SPECIAL-VERSIONS
SCHA
NGSSAMMLUNG
RECUEIL
DE
SCHEMAS
SET
OF
SCHEMATICS
INHAL
TSVERZEICHNIS
CONTENTS
REPERTOIRE
Bezeichnung Seite
B77
DIA
Einbau
des
Dia Synchronisations-Kit 5 Installation
Dia
Synchronisationsprint
1.177.270 7 1.177.270
877 SYNC
Audio Blockdiagramm I B77 SYNC 9
Funktionsdiagramm I B77 SYNC
Aud io-Verbindungspri
(mit
SYNC-Verdrahtung) 1.177.210
SY
NC-Ei ngangsverstarker
1.177.223 13
SYNC-Verstarker
1.177.275 15
SYNC-Verstarker (NAB
1.177.285
SYNC-Verstarker (IEC
1.177.286 19
nt
(9,5-19
19-38cm/s)
cm/s)
19-38
cm/s)
Description
877
DIA
SI
ide Synchronizer
B77 SYNC
Audio
Block Diagram I B77 SYNC 9
10
Function Diagram I B77 SYNC
Audio
11
17
Interconnection Board
(with SYNC-wiring) 1.177.210
SYNC-Input
1.177.223 13
SYNC-Amplifier
1.177.275
SYNC-Amplifier (NAB
1.177.285
SYNC-Amplifier
1.177.286
of
Slide Sync
Amplifier
(3.75-7.5
(I
EC
Kit
7.5-15
7.5-15
ips)
ips)
ips)
Page
Designation
817
DIA
Montage
5
Circuit "Slide Synchronizer"
1.177.210 7
7
B77 SYNC
Schema
Diagramme
10
Circuit d'interconnexion audio
(avec
11
Amplificateur d'entree SYNC
1.177.223 13
Amplificateur SYNC
15 1.177.275 15
Amplificateur SYNC (NAB
17
1.177.285
Amplificateur SYNC
1.177.286
19
du
Slide Sync
bloc audio I B77 SYNC 9
des
cablage SYNC) 1.177.210
Kit
fonctions 10
(9,5-19
(I
EC
cm/s)
19-38
19-38
cm/s)
cm/s)
Page
5
11
17
19
877
AUTO
AUTO-Start Verdrahtung
Audio-Verbindungsprint
(mit
AUTO-Verdrahtung) 1.177.210 23
AUTO-Start Print
1.177.276
B77
HS
Aufnahmeverstarker (NAB
1.177.232
Wiedergabeverstarker (NAB
1.177.252
Aufnahmeverstarker
1.177.233
19-38
cm/s)
19-38
cm/s)
(I
EC
19-38
cm/s)
3
877
AUTO
21
AUTO-Start Wiring
Audio
Interconnection Board
(with AUTO-wiring) 1.177.210
AUTO-Start Board
25 1.177.276
B77
HS
Record
Amplifier
27 1.177.232
29
31
Reproduce
1.177.252
Record
1.177.233
Amplifier
Amplifier
(NAB
(NAB
(IEC
7.5-15
7.5-15
7.5-15
ips)
ips)
ips)
B17
AUTO
Cilblage AUTO-start
21
Circuit d'interconnexion audio
(avec
23
25
27
29 (NAB
31
cilblage AUTO) 1.177.210
Circuit AUTO-start
1.177.276
877
HS
Amplificateur d'enregistrement
(NAB
19-38
cm/s) 1.177.232
Amplificateur
Amp I ificateur d'enregistrement
(I
EC
19-38
de
19-38cm/s)
cm/s) 1.177 .233
lecture
1.177.252
21
23
25
27
29
31
Bezeichnung
- 'Seite
Description
Page
Designation
Page
Wiedergabeverstarker
1.177.253
877
LS
Aufnahmeverstarker (NAB
1.177.237
Wiedergabeverstarker (NAB
1.177.257
877
SLS
Aufnahmeverstarker (NAB
1.177.238
Wiedergabeverstarker (NAB
1.177.258
Oszillator
1 .177 .240/242
Drehzahlregelung
1 .177 .325/326/327
(I
EC
19-38
cm/s)
4,75-9,5
4,75-9,5
2,38-4,76
2,38-4,76
cm/s)
cm/s)
cm/s)
cm/s)
Reproduce Amplifier
1.177.253
33
B77
LS
Record Amplifier (NAB 1
1.177.237
35
Reproduce Amplifier (NAB
1.177.257
37
877
SlS
Record Amplifier (NAB
1.177.238
39
Reproduce
1.177.258
41
Oscillator
1 .177.240/242
43
Speed
1.177.325/326/237
45
Amplifier
Control
(I
EC
15/16-1
(NAB
7.5-15
7/8-3
17/8-33/4
15/16-1
ips)
3/4
7/8
ips)
ips)
7/8
ips)
ips)
Amplificateur
(IEC
33
35
37
39
41
43
45
19-38
B77
LS
Amplificateur d'enregistrement
(NAB
Amp I ificateur
(NAB4,75-9,5cm/s)
877
SLS
Amplificateur d'enregistrement
(NAB
Amplificateur
(NAB
Oscillateur
1.177.240/242
Regulation
1.177.325/326/327
de
cm/s) 1.177.253
4,75-9,5
de
2,38-4,76
de
2,38-4,
76 cm/s) 1.177 .258
de
vitesse
lecture
cm/s) 1.177.237
lecture
1.177.257
cm/s) 1.177.238
lecture
33
35
37
39
41
43
45
Anderungen vorbehalten
Printed in Switzerland
by
WILLI
STUDER 18.226.979
Copyright by Willi Studer
CH-8105 Regensdorf-Zurich
Subject
to
change
Sous
reserve
de
modificati'on
4
DIASTEUERUNG 1.177.270
Slide synchronizing electronics 1.177.270
Synchronisateur de diapositives 1.177.270
Mit
einem eingebauten Spezial-Tonkopf und
angeschlossener Laufwerk-Fernbