.'ol

•:tqn .

)~··~

:1!

!ii·'

nw

lt•

.J'

6.3.2.

Ri?glage

L.:

·J•:>idtl\

1,,,

l1•··d1.11tq\le111

!"·j!Jq!·

1

'l,'>:_n1.

·\j

it>!,·ui d1i

m,·,11,,;1;1· ,J,

de

la

t~te

,,

t'n~tt'

!._i

!•::tr·

do11

,.q

f·!"'

l'JI~';

.!.

{''•lit·

it•«

;•un;!-.

1t1i

,f.ilm1"t•~.,1.

'..!)

••

tachymetrique

!.:i-:!~VH":\!!'.1

dt•\;

1

!

1tS•l•.it' i

Pl

<>ll

' ;_t,rw1}

.·,.

" 1

0:1

€:l'l

jl'

".

·'!

~"1·1

(

:'"if

''

j;

: .

!:j

··.~

..

lillii...,[

Fig.

6.3.-1

6.3.3. Geschwindigkeits·Eichung

aof

w~edergabe

-

zahlre_;ielungs-St>J(kkJrte

umschalien.

digkeiten

6.3A

Gerat

mit

~tanen_

auf

STOP.

Strahlberekh

.auf

STOP

6.4.

Audio-Einstellungen

6.4.1. Testbander

Zur

Einpegefung

gabeverstilrk:er

ste!!anleitung

band

verwendet. Dessen Spez1f!kationen sind

nachfolgend festgehalten_

Bezugspege!

ovu

0

VU-20d8

Alie

NF-

Leiwngen vornehmen.

Aile

Messwerte

auf vol! ge6ffnete Regler

6.4.-11.

6.4~2.

Entmagnetisierung

Vor jeder Messnng

dem Band sind die TonkOpfe

gen

zu

entmagnetisieren!

6-2

B~nd

eini~qt~n.

Ta·Jte

VARY

SPEED

Go:!r<H

auf h•)her

st;;inen.

Z:ihli::1

on

Anzeig-e

an

Emste!!ung

Gera~

auf

Anzeige

mu:;:;

Die

Anze;ge

m1J:;:;

1ririt:rhaib 1 Hz

Kontrolle Bandendsehalter

eingelegtem Band

Bei

Tr.ansparentband

Durch

der

schalteri.

wird

das

= 25.7 nWb/m

und

HF-Messungon

an

!Osen.

!:lanU9esd1,,..,ind1gkeit

TP1

und

P5

;JrtSChl;essen.

Z8hter

m1.iS.s

an

R14.

kleine Bandgeschwmdigkeit

800

Hz

se;n_

b<:-•

l:>t?;deri

!ii?'tJ~n.

ocn.attet

Abheben

des

LED

muf>--S

das Gerat ebenfalis

de:r

Aufn3hme- und

in

der

nachfolgef"lden

REVOX-Testband

=

257

nWbim

mit

OUTPUT

(51)

LEVEL

oder

Eiastellung

und

iMasc.e-)

uuf

800

Hz

~m.

8.andg;;schwin-

auf

W1edergat>e

das.

Bandes

aus

W1c~je1·

ais

Bezu-gs·

OUTPUT

775mV

77.5mV

abgeschirmten

bez1E'heo

@)

mit

lauhm-

BJndfiJhrun·

6.3.3. Tape speed calibration

{gn::und)

Dreh-

- Seloct high tape

in

function PLAY.

-

800

Hz:.

out

must agam show

quency must

quency.

6.3.4. Checking

Lo;:id

Gerat

dem

Ein-

sith

!Fig

recorder with a
prepare a reel
trar.sparent

•n

function

recches

This

can

running

6,4. Audio adjustments

6.4.1. Calibration tapes

For

adjus.tin9 the

p!ifie1s

as

cahorntion tape (part
The

rP,CordOO

Reterence

ovu

-20

dB

Use

shielded

querJCy

measurements.

The signal

an?.

taken

G.~

-1)

fuily

6.4.2. Demagnetizing

Demagoetize tlie sound

prior to

anv

tt1pe

PtJWtH:_.!Jl'i'lt

;::,,C~::=~~·=~~~r~;::

. I "

·"-; -_-

1

1

ll~~b

Lmd

~!'.:corder

with

R;::lea:;e

Connect

on

the

The

readout on

If

necessary

Switch

At

!Joth

be

of

~ader

PLAY.

the

light gate,

a!so

b€:

tape

aw.ay

descr•bed

levers

!eve!

from 0 VU = 25.7 riWblrn 77,5 mV

c.ables

level:>

with

ft!()

op;:1n

adjustments

t.::ipi:::

push

hutton VARY

digital

counti;;r

SPB8d

contrul

board

spec,>(j

and start rec.order

the-

counter

adjust R14

recordei-

to

iow

800

1-iz_

tape

spe.;id$

within 1 Hz

the

simulated

reproducing

s.pe.::ified

th<:!

of

end-of-tape switch

short

section

tao:e

by sphcmg a

lrno

the

tape-.

When

the

transparent section

the

rruchine must STOP.

bv

trying

from the

l19ht

and

ner~un--Jer,

u::.e

no

46001)

are

as

fo!!ov.:s:

= 257 n\'Vb/m 775

for

all

audio

for

OUTPUT

control-;

LEVEL

htv1ds

and

or

nu:·dsurements

SPEED

trJ

TP1

ard

must

t.ai:;~

speed.

in·JJCatOO

the

nornimr

ot

tape

sectmo

Start

recorder

to

flft the

gate

rernrdm~1

the

REVOX

as

a

reter<:?nce.

OUTPUT

mV

and

high

@J

tape guides

with

11'/7

JlUijl1

1;fr:·~

_-;

,;

:~·

Fig.

6.3.-2

6.3.3. Reglage

P5

gran<:!B

-

TP1

show

read-

am·

fre-

et

de1nt~e

fre-

fre·

ao•t

pas

6.3.4. ContrO!e de

or

L'appareil

of

lecture. Sur

p.asse

du fayonnement

dolt

aja!ernent s'arrJ:ter.

6.4.

6.4.1. Bande etalon

Pour !';;tignement

gistri:;ment

.su1vre

band·~

sont

les su<vantes

Niveau
0 VU =

0 VU

-20

Toutes

cfible.s

bllndes.

T votes

(51)

au r$qlage

LEVEL

6.4.2. Demagnetisation

11

est tff!s

!es guides
mesure sur l'apparet1.

1

·~~

-~

··~SIGNAL

r-:i

-1~,·il

! I l

! !

i

j i I

-..:~

"=

...

:;

~.~

~

..

I

de

la

Mette;

Pou$Soir

Encienche1

v1tf'".!<S€

Branche-z

P5

le

R&J1age

C.ornmutez
le
BOOH'

La

dBpasser 1 Hz_

en

Reglages audio

!es

etalon REVOX

de

ks

les

Gi§)

de

vitesse

u ne ban de

VARY

SPEED

r'appar~;r

un

compteur

!masse)

d>:>

'a

plaqu>e'tte

compteur

d•:nt

par R14

i'app.areH

compteu! doit

di'f&renc.e

entre:

l'am!t

\:Hant

muni d'une

i'amorce

fonction STOP.

et

instructions de

reference

dB

mesures

valeurs

important

bande avant de poser

trnnsparente l'appareil

de

la diode LED. l'appared

des

amohfi::at&JtS d'enre-

de lecture, d

dont

257

nWblm 775

= 25.7 nWblm 77,5 mV

BF

et

HF

m.;;surees d !a

maxnnum

!fig. 6 4

-1).

de

dem[Jf}netiser

r.::-15cM

en

entre

!nd;quer

en

pl:!tite

€-;Ja!,;;;nl;'n!

!es

de-u;..

de fin de bande

bande.

En

eairtant

est

recommande de

regfage

et

les

se

font a raide

sortie OUT

des

potent~ometres

une

TACHOHEAD-

lecture,

!es

points

de

r8gufatitm

800

Hz

\/ite.s:;a

indiqu~r

k·itesses

ctemarrez

la

bande

d'utihser

spt':cifications

OUTPUT

mV

de

PU

!es

Mtes

et

bande

de

e.1

noe

e>1

!a

r

..

•

•

,.

11-~-

ii - -

Ii

!

~

!I

i:

i!

I

.fj

8

(.(~!!

(~

-------

f}

()

--

- -~ -

~~

·c

-----

ta

"

1!.j:;1~11r:-;:-Q

-----

I

STEREO

AUX AUX

cb

Fig.

6.4.-1

Sl.11~._,

Gi1,~1,Jlf•Ji.i-M.JynH1';:.;-rw19p:1

1

..

111

·iP,1~

G1.>1,~1<::.r~lic,p,:inr111r'\1,_J[·;·;!;1'ltj

F:•:q;w1ug..1r1;J. 1\11 dtJn

zu,_!i;rn bt·:

...

11.Jr.!~~1011[/~:

.'.LHi.i<.:Uii~•b;~n

6.4.3. KontroUe Eingang:sverstarker

8f:'dl~!HJn:;!~>eli::;rqr-;<ntu

•?m,telii:?n

t'.!F·M1!1r.r:.=itmer.::r

.;in·:~i;i;<Jssen

~,;

~

'~1~~::,':,~~o

vdtmerel""

Fur

d;ese Spannuqg

.:.a

20 rnV benot•gt

Anmerkung:

D.:.;,-

Pt?:~E'lvn!ti

•)_ 5 dB

tr:elJ;:¥!-e-ri.5<:,hai;;:;r-;

:'R._-'9fBr

NF-Gene-r.~tor

b"cm-.;;g~n

an

~~~:;!

ein>:!

'~::'~;

S,c-,__:mr1uflg

von 0,77!) V

w1re,1

t'"in

,';h,,;,~!

am

[}~!

ai!en

MO>nTOP

L

!

(/

<.~,~

C) /(;.:::.:\\ I

!

}""

...

\z

Ii

Ii

;=:

~

~

\·t~

,,_hi•?<.h

·:;1r<)r;g

DC

·HirJ

8>:·zuy:.lv1r1d1.:(r'

ridCil F:g 6 4 - i

.m

.1~n~e11!u;.:;.

c~"~,:'~~,~~1~

Ernganqsp'2£!•?!

,'.:..u5g¥1g '10li

Po:,~tynen

d•JP

kt~1111pr,

AUX

J!l.j.

sr:ic~~Eits

1

~.1u8t«:v

•!e>teiH

·.r•Jfl

'11ox_

B.:,-

.,ntd

audio vo!tmetBr. The

r~ad

Note:

not

Di

d--:;·:

rf«.i~.;r:r·t:1.'-'!v;n

;,f

th!: ·,1,pid!

;,;

;r;-:,pr.;r;,..,,

01'1nl:1r1r:nr.iy

6.4.3. Gain

/-l.tJju~t

6.A.-1

Cr;nrif.'::.1 sudio

AUX l NPUT

<:

.J

r•O:r¥Jtrt>]

:i.'O

rn\/

nrJi'>.:O

'.h

!i(:f0::rt;>1

dJ'f•CJOJ•?rj

of

input amplifier

~f1<'.'r.at1nq

..

f 1000

H,:-

;:/

0

775 V is

re.:p.;;r.:;d

a;:mro~·

of

H°l>J

r:'.xi.::;·

·:1:.-fori?llC-:!

----~ii

CJ

/::::::::::\

·

\(

I~

9

:;::=:::\

\ ;

-.

-·

)ji

!~

))

~'.;

~-

- . ,

:-!L-!'_C'_~-'

....

---~---->

·--

--

CJU'.>o?·,;,

=:i,-'t,:>r;r.J1Jt1t.H;

1;1t; •

.;

arid

fu~'.U"-:n:;,

;_,.:

t.JQ-:!'.>

rn.l'.-

(!.:>nt:rols

~1:.>

:c

OUT

to

fepd

:Jbtcrne=:f

input

i~vrJf

se!ector

,n Out.nut

/,}·,'!;•!

..

- I !

!

___

!_'C_i_C_._;;i

1

I

I

'·1

---

! i

i'

:::i

~·

D::'

f1.)rh)5 :;;r.ltF_!

r·,;uvent

f·,.;,cr_,r·..-,r~

r:E.•<

f19

PUT

the

on

the

Sh)t.dd

tfdON!~

rn!lSt

rJ,iqr,1fJ.-.-1 ..

f.:nd

t>i

:J:"

fact:f

p.~rt1ei1~nwnr

6.4.3.

ContrOJe

Ette<'U•:.'"

b4-1

Branche~·

OUTPUT

U\.Nt>rt

au

rnilljvoltrnf:tr~

a

e-t)\'ffQi1

20

Remarque:

La

d<ffere-nce

Jes

positrons

•}tr<:!

du

de·

O,S

d5

i

:·~I

!'.,~

i

i

I

$

$

=Jn·:,

m;i:Jndi·~wr:;

J:,J<t.f:';

!a

·~<:'-:;:!;>"

<fo

rAf;'";::~..-::

h~

t:..;1n.Q,,_;·;

de

J'amplificateur d'entree

!:;i5

'~<)mrr1utcdiQ'"1~

un

rn1ril·:::.=;irn•.:'1rr_;

51

{;::ote~.r,:-,n..,_,~r-:::::

:JU

rnal\).

~~0ne1ate

RE-gh::.z

de

fa.;on a

BF

LE·

.

,j,:; li1wat.: a

s-?!'9cteur

au

r0.d\H'l"1ln;,

rw;~rtu

L:i

MO!<

m\I

C'-"''

~ii,;;.H.);;

d0L'

~~;

i:._i.i.:!•,

"'tc>k1n

so;-k;r

:;·r-:

u:-

ii

BF

.~u·

"'""

:B-

'J'~n8t

a!<i~.;r

Ob!0'l!(

C")

d'.:ntrf--:

·s\

:::xr,i:-.

p(

JI

t,.

TOR

, I /

Fig.

6.4.-2

6.4-4. Kontrolle

·v•n \

i;J•})

".fM·:r•--

,.:;.;:,

-F:

'} ~ L ! -

STEREO

Eing.ang~mi:schung

kanaliger Einspe1sung

t_l

..

.;:1ienw1:~c.,,f,_·1h__:::t-!

CH1~;r,:.lft·1'

;..,1;=.c,:r11't

,i.,.

.n;f

n.

i~

.nn ,·Jt·;

1'.1U>:

ul>

!f\JPt.!"1

\-!.,;

:JI";' il•·tti

:\u·;,;.u1t1l

.4u

HL.

dilu·.-.

,.,

..

,.:;,_.;;,•1,·!_i

i

r;,;._-!,

\

AUX

bei em-

Fi,;

b J

-?

P,·~r·c!

:_·,t'

lt~·i

t:~,

.J,.

.dul[:I

·.,i;

;.:,;

.,

AUX $

6-4.4_ Testing

channel feed

A!1us:

H·t

,.'.\1Jd1L1

~•':it

;

10-,)L1

H~·

p,,.,

tt".i

!0

,,\Ux

''·.,1h:'

!}

\:'l!

s~,,11,11

On,~

the

mixing fa.cihty with a single

<1p.,:ira!u;,._i

,

-2

<'::'

9t·iw!

~)

'.'1,_·;,l

,m~rcib

..

ltur

,-..ip.i.~!\''J

1

77

)

\!

,,,;;:i:H

iNPU 1

;_,i.~·_.

;.,

wH

n;u,J

\·li

.1~:

p,_,,

?1,;

.b

pi··-.

i(·..,,

1i .;rid

1

tk·li'

\;"\._;

'!

:'k'i

..

,

·r

HfC

.,

'·

r~;.·r,·1

,:

:]1····'·

6.4.4. Contr61e du melange des entrees a

liF

•

'i.s'l•

<1;,j1;,

{ir'tl)(i

·ue.

f,,.,

registrement

tii..;1

G4

Lih":>•·:

11

-2

H..-

,m.,_

"1!•'f/:'"

,1.·p•· n

;i.it'l

'~ult\·~

d'un

seul canal

i~.,

..._•n1n1u;.;t

k-

··:,>;,,,~

1;1\1\l·'

.-:!

;1

\:

.~U\

Hd:.;q,·n'

l\F'l_:T

\)

.t·1t•<.,.;,,,,,,\,

('.:N

,_;n-.::

:~d\··"

,11,

'1"'!•"'

l•-·'

re

it·

"i.

r-

·-

i'

11------

1

§.

iQ!

Fig.

6.4.-3

LEFT .:iuf An:,chk.q

­RIGHT auf t,psch!.ag
Metei

ze1gt

OFF.

Be;de

6.4.5. VU·Meter-Eichung

11000 Hz.

5.4.-41 !inkes ond

e1chen

1(

'g

1Q;

STEREO

E1ngd11g:.-Pe~1•~lr!j<Ji<:'l

E1ngangspegeiregler

0 VU.

Aufnahrn~vorw

VU-Meri-:r

Bed!€nurl!JSt:.!\e-ment.;;-

einstei!en.

N F-GeMratOr" 1ffifl>i:;!f"

0.775 V .am

Mit

Reg!em METER c;..L. L + R \Fig.

r-

'-/

r-,

.\1.

iNPUT

··o

..

!'-~PUT

..

1ff'

N:.ir

.

.Jh!y;h.;i!

tt-r

.::eigen

0 'JU

n;,ch

l'H)(h

Aof.gJ!'"l<J'-

r~hti:ts

VU·J\·mte-r

_i

((~)

LEVEL.

LEVEL.

rc-c:htes

REC-

f=,g.

g1-e=ct"1-er

auf 0

-r--,-o

MfT"E!I

!

CAL

j

'

®'

@·

Fig.

6.4.-4

6.4.6. Kontrolle Obersteuerungsanzei-ge

Wird der

Pege!

um

rnehr

als 6 dB

mltsSen

die

den

der
nlcht

S1linde

ker 1_i77

Sei

EinsteHpotent1orneter R30.

6.4.7. Frequenzgang.Kontrolle "Vor Band ..

lt·JPUT

Ubersteueru~·Anzeigelampen

VU·tiAetern

auf!.eucht•:m_

Ansprechschwe!len beiller Lamper: dart

grosser

a!s

0.5

dB

zu

and~rn

seir..

Tole-ranz

Bei

gr&serer

R37 bzw. R34 auf

2GO

neuerer AusfUhrung sind

8ehl;~n,mgse!f.iri.,~nt;,:

i:-:n~•te!len.

:Jnc,chliBYS.(:f!

erhoht. so

Der

Unt•3-rs..;:h1ed

s•nd

J1e

dern

~\on1torv-erst.3r·

834/R37

R38

.::•.-g.=inzt

·Nurtk·n.

n¥h

F1q

.l,11:;chl:f.~·

cc:~)

q-'

~··

"'

("\\

\vi

·1

AUX

VU·

L auf

6.4

-3

Pr<goai

VU

'

Cul

I'

~,)1--1

y'"

AUX

Turn potentiometer fNPIJT

LEFT

fully

- Turn poteflt1ometer iNPUT
RIGHT

the

- Switch record prewie{;tor REC L

posif1on OFF. Both VU-meti}r:; md1i:at(; 0

6.4.5. VU-meter calibration

level

pui)

L + R Uig.

on

counterc:lockw1se

fully

c~ockwise

right·hand VU-meter

Se-t

opprating controls

Audt0

generator still

and

freqi.ier.cv ('!000

Adjust Poteritiorneters

6.4.-4)

the

respective

•O

6.4.6. Checking

VVhen

the owrload indicators

1n

become il1urnlnatecL ThB difference in

level be[ween the two indicators must

c:e~J

Wid~r

values

the m • .)nitor arnphfier

011

dutch

6 rl_-3

AU>'.

11<mer

pJ3,~ff:l

6.4.7. frequency response "before

INPl.m

the

rais.ing the signal level

0.5d8.

When

e)("ceeding

of

r~1stors

wrsions,

l;y

.1dd1!1dn~1I

':>t'!

•)p»1:Hin9

audio qene1at•1r
audio n11J!i·,;,;Hmeh:r !n OU r

~--

1i1

'['

L;

to position

will

mad 0

Hz,

to

obtam

VU-meter

overload indicators

by

1n

the

this tolerance.

R37

or

R34 respectively in

1.177260

re~'i:~to1s

tnmputs

(1J11U•:i!~

..

· 1

r.:.,=r~'I

dt

lti_,il

!i

LEVEL

to

P•'.i:.1t•on

··a-·

LEVEL

..

10"_ On!y

VU

to

VU

as

per hg 6.4

METER

VU

R38

tape

!)t"f

t19

!·~

t;n!h

Von

deflection

than 6 dB,

-3

to

same

m.it·

CAL

rnust

tri~ring

not

ex·

alter

the

dre re

..

6

4_~·3

.\UX

adi•J:i-ted

0.775

a 0

more

VU-!11etBrs

R34iR37

fLY),

b

. I

:

~!:

_·.,..

r~:.-·:·'·

F.·.~i~

·(~-i:

'i~:i:~

i•1:~

$-

~

Tournez

le

INPUT LEVEL

Tournez

PUT

LEVEL

metrn

dro!t

Commutet

m.':!nt

REC-L

mdiquent 0

6.4.5. Etalonnage des VU-metres

Etfectui:iz

5.4

Laissez

ni!rateur BF

A l"aido des

R (fig.

6A-4J

VU·m8:trt!S

6.4.6. ContrOle des indtcateurs

surmodulation

En

augrnentant

de

surmodufation

entrn

1€5

seui!s d'al!umai,:iti

0.5dB

Un

changeant !es va!.eurs des: rCsistances R37

R34 dt! r.Jrnplificatetir

Pour

1-t"'!s

nouv-ell+3S

et R37 sont

YOndbl~;;.

;.uap:.~'t.!n1~1rt.wt":>

6.4.7. ContrOle

canaux

Ef!ectui:Jz

(>.d-~

potentmrnBtF.:!

LEFT'"'

"O"

le

potientiomeue d'entrE!e

RIGHT

•ur

md1que 0 vu.

!-e

ptf5.efi::cteur d'enregtstr.;i.

sur

OFF

VU

-3.

(100Cl

sur 0

trop

Les

!es:

cc)n'\mutations

encore

!e

rni§me

Hl

et

0.775

reglages

gauche et choit.

dB

de

6 dB le nlveau,

do1vent s"allumer

ne

grand ei:art

mornteur

w.-rs1ons,

rempinceP-S

R30

de

la

courbe

d'ootr~

h·s

~~nrnrr.utd!!•..111::.

w1

11.~w!r.Jtr:m

Ull

m!ifr;•"Jlln01H'

d'entt~

..

10"

Seu!

deu1<

VU-~tres

se!on

rw.e.au

Va

fJ

S()rt1e~

METER CAL. L +

~ta!oonez

de

I-es

indicateurs

do-it

rias

dE-passer

peut

0tr+?

reduit

i

.177

260.

IRS

resistances R34

our

dt~s

ri2~1stanc1;5

H.38

de

n?p.Jnse des

~t•k1H

t~F

c--.1.1-..

e-ntd·e<>

.:1

l.i

lN·

!o

VU,

!a

fig

du

g&..

l.es

---

L'ecart

en

OU

la

!1y

S()lfh"~

..

•

•

•

•

•

•

•

>

- Betriebs.:Jrtenschalter

Stellun9 MONO.

-

OUTPUT L + R parallel

a!!!

(

einsteHen.

•

-

,,-----

1;

jl

l--~~~~--~~~~~~~~~~·-~-,;1

I

i

()

I

~'

(Q

I

Fig.

6.4.-5

durdtHimmen.

g..1ng·A.bwBichungen

-1

dB.

+ R vornehmen.

6.4.8. Spaltjustierung Wiedergabekopf, grob

Kontrolle:

Der Spait muss

liegen.

- Schleifspiege! mit

rncht markieren

Band

laufen

der dur::-h das

,_

~Testband

Spaltjustierteil {10 kHz) vorspulen.

- NF-Miliivo!tmeter

OUTPUT L

- .

Wiederg~~sto;i-

Justterschrnube ~ auf Aus.gangsspannu;qs·

fo.-.-iaximum

6.4.9. Spaltjustierung Wiedergabekopf, fein

\

FUr

die Spaltjustierung

ist es unbedingt erforderlich.

stellung mit

zuerst vorgenommen wird,

g(f

mit

NF-Miil!voltmeter

Testband

Wiedergabe

P)

auf

1:.:::;)'i·

•

\:=.::/)

~

....

©

_,..

'"

••

·-t--·

I

STEREO

Generator von 30 Hz bis

Am

Mif!~vo/tmeter

abie5en.

Frequ-enlgang-Kontro11e

(Pei3e!rr1aximum.l

in

der

Mitte

P.inem

und

an5>::h!icssend

!assen.

Der

Spaft

Band

po!ierten Stene hegen.

Broienungseiemente nach Fig.

einsteHen.

_ 19--cm/s

nach

vermiOOen

ansch!1essen.

auf

Spa!tjustie-rterl

und

an.

PLAY

der

damit

an

mit

ansch!iessen.

einstcllen.

Phaoonmethode)

Pegelma:~imum·Abglekh

Sich03rhe1t

:>~arti:m

Ausgangsspannungs·M:iximum (sch.:irf)

0

•

-~

••

··~

20

Frequenz~

Tolerunz. + 0

an

OUTPUT L

des

Sch[ejfspiege!s

Fettst1ft waag·

l:..urz

muss

fn

der Mitte

auf!egen-und

Ausgang

drOcken und

Phasenmethode

dass

die Spaltein·

Phasenfeh!er

werden.

MONITOR

Aus.gang

(iO

Justier.schrJube

,;--\

(k_))·

.·,._

-.~

0 (Q

000

6.4.-5

f6.4.8.J

/---;,_ 0 !

(~

)j

.......

:-·

••

, ~-:.::..:...

··1r'.'''\i

,,_":""~

Hz

20

dBi

obser-1ing

voltmeter. PBrmissib!e

6.4.8. Reproducing head azimuth,

Double check:

Check

centered inside the

ein

on
then

polished area.

to

.avf"

---·-

,.-...,

PUTL

\2.V

7

an

{10

-

output

6.4.9. Reproducing head azimuth, fine adjust·

\Nhen

tr;:ient

azimuth

(section 6.4.8 l so as to avoid

a

phase

auf

- Switch mode seiector

sition MONO

@

cutouts

kHLl

- Load recorder

7

1/2

(10

nounced

tained

·,

'.;,~

§'

• .

l'::J

'~·-

\;-::::--'/

7-,

JOICi/CJ/UIOICJi

·•"

«•

•P

-

Swe-i:?p

000

the

check

bring

--Connect·oudio·

1/2

k:H:z:l

of

ips

kHz)

generator

Hz and check frequency response

the

level ¥ariation

Check

frequcn·~V

L+

R.

justment

{Lewi

10

ma;:e sure

"•Vi:tar

With

grease

pencil

h;;:.ad

face. run tape for

potition

If

necessary

gao

into center

Set operating

(§

Load recorder

ip:; and

run

azimuth

by pressing

Rotate

voita-;ie -

ment

usin-;i

the

error in

Conn~ct

OUTPUT

button

sere\-..

! Phase check method)

the

phase check method for

head azimuth. it

is

first

adjusted

exce$$

audio millivoltmeter

L + R

and

run azimuth

-wvhiie

rotating scrnw (P)

m..~:o:m1um

in

of

controls

(P)

of

with

OU1put

n

!!

30

aucl10

0/-1

on

coarse

head.

in'Side

that

maximum

to

51?t.t1un

until

OUTPUT

seconds,

pos1ti·on

is.

11

·•

. i [

i I

_u

Hz

to

by

de

mini·

oive-:iu

dB.

-1

dB

sorties OUTPUT L + R

ad~

6.4.8. Prereglage

ContrfJte:

:s

l'i:intre-fer

tact

piste

m~

que!q:;es instants. ContrOlez que !'entre. ief

trnuve b!en

-5

OUT:- ,

Partie

s~tion

OUTPUT l

- Appu;;ez sur la touche

!e

niveau de sortie

r8g!agett_)

6.4.9.

a1:gn·

the

ment n€cessaire de oroceder av regiage

p.r&c:M.;int

to

pu

both

sorties

t..ipt-

n\i!age

J nio·

!JlaWJ

0L>·

ie signal

"' . •"

from

on

the

tolerance+

re---"P()nse

maximum}

that

t!!e head gap

patter

on

the

ma\::e

honzontal mark

SI:!\~!dl

the head gap

adju~t

head

of

~'lt'ear

are.a.

as

per fig" 6 4

rni!livoltmt3ter~w·

with

cahbrati.:m tape

.adjusting

PLAY

to

obt2nn max rrnurn

is

essentiar

for

!eve!

the

possibiiity of

9Cf.

MONITOR

(_@

in parallel.

cahbratron

odb_i9in'.]

-;,)11.Jgf.:!

r -·

\j

i!

r~~

. • , I

~

:~p

_i~~

I

$

4__,

Faites varier

30 J 20

au

ContrOlez b

lecture (Niveau

de

!a

Fattes

avec

Effectuez

6.4.-5.

Pia""cez"ia-bande

rriSBrv€-e

Raccordez

,.....

Regfage

lecture (M!?thode

Pour effectuer ce r€glage,

$~18.::teur

MONO

Brand1(!l un n:!llivvltm€tre SF au

(~D

Passez

ch:-

tm

\tres

cle

ia

fr.§«:1uence

000

H1

Ett

m1ll1voltm€:!ie-

doit

bande.

un

centre

(51).

(6.4.8.} pour eviter

OUTPUT

1'.:r.nmut

sortie

contrO!ez les

Wurt;..:;

de

l'azimut de

maximum)

.3tre

centr~

~Jn

trnit horizontal sur (f";aq

crayon

gras,

sur

IB:i-

parties

les

commutations

•}tdiol1-de

ii

!'azimut ! 10

un

voltm6tre g;: a

maximum~

fin

de

l'azimut

de-£.

MONITOR

Let

en k;(.turt:>

iJ

{10

kHzl

puintu)

avt'C

mil.1i.lm

•.

Hn

du

g4n6m-1•

To!f-wnc~.

de:

r.§ponse

la

sur

!d

surt.ace

ouis

passe.z:

unt?

etf~s

sei-or)

19

Cm's~ur

kHz)

PLAY

et

!'a!de

d~

de

la

phas-es)

:1

~t

urte

errt1ut

en

R

pai

tie de:;tirit:'!!

1..?!

~!ectLii'::

1<1

f'!c;1r!:;

+O(,

;;

tll1e

d>?

·c>.

bffi:,

i::A

i

la

so!"::

a.Just

:a

>:!S·

tete <

ab~~

di~r:.r

dE-90

~<..~.wic

~

;\:'

..

6-4

-

G-:·

~

(=)

""

•

(i¢;~

· ()

,,,.

."".,

\(_JJ

11:-J_iQ~

(~\

.

\~i·

g_:~

(~

. Q I

:':~~::

- : '":

.•

~1)

. .

_.

1

,. · .··

-~;tZ

IDir

::·

...

'.

f1iOir)i

I ,

STEREO

Fig.6.4.-6

6.4.10.

Wi<dergabe-Pegel

(REVOX·Testband Art.

ii:

Bedienungse!emente nach

einstellen.

- NF·Millivoltmeter
PUT

L @ anschliessen

Testband

vorspulen.

Ger.at
Mit

dem

6.4.-71 eine Ausgangsswnnung

einstellen.

- NF·Mil!ivo!tmeter

R

anschliessen.

-

Mit

dem

Ausgaogsspannung

ab Testband

an

(1

auf

P.ageltonteil (257 nWb/mi

auf

W1edergabe

Regler

REPR

an

R~ler

REPR

voo

0.775 V einstellen.

Nr.

4600il

Fig.

Ausgang

V·Berek;h).

starten.

LEVEL

von

Ausgang

LEVEL

6A.-6

OUT·

L i

F;g.

0.775 V

OUTPUT

R eine

6.4.10. Reference level from calibration

(REVOX test tape

Set operating controls

Connect

range)

to

OUTPUT L @ .

-

Search

on

the

calibrahon

pressing the button

-

Ad1ust

6.4.-7)

to

obtain

Connect audio mil!ivoltmeter to

PUT

R.

Adjust trimpot

tain

an

output

au..1io

for

trimpot

an

level

referenc-e

tape

PLAY.

output

of 0.775

no

millivoltmeter

and run that section

REPR

REPR

450011

as

levei

level

V.

per

LEVEL

of

LEVEL

tape

fig.

257 nWb/m

0_775

R to ob·

L.

ME~Ell

""

O•
O•

Fig.6.4.-7

6.4.11. Frequenzgang·Kontrotte. Wiedergabe

(ab Testbandi

Bedienungse!emente nach

einstellen.

Testband auf den FrequenzgangteH

souien.

NF-MillivoUmeter an

OUTPUT L + R ansch!iessen.

- Gerat auf

Frequenzg-ang

liereri.

rnessen

MONITOR

Wiedergabe

bezogen auf

Es

k.Onnen

gf.elchzeitig

werden. indem der Betriebsartenschalter

umgeschaltet wi'd

6-6

·•

Fig.

6.4.-6

Ausgang

starteo und den

l()C()

Hz

kontrol~

beide

Kanate

IURl.

6.4.11. Reproducing system frequency response

(measured with calibration tape)

Set operating controls as per fig

vor-

@

ge-

Search for

quency response section on

- Connect audio miliivoltmeter to OUT-

PUT

L + R

Start recorder in PLAY

quency response relative

The frequency response of both dlan-

nels may be

the

setting of the MONITOR

between the positions LEFT and

the

@)

in

parallel.

checked

in one run by alternating

beginning of the fre-

to

the

calibration tape.

and

measure

1000

Hz.

mode

RIGHT.

11

_ l i

111

;;iiJ1

II

~~~II

~

6.4.10.

Niveau
lltalon

(&lode etalon

6.4.-6.

(1

L

(fig

V.

OUT-

6.4.-6.

fre-

selector

V

by

Effoctuel.

6.4.-6.

Raccordez

sortie

OUTPUT

- Bobinez ia baode etalon jusqu'a

niveau

de reterBnce (257 nlllb/m).

oemarrez:

A !'aide du mglage

6.4.-7L

ajustez

-

Raccordez

sortie OUTPUT

A !'aide du

ajustez

la

tension de sortie a 0,775

6.4.11.

Coorb<!

(d'apres
Effectuez

6.4.-6.

Bobinez

courbe de reponse,

-

Raccordez

sortie @ OUTPUT L + R

- Oemarrez en lecture
courbe de

reponse

Hz

Les

deux canaux peuvent

en une fois en commutant
de reproduction

_::;:(¢\::

~;~

{~~:

!

(91~~

G>

de

reference cfapres

REVOX

commutations

un

millivoltmetre

(echelle

lecture.

REPR

le

millivoltm?!tre

reglage

REPR

en

lecture

commutations

E<ta!on

un

mil!ivoltm6tre

le

selecteur

(URL

Art. Nr. 45001)

1

V).

LEVELL (fig.

jusqu'a

et

au

!-es

L @

en

ia

tension de sortie a 0,775

R.

de reponse

la

bande etalon)

\-es

la

bande

par rapport

MONITOR

la

bande

seton

!a

fig.

BF a la

la

partie

BF a la

LEVEL

v"

selon

la

fig.

la

partie

BF a la

contrOiez ia

niveau a 1000

~tre

mesor9s

du

mode

V.

R.

-

-

-

--

-

-

-

-

-

-

I

~

i s

"'

t

l

I,

_____

ii

,~)

I g

I

~.

\<j)

Fig.

6.4.-8

6-4.12. H F·Spannungen und frequenz kontrol·

lieren

&.:dtenun9~~!Bm~nte

einstel!en

U.!en:s

auf Aufnahme

L6schkupfspannung·

LO;,chkopfspanourig am LOss:hkopf

Vo!tmeter

Richtwert: 30 V ... 32 V AC

Q5zi[l.::itorf1equenz·

Osl!llatorf1equenz mit Oigital·Z3h!er

oder Oszi!foskop am L6sdikopt
Die Frequenz
Aufzeichnung

&:hwingungen/100
8e1

·..-on

justie1en. OsziHator ist
fangerun-JS.·Steckkarte 1 177.241 .:iut·

z:

..

mecken.

6.4.13. H F·Sperricreise Aufnahme

8,.,,drenungse!em:.>nte

e··nstellen

d~.

iew-e~ligen

iFig 6.4.-91. siehe auch Scha1tb1ld 1.177 230

Lei:res Sand aut!e:gen

Aufnahme schalten.

M't

Sp.annungsmin~mum

6.4.-10.

I

,J

I <

_

•

·~

iQi

Band

~tarten.

mes.wr.

Freq..,r~nzabweichung,

Tl

auf Oszil!ator·Steckkarte,

Autnahmekanals

Reglern

i,

h_'l

n;:Jch

REVOX

631

b<?:tra!)t

1

50

am

Oszinoskop·

µs

nad1

BIAS

TRAP L und R auf

einste!fen (

<:

-

'

(~~<n

<::::;.·

ij

Fig.

6.4

-8

auf!egen

und

mit

rness.;;n

kHz

:t

5 kHz

15

mit

Regelstif.t

na-ch-

d.:sb~i

auf

Ver-

Fig 6 4.-8

und

GerJt

auf

350

m V)

F!>J

Ci

~I

6.4.12. Checkinq oscillator frequency and

voltages

S<-:t

op~

<1t•n9

o:;ntf·)i·~

;:i:,

~~

h-'J

b 4

L":-:KI

recorder

w•th

bi~1nk

tdp-e

631i

Jflr1:J.tart1fl

tht!

Erase

vo!tag~·

Use

RF-vo!tagJO>

approx

Os.ciliator frequency

-

~./~asure

e-r.:ise

he.ad

must

rearJ

wlth

an

:):;.;i!loscope. the d

15 cycles on the 100

-

If

above limits,

!ator board. For !his adjustment, the ex.tension

l}-:wd 1.177.241

acce:m

to tht! coil

6.4.13

..

AtJjustment of bias trap in recording am-

plifier

Se

CG"1nect

(~)

ot

6.4.-9i

Load

m the r8(ord1ng

- Adjust

to

obtain o m1nirnum voltage inchcJt1on

1<:3i30 n:Vi,

recorchng mode

elP..:tronk.

v111tmeter

on the

erase

hBttd:

va!ui:-·

30

V .

the oscillator fre;.;uency on the

with a digital c :;uriter. The

150 kHz ± 5

the frequenc•,- dev:.3tes

op>-?:

the respective rt?cDrding channel Uig

Refer to circuit

kHz

•splay

w,,;_;(

tir'l"lf!

adjr..1st

the

:;lug

1s

requ~red

dting

i::ontf

rn1l1ivoltrn~ter

:j:a.Jrarn

reco1der

w;m

mode.

thE'

cont10i$

f~

6.4.-10

!REVOX

to

m8a~.1;re

32

V

frer..iue1Kv

When

rnea'O>.iring

must ::omist

base.

bey>:Jnd

ir;

Tl

on

tiii::·

in

order

tc

,)!s.

as

P~f

fig

6.4

t:)

tht-:

t.;i-:;t

1 177.230

t..wnk

t.ape

and .stJrt

BIAS TRAP L + R

o-xti-

gatn

ov;nt

6.4.12. ContrOle de

RF-

-8

the

ot

the

-8.

quence

Eff~h1~z

6.4.-8.

Piacet

df-m.:irrez tjn

1.:ins1on d"effacement

Mosurez

tett: d'effacement

Valeur

Frer~u-eoce

Effe(.tuez

gist;eme-nt

un

150 kHz ± 5

doit obtenir 15

Une

a

osciHattJUf

fichffi sur

1.177.241.

6.4.13. Circuit rejecteur HF d'eoregistrement

Ehxtuez

6.4.-8

~~en~~~~:::~i~:

1177.230.

Pl~Kez

eruegistrement.

R~!Bz

mum

de

tension!<

la

tension

HF

et

de la 1

ie:;

::ornrnut:~t·'.Jris

:;n&

bande

emt:.'!Jistrement

la

tQnsion.

appror.:hee

d~

1'rJscillateur

!a

mesure st,r

:3V"!G

0$Gdlos.-::orc.

kHz.

d8'.1j;_Hion

raide

de

du

noyau

.

.-::ui

la

pl~~uett.?

!es

commuta!rvns se;on

S>?k.:n

t1

vteig~

REVO~·'.

0'.::11

d'eqa.cement

::;o

un

COP'"!Ct~UI

La

Sur

a!t~n•anc:~

!.:t

tre:::.;.;;in.:;e

de

nour

sur

..

32 V .D.C.

!a

t.§t.;, d't;r

j\g;tol

tri!!quenc:;

es.~

rosc1Hvscoo1-o'

oar 100

se

;:0n

T 1

d8

1-3

plaQ'J~

te

ti::q!aqe

5ff;]

de-

pr~Jlor,~e-.t

!.}

,~~::~:~:~:;~~~::.;~:

une bande

v1er9~

::.t

dMu:

·>?.:

les

BIAS

TRAP

Let

R

.~u

t19.

0.4.-

n'

W

3!)0 mV).

ro::,.

~'

;~~$.FiA3~r~r:

-v"'.

.

:I

•.

=t:::

:::::t:::

~--~-.

Fig.

g,"'

:.-:,~nn!r;;]

¥l~il~f

6.4.-9

~

'.f~~f~\:;-m:

.-;...

• • L

1

-

·G~~-+-,,,]

.i.

: • •
.i.

.i.

!_

• I

,J

lo::.~

l

c!>H

'IO""

:o::-:..

-,,

\J.

CJ';:.,,,

I

A!

(=)

fQ

I

Fig.

6.4.-10

~)

'"

,···'\

•W

\.

/""

·'

\...)

:1:~.,

....

i..)

·~·

rr ·------i

I I

i .

_.,

I

I

(

-J

•

I

: I --.,".

11

tJ_

...

fJ

·

! ! (fj

LI_······-

Fig.6.4.-11

6.4.14. Spaltjusti<rung Aufnahmekopf, grob

-

OUTPUT

-

INPUT

Lee-res

aut Aufnahme star1en.

stellen. dass sich am

77,5

mV einstellt.

-

M~t

P-ege-Jmaximum

beochten, deshalb besonders langsam eins.tel!en

;;:.;.~

(Qi

\~rij

....... I . •

I I I

STEREO

(Pegelmaximurni

Bcdicnungselern&nt~

einstetlen.

Nf·Millivd!tmm!'ir

anschliessen.

NF·Gen~rator

(:.aralle!

Ban<l

Just1erschraub~

an

8!:f>:!'ich

.an

Anschluss @ AUX

ansch!1~~n.

( REVOX 631}

Generatorp~f

Ausgang

@

einstel!w.

Anzeige·.,..erzo~ung

. ,

6.4.15.Spaltjusti<lrung Aufnahmokopl, fein

(Phasenmethode)

Um

Messfehler,

dte durch

>

90"9'

entsteh~n

unbedingt erfo.rdefltcf't
Pegelmaximum-Methode (6.4. 14.l voczu-

nehrnoo.

- Betnebsartenscha!ter t-..10NtTOR

Stelluf!J MONO.

- NF-Mil!ivoltrneter

OUTPUT

anschliessen_

- NF-Generator

INPUT

parallel ansch!iessen. Frequenz:

10

kHz/

Spannung. 0

-

Leeres

und auf Aufnahme starten

-

die Ausgangsspannung auf Maximum lsc:harfl
einsteUen.

Band (REVOX 631) auftegen

Mit

Justierschraooe@

kOnn-ten,

doe

an

VU

Phasenverschi<.:!bung

zu

Spaftjustierung nach

an

Anschiuss

-20

eine

- - -

u·,

/~'

._

\(~)

~

.-:~:;;.

c

~»

..

AUX

n.ach

Fig

6.4.-11

Ausgan-:;i

100 mV.

Frequem:: 10 kHz.

einls:!gen

so ver·

Spannung vun

(F19.

6-4.-12)

vermeiden,

Ausgang

@_)

dB.

(Fig.

6.4-121

,,..~'\

((JJ

.:~~:::

\a

"t

-i::

......

AUX

6.4.14.

Recording

ment

Set operating controls

6.4.-11.

Connect audto m1!livoltm0ter

PUT

51

Connect audio generator m

AUX

lNPUTs

10kHz.

Load

631

)

and

generator

77.5mV.

Rotate screw @ !ftg 6.4 -121 to ob·

tain

max!mum

time

tag

before

record

heed

meter,

scre'ov

6.4.15.

Recording

(Phase

In

order

to

in

excess

adjustment as described under

first

completed.

-

Turn

tion

MONO.

- Connect audio mi!Hvo!trneter

sockets OUTPUT @

-

Connect

PUTs

@ ln parallel Select frequency

10

kHz

and adjust

OVU.

- Load recorder with. blank tape

631)

antf $tart

- Adjust

sharply rismg, well

voaage

is

obtained.

und

ist

auf

(51)

..._,

AUX

@

es

..

{' '· · 1

'.:'

!

.~...

? .

"·,

()

iDuluiDdD

head azimutfl coarse adjust-

\Level ma)(imum)

and select 100

@.

recorder with blan;; tape iR

start

:n the rt?cording

level

to

obtain an

output

the

effects

azimuth will

@should

head

check

method)

avoid

the

pos:sibliity

of

90".

it

is

essential

mode selector

audio

to a level

1n

the recording mode

screw@

defined

....

. ·

mV

Select frequency

leveL Because

be

azimuth

in

para!leL

generator

(fig. 6-4.-121 untii a

··~

·

··

.,

as

range

mode_

output

of

&l1V

a!t.erat1on

be

shown on

rotatro

very

fine

of

phase

that

the azimuth

section

MONITOR

to

of

20

maximum

,

· · ,

pe:""

fig

to

OUT-

parali~!

to

oi

EVOX

Ad!ust

reading

of

ther-9

is

a

in

the

sfowtv.

adjustment

errors

6.4

14

i5

to

posi·

to

L---oth

AUX !N-

of

dB

below

(REVOX

in

ou~oot

'!

•,:·

I

..

:·~)·'.!

--

i

'

I i

·~H--e

•.

~,~~:

~~z,

:

-TT

6.4.14.

Prertlglage de l'ozimut de la

registrement {

Effoctu>3'z

6.4

Bran-:hez

,;~·.

sorhe ~V OUTPUT. Echel!e 100

-

..-...

Raccordez le

(48)

AUX

0175

Va

P!acez

et demarrez

- Ajustez

a

obten!r

a

- Toumez

6.4.-121

mum.

Touroez

compti;

du

6.4.15. Reglage fin

registrement

Pour ettectuer

rrmnt

n.Scessafre

precOOant

00°.

S€!!ecteur

8ranchez

sortie

(51)

-

Ra.ccOfdez

~)

AUX

OVU-20dB.

Placez

et

di3mafrei en enreg1strement.

Effectu~z

avoc

la

vis@oo\J<

max,mum

N1veau

les.

comtT1utations

-11.

un

millivo!tmetre

generateur

jNPUT.

Fri&quence.

Is sortie

one txinde vierge

en

enregistrement.

!e

nfveau du gBni:!rateur de

la

sortie une tension

la

vis de rf,glaga

pour

obtenir

ie

la

vis

d~-alage

des tfltes.

de

l'azimut de la

!Method'3 des phaws}

ce

de proceder au

{64_1d.)

oour

MONITOR sur

un

millivoltmetre

OUTPUT.

un

!Jffit.>rateur

INPUT

Frequence: 10 kHz/tensio1Y

une bande

le

r«Jlage

obtenir

m.ax~mum)

signa! de

1€:nterr..ent

rl?g!age.

B:vivx

v~rge

fin

le signal

bite

d'en-

selon

fa

BF J !a

mV.

BF aux

eDtrl:?Bs

10 k kHz/signal:

~

{REVOX

031)

fac;:on

de

77,5 mV.

@)

ff19.

SO'"tie

maxi,

en tenant

tete

d'en·

i!

e-,st

absolu-

r0glage

decnt

UM

erreur

MONO.

BF a la

BF

aux

entr&es

(REVOX

631)

{tr8s

pointu)

de

sortie

Ill

,-,

.>:::=:

(J

1>

-::>

Ill

Ill

~

1:ij1

·:c.·

i?'

\i)j

u

Fig.

6.4.-14

6.4.16.

-

fig

II

II

-

-

-

de

Vor magnetisierung

L~

JN

Wr>!!forgl!bepege! for

;:;bti.,mgiq

vom Vormagret!S,erungsstrom In

Form

emer

Kurve

v>t?rL§uft.

kann

des A1bcitspunktes herang-ezogen

6.4.-13).

OUTPUT L bzw. R

- NF-Generator an Anschluss @

INPUT

-20d8l.

und auf Aufna:hme starten .

drehen bis

mum erreicht ist. 8etriebsarv1ns-cti.alter wahl-

weise

geschwindigkeitstaste wahten ! .

und drehe nun in g!eicher Drehr!chtung weiter

bis

Tabel.!e

(LIU!

' u t

I 10kHl

I i /

11

•.He<;c

S..xli€nungselemente nach Fig,

ems.te!len.

!'-JF-M:Pivoltmeter an Ausgang @

p;ir.a\1t::•

Leeres

Band ( REVOX

Mit

Reg1em

Bl

AS

ADJ. LEFT

BIAS

AD.J.

vom

Lmksansch!ag in Uhrzelgerrichtung

dLls

auf

LEFT/RIGHT.

Ma(I

merke

die NF-Ausgangsspannung urn

6.4.-15

r-1--\-

1 I \

, I

/ \

I

I I

~

I

~·

\)

.:~7-~

I~

,.-;~~-!,

!

I~)

'J

i

LEFT
RIGHT

hnhe

m1t

ausg~pr.3gtem

&>ziehung zur Festiegunq

ansch!iessen.

anschHessen \ 10

(SLOW+

RIGHT

!SLOW+

NF-Ausgangsspannungs-Maxi-

(entsprecheOOe Band·

sich

die

Maximum-AnzeigB"

aufgefiihrten

rn0>

....

\ _ ....

Wert

·,

::\

((

:j.!

::--

......

-

cc~··

"i

AUX

6.4.16.

Frequ~nzen

Ma.:-:1mum

werden

;;Hz. 0

631

I autlege0

FAST!

FAST)

den

gesunken

Since rape nwgnet1la11on

rent, a sharr;ly

hinited

increa';ing

This

\Ftg

the optimum opet<.iting

6.4,-14

PUT L or R

-

AUX

PUTs

VU

- SE'lect freque.ncv

to a revel

- Load record.er

631

are to be adjustffi at their r-espect!ve

by

wise

signal

put.

SwVitched

QtmedL

in

der

1st

1

,-

_,__c·

'

--·~----T

i I

:-.--

..

-_ -...

-.-

..

-...

-_

-1

_.;v

AUX

!;l.

I ' I

-

,,.'.''..-r.-,,,=.11--:,11""il

·=,

:1

Ii

l[I

!/!

'l-ld'

JI

'I

L

.::01:1

(~

. . !

'~1'7'

(~j

i

·~--·T·

6.4.16.

Bias

adjustment

at high

the

r~1ationshtp

Set

owr:.1t•ng

6.4.-14.

Conn~

{__~

Connect

(~

in parallel.

of

20

land

start

The

potentiometers

BIASAOJ
BIAS ADJ RIGHT iSLOW ~ FASTI

turnirig

them

pos.ition in

IEiv-et,

as

reaches

to either LEFT

After

slov1r!y

keep

in

dock.wise direction unt•I

Sign;,!

has

dropped by the amount shown

tab1e

6.4.-15

iB-t•

•l,-.peoft;iipe

~-~~-~-~~--!--------------~------··-----~-----------!

:.~:

~-~~~~~~---

-·

I

1~.-.:>~

~ll

0••-••••••••••••••··-o-•~•-••-••O•-•••••••••••O•••••»•-••

I

~~.-1~

t.H

··---···-----··--·----·······--··---------·-···-----·-··-

I

~CUH.H

bJf>fl<JI

·····--·------·····-··--·-··--·-------------·---------·-·

I

'(.!IL"

l~~

·--------·-····--·----··-·<<••-•··----------··-----------·

~u~

·-·--·-----·•-<<+

v.ar'e-~

with

rJBf1ned

maximum

frequencies.

bi.as

current

may

be

utilized

pomt

controls as per

audio

n11llivoitmetBr

respectiv~iy

aud~

generator

of

dB

below 0

with

in

the

recording mode.

LEFT

(SLOW+ FAST!

from

thi:Ji1

ch:x:kwise

measured on the reco<der's

its maximum (rnode setector

having

reacr..etl

on

rotatiog

!~U)

l,..W•1'k•fS

le/tll/4ip,.

.

~.

-· ---

~--

~~--.

! ...... I " I

l

(..

1 I

I I

:

bl:Js

output

when gr adua!l·y

from

z~ro

\mwards.

to

determini:'!

~6.4_-13).

to

to

AUX

10

kHz. and ad1ust

VU

b!ank tape

\REVOX

tape

fuily

counterclock·

direction

unM

or

RlGHT

the

ma,.;1mum,

the

respective

ttimpot

the

W

kHz

l&!Jl'i'ea/S

l,,_~lk•fS!

1,.Yll/Z1p11,.vl,1p1

!

______ ~ ·-

~~--!-- --~--~~

i

I>

I

<t

I 1 I

'>

I \ I

-.

spe.00-s

OUtPtlt

wr-

is

OUT-

out·

as

.!•~

<t

\

iax."

tlg

IN·

the

re-

Prt?magnetisation

Le

courant

de

courbe
le niveau

poss1b~e

trav.aJ!

-

sorties ® OUTPUT

-::.-...

it§_)

et

dernarrez

da.ns le sens:

l"obtention de la tension de :)Oftie

mum. Commute.r altel"oati'.'ernent le sS:lecteur d-

mode

vitP.Sse

notentiom€:tre

1usqt.i"f!
correwonde

1~u;

I

.. !

I

memagn~t1sat1on

dont

le

ma><-1murn

tr~$

de

lecture des hautes fr&Quences.

de

fixer

avec

{6

4.-1

'.:H

Effectuez

!es

6.4-14.

Branchcz.

Raccordez

AUX

INPUT (10 kHz. 0 VU

Placez:

une

en

enregistrement.

Twrnez

I.es

BIAS

ADJ.

BIAS

ADJ

des

aigui!les

sur

LEFT/RIGHT

de

bande

cho1s1eL

ReWrez ie po\nt

tou]ou~s

ce

Q•Je

la

-..hvte

au-.:.

va!eurs

..-.."

\..)

o~~O"li

L

1

otHH

Lo

,rg~

I_

po1nt\J intluAr:t::i:

prOC;sion

commutations

~m

miik.-o!tmetre-

LOU

R

un

g-2n>?rateur

BF

bande

vierge (REVOX 631 l

rf:?.J~ages·

LEFT

!SLOW~

RIGHT

iSLOW

d'tme

montre.

{conto.rmern-ent

rnai.:~mum

dans le

d.e

tension dti sortie

de

la tdb8n8 6 4

""

!ltt

""

1flAP

®""

e;i

"~

g

....

'

V"'.

oro'IOQW

son

Point

sefon

BF

aux

-20

d8l.

FAST

+FAST\

BF

et

tournfz

meme

u11~:

Ii

•:Si

d~1

la

tig

Gi\Jl:~

entrl!l;!S

jUSQU\

ma.:-o

.ii

J:

sen:;,

BF

-1

S

J

Fig.

6.4.-12

6-8

Fig.

6.4.-13

Fig.

6.4.-15

()--~i

- - -

--·

-

--···-~

· "'' · ·

···

· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·

···

·········

···

·.-

..•. , .•.•.•.•

,.,.,.,.,

•.•

,.,.,.,.

,.,.,.,.,.,.,.

".,

••• , ••• , ••••

,.,

•••••••

,.,.,

.,

•••

,,,.,,,

""";:;:;:;:m:

'"m;:;"

"'~mmmm:m:m:m:,:1=~=~=1:;.1:t:1=~=1'.:e"·'""';;:;:;,

r

11

i I

c)

......

i

s"

·1' : ....

i

(Ol

! I

.:::__

Fig.

6.4.-16

6.4.17. Aufnahme-Pegel

INPUT

- NF-M1iltvoltrnetm·
OUTPUT anschl""'"'n.

steHen,

nung

von

bzw.

RIGHT

artenschalter entsprechend

RIGHT.

Komrolle:

Keio

Pege!sprung

TAPE und INPUT.

(3

3/4

ips)

liegen.

r I

. ' I

I.

,

l o •

'R"R

{'W

.,.

l

I,

£..~~Y

Fig.

6.4.-17

6.4.16. Aufnahme-Entzerrung

8001enungselemen\e.

einstellen,

NF·Millivoltmeter an Ausgang

OUTPUT

- NF·Generator an

INPUT oara!lel
12 kNzi.

6-10

1;::=·~1-

''::"

\.\.j:

fj

.;~::·;;~

(ry

ro

:....

LEFT
RIGHT

Ber.henungsefemente

e!rntellen.

Wiedergabe-Pegel

NF-Generator

para!!el

anschliess.en.

Leeres

Band

starten.

Gener.atorpcgel

TAPE/INPUT
TAPE.

Mit

auflegen

dass

am NF-Millivoltmeter

0.775 V erscheint.

den

Reglern

auf

0,775 V einstenen Betriebs-

beim Umschalten

Bei

der Bandgeschwindigkeit 9,5 cm/s

mu""

der

~~·

..

. . . . . . . . . . . .

·QQ.

.

'!:st

---

_,..

'""~~·-

LEFT

RIGHT

ansch!IC!Ssen.

ar1~chiiessen

0

(~\\.

'-.'

\t._:W

~

_.::::::.:

n 0) a

~·

::::

....

!

mtissen

an

Anschlu» @

an

be1

&halter MONiTOR aut

REC

Pegelsprung

.'"R·~··

,4~

AUX

wch

Fig.

6.4.-16

eingestellt sein

Ausgang

und

auf

ALifnahme

1000

Hz

so

eint'!

LEVEL

auf

LEFT

zwisc.>ten

inne<halb 1 dB

o

··~·A)··

~

..

,.,,

.,..

_,~-··

~~~Q"

I I I

Anschlu-ss

nach

Fig.

W

VU

AUX

6.4.-17

~1~;

--?O

rF~·)\•

\\_~

_.::::::~:

:f'-

-~ "(,~

I I

6.4.17. Recording level

AUX

must already

@

AUX

cin-

in

Span-

g>:!nE!'rator

0.775

LEFT

oder

or

of 0.775voHs. Turn

LEFT

Double

There must

ing the monitor

TAPE and INPUT.

differen>:e

·Q~.

..

.......

""'"

-.+-~

-9--_.,Q

AUX

6.4.18. Adjusting

6.4.-17

AUX

Voth

dB.

12

~H;.

0

I;.·~·~~:-

,..,. [ ..

~

~.

r-\

'fl1!1p=i

"'

.'::.

I-':-

AUX

Set operating controls

6.4.-16.

The levels

be

adjusted

Connect audio generator in oaral!ei

INPUTs

@).

Connect audio

PUT®
Load recorder

the recording mode.

Select frequency

and adjust its

Vis

obtained on the audio mi!lfvo!tmeter.

Switch

MON

TAPE

Adjust

th€ trimpcts REC LEVEL,

RIGHT

respectfveJy

or

RIGHT

as

check:

be

no

level

:1elector

At

the

tape

of 1 dB

is

o

/;,;>~.:-~~~_;:,;/

·i'.;

,........

fJ:;f)

··•

..

~~ « •~

,

·=-·:·,-1

. >

,. " •"

.

,... " ..

1

1

1

!r

I_,_.!-'

-:i:;

of

the reproducing system

as

per

soction

minivoitm>eter

with

btank

ta~

of

1000 Hz on audio

1evel

unt1i

a reading

ff

OR

selector to position

to

obtain

an

selec1or

difference

between

of

3

"·"'

out.put

w-r-,en

the

314

-·"

•··"

mode

required.

speed

permissible.

...

dr-i1

per fig

.

to

and

to either

switch·

oositions

ips. a

"'c

6.4"

OUT·

LEFT

level

!UOIUOIUOI

the

SL'!

P!JT

A~·~ir~~~tp~~~~;o

~•]Ve!

recording equalization

\)p.Jr:1t.ng

:::1.wtrob

us

oe1

audio milhvoHm>?ter to

-....

f~)er~~:~~:1

20 \f8 Uelo; 0

\iUj

Olff·

~~~~:~~1!0::-'

..

' . r

1 I

' [

IJ

!I

Ii

I

ti

5@J'.::I

·,,

..

·-~f-·r·;~;

,

tc.:;11

f,J

'~(7:@

_!~~-~;I

$ G

6.4.17. Niveau

10

to

@AUX

sortie ® OUTPUT

start

- Placez une bande vierge

enregistrement.

-

of

facun

voitmetre BF.

Jevei

LEFT et

iecteur de mode

R ! G HT

Contrflle:

AssurezNous

nrveau

toi&-ance

.

6.4.18. Pr6accentuation d'enregistrement

fiq

S•J1tie

d~enregistrement

Effr1ctuet

les

r"iiveaux

INPUT.

le

gEinerateur

le

les

potentiometres

RIGHT

poor obtenir 0,775

sera

qu'ii

TAPE

la

Yitesse

dB

commutations

un

selecteur

n'y a aucune

et INPUT.

6.4.-16.

Les

ajustes.

Raccorde..z

Branchez un millivoitrnetra BF 5

Reglez

.a

lire une tension de

Mettez

TAPE.

Reglez

respoctiv<!!ment,

entre

Pour

est de 1

-o;~,,

l.

o:~ow

1

j

-~:;H

LO

~~s~

ro~

'o~

R

..

~

•~

l

LO~~

Ellt!ctu!?z

it!::>

~m

OUTPUT

un

l~~PUT

(0

C•JmniutJtions selon

mill:voltmetre

g6n>?.1dteur

VU

64.-17.

.!21ancMc

(51;i

-.fiaccc1rdeL

AUX

I

. .

.·

, I

..

~~~:

$

selon

!a

fig.

de lecture doivent

generateur

BF

0,775

TAPE/INPUT

commute sur

de

9.5

emfs (3

BF

aux

entrees

et

d0marrez en

8 1000

V sur le mi!li-

REC

LEVEL,

V.

LEFT

diff6renr-..e

314

ips)

~tre

Hz

de

sur

Le

re.

et

de

la

la

0""

OSlOW

Qr.or

0,,,,,...,.

!a

tig

BF J la

BF

<1ux

~-20dB,

entrees

12

kHz)_

()

•

··~

ff.

{i~l)

(Q)

I

~

RIGHT

Fig.

6.4.-18

Le«"3s Band

:;.t,irttin

Entspr.;>chend

mit

den Einstellreg!ern

Ausganq~~:,pannung

+ 1

dB

bezuglich i

kHz

8etnebsurt~nsc.tmlter

.stoe•lung>:?n

""')rnehmen

6.4.19. Frequenzyang "Ober Bond"

OO:l1ernJn:gse!emente

ein~teU<:?n.

NF~Generatc,,.-

bel;}sseri

!0

VU

-20

L8't:·1

es

Band

start

en.

'

.~·

NF-Mil!;v·o1trneter be; 1

z:ahhge

dB-Anze,ge e1(hen.

Frequenzg.:3nge

wahrten

Band~)fJSChwmd;gkest

Umschalten

TOR ouf Steliung LEl=T bzw. RIGHT ke:nncn

beide

te{:hn1scht-n

de5.

8etnebsarten">Chdlters MONl-

Kana!e

h•ntcre:rwn:J'}r

D1e

F;equenzgangwmte

DJt+'!n

ersicht!ich.

l_i

(i·:~)

ff

(fJ

I

und

ovf

Aufnalimi:;

SLOW, FAST

auf

RlGHT

K.:tM•

nacn

Fig

ad

gh~Khem

und

~~uf

Autna~me

!.:Hz

auf

IT>E:Ssen.

gemessen

sirv:!

«:»

AUX

dir,;·

Ein·

6.4.-18

Ptii,Jel

gc;nz-

Qt!·

o

...

~rch

vverden

au~;

,.l':'n

.

l .... i T

' I

I '

LEFT

.:iuf!~1en

dl'Jr

8Jndgesd1w1nd1gke1t

EQ

auf

0 dB \77,5 m'J) bis

emste!len

tUr

rechten

etwa

dB)

JJ\.if!egE·n

entspre.::heriJ oer

...

~~·.

_

...

'"'I

,-,

'-~

-

..

.

.g

..

" ' .

..

1,-j,-,,,,,lli

C>

f>>

AUX

1n

1he

i1.1:;t

"SpP<::tive

re.-:;Qf·:i~i·s

0 dB trJ + 1 dB

-:ind

.,.,,el!

6.4.19. Frequency response "overall"

6'1.-18.

set

as

~n

the recording

q,J.ertcy

audio gi?nerator

venierit

-5d8

tar;e speeds. Both ch::innAts

one run bv alternating the mode serector be·

tweer; the pos1tiom LEFT and RIGHT

Er1di11id,1ai

cht:rck

manual

P_,11_,1

lo;1d

rf?(Ordt~r

1F?r:1.)rd1ng

While re;:ord1ng

t~i"'

rr•ri>JJOts

wre

Turn

Jd1u:it

Set

Output

fvr

previous test

Load recorder ir\nth

Cahbrat-e

response meesurernent by adjusting the

mid-scale

on

the

Check frequency respunse

freq11.encv

For pf!rrnissible

~e.:t!OT'l

vn1h

m<.,,J•~

EQ

SLOW, FAST

sret.><Js

unt•i

output

fo!fs.

rel<:t!iv.e

t<)

mod•:;

w;i:ctor

eq•J<:i1

iz.at

:on

operatjfig ::antral$

16\-.el

of

!20

mv.:IB:

aud;o mdiivoltmeter for

h:rvel

at 1

defiection on the

100

rnV rangel

2. Technical Specifications

_J,.

__

bl:mk

the

12

the

s19naf

within

the

1 kHz 177.5

to

position

f-Jr

the

nght

audl-o

generator remains

dB below 0

blank

!<Hz

to

mav

re-sponse

,..:..:.,

.:...,,

1Jl_,1

.J_

!J0€.

dlH..i

kHz

;;.igna!.

ar

!he

!evei

at

range

mVL

R;GHT

chann>'.l'l

as

per

VU).

tape

.Jnd

obtain

a con-

rnc-tE!'r

at

the two

b€ checked m

at

oe-viations,

of

st.3ft

from

s.tart

fre-

{~.g.

eaeh

this

~)::,.

I

! '

?:::·

I

(j

I

Place;

RBgle.:

Placez

fffoctuez ies

64-18

Lais:;ez

ewe

Placez

CaHbrez

un

nombre entiet

Contr6!ez

possible

Comparez

ie

pr8c€demmem

de

r~1

Q~:.,,

0'.:'

C)

()

on>?.

!es

1u~qu'

fe

rt.'>glag;;i

de

le

une

le

En

contr6i.::r

teci:1'11:..iues

I

entt:":)!;,tre1nent

ad+

re-

cortespo11d<int-es

the

0 dB {77.S rnVj

Effectul~Z

as

6.4.19. Cou.rbe

frg

rn"'eau

enreg;stremcnt

sur

deux vitesses.

mode a!ternat!vemrnt sur LEFT

E'st

• •:aractE-ristique5

I

;2 i

""

'.:.,.

..

~;:,"

br.nde

niv•~CIW<'

EQ

SLOW,

;J

W!t>ct8ur

P·)ur

reponse "apr6s bande"

CVfflrnutat1oris

g.:i-ri.o:;ratE<ur

0011-j.;;

mi!11vc1!trn~:1,~

de

La:

courb<-J!

cornrnutant

les

val;;

(=~

(

__

)

nE-rg"-:

d~

:>ortie

FAST

+-

i

d8

dB

rnodD

ie

canal dr:Jr!

$!= sur

(0

VU

•';EHfl8 et

d8

·~

k!s

det1" (anau:..

..

_ns

..:.

,

·~-,

~eponse

·3'-'<:!G

I

....

w I

et

d.;,1n,3r1<:1

au:•

;:t"O.',

p-our

G~'·"

u.~Ln11f

;.1

i ·

s:Jf

P

SB!o:o

'cr

1e

,..;;,

-20

d8\

dem.1r,.~;:

BF d

~

c:·t1··'

ie

stlle>:t>?J

et

R!GhT.

c-::+<s

H-11

,·;:.-

k~

~:

f

'J

o

_,,.

e

'-

"'ij

I

~~

Fig.6.5.-1

6.5. Messungen verschiedener Kenndaten

6.5.1.

INPUT

OUTPUT anschliessen.

ter MONITOR auf LEFT bzw. RIGHT.

~

Kiirrfaktorwene entsprechend

schwindigkeit ersichtli.;:h.

«·:::::::)\

(

7J

..

....

'~Q:

LEFT
RIGHT

Klirrfol<t0<

"Ober

8edienung5elemente

einstellen.

NF·Ge-ator

para!tel

af15Chf1Bssen

Fceqcrenz:

Pe,iel·

Kl;rrfaktor·Messgerat an

Leeres

Band

starten.

Klirrf&ktor

Aus der

auflegen uod auf Aufoa!lme

messen.

TabeHe

O

)"

:~'.·.

~

i2.h~~~

I I l

Band"

nach

Fig.

an

Anschluss

@.)

500

Hz

OVU

+6d8

Ausgang

Betr!OOsartenschal·

6.5.-2

sind die

dw

rF~ '/~

I\

'.Jf

i(

\:;~~~.

·~~·~

AUX

6.5. Mmsurement

6.5.1.

6.5.-1

AIJX

@)

OUTPUT

- Load'rocorder

in

-

Switch MONffOR mode seiector between posi·

tlons

zu!assi·

Bandge·

\pur-e

speeds

n I

,,..

\)· ~ ·,:

~!/•

AUX

data

Distortion viil tape

Set operating controls

Coo~~

PUT~-

Frequency: 500

Level:

Connect distortion factor meter

the

recording

Measure

LEFT

The

third hannonk) at

may

·:·

"ti

....

~

001j1ri1611~1

audio gengrator

OVU+6dB

(ITT)

mode.

distortion on both

and

RIGHT

permissible amount

be

seen

from

·~··

-

·:

·~

..

·

.•··:'·"'!.

as

PB>

to

of

respecti1.:"e

6.5.-2.

-'

fig.

6.5.-1.

AUX

channels_

distortion

•·"!'~,

of

various performance

Hz

with

blank tape and start

as

req_uried.

the

tabr:e

i

!

IN

to

tape

95crn/s I <1

19

Fig.

6.5.

Mesure

6.5.1. Distorsion

Effectuez

6.5.-1.

_ Ra.::rnrdez

@§)

AUX l NPUT.

Fre-quencc.

Nive.au: 0 VU+ 6 dB

Branchez

sortie

@)

- Piacez une bande vierge
enregistrement

-

Mesurez

a!ternativement le sB!ecteur

et RlGHT. Consultez

I•

tabe!le

6.5.-2.

ovu

257 nWbr'rn 514 n\\lb/m

crn/~

I

·<

6.5.-2

de differentes caracteristiques

"•pres

les

un

Ei)()

un

OUTPUT.

I.a

distorsion

I

%:

0.6

'·x.

bande"

commutations

gt}nernteur

8 F aux prises

Hz

pont de distorsior.

et

en

de

mode sur

les

valeurs

admissib~es

OVU+6dB

<.

2,5%

::

i,5%

sefoo

la

.3

d€marrnz en

commutant

LEFT

fig.

·--

..

~-Tl

-

-

I

t

!.a

de

r~

i I • I • >-

11

,

I , 6

I,

'"

l,

~

Fig.

6.5.-5

G~rdu'K'.i1span;;o..;1YJ

·;en.

Me->sungen

schwirvJigke1t vurnehmen. Die Effekt1v-Werte

ibev.•erter ASA A) sind

ersichtiich.

Werdo:.in

stande nicht erreicht. sind die Bandfohrungen

und TonkOpfo

tlsitJren.

Du~

I

I

-

- Obersprechen MONO

-

k.Onnen

nur mit

(Bandbreite < 100

_

'\\

(f

Ji

-~-

'~'.

;

,,.-,::.,..

.

"!

.

(T)

LEFT

Kana!

for die r.iedrtge

aus

di.;:<>e

Ger8u:;;ch!>pannungs.1b·

nochma1s

sorgf.§ltig

to!genden Messungen

L6schdB.mpfung

Obersp-rechen

STEREO

einem

selektiven Voltmeter

Hz}

gemt!$$en

.~

f",

I

'_;

(\

!),1

..

·~._.

I

~

·'~

I

CO,

(1

() -

'"'

AUX

RIGHT

Bandge-

dtr

T<JbeHe

t3

5.-4

zu

entmsgne-

were/en.

____

G'~)·

. rf')

)1

'••--~

, -

AUX

mes·

through ASA h

speecl

as

n.o!-;e

ratios.

::,een

from

those

shown

th>::

neads and

an

audio millivoltmeter with a narrow

filter

of

analyzer)

~p-7----~-~

_.,

:r

)Ii

:11

..

Switch

RIGHT

Read

n0;;,.r_:

'."'.f><!ighting

Me.::i:;;ur.::

rio15(!

descrrbed above The

i

<.rve1ghted

tablr:!

t.5.-4

if

the

s--gna!

in

the table. car-efol!y dem.3f)netize

~ope

For

th'""

following

- Erase

depth

-

Cross~alk

-Cro:;;s:a!k. STEREO

less

than

will

be

required.

;f:

rri;:;::!e

Sf!.!ecto~

vcl1.39e

of

the fight

network

volt&JB

.at

the second tape

RMS

as

per

ASA

to

noise ratio:;

gwoes

and

repeat

m~s.urem"::!nt:;

MONO

100

Hz bandwidth

I

!

'I

I

;u_Jit_jl

!

'

to

position

chann<:!l

signal

to

A}

can

be

am

ff?'>-s

ihan

t11e

test

banrJ.pass

(wave

v1tesse.

ASA

va!eurs,

sciencieuS8ment

ne
metre seiectif (IMgeur

2·Snur

2·!!'.id~

2·pi·:_t,·:,

iV

,:rn/~

~l':),;rn/-;l

,,;s

I

..

·

..

GEMES:)Et;J

Fig.6.5.-4

Mcsur8Z

RIGHT.

R.§p•1tez

.A

sont

S'il n'est

Les

- p1ofondevr

- diaphonle MONO

- d•aphonie STEREO

peuvent 4tre

:~,

:·fiG

·'"

'·'

~Jl

r REVO:<: 631

!e

bruit

le.s

Les

demagnetisez encore une tois

mesun.."S

valeurs effecth.1es !pond4t·

don1"!fus

d'Jns

pos

D05Sibli0?

!es

t~tes

mesurns

su;vantes:

d·effacem~nt

e.ffectuties

de

4-:J,~

4·1•.tci<

4·p:;'.;1':)

i:J<

I IS

>t2

d8 fond du

pour

la tabf:llte 6

d'attt?1r'11jn.;

et

le:;

9'Jld'%

qu'all'BC

bande < 100

•JI

lpi)~.1·,

I

i!:

I

I

>'J'

"~'

i<i

r''-

5.-4

i

;:-t

c

de-

b<:r

un

milfi11;:

Hzj.

I -

---------------.,.,

I

1

0-•

I -

I § §

I

£_~-~Jl

Fig.6.5.-3

6.5.2. Geriiuschspannungo-/ Fremdspannungs·

Die

GerBuschspannungsmessungen beziehen

auf Vollaussteuerung (1.55 \!; 514 nWb/m).

Messfehler durch HF·Einstreuungen zu veimei·

den,

wird

Band

verwendet.

OUTPUT L .:msthlie:;sen.

NF-M:!br.-:.•l\m!:'tel"

)F\

· ·

·\.

o

...,

....

.,...y

0

-···

....

.~

~,

~(

e

~--~·

Q~~~

I I I

LEFT
RIGHT

abstand

"Ober

Band"

ein vorher auf dem

8ed1enuogse!em>:>nt~

einstel!en.

~.ff.M1i!ivoltmeter

Gerat

Juf

Ger5usi:J1:1pannun9

Bert1ebs.artcnschalte! aut RlGHT.

6-12

Wi1.:!dergat>e

K:J1·1a~

an

OUTPUT

aq

AUX

G€riJt

ge!Oschte:s

nach

Fig. 6.5

AusgJf<-:J

::>~artt.•n

LEFT

me-.>:Y,11

R.

sJCh

Um

-3

. .

.

10

-~:_

6.5..2.

Noise voltage measurements are
ference

514

avoid erroneous test

querh...f'

running tape.

corder

PUT L ((;])

-

cordt"f.

through

Oi=·~~;'~-.:,:~:-1

~··

-

..

1

...

_. --·--·

~---

s

..

§

rODID[OiOIUI

AUX

Weighted

and unweighted noise

surements

via

to

the

n\'Vbfm (outPDt

i:::;-eak

pid:·up.

aH

Vi..f'uch

in

a PHMOus run.

Set

oper<1t1ng

6.5.-3

C.)llfl(!(.I Judi!) rm!ii\·o•tmeter

Wi;h

i.-.wviou~!v

~tan

tl)P.

mach1roe

Read noi'.ie vo!ta9e

ASA

A

-..w1ght1n·-J

·:

tape

level

modu!ati1..•n

lew! 1 5S

V)

resul!S

dut>

me-asurerr>ent::o

has:

bei::in

eraS1Jo:f

elements

eia;_..eij

tape

in

PLAY

of

Hi.:

netwc1r~

tJ~eo

~

.'.'··!

with

In order to

to bias

am taken

on

the

as

p.;:;r

t0

OUT-

on

the

!ett

ch1nnt>l

r<:~

\.:)

rfffi

,'~

9

i

~

,'f,,;!w,~I

l~~i

l~

. .....:.¥.!,

$

mea--

6.5.2. Recul

re-

Le

of

maximur.'l admissib!e (514

Afin

fre--

tions parasites HF. utilise£ une bande

by

r~-

t1g.

<;ortie

re-

rnE!tte

du

bruit

reC'.JI

du brrnt d(' fond

de

ne

oas

favsser iJ

Etti:ic.tuez

6.5-3

Branct>ez

(61)

OUTPUT

r:N.marrez

en

~.'lt,>surez

I~

serectei-..ir

de

BF,)

!a

sortrt?-

f f

I

n

lJ

_;::~iq2~;

.

c:~l

I

'~

if,"

i

___

J!!ll

Eb

de

fond "apres bande"

se

refere

au

niveau

nWb!m;

mf;;>$Ure

h..>s

commutat1()r1s.

un

milllvoltmt>tre

L.

!ectu1e.

b1uit

de

mode

sur

OUTPUT

fond du wna! LEFT"

1,55 V)

par

des

induc·

effacee.

:;e:h)n

IJ

BF

RlGHT. mdHvo!t-

R.

i.g

a la

l

6.5.3. Loschdiimpfung

Zurn

quetn von

schhessend

I

bende

~

·,

OUTPUT

- NF·Generator
INPUT par;:i!lel

!

+6dBj

starten

I

.

l6st.htlJri1pfun!J

•Jt"'r

dem

~Vo?·rt

R!Gi·rI

f..:JIVJl

Messen

de<

Ldschd,3mpfung

ca.

1000

gel&<;cht.

Autza1.:;hnung

Bedienungsciemente

einstellen.

NF-Millivol!rneti.;r

Leeres.

und

STOP.

zurtici.. wici<ein.

Regler! NPIJT LEVEL L

Mas(hme

Aufze-klm1Jn9

Pf""Ji?.l

Bl)

r"l!3).

E"~..!lr

V!)t11t_>i;n"1>.:ll

wird

anschl1€SS€n.

-:1nscMies.sen

Band

k.urze

Aufze1chnung vornehmen

Band

~~uf

mtJ:iS<""!n.

">•.Iii

d!~!

Vo!laus5hJ1JL·iw19

11:.1!.i:;d1

;,~n~,,_h.1!tt:r

,:•.rK1!<JOt.,'i

Mc:>svur•i.i1hJ

w1rd

eine

Hz

aufgezeichnet. und

Die auf

dem

gemessen

na..::h

an

an

Anschluss @

{1000 Hz, 0

;:iuf!eg.c:n,

an

AufzeKhnung~nfang

Aotn.=1hrn'-'

Der

wrb!eibende

minde:>lt'n:>

M(:N.

Band

verbiei·

Fig_

6.5.-5

Ausg.ai"lg

@

AUX

auf Aufnahme

.=mf

"()'"

sta1

!.t;n

und

Re~>t

7b

J8

1..mt.;:r

=~:::~tJen

(!yp.

!TO!i a1Ji

!<11

l<!.,_·

:h:n

Fre-

VU

ar:-

6.5.3. Erase efficiency

To

moosure

the

;mately i 000

;e-,e!

aga,n

th;t

both

tain peak

(1000

in

the

anaiyzer.

the

recording

-

PD":>iti•Jn

:node and

tape

must be

ah)ve

80rJ8i

s1l:t,>n

nv">nb

erase

Hz

and

in

signar

AUX

Th.:·

has

that

same recording has

a subse'::'Jent run. The residual

win

th.:-n

Set oper3ting controls

Conne-..:~

Connoct audio generator in

Setect l 000 Hz and

Hz, 0 VU+

recocdin9 mode.

STOP Jnd rewind

Close

Start

$1v1t<::f1

RiGHT

be.

v1:'3ve

®

INPUT'S

@).

l~Vf'i

1ridicat1on on the VU·m"1ter

6d8).

Load

rec

...

>rder

Establish reference re.Jding on

f,l<Je<

"Q"'

th!?

n1a.dune

rnea.:;:i1!:"

the

rnagn.,,tn:-

re,_::0;;;:f11\i

tlttent::;t~'i..l

bv

es.t~1!Jh<;t<t'd

1eft>H:!n...:e

'1k~dt!

:;..Jlo;:•,_-1c•1

Jn,1

1ppf,1t

depth, a SJgnai

to

measured

analyzer to OUTPUT

with

INPUT LEVEL L to

n~skio,1!

~H

of

be

rt?-..:ord-€0

to

be erased

as

per fig 6 5

oar;;ii!e-!

ad1ust

level

blank

tape

and

to

th>?

bf.:'g•nning

d9.)Jn

in

tht>

!t:...,;

s;gnJ!

1fll"li.11llin9

led.SI.

7~~

Lili

lwic:,,,,.

(tyr,t·.:.J!

MON!TOR

the

dt;.-;·.:·~

ffll'..l~•rne

appro)(.·
at

peak

!evt;tl

to

start

wave

1

Yd1nu

!1~vt"·1

(rn

1..;pe

,,,,t!v1:.•

tp

6.5.3. Profondeur d'effac:ement

Pour mesurer

re9istrez une

la

bande.

of

g!strement

-5

sortie

to

- Rdccordez

@AUXINPUT(1000Hz,OVU+6dBi

ob-

enregistrenient.

LEVEL

la

protondeur

•)f

r~9isherno?nt

:;m

80 cJ6)

TOR S•J!

on

t1v:

!JL•·

fr4-quence

En.suite,

Effe.:tt.1ez

65.-5.

.§.::anche;:

(2.})

OUTPUT

Placez une bande

STOP,

l\Aettez le

SUI "O"

oem.arre~

do1t se

dessous du

C:ornrnuh:'!

RiGHT,

!a

protondeu-r d"effao;rmerit, -

reb0b1nez

d't'!ffJrement.

ruv>"cni

pt

de

1000

Hz.

les

res\i'JS.

generateur

v1erge

et

la

band~

d"eri!ree INP·

Le

~iu

nl•)ins

dB

ivaleur

Jt<

Jd

'"~~;wt>

pu1s

st>k.>n

aux:

det11al'<?.Z

et

residu

nf-....,,,:k,

t;

-1

mesurez

1'2S

.;;ommutat;ons

un

mdhvo~trnt>tre.

un

ri?g!age

en

emegistrement

trouver

+ 6

It•

$&l>?dt>ur

rep>_;te.>

e'i.Zr'

di?

r~

.ie:

BF

i::

me::;.::.v

(ii;:. ~-...

,\

!'S

!Vf1i.1'

~-JO~

~

....

.i3

1

r

·

...

,.,,,,.;,,:,.,,,,,,,,,,~iliID!illlli~

:ill

ml

l

i~~

~

11

o .

.,.

•

11::::\

ii

-~··

""'''

! i

11

@.0--···

l;,l.

\,I

~

©

··coY-

LL ~ ........

RIGHT

Fig.6.5.-6

6.5.4. Obenprechen MONO

Zu

dies.er

M€'S$l.HlQ

einem oeuen

rend

ca.
rcchten Kanal
MONQ..Aufnahme

steuerung aofgenomrnen. Oabei

ochten, d.Jss

je·mlls

steht.

pegel

einstellt.m.

der Aufzeichnung zuriickspu!en.

-

OUTPUT R anschliessen.

ten.

Das

(:>60dB).

vorspulen.

-

SelektiV<lS

OUTPUT L
MONITOR au! LEFT. Geriit ouf Wiedergabe

starten.

(:>60dB).

wird

Band

1 Minute und anschliessend auf dem

wi?hren-:i

d-er

Aufnahmevorwahlschalter

nicht

benutzten Kanals auf Stellun:g

Bedien.ung~!ernente

e1nste!ien.

N

F·Gen~rator

Leeres

Band

start en.

Nach

ca.

1 Minute·

Aufnahmevorwah!schalter

OFF.

Regler INPUT

Aufnahmevorwahlscha!ter

ON.

Regler INPUT

Nach

ca.

einer

Taste

STOP

Sel~ktives-

Voltmeter an

Obersprechen

Auf A.ufzekhnung des

Voltmeter

anschhessen.

D.as

Obersprechen

o

ri~:>

_j

··

·

::::-·

-1-

zwock.m<issigerweise

auf dern !inken

mit

1000

auf 1000

emlegen

LEVEL

LEVEL

weiteren

betdtigen und an Anfang

'~-~~-

~

.:::-:: . -:;.::'..

b

--~::J

-

......

--;--

AUX

Kan.3i

ca.

1

M~nu1e

Hz

und Vol!aus·

ist

darauf zu

nach

Fig.

6.5.-6

Hz

und

und

auf Aufnahrne

REC-L

LEFTauf

0.

REC-R

RIGHT

auf

Minute:

Ausgang

Auf

W~ergabe

L ..- R

messen

re:ehten

Kanals

an

Ausgang

Betriebsarteoschalter

R .._ L

messen

wah-

eine

OFF

VoH·

@

star-

@>

.

/~0.

o

.,,

--~-

.

-:.·:~-~~·:.

~J!

··.·

fJ

-·

o)'·

b

-'f'.

AUX

6.5.4. Crosstalk MONO

It

is

aut

for

this test. Record

level

channel
for

that recording prese!ector switch
channel

de-3

adjust for peak ievel recO'ding.

recording mode

- After approximately 1 minute switch

rewrding

auf

LEFT

auf

position

10.

RIGHT

- Continue

1 minute. then press

to

the

-

I@

talk L

right channel.

-

®

LEFT.

talk R ~ L

1~:s~-10-1-~~

.......

-

1

advisable

to

for approximately 1 mmute oo

only, then

1 minute

on

is

switched

Set operating controls
Select 1000

Load recorder with tape and

as

p<es<lloctor

Turn potentiometer INPUT

to

position 0.

Switch recording prese!ector

ON.

Turn potentiometer INPUT

to

position 10.

beginning

of

Conra..""Ct

, Start recorder

~

R

(;>60d8).

Wmd

forward

Connect

wwe analyzer to

an<l

switch

Start

recorder

(;;.

1

10-·-.:·oo

use

virgin

(or

bulk

-J

si:qnal

of

record

the

the right

wave

mode

60 dB).

saml3

chaoneL

to

the

position OFF.

as

Hz

on audio generator and

described above

REC-L

to

to

record for approximately

button

STOP and rewind

the

recording.

ana!vzer to OUTPUT R

in

PLAY. Measure cross-

to

the

recording

selecto< MONITOR

in

PLAY.

.;

i

1

.

erased) tap!;!

1000 Hz at peak

the

left

signal

again

ln

making

of

the

unused

per fig.

65.-6.

start

in the

Position OFF.

LEVEL

REC-R

LEVEL

on

the

OlJTPUT

Measure

cross-

n

LJ

:

1---,~·--<1

l~~I~

$ $

6.5.4. Diaphonie MONO

Pour effactuer cette ITl€$.Jf€'. ii est n4cessa!re

d'enregistrer auparavant sur une bande neuve

une frl!queoce de

canal gauche pendant 1 minute

le

~me

P-Jndant

preselecteur d'enregistrell1€nt du

utinse

enregistremeot.

to

la sortie @

et mesurez

L

la

sortie

to

MONITOR sur

mesurez

1000

Hz

3 + 6

enregistrement sur

ces

o~rations.

commutez sur

Effectuez

les

6.5-6.

Gen<lrateur

Piacez

Apf'E!s

Preselecteur

OFF.

Reglage

PresS!ecteur

sorON.

Reglage

"10'".

Apres 1 autre minute environ:

Pressez

bande

Branchez un millivoltmEitre BF seJectif a

Bobinez et recherch:ez

droit

Branchez

la

commutations

BF

sur 1000 Hz.+ 6 dB

une bande

1 minute environ:

d'enregistrernent REC-L sur

INPUT LEVEL

d'enfegistrement

INPUT

la

touche STOP

au

dEibut.

OUTPUT

la

@)

diaphonie R ~ L

R oemarrez

diaohoni-e L ~ R

le

mil!ivo!tmetre

OUTPUT

LEFT

oemarrez

vierge

LEVEL

L.

5elect•ur de mode

dB

Puts

le

canal droit"

et

demarrez

sur

'"O"

RIGHT sur

et

rebobinez

It!

debut

BF

en

(;;<e

60 dB).

VU,

encha1nez

OFF

c:Bna!

selon

R:EC-R

en

lecture

{>

60

du canal

Wlectif a

lecture et

sur le

le

non

la

tig,

VU.

en

~

la

!

d8).

"

-

•

1

_1'"::,~

1

?

~~~?'

. i

STEREO

Fig.

6.5.-7

6.5.5. Ubmprechen STEREO

fw

·!·r·

Mih'iU11q

flt\f

WH'i

1\U~:

6•'lJ1e'1tmg:;ek;rn':!nli:>

..:in',t'::'il<Ji!.

~v1.,.~stJn:J

·~.,!l'-!~:t•vt>s

ou

rPoT

R

NF-Gi:-n~r:~to1

V'!.)1i811:;;;1etierur1ri

$;r:Jt

Uher:~prf.{_;hdampfunq

D.:•1

Ptv::!

Mt:l~O:tir:g

NF·G::o~t.J!Or

R :Jn•;d1he:.;:;en.

;;._;!'.'f:!;·JE-3

0

UT

Pl_.'T

l

an;;.:hH~si?n.

Regler 1NPUT

Ri:\jier INPUT LEVEL RIGHT ouf

"11T

Uberspit.·chdurnpfun.g

D•?r

1.\it:><t

Jfl"<J:~;

Sr~1?:·~•·Ubt.-r:',prr.~hd.:i11ir•

de1

NF·GVi•t<UJt•.if ;Jn dl:'n

INPUT

Lanqes.rhk1z.s€n

na;.h

Fin

L

..-

r~

Voltn:et~r

~~;;

:!H:;.·.;hl!f!s:;.;:.:rL

aut

Autn;:;hme

~Veft

su't m,n

!io::gerL

R

...._

Vi,<iimer>:>r

5(•!!

i1i:;gen

t:.us9any

auf 1000

Hz

~.t;J<tf'n.

fr1~:i-:i8!1.

<15

dB

l

M

Eingang

AUX

cin

!1n~.sn

LEVEL

LEFT

m>?s.:~n

1r,1n

4::;

.js

tintt>r

untc·r

,fj

1

~-

,;r

_,

AUX

(Hl~J.mg

0"~5

o;;iri~t!?lfen

INPUT

,:::..~i:',J.3nQ

<Jut

\':)~

AUX

6.5.5. Crosstalk STEREO

To

- 7

::in·:'

ad1v;· for oeat

V·")!i-

R rr:ust tr.; 4f;.

!?.(;Or:Jrn•:1

··o··

LEFT

RtGf·rf

pr-at my

r'e.ak

i'?V•?i

m;~;

.

HE-

tht;.

.Judio

);;•

(Jj)f'r

(n=sstd!k~

lO!Y)

Srsrr

th!?

mr_;::ie

Thi::

si9nd! ievel

dB

C--=:>:;staH;

Connt"'Ct

li·,PUT

R.

·c:-nn-e:t

C!.:;se

pi:rti:'nt~Omf!Y

to

;x,;ition

O~·en

potentrome8r

to

position"

C)n!rnue

(E'\'>"i

.Y.t.;:3ure

Cr•JSStaH·.

'J1

OUTPUT

r~(:1Jrdm'J

1 ·

11,

·1\'1

t

i

__

11\

~:...:::-----=·-2u

:·~

I

I

~

srt.--r~o

,cro~;

ti11k

9•0.ni-;rotor

;:it

rnq

·~··;rl!I·Jl::.

"'liN~

:>n.:-i~y.:er

HL

le.vet

r.:::•~o•der

tJ>:--l<:"';

R ~ L

Ju.:lto Q·9f'£rator

wa·,1~

~iria\.:zer

"O''

10''

u--,

rec.Jrcl

L.

mu:><:

,o-:;ri•)rrna1;

r.o

l~UX

'-''·per

t<:)

OUTPUT R

')n

tile

aud;(; Qi'nfrat•J.f

re

•'.Jdir~J

m

th<?

ai::oe.Jrmg

on OUTPUT

~hrit

ot

a

t:J

OUTPUT

H\JPUT

INPUT

iOO•J

Hz

Til•? S\gnJ!

ti;;;

45

d6

INPUT

f;9

r0c0r-::.ung

~~:ik

L"J

!cv\!!i

beLv;

LEVEL

LEVEL

at

6.5.5. Diaphonie STEREO

;_:.

P<;ur

QL~ne1ut~ur

6 5

-7

La

+

f.rJB

ielfe!

AUX

L.

bsort,,::

pe,1k

,ip·

;;

rr:urn

rrit':;'Jrt:!

BF

£rf<'.'Uue.:.'

6

:j

-1

r·.~t>:;vrf:

son

re

OLi

VU.

D~rn.:1rt<?.!

~;if!S.llrt;-;:

U vJJ.l'.l;y dolt

rnurn

en

M~surto:

R

Sfar:ctiez

Al.il(

iNPUT

OUTPUT L

H~Ll!a-_;;i>:>

M1:~S1Jf0Z

Lt<

"~iit'U,.

~:n

do:>sso•

1-;

!•

.,

·'·,,,--$

$

ia

d1<.tph1:1;f.,-.

,J

1·enu6::;.

!i:s

(.yr1rnu;<J·,'.;1i~

L

._

H

.Jr>

rro\!!-.

fPUT R

ic;

~li:o'n>:;~.oit-:?>.1'

~·;

fn'L~-;~:>tr":"'•'"'l't

!.:t

O•dc.horn.;

8t.ri:.

de-..:.:.ou:;

..._

L

ie

•:F:'.'ner;:.tf'.'ur

.::;:

le

~wH1·,.r:i!tm~~r.;.•

INPUT

LEVEL

!NPUT LEVEL RlGHT

iJ

d!J;__·.hon,,,:

do~r

;:r~

:J,:

+ G

=.lS

;~§)

AU;.::

)1,'T;.:·rr~

2 F

;u

1

do:::

45

d8

Li!::l

+ G

::d.1

VU

SF a

BF

LEf:T

·:i~~

45 ,ii::

r,r.JiK'•>·:

!NPU;

:;>?!on/.,

o;;~\::..·:

au

p·'

fs,i;

::;Pie,~;,-

su·

;~'

rn

·

6-14

•

Ill

II

"

II

II

,.j

I

6.5.6. NF·Messwerte ..

I SORTIE

I

V<>r

Band

..

r Eingang

jP~.;ii

i i

Input

I

. Entree j Niveau

! . maximum W

AUX

RADIO

MICHi
MICLO

Li

*B

• B =

*B =

AUSGANG
OUTPUT

OUTPUT
OUTPUT

RADIO
RADIO

NE

AMP

= 20 kHz

20

20

j;neal"

kHz

linear

kHz

mesuree

LEVEL

LEVElrnilL

LEVEL max

LEVEL

I

. ic

:::;~~~

0 To!eranz

beinhaltet

0

Tolerance

D Tolerance se ro:ppurtant a r.t1mphllcat1on

mcludes

6.5.6. Audio Measurements "Before tape"

fUr

Vollausstruewng

iOVU+BdB)

Input

volt.ages

for

...

e!

nx:urd1ng

(0

pr>ur

mc><lu!.:it1on

VU+ 6 d8l

38mV

28mV

2.8

mV

0.17 rnV

VU+

peak

6

dB~

gemesse1>

!in€aire

Pege-1

Output

max.

min

Ver.st:irkung

d1ffmences

be-1

voltag.;s

Nweau a

ia

m0du!at10n ma'.1mum

1.5GV

70

nlV

<155V

"70

niV

max.56V

rna~_28V

~;{)W!C

Kana!untersch•ed

lwt\\<ei.m

RL""220.Q

didnn.:i!s

,w--1s1

from

AnschhJ5.Sw1derstaniJ

Fremdsl)8nnungsrnes.sung

Term1nati119

for

R&sistan(e terrnin.ale pour

pour

lnout

Vo!!ausstet.ierung

resi:;tance

no1:;13

measurernents

la

mesure

de fond

10

kfl

offon/0Df;1:/ou1r"eft

2oon

200n

!eve!

pot pos

peak

!.::vel

recording

du

= 0 75 dB

:t

0.75dB

RL

=oe

.:md

d;fferenn.~

qu'[;

Li

,i1fterence

::?ntr=:?

for

Frernd-;pannunqsabs!Jn,j"

Ur.we1gh;,~f'"

Rei:ur

bri.:;t

se

"O"'

1r1

.:impi;f!catio(l

1es

canaux

6.5.

6.

bz-..v.

Vol\a1;ssteuerung

t?J.ative

tu

du

bit.Ht

rapc>0rtant au

de

rnodu!ati-'.:)n

;;.73d8

;;o.:6Qd6

;:;.70dB

:;>5QdB

#80d8

factors

Valeurs

de

S/N

ratio:;

peak

lewi

d.;:i

fond

m;;i.~irnum

mesure

...

BF

"avant

band:e"

6.5.7. TonhOhenschwankungen 6.5.7.

Du~

rn

d1.0ri

G!eichlauh-".lt..!rte

-:.chwanr.uii•]sm-;:>~.::.{;r

techn1schen Q,1ten

:::rnd

n~1(l1

~·P·-~.::dit1cl!t'ti

rmt

'l):murn

T~lnh,Ji!.'11

DIN

4'.i':'."lJ7

~H"l11•.'~-:-•J!1

Thi·

IL'dHHc.1J

i~\t1ipn~:11t

·bid

1

~\3 ; ~

tJ-16

Wow

and flutter 6.5.7. Pleurage

W<>W

.'!ll<i

t;u\1!~!

(Liu

'.''-'Cll(Hl

v;iH,

!>

•1(,'-::-17

i_

qnf"~

t:_i_1:1~

OlN

)!'\

0

-.·:1!:10_:<,

a.:..

-i•(·\,·ir:ed

.He

rnt>.l·;iy;~j

'rh.·

\\';th

G•Jrm.111

!EEE

v:nh

::.t.1rid.1rr_i

·1.:-

••

~tt'11!

in

th•?

!<:'~-l

<;t:m-

L,.,-:,

!.Ol!JCi!

;)krn;J'J>'.'

d\;01L•:;

et

s.cintillement

0

•r1S-!1qo-:·;

!c·J1nn.Jtu._!$

St'!

•::l

;JiJ

:;,.:H1\,!l1~n,1~rn

DIN

<l~',(\7

ont

(,Jl)Pi.'l!,;nt

<}\•c

dtJ

n~··SdW•_r<;

·."i>"''!l•

11·)::;

RE.\fox

CONTENTS

;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

B77MKl/MKll

SECTION

DESCRIPTION

GENERAL

AND

TAPE

BLOCK

DIAGRAM/

POWER

SUPPLY

POWER

SUPPLY

POWER

SUPPLY

TAPE

DRIVE
SUBSTITUTION LOGIC.PCB
TAPE

DRIVE

TAPE DRIVE CONTROL
TAPE TENSION SWITCH
TAPE MOVE
TAPE MOVE

CAPSTAN

SPEED

CAPSTAN

SPEED
VARIABLE
VARIABLE
REMOTE CONTROL

AUOIO

BLOCK

DIAGRAM I AUDIO

AUDIO

INTERCONNECTION
INPUT AMPLI Fl
INPUT AMPLIFIER
RECORD AMPLIFIER
RECORD AMPLIFIER
RECORD AMPLIFIER

RECORD AMPLIFIER
RECORD AMPLIFIER
OSCILLATOR
REPRODUCE AMPLIFIER
REPRODUCE AMPLIFIER
REPRODUCE AMPLIFIER PCB
REPRODUCE AMPLIFIER
REPRODUCE AMPLIFIER
MONITOR AMPLI
INSTALLATION
SLIDE SYNCHRONIZER
DISSOLVE HEAD AMPLIFIER

POWER
PCB
PCB
PCB

CONTROL

CONTROL

SENSOR
SENSOR

CONTROL
CONTROL

SPEED

CONTROL

SPEED

CONTROL

UNIT

ER

PCB
PCB

PCB

Fl

ER

INSTRUCTIONS

TRANSPOBT

PCB

PCB
PCB

PCB
PCB
PCB

I COMMAND SWITCHES

PCB

(NAB 3

PCB

!NAB

PCB

UEC

PCB

(NAB

PCB

(NAB

PCB
PCB

PCB
PCB

PCB

PCB

CONTROL

SUPPLY

AND

TAPE DRIVE CONTROL

PCB
PCB

PCB
UNIT I EXTERNAL

PCB

3/4-71/2

71/2-15

71/2-15

1718-33/4
15/16-1

(NAB 3
(NAB

(lee

(NAB
!NAB 15/15--1

FOR

PCB

ips)

ips)

ips)

ips)

7/8

ipsl

3/4-7

1/2 ips)

71/2-15

ips)

71/2-15

ips)

17/8-33/4

(INTERFACE SIMOA ED 3000

ips)

7/8

ips)

SLIDE CONTROL ELECTRONICS

Pl

SCHEMATIC NO.

1.177.310

1.177.311

1.177.312

1.177.315

1.177.316

1.177.317 IB77 MKJ)

1.177.317-00/-81

1.177.135/136/137

1.177.320

1.177.321

1.177.325/326/327 (877

1.177.325-00/-81/326/327

1.177.330

1.128.045

1.128.040

1.177.210-81

1.177.220

1.177.221

1.177.230-81

1.177.232-81

1.177.233-81

1.177.237-81

1.177.238-81

1.177.240/242

1.177.250--81

1.177.252-81

1.177.253--81

1.177.257-81

1.177.258--81

1.177.260

1.177.270

1.177.282

(B77

MKll)

MKI)

(877

MKlll

SECTION/PAGE

7/3
7/4
7/6

718

7/10
7/12

7/14

7/16
7/18
7/20
7/21
7/22
7/24

7126

7/28

7/29

7/:!I)

7/31
7132

7/34

7/36
7/38

7/40
7/42
7/44
7/46
7/48
7/flJ
7/52
7/54
7/56

7/58

7/60
7/62
7164

l

07.84

,:·,):1.iJ.1;_·;l·~.

~

RE.Vax

1

BLOCK

DIAGRAM

I POWER SUPPLY

ANO

I

-·-·-·-·-·-·1

F~SUWLY

• .FIECTlFtER FILTI:R I

I

[Q]---1

MAJ

NS

TRA,N$FORM£ R

~~~

~~"

,.~'"

105V

0 :

I

~"

. I

I RE<:TlflER

.

IA1___0_~1

t2J---L±J

L--·-·-----·-·:-_j

VA!'tlA.8L.E

SPEED

COfffROl.

1,177.330

·-A-C-ma-x.

TAPE

DRIVE

CONTROL

1177.312

~

flLTE•

CA.PST

A,N

Si"EED

cor1rrRoL 1.111_J25.'3WJ27

·~1

J·t>l

REMOTE

CONT~OL

'-----

~

~:TI,,,,,,

~I

* I G

877

MKll

I

: i

REGULATO'!

--

J__

[>

----e

•

E-·~-'"

..

'

. T

I!

I

E-·~-

i'""'

G

SECTION

7/3

COMM

-"'""WO

....

OR.VE CONTROL

~MOTE

COMMA.HD

---,

/o-

CONTROL

SWITCHES

ANO

SWITCHES

/0-1

LOCAL

I

• I 1

TAPE

o~;:;;;;;;;;;:.oL

"t

:::::~···

COMMAND

RECEIVER

CAPSTANMOTOR

t=:©

Ot.-Eno

OP-ENO

T"'E

MOVES£NSOR

I

~:-.:c::-

L _______ _j

=~~~:

-------·--·--·---·---i

'

"'·3"

I TO

REP-RO

TO OSCILLATOR

MUTING

SWITCH

.....-----.

TRIAC
SWITC>-1£5

r-·---

:

r--------,

l

..

, :

I

L

_______

J

J

~o

SVl"PLV

MOTOR

8
8

Tl\KE\...1"

'AO'OR

.J

I

I

I

..

•

•

QI

!_____

_____________________________________________________________________________

05.81

_

I

···'-·------·~·-·---

..

···---·-···----~~----·--.~.,,

IM;;~

I

~\'1f'i1JJ~_iQ';fl

POWER

RE.\loX

SUPPLY

PCB

1.177.310

877

MKI

SECTION

7/5

''

~

;<u'.>,

! l

!'V.INS

r-~,UN(l

1-1

I ! ! I

I : I

I

'l.,E'

;-

) " -

L _

_,-

•··~

15

I

'(rr<J.

P.QV.'U.

"'}i'

'"(....,_,,

;-

·I~

blk

~

:_

___

' '

"'1

! l

-1

!JHK1

!J!t1NE!

_J

\

"'

...

''

-.~;

b

..

c)

:~

1 l

SOO"'Al

ci

··,,,. '

">,

1 '

'(f:'<l.

tj

,

..

fl

.•

l 3 1 l

I

! I

~-l

I

l'b'J.

I

,y

''

15,

~·

'

c)

,'<:l..P:

I I

.

"'"""

""'"""

__

WKCC

11J(}r;i(

·~

I"

,.i

""

blu

:±:'.

"''

,,.,

~

··~

bl~~

"'""

\1.1,.

hl<J

121

bli. l

"""

T·r'H b\); i

wM.(_

I~~

T·MW

q~,.

\AS

bl;;

l

1'1l~

.,e\

"!'·M!

!HI

b~'-H

1

M.~

;

'jf:\

\

M3

2 'It:

i

i

6

I

JOii('

SSWT·MH

4311CC

liMC

o~r·Ml

W114C

r

1--

u~~u:·~

~~:oo~

--

JJJrrmmrrrr-

..c=::--

!

TAPE

M:tV£.

CON.HO..

1

ITT

il!JUJ

I "

l1S

I

-

--

'1

l 1 I I

"

"

--~-;:i

-,

~

I

1)

~ £ ~

,j__,,,___,,_

-··i

~

~

~r~

OL(!(;

•Ci}W

~·

i;;u

~,,,.

:i·Si.•OC

;1y

~-WX.E

~

'.1~!

Y-!"'J1'£

1,;cq

ya.£C

6'

~

I

..

r~::i

~

(j'1'\

ON.

•1'-\i

+2

....

•'-"'"

•

!1

n~

S:l"E:Eti

l!

~

"J

1 j

VALID

01.04.77

UP

TO

SERIAL

NUMBER 10149

ONO~

;~-J,j'.-

l

~rt'.

1

1 I

'Rf:ElSm:

;~:t::=i:.:..:.

~

-,:

~ -~

~

..

~

SPOOl.l~M()"\"~

SIJH'l~'1

~:t::~3:.,,._._.~

-.,,v

v -

~

"'

~rool.H'(,

TA,((

...

~Li::..-.

~

~,,,,~,~

®

1J

MQlot

l'

()JISH,N

,~2"°+"."'¥.._.i~£

~· : ~[D~!~:~.,:
~

"'()!®

C-. ---

·--·

~ i ~ ~

-

~

m

!AC!-1.l

H(-'O

SEE SERVICE

48.6 : BY CHANGE OF

INFORMATION

L177.31,

'··

...

c.C>

.,

I~

Ii

I~

~

"'

:a

~

><

---------···----·

~

-~-.....

u,-

-

~~1

~t'=

<

1,'11r'i

•

I . i r 1 d

. . r

1

·-·-

Ii

I

~

:!

! ! [ ! I j b 1 t ;

·"

'·

' ' .

:~'

H J I " I I J : J I •!•'•I

rr

'3

1111111

111

I

~:ii

~ ~

• ' 1 l 1 • , , •

' i I • 1 r . • r

...

.,.,

..

,.,.. I I I I

;[[

~j

1

~I

K

! ,

,;

--------------

1

··

r -- 1 -r

I ,

1 i

~ : ~:2,~,

1

! I

I'

1

t1I1111111~111

111

:

' . . •

11.

:~

;·1~·

111M~i

ti

...

t::

1

..

+

J~

1

l1

'lJ

I,

tr

1

I I

-

•'

I

I',,.,«

I

"'

lLt

I

~!~·e:2:gl

:~l~·~~~I

~

...

Iii

I

,m111I1!1

I

11~11;11

::

' ( _

TT

11•'•' • •.

.

~~

:e

g'

:

1

~

. ' '

1~1

"'

1e1•,

•·

j

~

IO'C I -olo·,,,I

1111

' ' ' I ' I ' " I

ii:

I

:1J

I

::•

r121

i·

.,

.. : .,

.1.1

.,

! I

1

..

~

1

j

I H

r

".

rr

.I

..........

---·-····-

,e

¥ c

m1i1~

;i1:r:,t1:r

"

• r

,.

I. " LI..

f1rr

flni

..

,,o:o

o'o

~

~:8:~:s1?.·;;

~

I'

~:::::ii~

•

......

'·'"

~

•

,.,1.,

:

~

S!

~.-:

<:.,

~

...

c , 1 •

"'

!

T

..

. ;

1

~

~fi'\Dl!21{:,;L"J

RE.Vax

877

MKI

SECTION

7/7

POWER SUPPLY

H.JJNS

r-~

'I

:-

j I

[

'-)

L _

_,-

PCB

1.177.311

·.Ji~

6

f))

\1

~<J_O{

' l

Lil<£ I >lk

!

~

Utte:

'l.

1 '

fl~

?Md

I

'...Q/';

2 l

ft!WE.R

CfF~'

;-

-1

(.i.--0

hrn

,

~;~.l~INE;,-'

~---_J

d

SOC!mAT

'$!6

\ ~ t;)

xn,

U.1

7 '

l l

~.-,ft>s

(}

..

q

;~

' l

lriVAC

""«

l

11J~

'fOO)!,f(

7 '

·~s

~

"°

,'<:LO{

' l

'I00·11t0V

ZOO -2i.GV

...

f

<1

.e,.._:;7~}.:;~J('

T-f21.

blu.

"""'

,.

~

~

ye!.

l

Mu I 7

~

~!

nq

b<•

1-ii.. hlu !

-:--2.1

btt.l

1Sf1!C

"''

~·

!tl'.:.IC;

HW

Nhl !

.ft);(t(TftS qr11

j

55~

T-!i!-1

blu

1

'"" ' "·

''"

&IS4C

r-w

11)\'i((

1

red

T-1<!~

blt. l

T "B1

1e.l

!~

"'""'

T-MlZ

,

i

I

-

i

I

l

I

l

;~

1.~AT

n

&OO!AAT

,---·--

'

i

L!U!!!!:;.

~11Tl'nmTifff

.---

--·--·--·------.

TAPE

tll!VE.

f.W'Ull.Dt.

I!

""

"'

un

!!1!i/lf'1'

w

"'

\1

~

i

i-!.!JLlJ

-nr..:if!-----

~

"

"

---7

I

l~

~

' .

I'

J;

. '

15'

,,...,.

3

'i

~

...

I "

,...,.

..,.

·y

"(~'t'

~

~

~

bm DL·(litl

+l>O'i-

~t

-tl'.WW

'l;o

+OOV

~

:it'i

t·OlUE

w!'!i

l'.Pil.ES':.

.,,,,

Y-~=r

'liq

:HZ:

~

~

'"

•'i.t..OV

<E'

~e~

•

~~·1

+

2\

qrt.

S·'9£'rn

I

~

"'

~

~

"'

Z!

tr<

(f•'

VALID

02.10.79

FROM

SERIAL

NUMBER

10150

TO 107301

I

~f

l

~ING

~lJPll'

HOTOl

...

'1

SJIOOUNG

n..K[i.1'

MOTOR

(f.ll'.'il.4.N

!1.l!OR

m

TA.CHI)

HEAD

SEE

57.6

SERVICE

C4.

cs

INFORMAT10~

!:.

(x;

Ii

::j

w

;::;

:D

~

';; ,

....

_.

__

,,,

____

,,

__

,,_,,,,,

___

,

___

,_

......

,

__

,,

________ , __

_

---·---

:·

-·-~·~--~-----·--·--·····

:5U1\ilfil;ll')}(J

RE.Vax

B77MKllMKll

SECTION7/9

POWER SUPPLY

PCB

1.177.312

7'

(ff~

;-

Mk

c-r--o

"'"

b~

~

1'0

<1

1-D.--,

' J

P<IWER

-1

___

_J I

~~~

.<UX

t J

JriV.1NS

r--..... .

1-

~

UHti

I i L

I I I

l-)t'4E2

L _

_,,

7 '

~s

b m Q

X'.Ll:%

' J

'i!Xl·fit!ll

LOO·

~~~

F

1

~

l~V:

! l

U.1

2WY

SOOmA!

1

'-----------'--'--.~

1

~~

:<:u:>.

. ' l

'iiO

'lO«

~f.4:

20~

Otq

"''"""

~rn

'--'-"--''-'"'-~_

~,-----'-'-

------------

:--

H1'

bli>

r-,;-----·--·--·

I

211WIC

- ! r.iiVI

1ti..

T·?\

2SH4C

T·•·u

.53'W'

T·l-\1

IJW'

1·~

&~

T·M!

QiW:

T·Mt

~::::-<;>--t--t-~;

00

t<AI

~11·

Mk ! F?

I

l

i

b\j;

----1-_J

wht

qry.

bh1

!

~

red i

blk ·

11---r---t-I

1--t---+-----t------,

~

j l

.----

l'MIE

DRWE.

CT!tnllf.t

,..!

iITTl\7

-------,

·--H17'.3<2:1-i--·--·--·]41

"

"

k.E::I

~

S

'lio

~

It.

¥1 (Ul·(N!l

1

'"

I

JS

/

~~

_bl~

"

ViO

MU

~

9ry

'

wM

•

:;ti.

s

brn.

~

~

KEY

r

rto:i
rnd

~

LJ_

lp'n

!!.l

..

OL-[!(l

+o.mr

:f-0.Q!

5·SlJOC

s::·u.ur

~·HiSS

)'·f'f.ff(

)·\)Ill

+!l(l'f

+tiov

:~dPUO

~

~

ffi

1'

VALID

24.04.81

FROM

SERIAL

NUMBER 107302

~~

1

Llil_

~r~r

~t ~ ~ ~ ~ ~

r--·

j

~~c~e~~N

~"::'".'.:

8 7

Pl

M .tt

!!

g.~;;.

..

;;.

..

'"

-

~

~ ~ ~ ~

! l\I

j

,.,

s.llOOtlt(.

®

t-VJTOl

'""'-'

-~-k-~~-

,,~·

il

..

_liliH_;: . ..

! !

~ ~ ~

SPQll..ll'tG

TAAE

®

MOTOl

I.JP

·1-

~~

~w=

~

¥.

§

l\~

..

@

CAPSTAN

l

-~

m#

;i:~~lii~~~,u

;;.

;

~

,_

:

i i

'---·

5'{£D -

l't:lTOR

ITTJJI

-I 'FF,·"'m

...

""'

;5

~

0

'"

" I

_1m.J2S,ll1'~

;;Ji

~

"'

(f)

TACt(i

i

g

b

HE.Iii

RE.\foX B77

MKI

SECTION

7/10

:§:"t

•

'PE

DRIVE

-------

PR11'oTED

CONXiCTOR ' ""'

~7iRUPr"Eo

+ 24V

COl\ITROL

PCB

..,

I,.

?RlNTEO CONOOCTOR IMERRUPTED

.#,

1.177

..

315

+sv

~

~

I

!MSo,iQ

. N

·1

I

·1

~~

"'

::·~

j 5-'l.

'~'-:'<&h>

Of-'

5'1n.:1v1

I

~

11

E

lO

5;;

/Ji

I

i;~;iJ;_

u"Q1 I ;,;,o.&-.N"i2:-

~~;

~;::gg~

o_t1.i

"iCc..i.Ous

D

05

0~6-

-~

5<;"!.<H.Uctl .

~~:£12.~~-

:?ii~,;~;~,~=

~~~ii

"

..

I . .

,,,

"'-'

STUDER!

T~p-<1

-H.,,,.

4".l\'

.El.

-~0%

.2!1'!1-

-20"'I.

-21"1-

.J{f.(;

.Jl'f.\.

-~<f%

U:~

tN400l

~

i:!::

~--·----t--H-~

l-N4~

:;;

svi;.

S..6V

!_'!I

444!.._

---~-_._.___._._._j.---i!!!L

::.~~~

:~~~§

;;~!~~?_

~;~-~---=----~-

,...

""' -·-

f

Jti~~~i

r•rb·.,

c""'u~l I r~?.!i.5

,.

1$\'

av

1s~·

"

,.

6.

~'\.'

l:h'

'"

25-Y

JSV

TA

"

~~-~j~E

-=--_i

___

._.,,,.

__

_.._

____

..__!_ni_

_c__

_

__=:__-illf_

--;~~,,_

--i-2'..

m

I

__ , __

--~-!

.,.):·~r·1l'<JL-:

5ilg-~F'r~;tL~

61.~f

NMI~

i

i!f\

~t~r.....!H,

STUDERi

·--

-·

--

·~-

-~--

__

L

!--

!~.P'i

Dn.11"11

--

~-+---

C<on!:r~l,_.

-

-------

s.:r.

·-

_ _

. 40Cldol . '

...

----~----

'~

;

~

..ro

___

::i=

-~

J_

~~"

l.!?7.315

I/~~\

•

i

•

•

-

T,

'A

fl)

f:

~;

~~:~~:!~;~-

-}+~--

-~~~5~

1o:O

3"'4r-4·41-i--.r-,.J.:-

t:_

::-i8:·:~F

'"'

{

;1=:

~!·!~~--

pt

1.t1.

I

f

I'

I;

!L

~~jlit~

<lf~t~

-~;·!t·:~g~-

!

II

1$

:.:il~

,,

..... ~ "'''

-f§-~

SJ~<IL.:4411

_ 470

________

Zik--=

SI

lll~k

4l

45bl

_

~~

k - ;

--

lil'~:!1•:L:.C=

1

~~r

iH'

79

.....

·

~~,

~---+

-

---

-~----

-L---j-=

------

=====-r-=-~~~

-

-----

! I

-===i.=:-

--

,.

•

~-~~t-1

-r

=

-~1~:=J

1

1~:'

"td

::J0'!f!•J!f;Jl!hl;~J

TAPE

I REVISED

!

RE.VOX

DRIVE

CONTROL

EDITION

llfltl!E.COtiaOl.~

TAPE"

PCB 1.177.315

O~IV£

.,,.,

,--·-

~'

~

....

~

""

"'"

'S·!l\).1

S·fotl!

1

i;EW

.

~

•l\V

OO'f~

__.!!.

V'

~'

""

..

""'

•td_

!~~

i~

i~

"'-·-

UllnNG

l(llf'(

1-

i

~~'iil\r

"2--;

.L

~

,.

~

l

'l.

L__

...

...

·rr

t'i(\';

·-

877

MKI

---

~

flS~1

l5fo>'_l

.~,.

...

II

Ill

he

mi

"'

•5()~

at!+
!'l.t

'"

"'

+I

~

I~~

SECTION 7/11

- !

le!.2.3

i•.;

"'

il«AJ.-~lO«l,.,ac~no-·--

_.I

j

PAUSE

H4clclclcIL1 r!·

1

.,,,,;

..

,.

•re

I

~~-

t~(l't

1

-L

1 j I I i !

I

~.

'---·-·

-----~S~'SL~.::

J!'l5

},U

JI;,

""

"'

(i.:l'

!t!CJ!.

I

I

Jg

~

r::t'"

« » !U'I

i

,

....

-1;.,

I

J'._l;.

!U

--

--·-·----·-1

"~

·-t·-;-

f"

-

SAQi

___

rn

"'

·~

J!k

fl

u

-r-

1L'"~---£T~;.&.~

~Ji::

'"

~!"'

~~

i:!

ltlt

St10"'19

r

~~

STOP

t .

__

.,

Uillt,

---

"'

W•

~1

:E"'

"

1-·-

ill

· .

r-+5.ll\I

1

·

~·

I j

-;v.;:-1

__

~1_Rj£_:!_'5

~.,,,

. l

:@•

I·

I

~22

...

;:'1<

·~

'"

~

~);.,,;:;;r:

.l.~f~

~F-

~~~~!--,~-~~~-:::::::::::::~::::"""~~---;-

I i

...

;,:;:i:

1 I ,

1"""''"r<

II

lCl.t)•1~lWC

Q•'Nltlo'tt

Mt

.

'j·K.m:

;;,.i~•11..~

/

mi

--

_J

~~~~~

,,,,

,_,

, .,,,.,

l +

..

·~·

1

·+~"'"

I .

. i .. "1ll

...

'1

~tr.

!

VALID

07.03.79

UP

TO

SERIAL

NUMBER

52699

IC4

MAY

BE

REPLACED

BY

THE

SUBSTITUTION LOGIC PC-BOARD 1.177.316

SEE

4S.9,

52.6:

SERVICE

c·

R2

INFORMATIO~

~

,.,,

l

'----·------················-·······--·

---------·

11

! ,

~

i

----· 1 •

·~

~

!

! I ' I l I I .

i

II

I I I

~

F

···-~,

' J

' I I ' ' I I I I I I I I I I I I

1

11

: •

. i I I

I I ' I I ,.

11r1ii11:~~:i::m:~1::1

//

• I · I

111

1

11

,.,.,

"1"~r-

"h~-

"~

~

" ,

St:.;~;~;!~

"·--h-

1

11111::!~!~1#1~1~1~r~1~*1~t1

'I

!

IT

i:

1

·1-h·-

11

i

::r;~

£~ ~ ~ i t:~·

""I

1

I . I i '

I I

-r1

I

,,~,,i~

:1

i

~r

:::1

0

1

• l

1

r.i·r•

·----'

E!

1111

~~'~

er

i?1"l§l

wl:I

[

!'

I

'"·

~

1

;•J

L!~~

1

;;

~11

-----··----·---------··--

! i , ' 1 , f

" , ' -

iJ

t1~

1

T

lt

••••••••••••••••••••••••••-••••·---••••---•-•.,•-•••

1r

fh~rnrm~T

h -

11

ll1l11

,,

11nmhmr

11

1

I

.,,

r •

:

:

·~

~r

~

ll

1

1'

r·

'

-+...,..

r-

1

11

~

t:1

E

~

1

I'

r ii

n1

.'

!

,

ll

l i

""""""'"""'"""""""W-""'"'"'"-•u-••-•

~Y'f:'i'!J:'b!FJ

RE.VOX

877

MKI

SECTION

7/13

SUBSTITUTION

Pl\

R

p

v

s

LOGIC

PCB

1.177.316

F

In

'W

---

13

J;

~n

-

R5

680

&J

---

----

-

----

-

---

-

----

-

-----

----

----

-

----

- -

----

-

----

----1

+

50V

219

61

i

11

1Q

2

~

l5

.

l\.

__

__ll

IC3
14LS

+

5.0V

R-lO

3,3K

+

5.0V

R11

3,31::

2

11

l()

11

nl

I

~

+

5.0V

IC

3'1.

•8

PROM

R0\47

l6

l+

MT

13

4

7

,----,

JC1,'l

PIN

m

,.

TM.I\

'

91

,.

TMB

11

i

-r-

TLV

1:il

I

TO

'

24-1

+

\4-

5.0V

IC4 !TAPE

(M.11

l4

R12

110

C1

10n

R.14-lt-70~

-WV--

Rn

1+10

I

ICU

PIN7

RS

110

11

O.OV

RC

ES

13

t2

~'

1i

'

680

R1

1.'lk

Rlt

w.

ltlO

1

l

10

IC\=

71+LSOO

IC2. = 14-LSO'l.

11;.

~

c

I

~n

L

-------

DRIVE

CONTROL

PCB

1-177.315i

MAY

BE

REPLACED BY THE

77

SUBSTITUTION

LOGIC

PC·BOARD

---

1177.316

-

----

---

---

- -

---

-

--

-

--

-

--

-

-~·~7Y,3J6

I

1;

\~

I~

,,

0

r-

"O

(')

'"

"'

~

...,

...,

~

...,

o;

...,

"

s:

~

:a

~

><

....................

----··---------------··

~ • ~X~~~~~X~T~~-~ftT~·~-·

····-···-··----·---------

~~~''C~Cg~~~~~ggqgg

~~.

________________

...................

f~

-----------------

-·--····

~~

~~~

~~~)f:

~~

»

e

···········------

7~

~

~

H

"

I

;l

;i;!

~ ~

.,

..

.

·········-·---·-

..

·--

.......................

___

_

............

_____________

_..

~u!'..D~{E(!']

TAPE

DRIVE

RE.Vax

CONTROL

PCB

1.177.317

(877

MKll

877

MKI

SECTION 7115

REttOiE

CO!':i:T~L

T>.PE

DRIVE.

•Mt

r11;@_J

'f.11£.-Et«l.SE.lM\

,-

- 0

!~~

Ii~

LL

__

r-

.~,

....

-...----------~

~~S'f

I._

QO'"T--i

'J2

"'-~·"'

1~

~

,;n_,

bl\I

~

"1$1->l-

>'

""'

"'

·SL!Dt~!:J

•.

!~

S·SUOC

Q?OO< r , I

tit."(~

lG

<nn

!

r~

:J1

ov

t"?--i

.,.,+~

1·H(j!E""!"',.--

- _

~

' &i'=lll!

·~,,;

_;,

..

II~

,

L

·--r11

.};;

•M

{}.(IV

l-1!'.t

S·~lClf'

S·fl.A'f

s·rGtW

~-l3

MME

_

+t;.v

;

..L.

~

ce

! iO(I

i.,

f

----,

"'

.,.

I

"''

gn

!."""'

r---·--·--·-uiU.ts""'Vt!OAW-iot1m·----

!

1

Pl.USE

1-5"~

« »

PL/>.'J

--~--,

STOP

REt

'"

lt1·~tSOO

K.lo•"'Jr..!..$61

tt"J.~1'

...

i..i;m

D

•1'"""'4

-1-------

"

:E'

::Di·

.._.,

""'

'"

'"

I I '

I : ,

• I I i " ' ·

5bt

~

~

~

-----~.

i'.?\

;:::J

.......

,5,

'

11

io\H!

3 ~ .._

112-

~

r

'

·;l.}8

...

L~~"'

t* I

..

I~

j·MJT£

'

!

..!.. '

{~-"'"""

"'

.

~m

j

llf)'·lli

'

I

·~-'""''''"

' 1

j

--

!Ni.ooi

irtlo004:

,,,

l'

• "

t'Z~i

VALID

23.01.81

FROM

SERIAL

NUMBER

53522

TO

52699

~ER~!~ . UU.~ll£

ll?'lt~/jl.\

1.tTr1~s

tt?l'S'.!'t

1.m~1o'

8711iS I

i.1711~7

~•PWi

..

•"4'.i.

1o1Ga

J.51:

...

'10A

'"

"'

,-

,~.

11

~

In

I~

: j

~I

~

~

I~

Ii

I~

...

;:

5

!!l

....

;:

"'

~

9

j m

mmmmmm

um

m

nu

•

.,v

..

,.,

.............

;

~f

,,

············

~~~UUUUi

~;;~~:~8£H~i

Hhinhih

n~F

f~~~

~ ; ~ F gp~H~?~~~~p~~~g~?H~

~

; :

• j lfHljHp

i

mmmmnm

, .

~ ~

H~~~ffe~~~~~~H~~~ffeH~~~

:,;;0::0::::1'!==:=10::

,,,

',,,

mmmmmun

§'<J1LlifG11:'.!fj

TAPE

DRIVE

CONTROL

VERSION

C23 =
002 =

P05 =

R02 = 3.31<.
R50 =
R51

PCB

I

RE.Vax

PCB

1.177.317-81

1.177.317-00:

NOT

EQUIPPED

Z15V

NOT

EQUIPPED

NOT

EQUIPPED

=

NOT

EQUIPPED

=

1.177.317-12

•14'1

I

fm

s-m.r::.

S·'Sltf

HU.)

S-f~

J

$-!!£~

i(fft!f

ttfl?J'O\.

+11!-'(+

S·J1Jill5£ttd'i

S

Stftlt

i:J1,,~f

I

"""'"''"""

,----,;;-:+.~

'ii

[

___

I I I

' I

. I

.:Lt·

~

E:llfilH&LEU

(877

•

.,.,'•

ocv~

~JL

...L.

i·

'ir:

:>--H,,.~

"'~

t:!l

"-'

,..

11m

~

3 l i I ! l

-2:t.-fJ' '

iis

s

~JOC.

i

.......

;,

!ll[fill'

i,

i}'

.,I

i

"'I

I

iJ1

.,.;.~~II

_::~~t-~·

1 I -

SBH

f8 '

L---t~~~h:*ID_____

B77MKl/MKll

MKll)

-· ---i

,

11{.l)'.:

...

lf"L.:.v

tl<Jr'

a~5

lJ~

l"~

.}{Ill

-t~ ~-!tl·~

j;

F-1'!

J!~

-

""

1,7U.'

I l

\ii,

i

I

T

F~

d:;~·

l-'-

·-

1 H

J~

1

a1

.

M!

!4!\i

"''

1 1 i r :

,_

'"

+SY

)]

w,~

-

~·--

,

JSE

~·jl

i

-}

L_.

,.;,

-··:h1vmusr-

lt'i

~

j

-~r·-

SECTION

7/17

---

·-----

--~--

LOCAL

WliltM&ilkf.lo

::

cL

cL

1 L t

- -k-_·

l!iiw-

! I T I I

i i l I

i I i I '

rn

..

..,

H

!ite'?!I

~

-·--~

1ottrn

~

~~

S~P

!

~

J_

'''" --:

syn~r-·"1~"~

~tJ

y

..

_-+-.·

'];•·

~l

~t

J:

~

i I :

~or--1'(s:iic_.__.__.__._..

~:~Fj

!

u

~

4nx®nmh1

]':

L11ur n

~--------~"~'

r----··--------

-,

.. ,

:

-4,rn-J

'

lt1·~t'i00

ICr.•7<.L*

1(;)·"1\.l'S.t~
0•~

3.'i;.

'"

,,

·.

-----~----------~--·-

--r-------

"

i"

II

J]lo

~---

'l

'"

""

I

_J

,.,.,

-·--

- -

-·-

l.J

, !-MW

Ht

,,

~

I..,,

I

~~f~

-~"II~-·""

~~

,..,,

'

_,_

l

i

i

~

i'i~

j.11

1J.

j

ll(ll"JK

.'ifJI'..('

~?i+l

m.Jt

VALID

23.03.84

FROM

SERIAL

NUMBER 100001

SEE SERVICE

67.9167.10169.7: TAPE

57.9:

63.5:

68.5 : C21, C22

INFORMATION

CS

!TIMER

MODE)

RECORD CLICK

END

SWITCH

I~

.....

Im

I~

I~

:;;

""

:::;

(")

:i:

..,,

(")

"'

,.

"

:-'

w

~

w

~

8

I

ll

~

><

·.-.-.·:··

~ ~

....

.~

.. ~ u

:'

.~

:-·

.u

~::

~

tU.uutu..

..

:' . __

~---

i._

i,'

r,.

f

.•

·

~-.'

r

..

f

...

f..

·-"·

(/)

m

(")

....

~

~

"'

;!

;.

'.,·.

t i

...

\.:

-

~;:·~~~;::~~:::~,

~·~i~;:.n·;;~

,~.!.

1

··

-----

--

I

-···~---

•

~CJl!U;!JW'fJ

RE.\lox

677

MKll

SECT!

ON 7 /19

•

TAPE TENSION SWITCH

=

Q¢:::}0.

PCB

1.177.135/136/137

I POWER SUPPLY I

177.

311

I TAPE DRIVE CONTROL 1.177.317

I .
. I

.

~-~A----~RJJ

zl

I I I I

~I

t;J

--

P3

-

I I

TP4

::

---·--J,;s-·t;-

~-2

~

blk

A A A A

I

I

j I

11~:11

I

REEL

SIZE

LI

•!

I

,

lgl

I I

RS

~ ~

* *

!~~Ok

R3

R10 R7

n n

~·

_____

I grn

S-SPEED

bU:

•O~OV

._.d

·-JPa-·-f;g-·--f;;s

J

!;1610,

w~

TO

J9/9

FROM
INTERCONNECTION
BOARD

TO

J9/4

AUDtO

1.177.

210

18

3

4

1

- 3
_ 71/Z"

15"

R4

*

__________

*H3

314

#

220R
220R

l;2k

*R4

180R

470R

2,711

•R5

220R

3,0k

3,9\t

•R6

180R

3,PI<

319k

_j

R6

*

CIRCUIT

1.177.

1

LAY-?UT

07

01.81

135/136/137

t17?

135-

SPEED RANGE

1,

177

135.00

U??.

136.00

1177

!37

t1

_

i7

3

00

71!2_

·•Ur:,

RE.Vax

877

MKI

SECTION

7/20

.

"~

~PE

MOVE SENSOR

PCB

1.177.320

,----

'

I

I
I

'

I
I

L _______ _

iOOOp

Rl\-

'l70k

R3

56k

R1

10k

----------

+

5.0V

'1-MGVE

0.()1/

..

~~

-----

S!l.3L-44'2

'"

;~:g::!i~~

c !;3

'"

so

..

o-1~;.2!;

1)01

51 . .t.L4IC)

s1

.

.it.4~n

!>Ol

jt:)J

S7.4L4SfiJ

~P

•

.U

4~'4

11~:

11,

-'•"

oc

10?

!II

'"

"'

'"

no

x

I

N%

~

~""

li'lr.fitup

I

161:'V

160V

•

T•

• 1

I

~.

I

EOVt\fA\.etT

MFA

6?\'

I

r

lfALID

KE.77

ONLY

UP

TO

SERIAL

1.177.320

NUMBER 24029

lbL

I(:!

i!.~

\f"Q'".a

r-.

I

n.u

i

:;ldJ

1'i

l'i'

I''

lsTUDER!

I

~1

~

oi:a:L·•-"' f,T,.

:>.-,.

•

~"'llf9'Y'"'''"

H'1'~ • f-'l~•t•~

-r

.. , ..

"'-"'•

'.><!,,.._,

-1

··i

I

:-·

1

·=--1

::-

__

:..:_~

i

If!,.'

.:-l.:::~~

iHiji[

j l

___

C~~

;,J.11i:-,

ltM-Ei

1.o1

I

•[

~J'fT.Qlffil'\JREVox

TAPE

MOVE

SENSOR

PCB

1.177.321

,----

'

I

I

B77MKl/MKll

Ri..

Z70~

red:

---,

I I

I '

I

I

I

SECTION 7 /21

3;

+5,0Y

I

iOOOp

I

01

~

~I

4 '

ft

~'10

I

•

I

«___.

v v

"'

~--

I

L.

____________

1.177.321

-

R~

561;

1.. I I

~

~

iO~

li-700p

____

0

I

J

I

I I
I I

whl

: 4.

I

I
I I

blk

L_J

1

)'-MOVE

oov

.

$1'£C1FIC.ATfOHS

~~

5"'

~

--1--1

.!,_£1

_l,...

--

:=:::--==1===1

~-

···"~"''!]

_.01·1~i:ru;,-::1·

ft

01

S?.4L447l

r~··

~~:~~F-=--

-

--·

-;_~I~·~

-

1·-·l""'·"'

lsTUOER!

-==J

V°.1-:-3.5_Q_~

::::i

·..,

':.:...

-------+-

,.~--:,

..

_~,,,,,,

4'10 · . ,

~~=:-~

-----==-=----=

---=-===-;

·~------~~----;-----

_----==-:----~ -

-~-----------

~~=

~~§Ji=11

-r

.•

...

~,,.

,.,,,~,,,

1

l liQUIVAlatT

l6CM

I'S

1

~

I I I

__

£!.__.._

___ .

-

'.

111

- ! - i

1

1·":_

~~,.:~

1

---r

--f--

...

~

Mf"ll.

..

--f--

\!.""" I

I

.

•

•

VALID

31.03.77

FROM

SERIAL

NUMBER 24030

·1~

1;Jl

I~

~

lz

I~

iii

c

0

"

z

....

0

"

r-

-0

"

"'

I;::

....

:-'

w

"'

~

w

"'

~

....

...

a;

....

....

;;:

JJ

~

~

2

~

....

;;:

'.Q)

,,.---

..

q.1

'co;

<!

·--------··-··-------------

:1~~;

...

~:o:::t:~;:::~:;r.~

,..~:to;

)C)(

,.;oe

"<:><::'\:>I

'----------·--··-.

II

ffa;:

~:;.~o~o~

1111'1~"'

"I

\o;: " ...

--"·"·--"-c-------+.--<

·:~~~--:;

~"

"

..

,..

)'!

..

~

;;.a

,.

~t~t

;§li\WIQJlll:in

CAPSTAN SPEED CONTROL

RE\lox

SLOW

FAST

1,

177.325/326/327 (877

PCB

1 -

877

MKI

MKI)

J::_-=\

.=.1_:-\~-;

'\._j

-'=._, !

~AJ I ~~n_n·

\;-

·1

n n

j

L_;

Juu

L_l_,,. I

u I _ w

i,,1

I n

,----------,

_J

SECTION

--

--

-,

,

L__J~

,--,

LI

7/23

--,

.______}

I~

n

L

1--,,

~--1

~r-:J

~?.

,_

J

rv-=~j--c

.

~;iy_,,.,

--.

_.2!...._____..J

===

_j_"

('\rv·-·v~J~

~

10..... r

I

r·

r·.

r-~

..

-

. (,,j v v

11

LJ

n·-1!

L__J

n_r

__J

.

-~--=r~

L_

J

~

-1·-~~

i,._

_

I

~=-

.

··---~---

@

1·-·--

1

®

® ©

I

I

A"

3;-rr~

Q~

O·Tll!ll

~is

I i

1<>--i

mq

I t L

SlllW

t

I

i

I ;

•1\

O'I

PIN CONFIGURATION I
14-PIN

DUAL-IN-LINE

RS

l()k

r----------i

ol

·'

;..1,>:?'-i

~

. '

..

t5

1'

~I

.

(;!1

"'-'"

------·-·-·-·-i--

.,.

VERSION 1.177.327:
INSTEAD OF THE

REMOVED IC2 THE
SUB-ASSEMBLY
TACHO

TACHO

10?7'"40

AMPUFlEf?

AMPLIFIER

1.077.740
INTO

THE IC2 SOCKET

IS

PLUGGED

I

~

~

~

'

i

;l

;,

~4jl

. ;

t '

0

REMOTE CONTRCL

CAPSTAN SPEED

•7~

.

--

® ®

Ill

•G>

°'

Rli

1,5'

.

--

. --•

__ • __ . __

SEE SERVICE

63.9:

CAPSTAN

TYPE

HS

STD

SLS

LS

I SPEED

I 7 .,.,.._F

13

11

115116"-f 7.rtr'

--·--·--

ltl • µAll!PC

SN1&131

raA

211

INFORMATION

START

..

''~

,)

3j4•·_7

1;"2'

7/8"-3:1.'4"

CAPSTAN

I

SHAFT~

906mm

4.51 mm

3.0l)

3.0(l

·--.

mm

1m1:

Dl

09

"1!<•'43

__ • __

l

@

---·-----·-i

bl•

I

I

M1'11

I

tthfl

j

Ql

I

I

93J_b

~11

JO

l\li , "'

•

__lliQUI._g~.325-11.

C-MOTOR I SPEED

NO. i

1.02u20

i.021.300

1.021.304

1.021.~304

CONTROL

1-177.325

I

i

1177320

I

1.177

i

1.177.327

I

®

'

"·

+

•IC.I~

i.1µ

'

:.i.

Ml·\

J~,'\'

I I

I

I

I

I

m

~~·

I I

l

~

iL

i

TU·M;

00'/

I

J

SPEED
CONTROL

1.177

325

1.177.326

1.177.327

326

625µs

833µs

1666

C8

*

l 6 nF

1.G

1 6

nF

5.6 nF

T

1

2.5 Vpp

µs

3

4.7 nF

I

i

·17

G"B

10 oF

nF

'lO

C9

*

\j

u

Vnp

Vpp

nF

nF

00.04.81

~mmm

mmmmmmmm

'-----------------·-----·--··

...........

.,

....

,.

..

.,,.

::::::::::::::

~~gg~~~g~k~

i"!'f'

:;.';>I':"? f'

ff?Ffr??!fr?f?

-;:~

·;:~';~

..

~':''ff

f

~;:·;:-;:~-;;

~·~

!~m1¥~~11!ig~h?
~ j ~~~

~~ffe

~ f ~~ ~ ~?

1ffe~~1?

~ H ~ ~ ~? ~ ~

-----

..

-·--

......

Ill

,

-------"'

~'iJ'llllfQ~

RE.\lox

B77MKll

SECTION

7/25

CAPSTAN

SPEED

~~

:

CONTROL PCB

SLOW

FAST

1.177.325-00/-81/326/327

Jc~

-""~'::_;~Ji

-bJ\Af-\:r

(877

-~

-111

®

MKlll

IL__Jlc._)'

' -

I nsLruu

®

,--------------------------------------------------------------i

o<rt>m:1

!

~

10,,------------ll-LI

Cl1

u•10p

~JR

---'

__j'l__J'L.

©

::__JI

--~~

-----i

L__J_

LJ~

@

;-~,

-

t~

81,>.l~lo><

--:-r

~

~~'-!

'

®

----;

••

r-]

;;::

_J

..

l-

:i

-----u-u-

L_.1

®

r-i-·

·-~

Lt~

s

-~~-

-L--2~-~-

~--

--~-

@

..

____._

/~

,,/'--.\

/.;'-.\

.

l,.J

v

/ _

'{

cy-·--v\/'

®

_,...

··1

~

-1~

22.03.84

fASTt

1

SlllWt

+'!-LOV

PIN
14-PIN

L

---·

CONFIGURATION:

OUAL-IN·LINE

-----·--·--·--·

13!

~

t=Yn

1---1

~

I ,

I

'-

TAC!-0

!077~

""

J.,,MPUFIER

-

_;

VERSION 1.177.327:
INSTEAD OF THE

REMOVED IC2 THE
SUB-ASSY TACHO

APLIFIER 1.077.740

i

IS

PLUGGED

THE IC2 SOCKET

INTO

--.---

i

"'

P4

"'

:&

__

-.--

~

"'

I__j_l

! VARIABLE SPEED

I CONTROL 1.m,33-0 I

L

_______

·------·---------·--·--·--·--·--1.,AYOUI.

VERSION

1.177.325--00/326-00/327-00

010

=NOT

EQUIPPED

R 7 = 820.n.

SEE

SERVICE INFORMATION

63.9:

j

CAPSTAN START

TYPE

HS

STD

LS

SLS 115/16"-1

33/4

11

SPEED

7

112··~15··

..

-7

1/2'"

7/8"-3

314

7/8"

..

CAPSTAN

SHAFT~

9.06 mm

451mm

.3.00mm

3.00mm

C-MOTOR

NO.

1.021.320

1.021.300

1.021.304

1.021.304

SPEED
CONTROL

1.177.325

1.177.326

1.177.327

SPEED
CONTROL

1.177.325

1.177.325

1177.326

1.177.327

«7131?~

T

625µs

833µs

1666"'

C8

*

1.6

nF

L6nF

1.6nF

5.6 nF

I

u

1 Vpp

2.5 Vpp

3 Vpp

C9

*

4 7

nF

4-7

nf

fi 8 nF

lOnF

<

)>

"'

:;;

r

"'

m

lg

m
m

0

UI

m

n

....

0
z

~

i

U:[

r :

1

r

mu

~.[;:['.;;

mH

~

i.

I

::ID'TI'f'd~.fil~

RE.Vax

B77MKll

SECTION

7/27

VARIABLE

SPEED

CONTROL

PCB 1.177.330

VARIABLE

OFF

ON

t

""II'"

SPEED

r-=·--R-5-----t·:

.

I

I - . I

- .

.,.

Cl

68p

01>

!

6

,_______

! l

I
I

'---·-·

_,_,

1.177.330,-.!!_.

r---·

--1--1--1---

!

""

:El

:i:

:a

I-

x

w

u.

w

01

ct:

z .

(!)

)"

AAA

P5

P3

.,,

:;

::;

a.
a.

:::>

11)

.;..

P4

REMOTE

CONTROL

CAPSTAN SPEED

---i

!

b!k

I

25.08.80

I I

i CAPSTAN SPEED CONTROL 1.177.325 i

:; • i:tE.Vox

877

MKl/MKll

SECTION

7/28

..

'

VARIABLE

Dt'MilON

SP.EEO

CONTROL

UNIT I EXTERNAL

,-·~

Rl

wht

~tk

:$:~

10k

hr.

COAR$£

Mt,

L iW:1%

·--.

HNE

S\c

m

1.128.045

1'<,li.NOj

•:·.·l l

;,~

;,t.

<:.t44

-I . .

,

~; I ;;:!{::~~~-

-

Ii

--

_ 1

R't

~&

lt!k

RS

90,S(

f'/.

.

--

.

--

·--

___

I

S2

flm

'IARIA&.E

1f1t~

_ _J

1-SUPl'l.1

org

j

'i·R.tFE:U

wht

,

~

blk

REMOTE

CONTROL

CAPSTAN SPEEO

org

"01 1 sf.4l.4.H!?

~"1'.41

~1<>,<~.Z}_

. E

...

~·~'!"l

:

~~ I flf~~;t~I

-=1:-~s~~

==I-==::

1

~-=:=----;

I

sru~~~

l

..

. - . .

~:;-~--

~~II

4H!~

:=:::

l.e;.;

16

l".~

-;o_9

~

;~ --~~CHJ_

~....

c:>efl

__

~._

... _ <:SC:h

__

1-..

....

_J.~l--

_-..J

...

_tt"-i---

__

· : ..

-::

~-

--j-·

=~-::

.c~~~r·~.?~~:~.aq'~~~t~

---i

:.::--·

·===··-i ·-

, •

~r

'"'i{)j

__

J

__

!:.E!:i'.i

'r

·

__

_

_

!.~-

..

==J-

f

iC>ollTf

8

i-

_J_

!_

j{ii

::::

j.Hl

:{il

-

1·

...

~.';i

';'•

ff>

,,,;P··

l

"""

f~

t

:.:i

,

..

...

;:

I

\,•,

iO.

·.<;!

1

:J~

~.·=···=···ei'

" .

'i

'O

'O

~;I~f

.• , ...

,.

,,jC•_,,

'

,/·

$

:!

.

~

.•

"

4 e

01

·-------------------------------------·-------·

7 7

~tJ<IDiQJ®RJ

RE.\lox

B77MKl/MKll

SECTION 7/29

REMOTE CONTROL

i

I

1-·----·-

I

c:.

1

I

I

~~~

UNIT I COMMAND

MUI[ « »

@

SWITCHES 1.128.040

---·--------i

Pl.Al

STOP

l£t

~·.

~

..

"

"'

"'""

!U

-

ll«

~

'"

--

''"""'

- t(C I

,I

_J

REMOTE CONTROL
TAPE

DRIVE

l'OSffQI

I

~

gi

1

~~:~~":1~~

j

b

o,_,

I

"'"':·~·

o oi ·

S~_:,:~3-Z

I

Q

02

S0.0Ll'.l311

,,~-0

-~h1~~1~~~1~~~~~~'''~

__ , ____ , ___ , _____

----•----•--!

!~:i~~t~t!_;.=J

~~~~-

~~

___ , ____

-----·---·

-J-~-

=::.::1

_:-:-.=..=1===1

--·---·---1---1--

~~; ~ I=~~;;

,,

II

~

~w1

s I

DC

117

A I

~l_-~]~;:;;::.·=~~,_:

-1~

~1---

-·-~-

-~·

--

~----

,

~

.HPIC

....

_,__

__

I

____

-=:1

'

--

_-

-

~

~:::

----·-

--·

·--

!::--='~~--~-=

====

.::=-..::~~-::.===

---~i--~-+--

~~~:_~-=~~~l!/i~~~

STUDER

I

'

j

La11!-rkl'~r1>St~_\lupunt

LUtll.04

~

:AGE

o1

1

05.04.78

$

I

!

.,..

:, .;

COCK

DIAGRAM I AUDIO

RE.Vex

877

MKl/MKll

SECTION

Ell."'8f

>1€"0 >l£.O,!)

7/30

Rf«l'll~

~£All'

"'"""""'

ll':'Ul'il;;k'JUl'I

~·

ovrn.<

IA

·""""'"~)

""w

(---'

~

L

'"'--""m,,;.-r

Cw.Min

=""~ i ~-~]~~[.~~~

H\.,_ ......

;UT

~<l

..

'll'ot<.

D~

~

~Ml!Cu

<e•@-~

~\

/

l

~

.;><.>r~;..'T

-

I,.,.

1/2

REPRODUCE

I

r':rm------~-J

'

I~--~;.

L----------t---+---;

I

a;(;ILLATOR

@

l!E<'.CHIO

~

'1"m:.lT<:111

:-:~~~

f<fftl(..:>tJCE

~·"

~:£

AMl'LI

FIER

::=

J

T'Ql'lt(l

... T

C>IAAl'i£!,.

TOLfH

{.HA'<hf'-

'l'o'!'VliTME

swm:::>1

MONITOR
AMPLIFIER

I

EJ

'

i

I

i

!-

...,,

...

,.,,,,.

[> t

·-----·--i

VO>.UlllE

!llO!CAT~

-·

HEA~il!

~<ell

M\Jllff(I

Slll't"l!:lt

6.81

---------·

~

0

5

z

<!!'"

~~-~-

......

"""""""'""'"'""""''

~

....

m

~

0

z

z

~

....

5

z

g

RECORD

AMPLIFIER

~;

l \

t:I-'-'

~'>--!-!-

-·-·-'

---C'.S

'

~

(;I

"'

~

-'

~

::i

£

~

]

"

iii\;!

b~

' I : I I

~-'

'--···.

lli.L:..i...:

--·

..

1.--'...:._:

.. -...

~Lt

-'

_I

L }

'

~

__

MOrJITOR

AMPLIFIER

ii1

¥

~

g

$

~--4--····

~

~

;,

"

8

"'

s

-~

~

~-J

'··'

::.;

-----~-_/

~:·~~:r:J

_________________

....

···········-··-···-/'

"

~,'u'i'i!fll,Jm'[J

RE.Vox

B77

MKI

SECTION

7/33

INPUT AMPLI Fl

M!C·L

RA~IH

~UX·L

MIC-R

RA~Q-l

AIJX-R

ER

PCB

IHl'l/lllGllAlfGt

!•

+id8VUJ

4/S•Y.

..

ll!fll'

J6.wr

llk~

(>

t-,

llk~

1.177.220

lhlf

tto•~

I I I

I

no<;:

/WIJJJfl'flT

~·lf.P!Hl

M1t

LO

!«

..

RADW

R-+L

AUX

I

fi'

Y·'R.(PJ·L

-

MtCLO

...._

!!!£1!!.o

1>.00JO

I

F°

.

·L4-J

tz•

R!l>L

--=

OFF

kEC·R

-

OFF

i--------

)'-INP·l

--------

--

-------------·--~--·--

ti•

'''

••

1ttO'ly

/

'...!l]'

,"111:

I

~-LflfltOMTn-i

.LEFT

i!rnh

i

~

9rn I qry

I

L=-_

_ _J

•

•

11---.,---~j

Ql

-------------

r---i-·

1·101

I

-·---i

IC1'PttH\

)>"1<f'fl~HlH

•n

15>

IC1

P!N.7

h

71

4--7;1QV

"

,1

OQV

.,

llOk

OH

OK

±Jl'Cn

lJflll

Y·INP·R

Y·f&k.·R.

+--~--+

tis

lip

t.8-k:

'"

'"

L

___________________________

~

I L ___

~cmLrotn.OLI

.~r

~,·LVtl

;Wht__Jorg

I

i !

r

~

Sklo<j

cs

.

•

_J

"'

'°'"

_

1C1•UAB!

Y "II"'-.-

rn

llk

_,.

"·

"'-

sl

f

c.;;:;cr-vv,----,-

R!

1i.;n:.

1H72!0·!1_J

nrc•

1)

VALID

29.09.78

TILL

SERIAL

No. 38284

SEE

51.3:

SERVICE

C10,11,21,25

INFORMATION

IOSCILLATIONi

§

~

~

II

1:!!

m

..,

"'

n

"'

....

;,,

"

~

_,

!

~

~~H~tlf

~ l ~

mmm

:~::;~:1~=

'''"1'1f?

!i1!1im

,;

1~

;

ll

;

\

1

~

1:

n.

:.§'ii'QJlfillf~J?J

NPUT

REVox

AMPLIFIER

PCB

1.177.221

877

MKl/MKll

SECTION

7/35

lllllfSIGll.llm

['

•iii\tJJ

Ml!>L

:;

USaY.

IA~ll-L

• l/!llY

AVX-L

~

!$11Y

ml=

MIC·•

j)

•>Wl·•

I>

A.V'X·l

~

IS51'0111'1!f

..

llar

I

I

I

I l

I I

r I I

I I

j·~Jf,-R

'°'IC

LO

UDIO

~·

)\:

R-H

MJl

0

0

.ri

tzt

~

ft l

:HiIPl·L

l'oVC.LO

~

R,1,{110

0

L-•l.

.a.vi~

~

I

0

l_'Zk:.

'\

~F

Off

-

-

REt·l

l£C·R

ON

: I

ON

j·f1K·l

I

t'l1,0V

1·1N"·l

Y·!NP-1!

,-----·--·--

n

t

'~

~

!10

___

_j

"

w

'""

~

km

r

!

INPUT

lEVELCONT~ll

~

il!!;Mr

..mt

f"''<J:

org

1

J

~~

ll

~n

lilt

'

Fl

~(

~-

,..,..../

I

1

I l

L.

.----,----

1 •

!0V

j

'-...

I

L.

I

f

I

I

LJJ;;,

lt1Plt<!t.

h1

"'

JCt

IC«T!>!ll

l

1l

P!k7

f'iITT

'lnaY

I

j_

•

--~

"

"

Im

«¥I

Ir·

i...7t

~~,

RT

lt,7i.

j'

:.j.

ti

i

,.

I

I

+UOV

HEt·L

00<

1-~EC·R

VALID

29.09.78

SINCE

·1

SERIAL

No. 38285

r-<>

t-<>

i

..

Ll:_J

-1

1,,

Y-fe.l-11

0

I

j_

L_

__________________

-----·--·---·

___

----

----

___

------·

LAVOU~:_'l_7

2.:t:?.~11

!

·n•···

1ECORJ)

RE.\foX

AMPLIFIER

PCB

{NAB

SECTION

877

MKl/MKll

3

3/4-

71/2

ips)

1.177.230-81

7/36

p,·

LEFT

EQ. ECl REC.
FAST

SLOW

LEVEL

,----~~~~~~~~---,

BIAS

ECl EO. REC.

TRAP

FAST SLOW

RIGHT

LEVEL

BIAS
TRAP

1.177.23().81

,.17'..,.

I I

~:urli'l

111~-~

1 '

dl"i'.·.,

1

I 1 !

1

lH_

,

iIT~u_<:r

~'-c}~

1

1

-·

1

1---

,_

:;,;;:.',JI

~i

I u

,,

H ;m

1'11

i------ i
..

~

11

I I .

1111

~I

.!.1

.

'ii

;

::::i~

r

••••

p

~::::r

<•••·F

"····"'

<·••·H

{

....•.

c ••••

;.~

{

•.•.

n

<

••••

.;:•

~

.....

..

l······

....

.,1.-:tn

~•.:n.oi:•~

~t

~.e.<::l.~~~o

7,.

•••

1

•;:.!)~.!)

.. ~ ..

~

••••

,;i

·!

•••••

~

m~m

e,,,,,i

~

•••••

?

~

.....

)

::::::~

•.....

~

,,

••••

1

~

....

-~

:::::;:;

"····ll

*····!!

.....

~

.

........

.......

~

~

••••

1•

~

••••

p

~

......

.,,

•••

n:

~

....

];

Q,,

••

p

·····"'

·····l•

~

••••

i•

~

••••

1~

~

.... :•

~

••••

1~

"··--~~

~

••••

JC

~

••••

.'!•

.....

)-)

~

••••

I•

~

....

)•

~

••••

~!

~

•••• r•

~(

•,;.~·.~·~~

~e.e1.11~""

-..;,!)J,l'.U;.);<>

.,

.~~-=··""

,i;.ci.N.'tt-

!!1!1

•-;.n3.~•'t

n,1,.ozi

~lollo4lH

'*•C?o•U~

<T,;i

...

~~

n.u.n-:-•

•hl

1.41 ~ ..

<J.:t

...

s~;

~t.(:.•l"ll

•·f.Dl.•2;,J

q,,,

....

n

~?.:~-·~~

..

·~.l

l-'i'!

~'·••·•n•

~··•J.4})l

v.n

...

1•;

<l,[J.•2?4

~··•l·"'"'"

•~.tz

...

;n

F,!l,4~"';

~i.n,<.nJ

\1,•l·•l'>4

q.ll.•Hi

~~.~1.~.rn

~~.t~.~in

:'fn

··••Oh•

~-'

/l<!h'1>e

HO

N<' ~ .

'~D

''•

•M)to

Ff

-.t.•n<'••

•r

~\.

~n-111,

~

l•to

IUo

(t

.'nt

...

I'><'•·

'""•

..

!)

...

..

"

;-1\.

~l!V.

;!)\,

~!)y,

ln~,

~"••

"

MT<>

"

'"'·

•fot>~.

'"''

Hl'l'o

:rt.

lN>Vo

"

~\,

•0lWo

..

\,•OOYo

"

l~\.

H't•

"

;ni.

•-(Xl'(.

"

;~\,

1>;6Yo

»~1•

l"t·

~-o-Y.

~,,,

•(W.

!<'\•

-s.w.

"

•ot.

1u~.

"

nt.-111"<.

•tH

.~t.

·~~

~t

............

~\.

~Jn."lj.

"

"

...

,,,

...

~

.......

$«•?

"-•P~!~

~···-~'''"

IQ~

un

~-

,,.,.

..

•t.

0.2~

....

U(!

)o3Ulh•

2?

"""""'

,

..

1;.ri

~g,.

:so

~"""'

...

l<O'>ll

2209"<•

n Hll'""

•·'

"O'>•

6.1

..

U<>•~

·~

HD°""'

no

~Ol>OI

!DO

~'>'!>•

H-Ol>e

••

~N>to

~?(>

l~k{)!>e

'•'HPr-,.,.

2<:>~

n

~,,,,...

~<lt<oo

~~

~"

~°""'

ONo

.-

•:'.JI-

~

~

..

°"

..

-

9'>•

(;~

"•

&.is~.

t~

at.

<lol

'"

<:~

m

~~m~

g

:mmi1~1~

~I~!

n .•

i~

••

-~

...

L~

~'•

(;.;~

...

H

n.

<J.;~i..

(<

<t.

'-'•l~"'

H

~t.

~-~~

...

n

~\.

<:!.?~~.

(~

n • .,.,5w, ~~

~~.

u •

.<~w.

n

~\

,,.?~

...

t~

-.t.

~-l'·"•

t•

~'.

~-.1·

.....

,.

~\.

;..1~-·

~·

ltHQiPOSHQ

'~~---f

I

~'-1' I ZJ.e»-.r/./t~

'"7.1

1

?2

l

·; _ _,,,

l S:.-"":aJ,o:u2 I

._.fl.?

!

'

..

t !

~.1'2

!

R_g

I

,F.;.

/;.-.[;

!

1?6

.f_l

.'<9

IC?}f':l

I

rn---+--1----------··--t--J

Ef:=i

~~:.=--F

.....

~.!./.-kS;

ii"'~$"0227

s~.,;i..1_,,;27

::-avJ:o31~~

;-~.,;,1.410J

f?.

.::JA../4':,~.?J

'7-.#./.?.2-;;J

S~:f:r_.;:..~-:>;r~·

s;z.~~~;:s

$';?.../-t.422~

.S"1..f-.~f.1'0S

S!.±!~;<;;15

.

.11,4.1<73

I AS-CW:

!.·{-l"f'W.i?

I

3'Po/

I s.JP.r

7-fr~.KJ

I

'iiY~

,/Ok

,/Ok

};J."A'

;u

:??-,....

27.r

2Xif

~fl'

I .-!".-¥ I

l-.

i--

,_-.

._c-,__.,,.,n?

<-.7-.-cc,,..-~~

IPftll'ICAi~'f'"-lllT

CT

L°7.t"

;:<-.::::;

...

k/

A;:w

;:~r

-

~

-~----~~-=-~t=1

-l

I

1C1.81

~WJ!ITI!!fu,'"5,l

RECORD

RE.Vex

AMPLIFIER

PCB

(NAB 3 3/4-

7

1/2

ipsl 1.

177.230-81

877

MKl/MKll

SECTION

7/37

LEFT

RIGHT

I
I

+21.0\1

~-REC-L

oov

~-REM.

I~

ioliL--r

110

~"'_i.i.j

I

------...i

~w

I I

'

·~

I

~.

,~·rr

1100µ

0.1

2~MO

~W

'

!

,·Ill

I Rr..tflW

1

i

···

I I

I

llC107B

n~

•

v/

I

,---

R31

S,5k

I

Im.

R21+
8'10

'

122p

CIS

122p

Si.OW

-------------·-····----------=-------,

R21

100k

Rl7

~

RJ8

,.--lOO!;

I

2::1~

R1i..

lt;lk

R30

lt,lk

+

1µ

a+

1fl

~R31

I

I

22.llk

'lWk

Rtt

5Sk

RY,.

5Gk

,·n~

'

'f!>Ok

10.1µ

I

iz,rn

I

H~

Zin

,.,._n

C'IO

To:1µ

__

·--r

""

I I I

R28

·\-(

R2~

561;

m

[BK;ooj

1+7µ

I

1vn

I

!d50MYI

R39

lJO~

'

r'

+2UN

T3n

I

I

I

REt

-REL~~

'1!

I

I

~+·REC-R

1

! •

I

I

I

~J~S

REC-RELA~

uo/.S

..

LEFT

3G

~100

RIGHT

E

100

13.01.81

Fm!

SLOW

I

I

I
I

f

330

L_

________________

_

---

--------

----

----·---.

LA'~OUT

1177

230 -11

----~

I

I

SEE

63.7:

SERVICE

MUTING

INFORMATION

CIRCUIT

1.177.21$

m

c

c

0

"'

>

l:

..

!:::

.,,

n;

"'

r

m

.,,

-I

!

(I

"'

z

>

....

"'

;;;

~

!

~

'

,,m

l;

p

-I

com

r o

O·

:;;

r

::u

mm

<

()

m·

r

-IOJ

,.

lJ

~

~~-

'Tim

l;P

-I

Ulm

ro

O·

:;;

Cl

r:n

"'

::c

mm

<

()

-<

m·

r

~~~~~••~•~•••n~•

~ t ~U~1;

~~!;

Ht~i~

:

::t~!ii~:t::ig~

..

~~.H

..

'

~

H~hi~~~h~~?Ui!ii!Ul

~mmmmmmmm

~

';

·;t~-;

·;;~

::::::~g:t::t~

}~ ; ~

';;~~

';;!;;

~';;

~~

';.

';:'~';!;;~';:'::

r.'j

~n"t'.':

ti!~~~;

SHH

"i

...

, , , , , ~ , t "

R

:

i·

i ,

-- --'- . -

i_

-f-

I -

-1+--

t ·t

,;;

~ill-

n~~r~

1-1

g~ifi~~?~-11.a11-l'~;t1

,:.Hr~2:;[.~

~t~•k"diifok:.:.:.£~§iW

ll.\U.~~\\~'4.t'i'l.'H'4.

'.j

~

i:~~~~yl:~Tq;+-,n

'i.

~H

~n%.i

't'il.

1.

1

~-,-,1~11:

}~

1>,;)11~i

I'_

i T

..J._l

_1,-;-

, ,

~

f

.;::.'

L.J.

',I-=

·-:r

____________________

J_

___

!:::lt

I .

~J~~~

J

§!i"f\lil£<;1[c'.D';

RECORO

AMPLIFIER

I

LEFT

RE.\foX

PCB

(NAB i 1/2

•21

ov

':1-REC-l

877

MKl/MKll

- 15 ips)

1.177.232-81

-~~~--~~~--~--~-~-~-~~-~

-------------------------------1

..

1----~-~---~--~---t---~--~-~--~---~--....---1,__

~

..

I

~

llii'--.

~w

,~·er

1oo:i

!.,..,.,.

i

"i

/

p p

IZZp

I

~~

..

'l

"-

+11Y

i

f,211

_j

._,

"')q

£?

12:7n

SECTION

,·~~

l'f11K

FAS1

Cf

7/39

"('""

I

RECLE•ELI

I

Cl1

I[}-!:

Iµ

r

I I

I

Rl7

~R20

'l'lDr

56~

____

R'11

100!:

m

Rl~

fK

-t

___

_..

+~OV

i

<1~~~:1

\

BIAS

TR/\P

!

I

REC

·Rfc~~

LEFT

z~~

' •

ClG

l~p

I t

I

:

~I~~

3~

l(JO

13.01.81

RIGHT

FAST!

SLOW

10

I

I

I

f

~-REM.

!°LUI''

<ii"!--"

:13()

----------------_J

L_

-

---

-

-------

•

21.0V

Rlil

m~

E

Rlll

1K

_

-----

_____

---

_____

---

____

---

_

---

_____________

CIRCUIT

(L"-Y-OU'.

f.177,

1.1'7'1.

232-81

_2<32.

1'

-

1·t).

BUIS

SEE SERVICE

63.7:

MUT!NG

100

INFORMATION

CIRCUIT

1.177.21\

·

·· · FIE.Vax

B77MKl/MKll

SECTION

7/40

ECORD Al'llPLIFIER

PCB

?2~

llEC 7 1/2-

I

1·

I

I

I

I

I

15

ips)

EO.
FAST SLOW

...

1.177.233-81

LEFT

EO.

REC.
LEVEL

BIAS

EO.

TRAP FAST SLOW

~

0

RIGHT

EO. REC. BIAS

LEVEL

TRAP

1.177.233·81

S1\.Gf•

c

(

(,

r

(,

c

{

c

t

t •

c ••••

c

t

(.,,.v

t

~

l

......

......

v

e

!>
'i

-a

c

~

;;-

JI

••••••

11

.......

~

11

•••••

11

~

•••••

"······

11

••••

•••••

llouotl

•••••

9,,.,14

"····1

•.••.

•••••

•••••

•••••

.....

••••• n

·····lZ

• •••• n

·····l"

•••••

~

••••

•••

~

••••

(,.,

..

,

(

.....

.

~:::::~

r

.. , ••

4

to

....

,

r,,..,.,

~

••••

1'.!-

t

....

I)

(

....

,~

••••

n

....

,

..

•••

l~

••••

;.,

~

•••.

n

••• o

••••

1<1

••••

i~

....

:1

....

u

.-.B

:~

••••

l•

••••

n

••••

n

1-;;:~~:;;~

.....

i

.....

}

1.!~:e;~;;~

:

;

•••••

;

•••••

2

•••••

)

.......

•••••

4

••••••

....•.

•••••

8

•••••

~

?

.....

3

•••••

s

b

•••••

1

p

ie

u

u

~

u

11

u

1•

:~

l'I

H

,.i,

2~

U;llr~""'

'•«•••

.'1UC~

~~~~

E

'"''""'

n""

.........

·~.t.·.·~'"

:::g:;:;:

~::;;:=~~=

..

"H.•1·"'11')
.._..,11.Hll

0.1,ti.1>11:

~

-w,,_.,,,n,.

H,U,h~<>

....

~<1.U.~•'"

~::;;:~~~~

~::::::~;~

~·-~J.ol)t:-:;>

~•·Pl•lll''i'

'fll•~'•t'•H
~~-~~~:-.
St:.ll~~~

mlf§~

~~.

51.ll.4!1~

s1.~2

n.u.•1~

s1.11.•1~•

~!:~~::m

~7.t:.4••:

51ol!o•~tl

immm

1~.::.0:1

'>•.;1

5!.11-HN

~t.o:."UJ

~1.ti2.~nl

~.a.Hw

....

n.•tn•

u.~,l!~

8C

!~

~m

lt.<~'~'

...

n3

...

1a-~

~ftll~O

~-·

""

...

! .....

l

~f

h'

~,

....

~f

O:·.~I

.,F

u,,

~·

M'3

,,~

·-

~·

UJ>f

hl

~·

'"'

•·7

""

"~

~.<a

"'

47(!

.,~

HC!I

;;~

.....

.,1

..........

ifl•

Hli

Ull

C"•

lo"< Ont>•

?21'C-7>•

IWIU)I>•

l~i;

1<01>•

16ktlll•

::ket>IO

2l

~!!~•

~.l!

•$•

~""

°""

lWktlh•

..

_

Hll

Ot>.

uo

k()t,•

IOCkm..

U•{ll>oo

8~0

~

lOQkQM.

l.S><OO..

?~

•t>INo

U•..,....

....,.UFlU

~~ll!fl•H!""'s,

~!::

lillt

:~;: ~g::

Hl1•

l~\,

..

..

'"

·~

-

-

~:: ~:!~::

i.»o ~ ..

,_,,

:E~

,1;,{l,1'••''

~~:

n,!l.25ot"

J~:

~t•

'>t.

~t.

lOt,Q.\11,(F

lDi.

nm:~~'~"'

~\, "P"~'

N,

•l·

.. ~ ...

..

,

..........

'l•

~"W•

~"'·

""""V,

ml.

~.,,..

•

!"l·

-~

...

u

l'J\o

'""•

f'

'"''·

~e.,.

n

iM.o

'''"'

'1

l

'h

!·~"·

!•

I~:

H~~=

~,,

..

~~==

:!

5!1V• 0

::

HlV•

p

l!'.IDh

~l·

,,,,, .. oov.

>(_

'11•

..

c~v.

001

..

$1•

'~

~

....

ii

....

'"

'"

..

(;~

I

••

<~

<J.nw.

u

~~!~~~

~~

g:iE:

~;

~=r~:

~~

0ol~w,

(F

(!.~~.

(~

~.:~.

~F

'hi

"•

c•

T,,.,,

((l~

'~'"""

*i-

11'/St

e;

!

_l/.~;-1

::;-:;.

'i;.,,;'

[

5.,..,;.r:;~?oL;;,7

1

k.~;

I-~~~~:/~

z],f'--t I ;-t,pit,1e>J.

6!.Qj_~_::

-TP.?r:f.,i~b~:'?3

.-f'~

i

Sr.4'-l.:..2.<J I ?7A:

Rt:--

r

.s?;~-J:.:.}::3

f,a;

!

:.:7.-"{.:,..z?3

th

i'

SU<422.<

"?'!tfa'l-

..:f7

I

,.':f:Wl s;.-f-t.¥-:".:)5

,__,1---1-~---+---1----------4-~

I

I

~~r-=

»"'3/i:c-

7f~Y.,..Y I -~--

I

.....

1.r:.1_.,;7?

--1 3.'b/

I

i

I

!

j

.

.._4-1.:J'J

I

___

L_:<?t'

=-~

'f,~.J

,..a.i;

;·,;;~·/

;.',J:J"-~c.,.-~

2f...~~

21'k

2?ir

J,."/

,/Jf

!ll'tcmcAtlOH5JlOOIY~~!HT

;~-

.::

,·.t,f

fa.::.•.:-~,,,.

PC"..F

Te~

//)I(

_/qJ(

... t

~-------+-J

i

I

c~'

:w~~-~~l~t$

TS

::;

,~

~~

L:;~-

2;i:;;r:,,-;[r,l-_'.;.r]

!/.r-:,,_....,,r-,,

c;;-.:~,,1

I

PL

I 1,'./?,i'2'3"-a>

Ii

! I

I"".,. • .,.,

I

-l

I
I
I
I

·!}_;1.81

sntt~1t.-.T1r:

..

-s

r

~

....

~

....

•••••JI

•••••

•

....

~

....

.....

.....

•••••

.....

Q,,,.3<1

;~

JO

3~

n

)

,~

)~

J?

~~

..

5:.u

...

tr.'t

....

11

...

1 .. l

n.o."""'

~~.ll•'>U<,

0.11

...

n.11

...

·n1

n.11.•2Z•

"•lt.•:D•

n.11

....

n.11.•w•

--

·-

--

l!ll

--

·-

--

--

0 ..

--

--

--

"I\.

~t.

~~

•.

n.<>.iw

~t..

~\,

~t

..

1.ol!ol•>i;.

n.

O.l~~.

~l.

<1-l~

~.~

......

l!.lill.

,.H,.,

•

l!.l~~.

~.lW•

.:

... ~ ...

...

~01.11";'"'-0"

6

Ill

:§'if"'!l_ll!Q;~:(Ri

RE.VoX

II

- RECORD AMPLIFIER

..

•

LEFT

•

•

•

•

~

-

I

-

PCB

(IEC 7

+Z1.0V

°j·ll£t·l

OOV

1/2 • 15

.i,:.,

1.177

.233-81

ipsl

.

---

__________

----

B77

MKl/MKll

-

---

-

---

__,~----1~----------------,--p-----.,------<~

-

---

,/

.

---

~

j+11vl

r

-

---

SECTION 7/41

-

---

-

---

.

----

R\7

m

+

R11

56~

R'!\

IOOk

.

----

-

----

£..i5

iin

---

+t10~

.

---

-

---

.

--!

REC.·RELA~

lf.FT

3,3n

'~

I

&IAS

E-

100

!

1

13.01.81

RIGHT

F~ST'

SLOW

T

HUTJNG
11'17.

CIRCUIT

215

I

I

ROS

ml::

I

I

I A

1/t·REN

I

i

u•AS

"'

REC·

RELA~

RIGHT

3E

'OJ

'HEt-R

15

R;l

&,6k

Im

~2~

8'10

Ct9

tip

stow!

+

I

I
I

I
I

no

L

-------------------·----------------------·--------------------

.~~~~~~~~~~~~~~~~~~~~~~~~~~~~__:~_::__:_-:~~-~

CIRCUIT

(LAY..OUT

f.1'77.

f.!'77

233

230-·11)

-81

I

I

I

SEE

63.7'

SERVICE

MUTING

INFORMATION

CIRCUIT

1.177.215 i

I

I

,,,

'"'"'":!"'RE.Vax

RECORD

AMPLIFIER

PCB

(NAB 1 7/8

- 3

3/4

ips)

B77 MKl/MKll

1.177.237-81

SECTION

7/42

PZ

..

--ei

LEFT

EQ. EQ. REC. BIAS EQ. EQ. REC. BIAS
FAST

SLOW

LEVEL

TRAP FAST SLOW

RIGHT

LEVEL

JJE

TRAP

1.177.237·81

uu

;•l~/>

....

r;

i.1110

i'i.'.10<""

·:~~

.......

,:,11

~)!1J

·H~

~.llt."U

i:~!

.. ~ ..

:!i1j1

l»&

...

~"'

8-~

......

RH()•!'r

*"'°'U'l(~

..

l•

..

)1>

K

U•f

"'"

~m

am

'~"'

...

?H

l.i ~ .......

...

z.u

~::~:t

I~=

)H:E

~:HE

~~~

.::

~1~

~::

uo.~

!GO

k°"9

!~

~::

~;~kg::

1ol•O!>lo

~~

:g;::

~-·. ··--·------

ei-...

.. .,

....

....

,,

~:::::~

<

.••••

.,

.....

1;.•i•i

....

1:-••?t

·~-n-•1.;1

r

•••••

$

-.~.~i.<·n~

(

......

..

...

~·-···"""

~~.n.•i.1~

(oo++~

........

(

••••

!(.<

'"•n-~.,~

~~

•• '."+Ml,,_..

r

••••

n

.....

~2

r

••••

1;

,

....

,,

·~·1\.<l<')

H+U•'4'~'

[

••••

;<; •<:,

11.

~~-1:.,,.,11

~--··l!>

Hollo~)1;

t++••

l

~

{

....

;~

••.;-'•H[11

......

~

.... 1 ..

HoH•"I~•

«.::.~

~::::fi

~'"•U•~U'.I•

c

....

n

~·U•8•'°

...... i ..

~.Jf.HC)

(ou+l<,

~"-ollo'<U(>

<,<O,llol";!!)

c

••••

~1>

•~+llo~Pi

'····l'

,

....

i~

,~.1t.1>~N

1.1n.n1.t11.>

~

••

h.i

t-?o(<.Un

,.,,1.1)1.!!'.!"

~

.....

}

~;.(~.i;.::

.......

1

-.~.H.'.!"Ull

~

.....

:

~~-~1.<:n"

~1,.11no.,..

~ • ~

c-

f a

c-

.....

i

"'i·~l-tl

~~.,..1)

g

......

1

::::::1

!t:fi:~:i!

;~~~~~~

§~~~~~~

R

.....

t

~

•••••

?

::::::~

~'>,!lo41!ll

~?.11

~e.<i;

~;:;

~'·ll.41«

~;:~~:!i~~

1!!!11!

~

....

h

:::::!:

m1m11!

:::::::

~;:ii~i!1

·····l"

~

....

;,:i

:::::~!

g~~gg~

~;::;::~~

57,1,.~~n

m~m

~:=~~::g~

-·

~·

!"

:::

:~

~:

p~

...

---

:;jj!

:;;;~

~

!?.~

lim

i1

m:

I~~:

:~

<,t,

;•IW•

'll"

n.~

..

Pr.

~\.

--

"f.

H~:

~:

~i;,~

m:

E:

H

Hit.

1!>0'>1+

l'~TI'

t<l\o

H!~,

~t

<;\,I~~.

•Ul'

<,1+4(<{1"<,"

~t.

"-M-'ro

..

~

.....

·~···~

.....

;,,.,.

....

~/~,~

"'

"'

...

""

"'

'"

Ill

d~:

::r~:

i:

,Jj,f'..-/ j ;"t,.1.1.l,,1()3 !

·11.r~2

I

n.H.£rlc3

L..U'3

_ 1

$>'!."".-"'",;2?.J

~,,.,,,,,.,,,,,

~I

srt.-.r..:..-:-:.3

.t6

l

S"l~t'/~?3

f'7

!

s7#.i.<..?~

r..?il..P.-P

I

...<-~

-1:-;~

,,,,,1.5

·~

,-$"~-f'J'.'<"...-,-.;_"l.'5°

H-+

I

I

I

I

I

~\~;~.

~~

tl)~_.t,I'",(.~~

(Jj-i"°:"-./Z-',"C

~:~:-.

_:;a....:;...

~:"'=J:J'._'~[i!r!

!f'(:t,.:,~9'

./Ok

! .10N

i·

I

.~./..*'-

·

27;-

+-----------i---i

I ;;?,·

! .2?.I'

I

zm-

I

../,."/

I

_,,,,_.,,,.

...

c~:'ICvrl'

i"'-I

un2"'-a:>

i·~·

?,.,..

~

,;f=D~·--

!

11

Ll:.

oo \ n-:=n

-v'J

/~f-.

I

1

._/

I

II

~)'c,:;:~jl

'11

ml,

I

11

~'-'l.i/

1~l-1·11···f·····.i··•;i'

~'1

LC-----1~.':

I 6

:

1:to1 s1

-

~

'~,

.

~1·

< r

,'

r\~~-·

~ii

,_;i

'

._

.. 1

__

-_};,

,,

0

ii

w

.,.,,

'"'

111:

~Mli

-,1

LJ''

'111

~~·_.)

___

-:

-~

l"<·

..

::-;,'ll),

~U!

~.

11•111+

·········----············-······-··--··---·------------------·······------------------

•••••l'f

~7.U.ol~'

•····l<:

~1.1>

...

:::::n

1iiiil1

n~

~~:n:;m

11!11!!1!!

$l"Ei;c•~ltotl011",,

:;;;E

;;~:E

:~~

~:::

n.

q.:~w.

..

,,,

!l.l~

~-i.

';.J~~.

'''

ll.~~w.

•t,

(l.2~11.

~lo

<!.J~ll.

H.

'l.~~'<•

"'·

.,,,~

•l.

.,,_.~

.,.,,

<l.l~"·

..

,.-.i,:-...t<

.,,

';.J~ll.

...

... u

...

v

{<
(<

~·

{<

< f

ff

t<

~·

t•

fQll=<All"'

~'\Jil-l)JJ)@:L~

RE.Vax

B77MKl/MKll

SECTION 7/43

RECORD AMPLIFIER

LEFT

PCB

(NAB 1

+Z!.OV

':HITT-L

0

OV

7/8

-3

3/4

ips) 1.177.237-81

~~~~~~~~~~~~~~~~~~~~~~~~·

-----------------

---------·--·---------------------·--!

R17

l

2WI:

Cll

I[}!:

1µ

JRECLE'IELI

...

!J

•.7

n

_1"1EQ

FAST

--w.'ln

I

I

ftt

~·

R21

f"

Rlli-

1~

I

Rl8

"°°~

•tl

I

OV

2~t·REt:-L

. .

I

I

REC·RELA~

LEFi

E-

&IA~

100

I

I

+11

I

QY

13.01.81

RIGHT

FAST

SLOW

t-

R3~

2'WK

en

,.~r1

1

[}-±

I

I

I

R37.

SGK

I

RiO

il

18

I

R!

n

·--

crs

Fp

.,.,

C'10

r1~

D'l?

lhrr

I
I

HEM

I

1~1·R£t·R

I •

I .

I

REC-RELA~

R!GHT

3E

olAS

..

100

I

230-11)

I

i

i

SEE SERVICE

63.7:

MUTING

INFORMATION

CIRCUIT

1.177.215

l

jo

1•""',

•

I

4

I

I

f

<i•-------------------1

L_

330

--

-

--

-

---

-

---

.

---

---

-

---

.

---

-

--

.

---

.

---

.

---

.

---

-

___

CIRCUIT

(LAY-our.

"1-r"T'l

U'7'7

237-81

RECORD

i

RE\foX

AMPLIFIER

PCB

(NAB

•z=r::::t\

1.177.215

15/16-1

EQ. EQ.
FAST SLOW

7/8

B77 MKl/MKll

ips)

1.177.238-81

LEFT

REC. BIAS EQ. EQ. REC. BIAS
LEVEL

TRAP FAST SLOW

;

0

lh::

..

RIGHT

LEVEL

TRAP

1.177.238-81

SECTION

7/44

~~;4l'H~1!'•1«

'~~HvAH"'

····--·····-······---·

,.~t.

!!><!~.

C.~I

"'

C.<H""'

'~-11.~l·"

•'·.\:

·~•·'

~-·''""'

.,,,;;.•rn1

Wfl

.•.

,.~.

•~·•

•~•'I

"'~

1¢•

.....

};!.

..

...

u1

n~

..

'iH

...

n~

.....

~1

lo46~;

ltl~

••

u

..

...

~~~

5~~

~~'

..

·"•

""'

.......

"'

~:~

~:

4, 1 "'

..

, "'

""~\!;>

,,1.,,

<),!J;

.,F

4l(l"f

~;;;

~

(I,~

'"

... ~ uF

.~

~~~~

~

~.•ll

,,..

..

10

pF

)Jtkl~

'l·~

..

h-

!.,.,,..,

~<Hi'-~

o.1171.l~H'<

~•\II'!-

·~

m

"'

!E

;:~

--

~

n-

•-

N-

--

·-

n-

--

--

~-

--

--

--

·-

--

n-

--

--

--

--

~

H-

U-

no~"""'

1;8G

Oh•

h-'

~tlt>OI

~~

~<!r>oo

~eo

o....

UOO.tth•

•

~!ll>e

nc

°'1•

uo

~°""

HJ.If•~

JOO•ot.•

l<'lD•O!<•

'"'""•';nn

·~."

•e,;:.~~·•

'"-l'o~.,o

~::;:::~;~:

••,n·""'"

····•1

·~.n.

,_.,H,"l'''

••••

t~

-0,11.e.."r

q,n.~1~•

••,,.>,MU

····=·

•->,1t,61n

•••••

·r.

••••

_>)

u,p,~"'"

..

,.;,

•..,.,J.>.~11"'

•••• n

-w,;,•,H7'

·~.1 i.~1~:

···-~·

....

~~

•4o.;'lol•1(

~

...

~i.~~ei

'"·

l'l

::::;:

....

lhbJl2

l.lP.:31.:.,;

~:::::;

i

.......

~+.~1.~N·~

~

...

~;.<';""'

~--·-·l

N;n:H

l"<C+

"'t~.'<t.

-------·········-····--····-··--··-------·········-··-···········-···-··-----------------

,Ul

~-~h~)q

:

•••••

t

"~-";,

~

.....•

~.~}..'!Ot

~.(:J.,,..}~

·

.......

"f!-"'-~"'~

~--·--~

>it.n.:i.,1t

;:::::~

"-t •

.e~.'l<.l~

~.o,>;<o~~

:;1

•••

--~

~>o11

,r.11 ...

~1.H.<>.'H

~70)l,

~1.t1.41C•

~:.n.<>1~•

~?ollo+'iH

~~.-et

....

ci.-.in

~7.11

~1.11.41;~;

4~ol

4?.!l.4.!.'4

!lollo4:1~1

..

~.11.4

p,11

~f.Uo4ll'4

~t.c?.4U~

!Ill

Hollo~~~·

n.11.~en

H.ll,41~4

:::::f

..

··-~'

;,

...

~~

H:H::m

.....

~

..

~7ollo4)5•

•••••

J~

"'·11·46~1

n.ti

•••••

n

~

1.<

....

:::::;;

...

u ...

~?.lh4N4

"••o•H

~l.l i ·•l~•

.

···-~··

.....

,~

~7,Uo4~~'

•

••••

H

~r.H ... u

....

.J~

~l.l

1

'1ollo4H·4

~··ii

~

•.'t.

c~tw.

~;qp

t.<1.•

a(IOI.

""

n,

.•~()v,

..,..,

Mt.

1:••

H

21)'lo

•nov. ~ ...

:.n:,

rn,.,~.

~

l'>l.•

•oy,

~I

''-""•

~u•.

n

,.,,,

~D•,

~I

l~'l•

•Uh

I!

l:3'1o

•(Iv.

•I

J<:'lo

oe.~v,

H11"
1•1l.. 1<1v, n
1<J1.o

;(I(>~,

Of'~

n

...

rr!lY.

P(

..

,.,

..

.,.,.,.,

•c

t<;l.o

It•"

~1

l(lt.

\(l(<V, ~ ....

Hll.o

•<>¢Yo

><I'(!~

Hilo

'<O"'o

IP

i!>l.o

~w,

O

li~~~

:ill~

;L

~::

~~:

:~

~H,.ll<lj>

~-n·<t••r.

1.H,-

!>'!tl•llAfH>lt1

...

1~

J

~.;\;U>l~fll?

-

-

-

~·

~-

.i!:

~=:~:

~;

i!:

~:m:

~:

~I~!

~,. o ...

~

...

"-'•Oo25'co

~l·

(!,;.,;,,,

~-.

!l,n,,.

\loDol!iW'o

~"•

o.:~

....

n.

~.;-.;,

n.

o.n

..

.

~"

().:~

..

.

n.

~.;

....

.

n,

!l.i~.

~"•

n,15.o.

--,

I

'

'

77,1~\$NO.j

#~~~J

I

~~---!-i·"'~;,;;1·

l---f2L:

.iij;;i

i i I

r-r

I '

i=r

'At<THO

=~I·

7.1 I

,;,HD.?-"'

[?2

f"'?~.;>

! • '

·'-'"305./Z

n.11.4Lf_,_jffik-t==================t==-

\ki·,;;

;

;;~:;-,;~;

f'.;, l

_.-.!>..-t!l'.4-L?.J

I ,

.

.r:.:v21

S.'f.t '--Is- I j

f

UC•~

3

I

·f~

I ;:;,,..

-·-2;,,.

.JS''-+-"'"-"""""'---l--~~~,'~'--1--

?.<'Ji

..

~.,

_?;1-1(

·">¥

j

..

llf'l(:l1l(:Al!ON$.'fQVfVAlElllf===-t=J

1.

.<Y.r

--

fa-C?'<-f

"'"

J;,./

--·i

c-~--ir--+~-----l-~

I

I!

. j

i I

, I

I

I

...J

J

~

i I

n

!----------!-----+--~

. '

I

l(!;I

j 'ili:t·

.;~:J.:YJ

l/:~h#.t

C«u11'

I

"'-I

""f7i.Y.>-w 1

... , """

~:3.01.B~

6

§>'TI1LlJ!QI~

RECORO

REV'OX

AMPLIFIER

PCB

(NAB

+Z1

OV

B77 MKl/MKll

15/16-1 7/8

ips) 1.177.238-81

~~----------t--~t----------------~~~,------,------•Z10v

SECTION

7/45

R21

lOO•

---·1

i

I

LEFT

RIGHT

R17

210k

+

Ri4

580

~39

100k

--r-

C!7

3,3n

~

I

it71Jp

I

'tt

I

&IAS

R8:-RELA'J

LEFT

100

I

I
I

,---<r---------------1~-r-----....------

R:IS

(It)~

t-

R3~

220<

I
I

!~:

I

I

l

1M-

2H.

5't'°

I

~~1oaw

r r

r+u~

I

en

l[}-t

1µ

IBill@

>R>i

SGk

I

RiO

68{)

2,'lro

~Lt;.

>'LI

R•o

100K

OV

BIAS

__

,__.,~

ns

))n

TRll?

lt70p

I

I

I

E

BIAS

100

l

13.01.81

FAST.

SLOW

I

I

I

I

f

330

I_

---------·---·---·----------------------·-------------------·--

C!RCUlr

(LAY-OUT

·t

f'7'7.

238

7.

f7'7.230-11)

-811--1

SEE

63.7:

SERVICE

MUTING

INFORMATION

CIRCUIT

1.177.215

~J!!IT@f\J

RE.Vax

B77MKl/MKll

SECTION

7/47

OSCILLATOR PCB4 TRACK 1.177.240 /

2TRACK

1.177.243

,--------·-·-.

--·-·-·-----·--------,

I s

I

55Y

150kWz

R

C1i

2

'I·

BIAS

81.t.S-FR

SIAS-SR

I

•

F/\ST

I
I

t

SLOW

B!A~

----R

1.177.242:

15.04.81

VALID

ONLY

T1

= 1.022. 192.00

FDR

EARLIER

Q.OV

VERSIONS 877

CB"

8200p

I

-H~

:

c1~u1r

~-

~~

1

m.2.1.oh•2../z•3

~-17121,0:l_Z

HS

___ • __________

•

___ . __ • __ • __ • __ • ___ . ___

* VALUES SEE CORRESPONDING POSITION

UST

·---

____________

•

rr:u

mmm

:!J<"O

~m:u

ro

II

~-1Jn_;~

RE.Vax

B77 MKl/MKll

SECTION 7/49

REPRODUCE AMPLIFIER

3

I

I

I

~

l

3

~

' I

PCB

{NAB 3

H·REPR·L

HllffE

56""

H·RtPH

314

• 7

1/2

ipo)

.----~--~~

i

I .-

I

1.177.250-81

tit!

Ilp

gg;"l

~~

~~-~--~-

----------------------·----i

~'Im-(

LI

Z·TRACK:

l&OmY

HUCK:

lf!mV

QS

llt!J76

L'L

111,

f_W

"

i;ln

k

+1Ct1

::i

iiiµ

I

~·5

1t

----------...---

~l~Y-LINE-L

OJl
&.«IT&

+n~Y-UNE-R

•21µ

:l90

10!

+

210\I

Y-MTR

O.O'I

)'-MON-l

Y·QEJ>ll·L

:1j

)'

I

Y-MTR

2

(877)

1 IPR99l

•

1APE

INPUT

(877)

{PROO)

)

/JIJmY

Ro

I

Sll)W

J

C26,D1,R47 ARE MISSING FOR VERSION

00.07.82

L _______

1.177.250-00

------

·--------

----------·----

CIRCfPT

11-\.

l'·MOIH

i:l!

• )'·REPH

1.~'7'7.250:St/LAYC}UT

1.~'7'7-25<?-=:E.J

R-+L

HIM

• - I

.,,

"'

0

"

0

i5

m

)>

;:

..,

I~

"

Cl!

"'

z

)>

"'

"

;;;

'"

!

:a

~

><

i;;i;;~

,,<

...

-lm:D
r-o

,,,...,,

-mm

Gl<-,,

J:m>l

-lr-O

~

;:

"'

i

~

~ffffff~~f~~f':f~'f

H?~H~1~~~~1~~~~

'------------·-····-----------------··--

FH

~~~

---------·-··-·-·---------------------······-·····

>!;)"li\\!l(Q;~RE.Vox

B77 MKl/MKll

SECTION 7/51

REPRODUCE AMPLIFIER

3

I
I

I

I

l I

1

3~

~'I"

PCB

(NAB

71/2-15

I

'~

H-1£~-L

IJi)<

!

rEPf.-L<l

!t

.,.

7

~·MUTE

~

56(/k

I

""!'"

I I

ips)

1.177.252-81

+ICS

1~

•

r I r

r-~

I

-S-LG.VJ... l,..-,

ll'V.pl

ROS

mt

I

'I"

--

---

-----

---

!]Jn-{

L1

Z-UACK:

IGQ111V

115111V

_J

Q5

!Cln~

[

!

HUCK:

~JJ

-r=

g-

I

--

- --- i

=i

R11

,,

1 r

1N:•.a_

I

..

.,..~Ir.,.

r·~12k

>,:;µ

-_-_

~

&_&<

!lit

I

121:

Li

15&0p

r

I

1

ii.EPfl

IR

mill

cw

s~

101:

Q&

llC101&

H'

HW

100µ

Q\t

&.107&

~t_g____.R:_:.

~~Y-MTR

---,

I

10! • 2Hl'I

l;;[

Y-LINE-L

Y-MTR

I

I

9!

ii-

o.ov

1->f-MIJN-L

iii_

H£i'H

HEC-L

:21

__

fil.Y-LINE-R

18771
(PR991

1

1i:

TAI'£

INf>IJT

IB-77)

2 IPR99)

I

H

.a_

M

r---i

:

&mvl

r----'

Ro

l

SLOW

C26,01,R47 ARE MESSING

08.07.82

11-I

-

~-MOlH

Ill

-

~-R£~-R

--

-

---

-

CIRC~IT

L_

1-1_'77-252-_81 I -

f

•OR

VERSION

1.177.252-00

LAYOU~

~~50-13

R-+l

1<

~-R.EC·R

_J

rrll

mmm

-n<-o

-Im

ro

·~.

:n

---.

-

·-

~®RJRE.Vox

B77

MKl/MKll

SECTION

7/53

REPRODUCE AMPLIFIER PCB (IEC

H-R£~·L

3

:o

I

l

HME

I

I

56/)k

H-R£!'11.·l

I

I

·1

I

r I

8

71/2-15

I

I

ips)

1.177.253-81

----r'Nr-

~g

~~

.,.

R?l'i

1)0~

2.2m-<

~L

~

~

Wk

LZ

L1

i

!-UACX:

'

4-IiACX:

R

nu;;fl

//5tnV

J

I ,

+IC11

!100µ

<"5

1<

·--J

Rt.i.

;go

10•

..... --•

tt1_

~·

I

Y-MTR

----------

+----!----Wlr-'I~

~l~Y-LINE-R

C1

•11µ

210V

Y-LINE-L
Y-MTR 1 (PROO)

O.O'I

MOH

1-M-L

L->R

___

!B771

1k

}

,I

llJ'(

lliM

(877)

2 IPR99l

S-l

.a.

M

IJIJmY

L

Ro

F~T

SLll\\'

C26,D1,R47 ARE MISSING

14.12.82

~-MtllH

10

I

l

I

L

·--

-----------------·--·--·----------------------------

CIRCUIT

1.1~7.Z53-B1/

LAYOUT Ul7.!5Q-1"3

t

FOR

VERSION 1.177.253--00

~-REPH

R-+L

HEM

lk

SEE

SERVICE INFORMATION

63.10 R17

Ii

Ii

'm

"'

Cl!

"'

z

l>

"'

,.

..

.,,

'""

........

~",.

..

'"~

..

~

,.,, " ...

h

~

1 U

~ ~ ~ t ~~~

~&U

1

~ ~

~~

i

~-~

...

~~~~:d~~:;;

~

mmmmiHM~imhi

~

FF::~?f~~:H~~~~;~~~~~f;H

~

?H~?H??H?~~?H~?~H~~?~

~

';:<;.:'~

·;:i:,:f~·;:;:~·~-;:Q

~-------·--·--·--·-------···-······----······-····-··

..

"'-C. ...

..

.,.,.

... ,..,,.....,

tL

U

tt

t

i~t~~~~~~~k~~~~~~tU.tUtU

..

:~i~!.~:L-t~t~

~';:';i';_

';:";:~

::~::~:~~~

:~;,::;;;;;~;

;~~};HHf!

H

-;:-;::;:

-;;;;;;:

i

~~

~

~; ~~

I i H

H

i~

i

;~~m~mm;~~H~~~H~H

;;.~

~;~?~~¥~¥f?~f~;~~~~~~~~~¥~

~Hm~¥H?H~~m~iHiffe;

~,,J:)!:'.':!

.......................

"'""

~':'"~·=~

;t:':,ll

,..,.,.,"

·~"

=r

~

...

·=i'

,..,

"'',...,

:;-::

""

~

~1J'LcJiilll{~!R!

RE.Vax

B77MKl/MKll

SECTION 7/55

REPRODUCE

AMPLIFIER

3

,1,1

3

HST

SLOW

i

L C26,D1,R47

PCB

(NAB 1 7/8

lo

I

Y·EQF-L -!l

f'

~·Ells-\.

,.

,o

I

I

I

I

I

I

I

I

I

I

1·MUTE

56()<

H-R~-1

0-RE~-R

10

I I

' .

, I

I

10

I

4

l

+

ARE

~-EQF·R

HQH~ll

MISSING FOR VERSION

• 3

3/4

.----

I~

I

i

1

°'!i;.

I

111

T

1,

<!

5

i

;

_

17

.......

i

L

ips) 1.177.257--81

---

;Jg

=eµ

1~

Jg,

=rµ

1.177.257-00

i!e

'1<l<

1g

1~~

1~

Rl5

llOf.

I

~J~

[~lu

z.TRACK:

/GlmV

fl<

R

115111V

~-

~&<

;J

•

--

I

'

~!

100µ

I

I l

Ul

6,1k

_&a

F"

I 1 l

01

~N.4-1tti8

f~~-1

'

Fm

I"

7

~~f'"

SSllp

L.;~,,

"1!3

i,71:

J_~

i,im

"1.

~

~

cw

ii~

Wk

---• ---

4-TiACKc

~---1

'""'

<'m

L@~~al

R<,S

ft

•

--

~~

IDµ

I

I

=r·

I

r

m

tk

Jg.

l

-mi.

_

--

•

2

·-----·---:i

Rl

f.Jllk

~~

!100µ

:r-.

1 t I

G7

&~ i R~

131

•1

liXJI'

___

:1RCUIT

~

~=-~~u~:-250-13

I

Qi;

&.~a

•IQSV

IH5

ll

@_}1._

R2C

Ok

Rl&

'8

Rl!

U<

~

Q1l

&.

f!BB

+n~Y-LlNE-R

•?2µ

l90

i +

2fOV

111

Y-LINE-L

.,.

Y-MTR

~

oov

11i.

Y·!()N·L

T"

tti.

MEPH

!877)

1 (PR99)

iH·J.1

~

I

i

I

I

I

Y-MTR 2 IPR991

I

i

i.1.

l

ni

• Y

T"

J

~-

MO!'·R

·REPR·R

R.-+L

Htc·R

J

WE

lllP\JT

(877)

~

1k

~

!___,,

I

IPmY

;-------

/ I

Ro

I

l

I

c

08.07.82

r r ::i

mmm

...

<.,,

-tm::i

ro

:n r :n

-mm

Gl

<.,,

:tm::i

-1

r o

in

"'CJ

,,

0

0

c:

n

m

)>

31:

"'CJ

!:

...

;;;

,,

"'CJ

n

"'

z

)>

"'

~

'"

~

~

!

...

:-'

"'

ill

I

8

...

l;:~

~)

ll

~

mmmmmmm

!~ -~;:;;;_:;;~:;~

~H1HH·iH~iHhi:li

:g:;t~

~:;:~~

'

mmnmmmmmm

i

~?Mimm;m;i~:tiH~i

!

nmmmmmmmm

~

~-;;-;:-;:·~~~;::;:~;:;o;::~';:~~~';:;~~;::!;:;:';;'!,:.';:

'

.,.,.

-r

.<·

"'"'"'t"'r,..,,.,..,..,,.,.,,,..,.. ,..,..,.'

u

LL

Lt

i

itE~bt~~~~~~iU~tU.itUU

rmmm

i

~~

~; n ~

~

;;~~~~;m

!~:Hrnp

'"~

; §i

; ;

t

r~HH~:.g~£H~~~~~~~~*~~d

;;

t t

,..

\~l:.'i.~!;,<,~.,.~

...

;.~';.'";.";,!;,;.~

~~

;;~

~:~?~???~r~?r?;.?g?g~;~~~

li.

?~~H?~§HFH~~~~~~~f

:.:t~.::.:;~~:::.s;-::£;~::.,i::~=!:f:.!::::

r1•

, .

..,,..

,,,.,

..

!;:;.~;;.;.'";.~'i.';.

';

'

j~

?~g:

Kl

n

:!

0

z

~

~----------------·-·---···------------

-···-··-··--

---

.

.---------~-·--.

---

~'fffllllQ.!!~

RE.Vax

B77

MKl/MKll

SCCTION

7/57

I

1

I

REPROOUCE

al

i

I

AMPLIFIER

PCB

H-!m-L

(NAB

15/16-17/8

-.

~-~--~~-~~-~--~--~--~~-~~-~--~--~--~--~--~--~--~--~~i

I

~~·

u.REP!H

~

lz

rr

:o

I

Ml!F-L(.jJ.

~·EQH

~

Y-M\JlE

,.._

In

I

10

I

I

I

I
I
I

l

560•

ips)

1.177.258-00

gg

1µ

~-

&

J..~

_r!

~-::,

~,,,,

'id;,

rp

R'>I

ROS

tlOI:

Ii

~

1G

l?I

- Y·REPH

'210V

Y·LINH

Oil'/

Y·ll!IN·L

L-•R

_j

~

)

60mv/

t;

!

Ro

I

•

21.12.81

3

f"A;T

Slt!W

Ql?

&.UB

~-!El'M

O·kEJ>H

10

I

1

10

I

4

I

~-EQF-R

Y·EQH

L

--·

-----~---------·--·---·---·---·-----------------------

Li

10~

R

QS

llC1058

+

IC1.1

100µ

258-81

/LAYOUT I ff72'50-!3

+

~.nµ390

CIRCUlT

I 177

~Y-LINE-R

I

f

TAPE

1NM

Y·M()IH

Y-~EPR·R

R·-1>L

1~

HEC·k

0

"

J

z

::;

0

1>

"'

3:

~

:!!

m

,,

?l

!r;:.

:II

~

)<

"'

"

.............

"..,

......

",.

~

.....

~"

........................

~ ~ ~

~~ ~ ~1~~1

~

~~~t

~;

~;::

~;

g;

~'.::~~;:::it~

",.

~~s

~ ~ ~~~~

i~~g~£d

111rn11h!H!Hrnw1111

~------------··----··--········--------

·····-------····-····-

n f m

mum

mmmmmm

---------·-·-··---·-----------······-····--·------~

877

~.W@!fil>\l

MONITOR

RE.\loX

AMPLIFIER

L:;>~~~~~~~~~-,

PCB

1.177.260

MKl/MKll

R'"'::>-.-----1--------+----------------------------------.

RElWlOUCE

1'M!'Llfl£R

~

+t\OV

~-

1S

·--------------------~-P~-L

~

SECTION

7/59

~

1/'~+/-~

~

5 3

* 5 *

wl

~

;.,

---

'

!7-------------------~K--r-~-r~

INO\CA!OR

(FAtTOl'J

1RIGGOK

LEVEL

1'.£).DJUSTEO)

~/,rrai-

/ « /

~ ~

.::'-

_r--·;

·,

I
I

I

I

l

L_4

s:

..

~t.lvg

'IOU.JM(

l"'l_

VOLUME

l

~

........

25<

R'll

1.'?i-

..

r.tll7!

I z

+-HIV

6

ij;1

rn

u.t

~

..

1

ru~·~;'~"

Uli

fm

~

~

_________

_I

~

~

;.

+~

il6 ii.I

,,.

l"

r I

; • t11.'1

1

[------

1.11

---~

tt

+nic1

Ul~1M

+

RIG

1;71;

·

11

jJ

_I

.;.

!

~

~

"

I

RI,

U

220

!lJ)

~

9_~

_

_]:_

_..J

~

~

~

a D:: '!f

:..,

[ [ '

~

Ill

IJ.116

Rll

..

______

D't

ill

" r

"'

l

~

Cf7

+ lttO'l!

,,,7µ

r

R!.2

tm

m

>ak

:.r~

r,,?t

.

__

J_i_

l<

Q~,

331;~~:·3

+W

RS!l

t"'

1"

~Rff

ilk

.

..

!tO

w

I

A

______ . __________

.:-

~

l

~

ICll

ICll

PHONES

1

~\5,

I "'" I I I I

HTr~fij;~

R"1i

'-Jk.

~

llM't&

&:mi

~

Rl!

~

«)<

~,.,..,.

,01

R'ts

S60t

R41

m

I l!Q

SGlik

~1'

'iOii

1 1 1 1

Q6/v

&l07~~

'O&

ll!JV

RlS

l.!k

fil.i?

R311C~

mt

...._

lti • LMl01
lct•lM:l!li

ltl

•lC•55!

J5

->---i

...1..

INY.lf-71

D!ll'.1

_J

UP

TO

02.12.77

SERIAL

NUMBER

20190:

06

=Z

24V

i R34, R37

=FIXED

RESISTORS

0

"'

j

z

::;

0

,,

,.

l!:

.,,

c:

.,,

;;;

,,

ell

I,. ..

(;'j

:...:

"

~

"'

"

.....

"'"

11

.0".

'I~'>

..

"'

G

..

"°

Q".

J>

'I"'

~~~

~

~~

~

~U~&~~tU~~~k~~h

I

:!;~=~:~~:~==~~==·~~=•~m

!

mmmmmmmnm

,.

f~~r:r:F:f~~~~~:~::??f~~r~

~

~; ~?

~ ~

~

~ ~ ~

~

~? 1~

j

;~ ~ ~1

rr r ffr

rrrrrrrr

:.:

.. : .....

~.~

u

~

m

~~~;~~~~~~

·········•

~iHHHH

j

~11

H

H

fffriTfffffH'fl'Hf

!..'~~"..~~:~:.

~"::;';..;::;::::;;·~:..'..:..:.~:.:,!.

mnm

mmmmmm

::

~~:a

~~~~¥~¥~~~~~~~~~~~

mmHt*1m?~1~

~

:!

0

z

~

'----------·----·-·····-----------

lullll

13

r_---

---------·····----·--···-··········-

---------

~~RE.VOX

MONITOR

AMPLIFIER

L~---.--------,

R>-,_--r-~~~---ir--~~~~~~~~~~~~~~~~~-~-~

REPllOllUCE

f\MltFIER

PCB

1.177.260

+tl.Q~

,-~

}

...,.

I

I

I

[:w

I

I~

-!it

f

'7

1

1

Rtl

' +

Cl!

~

OJN

HI:<,..

1'¥

I

I

I

I

'

+It\

I

tSH

SECTION

877

MKl/MKll

l

---------------~~--t----~-

+

IC'l

4.,'ll#.

I·

l(J,IY

I

R'll

~

63<

r~

+,;:•

(IQµ

RiG

l;R

~

Rl6

:m

~

RI+

!lC

R7

a?!!

Rill

4

Rl

110

7/59

/

;t

:,

h

M-

Dl

/

~

I>'

:,

~

~

1·

,..

fl------·--------·---___!!h_i~:•

µ

*

INOICA10l

l~IG6EIUN6

(

FAtTll'.1

LE\'El

PRf:~JIJSTrn)

~·

1:11

,,,

I

R12

!:~_.J__..____,,~~r:--~~

)!.~

~~:

L={]lc'

~ff

m

hes

~~~"

+It>

4,7µ

l'M

i.;i'k,

r---

0!

llM;I

I~~,'°

~

Rll

~·

/

~

/

DI

llt

!.1116

I

I

Z:

;j!

~

---·-i

~R1l

l,7<

..._

lll"4>.t

D$

~,.,,

$7

~

~-

• --11- 1

~A$

~!!

1.1k

m

-

~

t:m"

rp

%0!>

1

06

Z!IJV

Rll

l~<

~J

il.7rV

RllllC~

Ill<

'

Kl

I

I

I :

I

.-

L _

_]:_

_________

~

~

25t.lo9

1

l

VOLUME

~

25k

...._

UP

TO

SERIAL

NUMBER

02.12.77

'

i

L 7>

(OQ

Vl).JJHE

R

20190;

06

~

;.

~

= Z 24V i R34, R37

=FIXED

RESISTORS

_J_~

t.::;

S

7'

~!

_ _Jt _________

~

c:-

::;»

~

~

~

i [[

J_~----·--------=----_J

z~

5 5 Iti,.lM301

~ ~

L

ic:::w ic:::w 1

I lt3

><

PHONE~

~ts,

JO

->--i

u:t=tM301

"Rt"-558

J_

11'

Iii

RE.\foX

B77MKl/MKll

SECTION

7/60

I

"~"AA"""'°'°'

;;;,

TEUERUNGEN

HI

Free

Head

,r ·11f't' h8a;.f

,~i.,·!nornrnerr1

·IA

.ir

1:ttei!nurnrnern

·HA

..;r

Ill

~te:inummerri.

I

;=

a-P1~o~kopf

:~.

.:'i'(lr

·ie:r

":;<ntagepiatte

Jnachse

.g

~r

'~

·.;_:n

·;n Board 1 177

".JY::~n

;1r,h

it·~

tioii')e

,.y,t1fue11

igt:<J"_h;rrr.te

r~j

'"!•lf!f':$ Vorgd·ien e1;1sprechend der Jewe11igen

.~u!.<1!Z·1.ar1,pn1P

;&im

,.J·, l";Jbel

,·,

d:r,,rl:d>en

·~·,

~,q1:-_Hf:

Jl

·Bt!neb

I Dia-Syrn:hro

;;;,ntik.:?-ien

O;asteuerung

I Dissolw

Head

D1a

Oberbh:fldsysrnme

..

,

avf

r'f!chteckigt: Montagep!atte aufschrauben

auf

di:!'""

:&lite

m;t

auf den

4<

Die

dre1

Moritagepla!te zu verwenden.

n...,1

aridereri Ende des

F'.ad1ste>.ker

2.

3JPoiar~\at

Kabelbvnd

Au:sbtru

rjes Auctiu-Anschfussfo!des

rnit Vert)indungskatli!!n versehene 5·

Buchse

!rn

>=".aile

Kabel

t-iF·Pl~tinF;

zu

FH·Bausatz:

vu1i

.Jf;1 5·pohgH1

i (,.-:m010r'.. vt!rieqr!n

F1ci::hs.teckf;1

;:.,Jrj10 inl•1n:onn>:.•1.i101i

\~11.'1•.;e

.~

r 1

i)

004

2-Scm

7.:1501

4-Spur

7450:3

2·Spur 74502

4-Spor 74504

AmplHior

2-Spur

74495

74496 4·Spur

..

m ,

__

dte

i.m

Nac:hri.istsatz en1halte·

de1

ver~nkt:en

Montage!:O· tersink

Dlap;Jotk.opf rechts

Kopftd;iger

Federn smd an

210

btJ!1ebig)

be1m

verl>?gen.

schrauben isiehe

de:r

Kopf~abe!s

auf

dern

Audio

!nterconnec·

e1nstecken

{gemass

Kopfkabe! kann am cording fig.

fix.ert

--Nerden

Anschluss SLIDE

e1nBS

OHA-Bausatzes

zw1:;chen

Ca~tan·Motor

Bucho>c

und

~ien

am

Hl

(J18

Stfo<r:~;-'J:rle.1sti:>

Bu~ud:;

F;g

"lJ

Dan._Kh

Unterseite

Katie!-ende

1.177

we;11".!t

INSTALLATION INSTRUCTIONS

SLIDE CONTROL ELECTRONICS

FH

I Free

For

"ht>e

Ordt-1 nurnbt:'f

DIA

I Dia-Synchro

For single prote.::tnr

Order

number: 2·trock 74502

DHA I DiS!OIVe

For cioss-fade systems

Order numOOr 2-track. 74495

General

1.

Remove

"

~

00

und

voo

der

b€fmdli·

Fig drawing on

die

00-

bzw

SYNC

•St

das

obeiha!b

J1

210

t.;~1

taD~

2.

Attach

the

mg

pi.ate

s!OO

3.

lnstaH

the sync

1he

r.ght

3-f1at

head screws

on the

unden~ide

4.

Connect the push

to

the

mother

ty).

!f

found necessary. tie

e~rsting

wire

5.

Remove

5-pole

or

pos1t~on

paner

Route

stan motor and

Continue

head;ng.

FHkit

6.

Place the cable
capstdn

molor

cable's end

board 1.177.210\se+;

er·.ntinue

Head

he.ad"

opetati!...~n

2·trJfk
.l-1racl

op.,m.Hion

4-trock

Hoed

Amplifior

4·tr.ack

transport

c:_c.;yer

sync

head

contamed in the

audio

44

at

to

ot

the

holes points

head

wjth its mounting plate on

of

the

capstan

!seia

fig.

of

the mountmg plate

on

terminals

board 1.177.210

page 3 of

this

1,

2.

3/no

h<lrnes.s:.

connei:Jor panel and inMall the Apres ctemontage

6-po!e socket (depending

(SUDE

SYNC)

the shie!d-ed cabie be;woon

the

audio

as

desuib~d

from

the 5·pole socket above

.:ind

•fl:>!?!

mto

the ur;per edge

f,g

step

10

74501
74503

74504

74496

FOR

INSTRUCTION
KITS

DE

COMMANDE

FH

I Free Head

Pour ;,1!dis.at1on ··1ete !ibre"

Numews

de

DIA I Dia-Synchro

Pour cornrrwnd\'.'

Nurneros de reference: 2·oistes 74502

DHA

I Dissolve

Pour fondu ench;ainS

Num&os

de

Generalites

1.

DE<powt

ie

""'

sheet

!he

in

to the

J:10

cap· tirez

at

the

the a circuit

(oc-

at

;he

H1'.:!

on

2.

Vissez

la tete

tmus

de

frli:.ation.

3.
A

droite

de raxe

rnontage a"oc

t~tes

(voir

fig

montage.

4.

!a

de

1,

2,

3ipo!ante quekonque)_ Attachez

!e

cfibt11

5.

audio.

fjxez la prise 5

44

(SLIDE

IB

cable blirnJe

et

le Cl(CUit

de

Les

instructions

s1ons

Kit

de

montage

6.

Placez ~ cJb!e

moteur de cabestan

re,.

tr6mit~

du

connecteur !ibre du

{vo1r f:g. 1

l.

Poursuivre au

the rectJngu1.ar mount-

kit

so

that the coun- plaque de montage rectanguraire,

to

1ts

hP__.ad

shaft

by

utilizing

41.

Use

the 3 springs

of

the head cable Raccordez

as

shown

1nstru~tion

need

to

observe poian- 5aire,

th'3

he.ad

cabi4'?

oo

of

the c.onnoctor ment

bo<lf'l'J-S

under the apprnpnate

t

tho::

fl;u

oi•J:;J

j1

cor.n"Jr.tor

1i

DE

MONTAGE

,eft.~;ence.

di.JS

simple

POUR

DE

DIAPOSITIVES

2-pistes 74501

4 pistes

74503

4-pfates 74504

Head

Amplifier

reterence: 2·pistes 74495

4,pistes 74496

caout de recouvrement du

pilote

contenue

d.ans

le

cOte

de

cabestan,

vrssez

la

tete pilote. sur

4},

les 3 ressorts sous la plaque de

fiche

plate

base

1.177

au

toroo

pnnciwl

du

panneau de raccordement

ou

SYNCi. Pour la version

entre

base.

suivantes varient selon

~

de !'extrE!mite

210

!confiyme

6 pQles a

i<J

moteur

la

suoPQrt des

de

FH

de

ta

fiche 5

pQles

a la

p<1rtie

de

a1.1·dessus

tu::he

sup&neure du

bdse

c.ible

point

et

rac.cordez la

J1

circvit

10.

LES

mBcantS·

i<:Jt.

sur

fraise

plaque de

du

ciib!e

a fig

sl

n&es-

remp!oce·

DHA,

C-<Jbestan

ies

Yet·

plate de

1177210

des

du

Beim

6.

O!A-

1.177,282)

auf

L 177.210

7. 7. 7.

Orehscha!ter

des
vorhandene

size··

8 .

Beim

6-poligeo

Tonmotors

{behebige

1.177_270

Seun DHA·<z den flachen. 6·pohgen iClSJ

Steck:er
face

!a

9.

Be1

L~11..1fvr<ertabdeckung

weiligen Schaher links vom Kopftrfiger. schriig

un1erha!b des Bandfuhlhebels.

skrzze
messer
die zutreffende 8eschr•ftungsetiketta auH:leben.

10.

Nach Auf!egen eines Tonbandes den D1apdot-

kopf

und

band

Bei

de-rt

rocht:i-tB!fung

nung einer Frequenz
abges.p1E:lt

melschraube

einzustenen
Be;

tionskontrol!e nach Bedienungsa11ieitung 10.2

11.

Laufwerkabdeckung

darauf

Jdemm!

DIA

and

DIA·

sowie

DHA

Bausatz:

:.rde;

OHA·P!a!1rte l 1 177

tn

die

derri

O!A-1/4Sour·Bausi3tl~S

embauen. push-button ,'reel

OlA-Saus.atz tlas Verbmdungskabe! zur

1.177.282

DH.A~

F!g.

m der

Unterkante

bUnd1g

der

<:ichten.

~re;en

AuL11(1

einstecker~

{s1et1e

des

OHA·Bausatzes

loch

rechts der

Buchse

SLIDE

verlegen

und

Potung~

auf

e-1nstecken

\siehe Fig 2i

1n

d!e fre;e

Steck.erl-e1ste

einstecJ:en

o&.!r

D!A-

1/4Soof·Llmr1Js.tuog

die Lochmitte

4

anreissen_

von.

8,7

mm

b-Ohre-o

HOhe

s.o

ve!Stellen,

mit

dern

ist.

DHA-

und FH-Versionen kann

d~

S.pa!tes

1m

werden.

wobe-'

auf

maxim.ale

ist.

Vers1on

D!A

empfiehit sich

w1eder

d~

das

WIYL1

lr.1

elem

270

Steder!e~:>ti?n

...

~rco1111ec1i~)n

Fig

in

SYNC obe,halb dos

die beiden Flachstecker

Slidi:t Svnchron;zer

!5;Bhe

Loch

mit

und

vorbt.>1iavfenden

d1€'

Vollspur-Aufze1ch·
Bcreich
der

Kopf

Ausgangsspannun9

mont•f?rt;1rL

Kopfk.abel n:cht einge·

.J1

80.;ird boJrd 1 177 210

2L

Uzw.

Sch.alter

das

1m

Ch.:n;sis

0f"u:Cktas1e

auf

dem

if'l!er

Fig.

3L

aut def

for

dei1

ge-rnass

der

emem Ourch-

anochliBssend

dass

seine Ober·

zur

$.er.k

von

1.. 3

rnittels

e1ne

Funk·

Q;JbB1

!t'$p.

·J10 1.177.2821 •n!o the

··reel 1i4track-ktt

)e--

Mns-

Ton-

kHz

T.au-

DHA

6.

lnsett

!J!A

!ns.t.:ifl

the 3 position rotary

k!t

er the push·buttnn swl1ch

8. 8.

When

installing a

tmg

cable to the 6·pole socket

abo\i"J

tt~

capstan

push·on terminals

1.177.270

rsee

in

case

of

the

piug to

the

fig

3l.

9.

When re1rofitting a DHA­mark the ceriter

switch

to

the

the

drQViing

sionaJ drawing f•g. 4 DriU a 8.7

inch! diometer

des1gnatic11

10.

Bv

runnmg

syn'

head tatef ally.

edges are m
On

DHA

and

ed

bv

repn:.=duong a

khz

a:nd

aHering

a rnax;murn s;gnal Qtjtput

On

DfA

conversions,

funcr;onaJ chock

cotders

ooerat1ng

11.

R-ei.11'.:.toH

ihe-

nol

tc:

pinch thl) head cable.

krt

~ir

OH.e.

(!;(u1t

t.;~;rd

!ro?E>

socket

(see

fig

2i

switch

in

th"3

free hole

to

slzB··

OJA

lot, route the interconne<> Pour

motor

and

co,"lnei..:t

10

the

fig. 2i.

DHA

free

sO(:J:!?t

of

!eft

of

at the

hole

iabei.

.a

tape on the recorder.

1rne

v-r.th

FH

bts

1he

as

instructions

pla~t1c

D!

ktt

connect the

on

botttd

or

OIA-1/4track-k1t,

the hole

for

the

heOO-block

bottcm

occordmg tr.€ dlmen-

and attach the self-adhesive

~o

that

its

UDP€''

the passing tape.

gap

azimuth

ii;ll-track

recording

heads .azimuth setting

is.

obWined.

•t

is

suggesied to run a

!)€f

sectwn 10 2

deck

cover and

! 1

177.270

~trip

the

or

J1/J10

•Jn

of

the

OHA A droite

of

the

DIA

nght

of

\he 4 pistes

SL!DE

SYNC cabestan. le cable

the

two

A electronics tenir

fi3t

6·po!e

1.177.282

i~

9.

the:

requ)red

as

shown

on

1T1m

ad1ust

can be

des.sous

t11i32

du

sin des dimensfons fig,
de 8,7 mm et co!lez t'etique11e correspondante.

10.

the

Apr8s la mtse
hauteur

ar'ld

l{)wer

co·inc1der ies crr8ts

la !argeur

nd1ust-

Dans

of 1 ..

3

de

until

dans

On

sortie.

of

the

re·

Pour la version

un contrOle de ionction seion
102

11.

:ak~

c.are

Rerr--0ntez

me, en veil!ant

rem

Kit

de

montage

DIA

ou

6.

Enfld1~.Jl

ti

(1177

282) d:ms

tfo

circuit

(1~

de la touche "reel size". montez

trou

fjbre du

ou

le

bt

SYNC

e1

raccordez les deu:-. fiches pl.ates (sans

comote

;,;

plaouette

Pour le

kit

\CIS}

au

connect~ur

ivo1r fig

3}

Les

versions

une perforation du capot de recouvrernent du
rfl€:cani:sme,

du

trou a

I'

.aide

de

de

les

versions

!'azrmut .cermet !'enregistrement

une

largeur de bande allant

rE!glera

)'(:.<

pilote.

DHA

pL:iqu;::tte

DlA

i.1177

it:!S

b,w~

1 177

cha~is

!ecommutateurdu

le commutateur

DIA.

pJ.acez

de

de

la

PO!antei

DIA 1.177.270 (vo1r

DHA,

raccordez

de

DIA

4 pistes

S gauche du supp!)(t

tendeur de bande. Marquez

de !'esquisse

en

place

ia

tete pi!ote,

supt!-neurs

la baride.

DHA

l'.azimut

au

DIA,

caoot

d-e

recouvrernent

de

ne pas pincer

270} ou

connl?\:teurs tibres

210

{v•Jir ftg. 2}.

rotatd

du

au-dessus

du

la

fiche 6 poles SLIDE

aull::

connocteurs de

fig.

la

fiche plate 6

!a

pl.aquette

et

DHA

OOs

se

trou11ant

4.

Percez

avec

d'u11e

Dantle, ajustez la

de

mani€re a faire

et inferieurs avec

et FH. l'ajustage correct

do:

maximum

de

11

es1

C<'.nse-~ue

le

mode d'emploi

d1J

le

DH.A.

J1iJ10

dans

kit

kit

DHA.

moteur

2i.

D-Oles

i.177.282

nOCessitent

tf:tes,

ie

centre

au

voe

mOChe

-et

la lecture

1 .3 kHz.

s.rgnal

d'effectver

m.kanis

dt>te

1..e

DIA

en~

des-

le

de

de

to

7):1

~!JJ!QJ~j

1

RE.Vax

"G.'

·~>ACU

TI~

o•

""

"'~

'"

B77 MKl/MKll

SECTION 7/61

---

I

~

~

-;?

flG.2

INSTALLATION OF DIA SYNC

0~·~01

CAPSTAN

SPEED DRIVE

SLIDE PROJECTOR

SLIDE PROJECTOR

KIT

iAPE

REMOTE CONTROL

SUOE

SYNC

CAOSSFADE

{o

i

CAPSTAN

SPEED

TAPE

DRIVE

o'

SLIDE
SYNC

I

UNIT

DIA

PILOT MUTING SWITCH

!ONLY

FOR 4-TRACK VERSIONS)

n

H

W6~·

P1

J10

J1

P2 P3

111

..

.

. .

IQ

~

.

..

A.UDW

""
"''

INTERCONNECTION BOARO

PILOT

HEAD

2-TRACK

PILOT HEAD A.TRACK l.116.D83-01

1.116.00.2-01

~D

U77.210

REMOTE CONTROL

SLIDE

REMOTE CONTROL

CJ

CJ
CJ

CJ

D

D

D

D

D

SYNC.

PULSES

REMOTE CONTROL

1.128.04$

SET

VIA

LJNI

~

! /

SLIDE PROJECTOR -

r

I

LJ

\...J

------

~

~

~Dl:syNCHllo,.,

'Zi:n;

1.1.,;,_:z,o

~

SECTION

:'

REVox

B77MKl/MKll

7/62

·LIDE SYNCHRONIZER

0

: i

!'i

PCB

~

UJkcd

Ii

I

_U77.Z73;

DIASTEUERUNG 1.177.270

Mit

einem efagebauten Spezial·Tonkopf

:angesch!ossener

:r~iicht

B~!dwechsel

:::uf

Band

diverse

d1L1em
kontakt

SLIDE

8i:1r

ieb~ustande

q<:l€Khnc1er1

:>j'.l1etten

L'·ichr~t

j•,I

Q:tJ;.

·.H/i?fi

.-}wnung
.-,WITCH

Laufwerk-Fernbedienung,

d1.e~

Schaltung Steuenmp:ulse iur den

be1

handelsUbiichi:tn Q;a-Projektoren

zu

brmgen.

Eine Anpassung der Sti:!uerschaltung

Proje~tor

Fabnl<:ate

Uber einen galvanisch getrennten

geschaltet w1rd

Ober

d•e

beiden Steu•Jrtasten REC

unrJ

SET-SLIDE. werden die toigenden

gewahlt.

Wiedergabe

von

$perren 1Jer

4-Spur

L6scheri

pulsen

fa

Die VJ5ehunu erfolgt

01~

(fe.t

de:-:.

is.t

..

rtin•lii.-:r;.

Scheliimpu!sen

Wi~cJergat>'J

$ch;:iit1rnpul~n

Bandemj

sowH~

&!1Len

W!;!rden 1 k:Hz

genau•~

f,llJ~!te

H~·!J1~.

rrnt

'.)'

S1f!L1':S.•']n.:tle

Funl<11011

!'1-,id\!hth.

<1h11n

.lf\!.;f>:'Y..hlnc,~.,_,r,._;

hcil1i·1

''DIA

1.177.270

Slide syncltronizlng electronics 1.177.270

und

A special magnetic head m

er-

slide

10

back. these impulses will etfoct a

m any commercia!!y available projector, when
connected

an

i:;t

gt..-wbhtl~istet,

vot\

be1e~ts

(w1o:hi19 bc1

wr.

\neu€D!

m1t

<3!c!fhstrom.

d>'!r

··;:tt'ut~rt(l~!en

;\1N>11d.1Atr1;:;b-

P!i_01

c.per.at1onal

REVOX

Reia.~.·

of

ot

separate

anrJ

aui

the tollowmg

bt.--

k!cted

Im

a~.

.aufg.o:-

impulS>':•

(orded

:mpub•J~>

Ff:inb•"~

MUTl~·/J

hu!lur•

ri1•:

;;,_,cted

MU!ING'.NJnCH

protectors

conjunction

-..vi1h

synchroni:.;:ing

rocmd contro! !rnou!ses or. tape Upon piay·

the slide advance

SET-SL!DE on

no•

qua1ter

reL:v

eiectrorncs

ro

the

877

f€>Cor~r

only

tn con1unct1on

877 remote control device

Reliable

operntion

is

relay con:

By

moons

Reproduction

pulses.

Oisabi1nq

:o

respond

head

\;rnporldnt

Era:.U!E'

fhP.

ex.Jn

c.in

I.ii.?

wilhou~

tu

!h;

with

ensured

by

the fact

rnBi~h;;ini::.rn

acts

of

the

buttons REC-SL!DE

!h!O'

r~mote

opP.r~tmq

condn1ons

of

,~ontrol

of

the synchrrJninng drt::•Jit

t()

.:.ign<_:i!s

wt~r,

trJ•.k !Jp-esJ

~1wl

r(>f;'Jr<J1ng

l1Ji1tfr)r:

•,i_;,.,11

fH.1n1

!hf:

·J run;_.ll·,

11_·cr;r't•:r, 1

.ir;t",l

i;Ji

..

makes

different

scanned

play'H19

<Jf

qf

r.1L•e.

ti!•:

the

!t

pnss1ble

P•C!t;r"e

change

Tt-us

syste-m

..v1th

the

rnaki<":s

th-Ot

contro!

;s

effected

bv

(on1ro1 dev1i:e.

r:fm

be

~

~~w~ich:ng)

1rn

by

the

fu!!y

1€·

\n

..

~wl

(.0!HH,,1

!.'d<.h

f.'Jll~r1_;l

!

"rJ1·.alh~·

·ii··,.,;vi

,-,,n

·oir~

Pf

LO~

S~ncltronisateur

Ce

circoit monte dans

pl!ote 'i!t raccorde a

oerrnet

la

comnmnOO

teur

de

d•aoositives

La

is

~o

commande par les con1acts du re!ais,

isoli?s

galvaniquernent

n'1mpone quel

Li:is

SU

suivantes·

comma11de

p15t8S)

(nouwl!.;:s)

tr;~ins

rnent s'effe.ctue

<.ornm.mde son!

s.:in~

t;i;;e

MUTING

cie>.J"

DE

et SET-SU

Lecture

B!ocaqe

(import.ant pour

Eftacement ams! qu·enrE'fJISH.;iment des

1111pu!s1oos

Ces impulsions

d'un

signal sinusoidal

Les

fonctions

!",ude de

!J

d\ll".: le

bou!!on

SWITCH'·

,;-

~

@

~

de

diapooitives 1.177.270

un

877

equt~

la

commande a distance,

p.ar

la

bande d'un projec·

du

type

des

par

circuit.

de

pro1ectt!\Jr.

toi.Jches

tl:e

commande

DE

oormetteri!

impulsions

de

EJOnr>t.'es

comrn~1ndr~

de

1.a

l+'..:cturB

des

sont

cons.tllt!Bes

de

cour.Jrit

1 kHz L·efface

contmu

f·x~tc!t'!>

(l~~s

par !a !ube!IP

A

rJ•:itanc.:;.

Pf>W,<;C•H

d'une

s'adapte

l~s

fonct1ons

commande

irnpuls1ons de

!es

appareils 4

p.ar

touth1.!::>

Li

pE•u!

''DIA

P!

tet02:

REC

des

mis-::

LOT

rn ....

~-'"""~'!:'.'."~'

--~:.'..'.:..'.':___

'<•·w•"1·"""''"-'!''"i

fiE(

Hl'l."'~111<.rn•<>

''"'"'1''''

REC+

"'H:

'"""'"''""""j,~.;,,.1

:lf•l><'l"'-

,.,,.

N,,·"'<li

~'

•Sll(l<E

•

r,t;.T

REC

;j;t<Of

,~_.,~,;,,,.,

E·as11,e<>ff1Jr.tt:"om,._""'ls..••

,,,.~'''"'-''''p<,ts-·

:11-::'<>g.;;.s.1ht1t~,,t.;"5E1

~~"'""-"'_}"..;

!'L,t.Y+REC•~·~"'·;•

!>LAY•

H€(+$t1Llt

!'L\Y•f!fiC+Stlt;'tk€l

'~"'.11.'"!'"-'""

bn~"'"""°"'~~

fl!::(

t"'(l!;W...,..,,,,~,I:;

•}fl

5i!t.1E

1""!:..o.-o;oko~<"""<!"*

·'.!<--

""'"J!~ft ~ ·~

'W<fleSET•~en!Qll.a!f>

'l',to<t(-

Pi.AV•

PL.\'f'•

f!EC t '·"'"''hi

l'IEC

•

'.};._<[;€

,,:l:Ttt\DE

(ol.>-l~··:i.,t~·

,.....,._~l<'-9-•l,..$1

..

,,.,.,,

..

I""'"-'

'"-~""!">fr

l<\,!,,,d:u"'

,,,,,.~,!>e

!f.!E•:

>.M\!!f":.i~T

'}'<.ll'Ut

wm!;;1"""'~"""""~-"!>l

'~..,r;.,.,;1;....,,.;,'!P><=M

Pl.AY • '.iLJOE

Pl.AV•

!'LAY•

l'Llt'°•ltEC•;lt•U!:'Rff ~ ....

L_____..__.-·~-----------------------------------~

ECIUIVALENT

MFR

PO$

NO

~9.l"1.-:c,,-,,,,.:-+-:o7'.1:--::,--+-:,::,A:--C1C::-';;;"-~;;;.;;.,,:;-----j

c

I))

~1.Jl.U04

C

04

59.H.6W4

COS

59,Jl.U~4

'll

I~ E ~=:~!:~ff~

~

~~

~=:~;::~~:

C

lJ.

~·J,lL1224

cu

!r,;o.n.~104

C

l3

59.:U.U04

c

i.;

s~.22,!r.:~o

<;

lS

Si

ti

cl

!rl>.<:'4.0L2S

~ g g~g~~!~~

~

~ 1 g~~~~ig

~

i~

;;:~!:;ii~

S6_9~

t

t>l

54.<Jl.i:::~?o

pi;

2 $ 4

;

~!

;::~;:;i;:

Q

Ol

%.03.<.:•HS

• .)1,"'11'.!4

•

.:>Ut>

••

a •

.c·.no

v.~

'-'

lQJ.

V.l
O.:Z::

o~~

~:~

c..'.Jl

0.1

O.l

.n

O,l

lS

i=JE

rn

i:

l

)<!I

4-i>ole

...

.,

S-:l'.'Sl!I I

lt""'"

Y l~

l~

!J

::tQ'J.

lOO'<"

~

J:

1;

~;

-1~

JS'i

V 20'!.

h'<."i"

ti

10".

>I

..,

-lli::i:.

25'<"

:.·

ll~

l!Xl'<

4'4«<

•w

~~

~~E

::::

I :w:

ni..st!~!'

...

l..

FW-st:·il'

. :i:;

:~~ ~:: Z:~

.l!l'ETI" ll

Hl'E'tf'
Hl'l':Tf' f!

HY~

~A

l'!fl':n

lit· I R

Krtn

"'"Y

~

' I

T"

I f

S,

Al!f

""-f

fN~

Q-1

i I

I

I /

'l"cy I I

l'M:T tro

II

Q!

5"l0.l.l,<lt>ill

1'<ll

s-i

OJ.

$7,4l.48n

fl

Q<I

5'L4L·Ut1

05

!.7.41.4223

:

~!

~~::~::~~~

:

i~

~~:!i::~;~

all

S1.41.4)))

l'l

u

:.1.41.4223

, l'l

l3

f,'!,41.41.05

l4

S7.4l.4.l23

21

JI.

l!r

.57.'1.4333

•it;

s;

Jt:

l'

S?.41 • .l.liJ)

•

l8

s-:<.41."4'.:n'J

1

!

~

fi

f

g~~~~f~

~

~i

1 f

~

l'-22

I

:.~.41.413~

I

VALUE

I Bf'ECIFleATtON:I EQOIV,t;LfHT fllf''I

{>,!J

•. H • .oll5J.

•

.;1

• .:n;i

J~~filf

}(

l5k

11.2

l<

l?U

Jl

it-

I

i~~ ~

I

~:;

~

31

k

l2

k

l

~

22 k

)}

k

J.J.k

lOk

)~

k

)~

~

~J

:

3l

~

a

J

~

~t11·~1;

i 0 og. •

sv.03

i Q

IO l S0

! .,

'l\>~.;o.

~i~)!

BCW?lr i

ec'W?~

l'll'£rl•

..

I

'""'tall>.:.;·=

•

.:;.:.~.i;

..

0).C>O(.

..

li'6tc:".

~;~

~•n•

~11·,:

f

f!•

II

1U_:

I

i

<'.f

~

,;,..;,<"'

l°ll:::

'

F

I

b!L:::=-...,~~

1 i

de

se

li;t~o)'

' i I n

~.-,

)

)f

1n'~~r;j'.J;~~1:

i

1.1

!_l1

-

--~l;

-==~c~=:==IJ-1

r..

rr

' f I

1

'""7\\-14

1

I

r~J

111

·:·~.!,!jj·--

l~)

i I i I

I

:cl

I 1 I

- '

=-=-

-~

~--

:c •'::l..J_,

_j_

:

~

I

-6

\IVJ:3.79

~!ID~

RE.Vax

B77MKl/MKll

SECTION 7/63

SLIDE SYNCHRONIZER

•21,0V

S-SLIDE-

+OPV

Y-REC

2-0FIACk

1r~~i.:1-

PllOT

t•a<:k

ltaC~

2

l!i\iiiill

PCB

1.177.270

--

-

---

-

--

-

---

01

DJ

----------

~

t1

ll

8Jk

1----------

@-',--~~~~~~~~--,

..,.,__--...--ir---------------..,....----r---------,----...-----------..----r----....---....---T--.+11v

+1C1\

t

•

'<4

t•

Zlk

o

~I

I , l

az

...

a.•

}

G6

...

QlO

Of.

..

H1

06

...

oHJ

C1 ~ 50.05.D.!57

K1 • 56.

99.

&C

1018

iN't~liS

0116

Hp

I I o

VV\

fOk

I

R2f

tOk

U7

J)k

~~

L.

ltl

Z1I<

RS

1lk

Q8

Qf()

+1C10

J.Jp

lfl

114

C5

O.Up

'

L _________ _

'\lf:R.:>1'<1"~

4 TJl-..c'I{

,,..,.k,~-'~

Vfl1$1Qfl.

2-TRACK VERSION I

4-TRACK VERSION I

DIA

MUTING

1.!77.273

KIT
KIT

74502
74504

PILOT

OFF

0

ON

SWITCH

*

____

--

____

MODE I

I I . I ' I i i

!'LAY

RECORD-+

AECORO

+ P.EC-SUOE:

-+

PLAY+REC-SUDE

{CANCELS REPRO PULSES) I ! '

L---------'----.L

---_ ---

*FOR

4-TRACK VERSION ONLY

*REMOVE

REC-SU

SET-'J.UDE

C11

DE

_____________

FOR

USE

WITH

Y-REC I S-SUDE

HI

rpv

i'.LV

LO

2·1\t

LO

HI

i

12>

___

---------

I

1

c1

...J.;*

To.~

..

.I

t~

ll!li,M

----

R2

15k

--

+UV

LAY-OU!:

ANY

ELECTRONICALLY CONTROLLED PROJECTOR

I RELAY 1 kHz-OSC I

!OM

ON

•

L.__1

____

ER~ING

@ I @ © I @ I @ I 0 @ I

15 V I 2'l V

ON

125V

CJN

!

--

,

iJ

1V / /1

--

I 1l

l21

L__~-L~--

---

I

11,~~

..c5

j

I

OV

2lV

'"'

._L-_

HEAD

4f;Vrrps. I

i - - 0

I

'"''"p

I

l.1JV

±0.SV

r,y

J\.'

!0.7\1

tlV

'

p~I

'

P3

t.m2~J

! 0.1V l

--

V I

JVrn• I OV

VJ_

il

--1

AC

!

~ll\'!

~

0(

!I·;

itl\}

<\t

:1·,:

I

08.03.79

SECTION

:;:

:,,

':"'.!:

:l

RE.Vax

B77MKl/MKll

7/62

LIOESYNCHRONIZER~P~C=B'--1~.1~7~7~.2=7~0~~~~~~~~~~~~~~~~~~~~~~~~~~~~--~~~~~--~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~---,

~

'

ii

'---'

Ii

-Obo:fjj

:!kccx

ijli

li

'

_1

177

273

!

DIASTEUERUNG

M1t

einem e;ngeba-uten SP€ziai· T

dngesch!ossener

m<~!ichi

Bi!dwechsel

aui

3Jrid

dherse Projektor-Fabrikate

mdem

kontakt

SUDE

8e1riebszuswnde

geteichne~en

·;p

1P-!

ten

wn)!net

1·,;

>JU:>

.!'!Jt!rl

d~:n!Jfltl

:.;W!TCH'"

1.177.270

Laufwerk-Fernt>t,"'(l!enung,

dies.e Scha!tung Steuerimpuls.e

bei

hande!:>U!Ji!chen

zu

brio.gen

Eine Anpassung der Steuerschaltung an

uber toinen galvanisch g€Hfrt'inten

geschaltet Wlfd

t)b:e1

die

t."'21den

und SET-SUDE. ~den

W!edergat.e von

Sp:erren

Si..:haitimput~en

d-Spur

8;Jndi<:rn)

Loschen

pu!~er.

f", werden 1 kH1

01~

Loschunq e1folgt nu! G!t·1<.:t")'l,!1orn. irnpulse head

D;e

~ien,:1u"!

der rabel•r·

r_W~

f;f•[.J;;,

i:..t

"''1

rn,;ql:fi~.

Steuen~:>t".:.'n

gewa1111·

Scha1t1mpul::.efi

d:er

Wfedergabe

sow1e

Setzen von (neuen) lrn-

S1nuss1'.)!JJ!e

Funk11on

1,·r~.1rh0;1

i>h11e

Jll~je'_;.:,_:U,,:,~.;-:rif~

S(

h,:il•"1

"Di

A

Slid<!

synchronizing electronics 1.177.270

onkopf

D1a.-Proje~.toreri

ist

gewahr!eistet.

dte

folgencten

von

berAiH, aut-

\wichtig be!

der St•1uenasten

t;.

/"-•Jc.·,.r·1!oPt11>;-t>·

P!L(;T

A spocia! magnetic head tn conju11ctlon

urtd

slide svnchronivng

er-

to

den

Re1a1s

REC·

bB-

aufge-

reco-rd

back.

in

any

conn<:!cted

op.;trat•on,;il cinty

REVOX 877

of

projoc10rs

o1

the

SBparate

<md

SET·SUDE on

the

fol!owinq

l.ected

as

not

conJ~d

1mpuiSl'S

tJu!lun

l)J.i;_·

r,_.l,1\·

n•X!l'<.l

MUnNG

tGr

~ernli1'·

MUT1NG

e\~tron1cs

control

impulse!>

these

impulses

'Ni1i

commercially available projet:tor. when

to

Rel:atile o:perat•on

slidE!:

advafl(e

r-e!ay

Bv

means

Reprnduction

pulses.

015-abl:ng

!O

r~P•'iild

au.artf!r trJck

Er;.is:.11t:

!he

t'an

t)l"

•N1th(_i11;

h:

rh~.;

~)/•,HTCH'-.

i3ffect a picture change

the 877 recorder. Th:s

1n

conjunct1or-

remote

v::-nt10!

;s

contact~.

{!mpo1t;;flt

8>.JI

w~th

ensur&d

by

me<::hani~m

of

the Uuttons REC·SUDE

m~

1erricte

operatir:g

cond1t1ons.

'Ji

rcin:ro!

•)f

1he

'i>y11Chrof11ling

;r_,

s.ignrils

wh8n

!-Dp&si

<ind

rc.r;orrJ1ng

t !ur.ct1nr1

:>'..'f'P

fu;;Y:

H:f;

.J

ro:rnoh·

lf''.·urt}•,r,

pull

wlth

makes

it

poss.Ible

on tape Uoon play·

wstem

with

de'.'1(e

different makes

the fact that

control

1s

eff~r,ted

~onw)I

d"ivice,

i:.:in

be &e·

(-:;witchmg)

oir:uit

scanned

t.y

playing

fully

of

\newl

control

nf

f!¥.h

UJn!iol

!dble.

To

rJi~;,:1hie

·.<Jnlinl -l'J'.';"J:

tht'

"'[HA

Pi

Synchroni5"tl>ur

the

Ce

circuit

p1tote

permet

teur

iso!€s g.alvaniquement

is

n'imPorte

the

SUOE

suiv.antes·

by

commande

pistesL

{nouvelles) impulsions.

1rn·

trains

so

the

ment s'etfectue par courant cont.nu

re,

commande sont donni!ies par

S<)r'!S

f.:iirtJ

MUTING

con·

L01

de

moote dans un 877

et

raccorde a

ta

comm;:inde par

de

di.apos1tives.

La

comrnande par

quet

type

Les

OOJ;..

et

SEr-suDE

Lecture

des

Blocage

de

(important

Effacement

Ces

impulsions son1 consrnuees

d'un

signal sinuso'idal

Les

fonctions

!'aide

tie

lo comrmmde

<iVl"(

!f~

bQutton

SWITCH

a

0

c:

...

rJ

dlapositives 1.177.270

E'.lquipe

la

commande a distance.

la

bande

d'un

!es

COl1tacts

du

c1rcu1t,

de proj€ct.,;:ur

touches di: commJnde

permettent

•rnputsion-s de

Ja

iocture

mns1

s·adapte

les tonct1ons

command>:!

des impulsions de

pour

l<?s

appare1ls

qu·erneg1s!rt>w.:en1

di? 1 kHL.

exlJC.!es

des

:ou(hes

LJ

tatJ'C!I!(!

<-~

d1s!<1nu..:.

pou;:;:;c;;r "'DiA

..

,

d'un:e

prnj!?.c

du

p;;i1

L'tJifate

L,1

pr:u:

Pl

t~te

re!a1s.

a

REC-

4

d·:s.

ties

de

nus,~

f,C

LOT

w.,.i,

Yi•>'i>'•·ji-ll"'~,i,,-.,,.

""'~"'"'

l<"«b:nJt<

l'li\Y+l'IEC•"t1t't

1::

c"'

{!<,)').

~~

1

~~

:;

H

I

I~

g

i

~

}~

I~~;

!

~

:!

!

~

->>

'fo

06

it·.cr,

i 0

09

l~H

I~~;

''"'

l

~~

;

l

11

¢l

!Q'<ll

!;,~

I~~

;~

':l

.;.~

I

Q!V

n

'

llH.

·~t.r;,uoE

.)1.llH

•

.H.E.l~

•

.;.;:;:a

O,l

0,l

.:i.:!l(1

{ll

2<.l"

3.)

.:..nv

0,l

{).l

O.l

lli'
lli'

lli'4~

l.);4'4.;tl

::iu

lt<
lt<444fl

!!r

l!r"'44tl

l!l444il

lli'4~

4-Fd-i=

4-E~le

$·~.·H.OlN

5'1-.:n.i>l~...S

5~.::n.122~

S'!o.12:.C•l;;..•

S-!l.:).L~l~'4

$'1o,){l.l·PO

S,,){.~.llH"

5'}.l-0.bH"

5

...

5-;.1L!ih'-I

s-;.:n.~:,;4

S_,,l:L~-470

5'!1

50.04.0J.::..:.

5'1.04.CIH~

5C • .04.w.;.i

"So.04.C'!·!J:~

so.,1'4.c-11'8

$;;!.{)4.00.~$

$¢,('r4.Ql.l!

50,04.o!n.

5:.>.04.C>lH

50.o.t.olH

so.o..s.G12:;;

5'-<.0S.02:$"'.'

5hl''!.(<i.H-

S-4.0l.¢4-:·~

54.0l.'"'4~.;;

S4.~2.oHe

s.;..02

t~

4)

47

...

U

tl

t

x•

!,1

'.!

u

\1

tl

r;' M

4.US

4448

444~

-U~tl

,,_d,.

-Sw.~·•

f

"~

l•""'

l<>"~

2~

2<;1'11.

i.::i..

-to".

·""

""'

h""'"

-l<:!'ll.

I

is<.·

:rm-:;>;:uv

1"t:1-Str1p

1·1H

fl~t

•.

,.,.,.,!w

100.-

l()(r.'
lt'l(lV >'.li''f-Tf'

h1'..f'J

l~J~P

u

ra.

•:.:.:..:'::::'.~-~~--

"~"'

PlAY+'>;,_:(lfJ'.l.H

l'LA\I + fll:C->

l't.A.Y.,f<EC+Stm~HE(

PLAV+R(C•SL'D!O

J'.I.<'<"·~~-·'""

~'1;'.~<c·.H~

N~~'<3=;:.:r

r~~"'"·~

s;-,..,.._.~.~,.,..;fol·~

REC

"SEfSLlt'>f

il'O!MO

11.l':r.'J'

fdtt.Tl'

WJ

CSR

~r:--rt

35\1

"

'"

"

!!'\I

u

4<XT:IW

~

AMI'

~I'

...

o.B

'\Mt

<l..il

Ml'

:;-1

6

~~"''"e.;:;:;•~-«i

i<Ul

3i.4l.«-&2
3i.4L415)

"'

57.41.4$:<2

"'

!)7,4l.4lH

57.4l.4U;

""

"'

57.41.4!2}

s-;

•

.i.1

• .ste:.

""

57.41,41\.))

'"

s;

•.

a.«n

'"

;;:

w

57.4L4H.?

""

i,

u

.H.4l.4)H

J;,lZ

5-7,41.4.223

JD

5'.4l.4lOS

S"l".41.4.:!:):

~

l4

$.lS

:sr.'1.4Jll

lllb

~1'.4l.4J')!

57.41.410)

:!rl!

iil8

57.4l.4J-:n

.H.4l.4H.2

,,.

"'

:$.~.4~.41.SJ

l'tl

"S''l'.<lll.-t.1()3.

ll'!:

~7.4l.41:U

1'.:l:)

:n.41.4::3'?

,.:;4

57.41,4)3'?

l!

2~

S"l'.4l.4H1

S'l'.4l.4l'.;~

i.?E.

S'l'.41..4~::.~

"'"''

STUOERi

·,;!\,~_;<E(.

PLAY t

!'!£<:

•

ni~

!•"1'

P\.AY•HC+~Ut>l:'RH.

f'lAY .. Rf!C•Sl;o1;:-i:iff

....

I

'"

~~~:

I

i:;

~

I

10

k i

4.'ik.

f

:):,)I<

!

'"

:l::l:lt

) .

"'

3.3k.

'"
""

'"

),)'It

U>

1¢'

l.8l<

3.)l<
J.)l<

,,,

'"

'"

~.•."10'

J.·UI<-.:,, •

.,,

E....-~J·W~""''''

l>I"

ffl;>,:JO.,,...><~=

i"l•l.o.=<;)o;'~{)m:!'>;l•llle

f"'!'!l'»<_,,,,i""'-""

i>'l'~··.ltc~l'>l.!t

ar.11&

i.,...,,111o«<U>lol

=~

iOl>(:he~ET1«~~ftin-.:H'

EOIJIYALtNT

WI!

~

l

~·

:f~_03.79

!§1ff1D~

RE.\lox

877

MKl/MKll

SECTION 7/63

SLIDE SYNCHRONIZER

•21,0V

$-SLIDE~

+O,OV

Y-REC

2

T!\A,{'.I(

Mftre=m?l#H

P1L0?

!•Kk

PCB

1.177.270

-

1----------

-----------------------

-------,

~.--~~~~~~~~--,

.j,i,.-.-...---..-------------..,._-----1---------.r---~r-----------,----r--...,---..,._--...,--.-+11v

.,c1;

2 tit

.. I ..

, I I

Q2

•••

06 •••

OL..H1

D6

...

(1 • 50.05.o.!57

1<1 • 56.

Q~

}

QlO

Bti076

DliJ

fN\~"8

99.

0116

.JJ

1

;1,,

' I I I I i .

I

R2l

10k

127

33k

QtO

+I

{[

CIO

J,3,,

08

I I I I I I J ·

RIJ

1M

U2

m

RS

m

DJ

I.,

®

ti

l3

6.H

I I

Rill

),lk

Rf1

J3k

D\

1

C7

-pi"

~*

+UY

t•

0.1,u

12

15k

'

L

IJ£~10N

________

4

Hi:~Cl<.

VE.l'ISi-ON

l•a<:k

3·~

..

1'K~

7;{~

•l«Kk 4;

l"ILOT

_

2·TRACK VERSION I
4·TRACK VERSION I

DIA

PILOT

MUTING SWITCH

OFF

1m.273

ON

KIT

74502

KIT

74504

____

--

_______

*FOR

4-TRACK VERSlON

*REMOVE

*

0

MODE

PLAY

RECORD+ REC-SLIDE

RECORD+ P,EC-SLIDE

+SET

~SLIDE

PLAY+

REC-SLIDE

(CANCELS

fl:EPRO

PUL[;E:Ji

C11

I

---

FOR

Y-REC !

HI

LO

LO

HJ

USE

____

ONLY

WlTH

ANY

ELECTRONICALL V CONTROLLED PROJECTOR

I

S-SUDE I REL.G..Y

I

<ON)

'{JV

I

I

;1v

2·1V

1:::v

--_ --_ --_ LAY..ou:'.

··-

--

-:JN

DC

@

--

ON

--

I

15 v I

'2

D.lV

1r,y

I

l KH.t-OSC I ERAS!NG

I

I

--

ON

-- --

I

1

red

org

1.tn~J

©1@

®

?1

v I

~)

1V :nv

SV

2j v 2Vr•n:;

21

'.'

--

!

ov

ov

nv

©

I

4fW<""

l'.>\'p11

I

L5VAC

O.~V

®

::+.:05V

DC-

3 V

A.C

~V.?V

•)V

~

®I

iOV>

2\\r

l>JV;

_'1';

08.03.79

'''"'··::>;RE.Vax

G.3

INSTALLATION

~

--;?

~

-;?

OF

DISSOLVE

CflCllS6~A-Ot

HEAD

KIT

.....

""""

~

L----

_

__='.__J'

B77MKl/MKll

<l.9Q

,.;,~to~

l.W'

~

El~

9~

(

1"-'""-El

I

~""""-Q

•

~::\

¢~~

Q..9~

e

~

I

LJ

SECTION

7/64

FIG.4

FIG.5

HOLE

REEL

ott\o

-=-Yn

DHA

OFF

DRILLING

SlZE

,

.o.s,,,,,,

'

OPERATION

ERASE

,

©>

INSTRUCTIONS

ERASE

OFF

-E!:rREC

DJAFU.OT

I

RECORD

PAUSE

<< >>

PLAY STOP

RED

lc=Jlc=Jlc=Jlc=J!c=Jlr=JI

1.81

1

wi~

'<..10!0

i'li'

!1

"[;_]

Jl

lJ

•lflf1tr:oN>1~Cf>ON

&01111e

'"'""

"l0T

-4-1'!";ACIC:t\!~083.l>l~

,

,1~1w

i

1\.:€,?r~

~AD

2!flACi<

!

Hf..(l!~,;-1

.,"'

)

(

'

....

St.mES"NC

OIAt

I PLAY+REC I

I

PLAY

I

POSITION OF RECORD PRESELECTORS

8)

8)

DIAPILOT

DIAPILOT

"OFF''
"ERASE"
"RECORD"

"OFF"
"ERASE"

"RECORD)

REPRODUCTION OF

PILOT

TRACK
SIMDA-SIGNAL RECORDED
ON

Pl

LOT-TRACK

I

REPRODUCTION OF Pl

~

NOT

IMPORTANT

ERASED

FOR

DIAPILOT-MODE

! !

PILOT-TRACK

LOT-TRACK

RE.\foX

B77 MKl/MKI!

SECTION 7/65

_

___J,_

---------

\

~

'

·m

:tak

~15

'll9

;J,lk

To\··

OS

)

&t!QgC

;m

""3Jk

l 4 I

~O,lp

ZlO

\

Cl

\v

Ci

--_ --

___________________

*FOR

4-TRACK VERSION ONLY \

*REMOVE

C11

---------

l10

J)k

rn

33k

,,

\

I '

DfO

kl'

~

FOR

USE

WITH ANY ELECTRONICALLY CONTROLLED

----

---

•HV

DISSOLVE HEAD AMPLIFIER PCB

I

I

r~Titr

:~·mr~~~~~1::

!~I~:

iiA£~--~

1.177.282

(INTERFACE SIMDA

~~<·=--~;"'~~

.E·c~+=-

'""'

~'"

ED

3000

-i~

l-=-J

P)

~1~~1[[;1·-~-n~:::~1J

IJ·

~--~-!

!~~~.'.!,.."!.-:._~

[j..£..il.f.,__1~]9~--12.JL~-~

I-

C

1):

!i9,Jl.ll~

w.•

<>1

so.o<.01"

t--f

n

02

so.~.0.121

D

00

S0.04.0US

c~

O,lf

·~~

_c3

I

I

'

..-----0o~o0-~....-!...m~mlc:J

J

~--1ff

Tot

i

"

\\

\.

LAY-~~\~r77.~J

PROJECT~

'

"\

HEAD

..

~

I

in

oe

sc,~.lll'J

I

.:

or I 54.ol.Ol<IC

; ; . '

L.

<C

0.

"·"'·'""

~'"'!

"·"'·"'4C

! I : !

"'----+---i'

l.OU.141.00

62.02.H7l i 47JnH'

!-1---l------+--~'

;

Igo<!

s~

J-

o

o~;

so.oJ.04J6 : Ji::l<)1'!1i

I ! Q

.,,

,

50.03..;1)18

'Q04!

51).0~~.

. l 9

051

50.0LOO&

l

I

~-

Q

OEi:

5C OL•--'436 !

~~

i{)

081

$lUl).04._~-+-~~-----~

I

""'

I

,.

'""'

""

-

1'

L=l

I

i==J

~

i

~

j

!MOE

leF3,

I \

-~

1 j

' '

l

__

-!

=---r=-

!

47 U 2a>;;

100

.......

1014448 , .
1Nil448 i _

l."444$

11'14448:

_,_---,

¢4110:! ! I

~

?-l>Qle

"'""'

:

""'"f

.II

..

l'lat..1.9f!.11l

I:itu·hc. ~ ED)rxJt'R/r.:r ! l.l?7.2Sl.OO

f 1 ltY

4.i>otel

'j

( 4-P<>le-i

0010,J

; ..:::l'6Af

I l!ICt07Sj Jfl'll'

BCI~1L

one

sc11s,.!

--+-=±--~-·~-+---<

JV

TA

UrV

II!

2~

i

i

Soeket~stnp

..

"'·

l"_JK_..,StnP

PlK-stup

____

Tl,

lgoy

MPi

Niii' ! I

""

Tr.a~tot"~t'

1lle

_

ilW

KP[(.=R;

HPN

I'

JIS'!!

__

-~

--·---------~--:~

-----ri

d-+---r--1-----==---T-J

11

l I

~--J-=.J

~;

@i

I I

6\

23:.s,79 j

ST\JDER

R.wi,_,..-

I

b1tuhee

I

-+

i

I

Silll<l.>

!:030Xl-Ol'/S71 11.1n.:rnl.-:.:l

--H

/~

]Of

J

MOOE

PLAY

RECORD+

RECORD+

REC-SU

REC-SUC>E

+SE1-SUDE

I I I

I Y-REC S-SLIDE RELAY ! 1

DE

·1

I ! I I I

•HH>SC.

ER~l'IG

I

~

I -

"\

® ©

lifi,i1

~

~Aft:

NAAlt.

IL.

=J--

-I

I

~;,;;=1:;,~~~1

j

STlJOER

!:nt..,,·r,,~

um

..

Et:3v....or:"-n i _

23.05.79

LPL2t1l.:i~

6

---~-----j

RE\foX

BnMKl/MKll

SECTION 7

/66

..

~W;\Q~

RE\fox

B77MKl/MKll

SECTION

7/fJ7*

DISSOLVE

HEAD

AMPLIFIER

j

PCB

1.1n.282

(INTERFACE

SIMDA

ED 3000 Pl

':·;;

I

!

l WIRE HARNESS TO

i I

I

DHA-KIT

.

.,.

4,7K

1.177.283

"•

\

- -

Bl(blu)

•.

\\

~~r

_,.,

~~----

~grn

:==

7

~~

lllu

red

•

Id

•

•

•

•

•

•

•

1111

I

•

'

DISSOLVE

HEAD

AMPLIFIER

SLIDE

~11

SYNC

'"'

PCB

1.177.282 (INTERFACE

SIMDA

ED 3000

P)

r-·---·-------------·-·--;----

~c

ml

lJl/5

REPff011,,t

::.._..ttf6

__J

,.

2.2M.

C&nlOOA

I

,.

/

,,.l

,,

C7ll'IOOn

./·

..

"""

.,,

""

[lEVEtj

•.

RI!

~

I

""""

*~'

,-*--f

I

""

t).

"j<,.

I

BC.07B

08

BC'I018

•20

o•

05

BCIO?B

'""'

o•

21>

PILOT

10.10J:r3

TRACK

VERSIONS

·-,: W.'""7-------.-:\i-

""''~

------·-----·-----

2 T!'lllt::l<

~

VEflS10ti

<4-Tlll,(l(

"'~• , ~;':f;"SiaWJ.."'E'r=r.-~:7

t•Kk3~~~

Pl\.OT t•Kk

VERSION

_____

hia<;k

4!

__j

I

10.10.83

03

Ol

BC 17eA

lL

_________________________________

/WIRE

HARNESS TO

*FOR

/

SYSTEMS OTHER

DIA

PILOT

THAN

SWITCH

ED 3000 P

AND

SLIDE SYNC

C5=

1µF

TO

DECREASE

CONNECTOR=

HUM

SENSITIVITY

1.177.183

_

~u1J.J)fQ)!J':~

DISSOLVE

REVoX

HEAD

AMPLIFIER

PCB

B77MKl/MKIJ

1.177.282 (INTERFACE SIMOA

EO

3000 Pl

SECTION

7/67*

:._,_.,

SLIDE

17i"

SYNC

REC

REf'ROn;i~

~

__

..

+

,--·-·-------·-----·-·-·-·

rM

L.Jt/5

!..J.Vt

: I

_J

.,.

""'

II

SC10'1'9

"'

Cl~

io.

..

BC1018

J.~

0'20<

.c?ll'°°1<

I

*

•iCll

,,

'"'

""

m

'

, , L

. I

·~.

1

_,

-

~

Rl2

47"

...

1c5

~

I

.I.

~

--------,

07

••

BC'19~

••

~

".'

- ! i

I I

I

j I

""

t

20

22oj(

06

OS

07

BC"'79

9'1078

09

I I

I

o~

•1

••

c::J

.,,,

(f.JBC101e

, tn:

J I

02

j

~:7K

..

..

•211/

I

I

I

1-"'

I
I

s-

I ·i.-

·1

~

6NO(M'l

J•/41

~-KEV

""'

Y·REC

rn.10.s3

03

03

E1Cl78A

I

fl'"

Y'"

I

L

-~--~--~--~--~--~--~--~--~--~--~--~--~--~--~~-~--~--~--~--~--~--~--~--~--~--~--~--~--~--~-·

WIRE HARNESS

*FOR

SYSTEMS OTHER

TO

DIA

PILOT

SWITCH AND SLIDE SYNC CONNECTOR= 1.177.183

THAN

ED 3000 P

C5=

1µF

TO DECREASE HUM SENSITIVITY

~

I

01

I\!•

LI

•102214100

L2 • 6202

07.

56040'4-0

11114448

3473

1177262·11

.I

,,,,1

S·OSC

DIA

PILOT

...

']~

.''·/!' r r

TAPE

,·,,,

HEAD

-:it'J

RE\IOX

ASSEMBLY

//

~

l

877

/'""'

\,'\

~

\

""'

----f:'\

~~\

ff

'

I
I I

~

I

(~)

~

.

\

@

'\

'1

®

~

SECTION

I

8114

~'llJJ[Ql~!i~

TAPE HEAD ASSEMBLY

RE.Vex

I

INDEX

' j

i i

QTY

ORDER NUMBER I PART NAME

I

01
02

I 2

03

i 4

04
05
06
07
08

from I 57329 I

from

I

60977

I

09

I 1

I 1 i

10

!

l 1

11

I 2

i

12
13
14
15
16

17

I

18

j

19

I

i 4

I 2

z I

i 1

i 2 I I

I 1 I I 1.020.310.00 I

120\ 1 I i 1.020.a20.12

!

21

2 I I 1.077.145.01

22

!

23

! 1 I 22.01.8030

;

!

24

i 1 I 1.020.320.00

~o

above I 1 , I 23.01.

i

25

!

26

I

1.020.300.00 I

1.020.301.00 I

1.020.300.01 I

1. 020. 300.

1.077 .121.02

1. 077. 121.

1. 020. 300.

21. 26.

41.99.0102 I Ball bearing

1.116.098.01 I Erase

1.116.098.04 ! Erase head

1.116.099.01 i Erase head

1.116.099.04 I Erase

1.116.022.00 I

1.116.042.00 I

1.116.027.00

1.116.047.00

1.020.801.00

21.18.6354

21.99.0118

1.077 .155.05 I

1.077.155.06 I

1.077.155.07 I

1.020.311.00 I

21.01.0202

1. 077. 145.

21.26.

1.020.318.00 Edit switch compl.

Tape

I

Tape
Tape

Centering screw

06

Tape

04

I Spacer

04

I Threaded support

I

0455 I Screw

Record
Record

Reproduce head 1/4"
Reproduce head 1/4"

Head
Set
Screw

Head

Head

Plastic
sh;elding
Screw

Clamp,

Pressure spring

Guide

Spacer

02

Nut

Light

3032 1 Washer

Sc.rew

0354

head

assembly comp]. 1/4"

head assembly compl. 1/4"

head

chassis

guide cup

M4x8

head

1/4"
1/4",2-track

1/4",4-track

head

1/4"

head

1/4",2-track

head

1/4"

mounting

plate

screw

M3x7

housin9,

internal

housin9,

outer

pin

lid

compl.

M2x4

riveted

dis<

sleeve

M3

gate

comp1.

M3x6

,2-track

,4-track

,4-track

,2-track
,4-track

compl.

,2-track
,4-track

SECTION

---;

i

8/15

i

j

I

11"

~

' ! ' '

•i·

,,

REVOX

BRAKE SYSTEM

13

$

B77

SECTION

8/12 -

•

•

•

•

:

~'H'!lJ1lQiL"®F3

BRAKE SYSTEM

I

INDEX

i

I

i

I

i

from

from

RE\lox

I QTY I

I

2

01
02 ~ 2
03
04
05
06

07

08
09
10
11 l 2

12
13 i 3
14

15

16
17

I

i

2

i

2
2

I 2

I

i

1

I

1

I

1

I

I

6

I

I

I

2

!

I
I

I

1

21618

1 1.014.803.00

21618

1
2

B77

ORDER NUMBER i PART

21.01.4455

23.01.3043
37

.01.0103

1.067 .100.27

1.077 .562.00

1.077 .421.00

1.077 .406.00

1.077.415.00

1.077.411.00

i

24.16.3032

i

21.26.0353

I

23.01.2032

I

21.26.0354

1.014.805.00

1.014.806.00

1.014.808.00

I

1.062.210.06

1.077.100-13

NAME

Screw

M4xS

Washer

Cup

washer

Driver

Brake

droo
Brake band compl.
Brake

chassis
Brake

lever

Brake

lever

Circlip

Screw

(H3x5

max.)

Washer

H3

j Screw

H3x6

I Brake

solenoid

'Brake

solenoid

Plunger

to

brake

Plunger

to

brake

Tension

spring

Tension

spring

compl.

solenoid
solenoid

SECTION

I

8/13

l

@

I

~

I

11/

1

lJ/

_j

II

I

I

I

I

I

I

I

I I I

~

I I ! i

' !

I

i

i

'

: I

9. Speziafversionen

9.1.

ff77

mit Diosteuerung

9.1.1.

Allge<neines

Die

677

mit

·Wiedergabe

zwtschen

es

Schemata

Oi3'Steuerung

fiJr

die Steuerimpuls--Aufnahme

ausgerUstet.

z'Nci

nicht

n6ttg.

zu

verbruuchen

zial·Tookopf

und

werden

durch ist

Steuerimpulse

ZugellOrige

Spuren

eme T

i-st

mit elnem

Die

Steuerimpulse

gespek:hert.

ori:spur

Spe--

fGr

7-3517-37

9. Special Versions

9.1.

677

with slide synchronizing electronics

9.1.1.

Generol

For slide presentations. with synchronous sound

accompaniment, the 877 recorder must be

equipped

with

a

special

da-

and to reproduce the sync

die

impulses are recorded on the "!and" between
the two audio tracks. which means

tracks are

available

production.

Relating circuit diagranis

magnetic

for

stereophonic-

head

to

record

irnpu~s.

These

that

both

sound

rn·

7-35/7-37

9. Versions spklales

9.1.

877

avec

9.1.1. Generali""

Le

magn0tophone 877 avec svnchronisateur

diaposftives est eQuip0

spOCiale

la

lecture

impulsions

pistes. latssant

Schema correspondant

synchronisoteur de

suppl.E!mentaire

des

impulsions

sont

enregistrees

ces

dernieres

d'une

tete

pouf !'enregistremen!

de

comrnande.

entre

absO!umem

diapositiYes:

magnf?t1qUf;

Ce=

Jes

deu:~

hb-res

7-3'517-37

d!::

et

..

9.2, Tonbatldmaschine ff77

9.2.1. Allgemeines

Bai

d<lr

Tonbandmaschine 877

einige Baugruppen abge6ndert werden.

Die

zu Kapite! 5.1. nicht

Baugruppen

s.ind:

Aufoahmeverstarker

Entrerrung

CCI

Entzerrung

Wiede<gabeverstiarker

Entzerruog

Entzerrung NAB

Capstanrnotor 19/38

Zugehi:irige

u n .2321233

1.177.252/253

R

NAB

CCI

R

Schemata

HS

7-23a/7-23b

7-27a/7-27b

9.2.2. Damn

Der

Einfachheit hatber sind nur die von

Norma~vetSion

Tonhiihemchwankungen:

{nach

be/

beooer

bei38cm/$

b<l%er

Frequenzgang:

(i..iber

bei

30

50

bei38cm!s

30

50Hz

abweichenden

DIN

455071

19cml•

ols

0.08 %

als 0.06 %

Band

gemes.$en

20

kHz

22

kHz

18kHz

001

+2

+2

±

19cm!s

Hz

..

Hz... 15 kHz ± 1.5

Hz

...

-20

-3dB

d8

-3dB

1,5JB

Datoo

VU)

!High Sooedl

HS

mussten

identist-'hen

1.177233

1.177.232

1.177253

1.177.252

1.021.302

aufgefiJhrt

9.2.

TaP<>

9.2.1. G«ieral

In

''""''"!

cal wtth those described in chapter
Recording amplifier

CCIR

NAB equalization 1.177.232

Rep~y

CCI

NAB

00

Capstan motor 19!38

Retating circuit

1.177.232/233

1.177.252/253

recorder 877 "HS"

the

HS

version

of

t."1e

oow...,mblies

The folio..ving

877 tape recorder.

had

to

be

assemblies

equalization 1.177.233

amplifier

R equalization

equalization

diagran'.s

9.2.2. Perlormance data

der

For the

sake

of

f&ing from

Wow

(per DIN 45507)

at

7.5 ips

less

than 0.08 %

at

15/ps

less than

Frequency response:

!mea~ur>:!d

atl.5ips

30Hz.

50

Hl

at

151ps

30

Hz

50 Hz

.simplicity, onfy the data dtf·

the

standard version are

and

flutter:

0.06

%

\tia tape. 3!

20kHz

15

kHz

.

22

>.Hz

..

18 kHz

-20

VUl

+2

-3d8

t l 5UB

+ 2

± 1

5JB

-3

(Hi\Ji'

changed.

are

not identi·

51.:

1.177.2$3

1.177.252

1021

7-23al7-2'3b
7-27a/7-27b

listed

dB

Speed!

30200

9.2. Ma;netophone

9.2.1.

Giineralltes

Dans

cette

du!es

sont

modifies.

Les

sont:

Amplificateur d'enregistremsnt

NormeCCIR
Norrne

NAB

Amplificateur de

Norrne

CCIR

Norine

NAB

Moteur

de

cabestan

Schemas

correspondants

1.177

232/233

1.i

77.252/253

B77

version

un

certain nombre

modules diftE!rents

~octure

19i38

9.2.2. Caracteristlques

Afin de simplifier, seules

la

version standard sont donnees

Pleurage:

(d'apres

01

N 45507)

a 19cmis

mei!leur

que

.338cm!s

me1l~u

Re,,onse en frequence:

t

...

a 19cm!s

30HL.

50

<i38cm/&

30

50Hz

0,08 %

que 0,06 %

!o:unis.Ht;-r'l"lE!11Hecture.

:20kHz

Hz

15

l-,Hz

Hz

22

l.Ht

.18~Hz

m.-~Lnt!

+ 2

t 1.5

+ 2

:t

1,5dB

"HS" ( Hi9h

du

1.021.302.00

7-23a/7
7-27a/7-Zlb

tes

caractE!ristiques

,)

-20

dB

~3.JB

~18

d8

-3...iB

Speed)

de

chapitre 5

1.177.233

1.17723:2

1.177.253

1177.252

-230

VU!

9-i

rno-

'!

de

.~;iuschspannungsab$t.and:

<:h

ASA-A 2·Spurl

·ogen

euf

Voliauss1'!uerung

emfs

!OdB

1S·Einstellung:

t>IJ.19cm/s

JOX

601

4dB

'/OX

621

4d8

.'OX

631

6d8

38cmls

>65d8

(514 nWb/rnl

t>U·38 cm/s

2 dB

2.5dB
4 dB

Signal

to

no;se

(1,veighted

as

half track

at

>66dB

per

7.5ips

BIAS adjustment:

REVOX

601

REVOX

621

REVOX

631

ratio:

ASA·A

[>U-7_5ips

4 dB

4 dB

6dB

measured

at

15ips

>65d6

via

[>U·15 ips

2

dB

25dB

4

dB

tape)

Rapport signal/bruit:

(d'epres

ASA-A,

2 pistes

s 19cm/s

>66d8

Ajustement

REVOX
REVOX

REVOX

enregistrernent-lecturel

du

courant

t>U·19cm/s

601 4 dB

621

4 dB

631

6dB

s38cm/s

>65dB

do

prr!magnetisation:

[>U·38cm/s

2

dB

2,5dB

4

dB

ru.ngen

vorbehaHen

r~

and

ed1te<J

!E.F~

!NI

1d~irasse

!05

by

REVOX

CAL

DOCUMENT A Ti

10

Regt.•n~orf,Zuw:h

9-2

Copyright

Pr•111W

Order no. 10.18.1801 !Ed.

ON

Subject

to

by

Wilh Studer

10

$w1tzer!~nd

change

AG

0884;

Sous

reserve

de

mochtication.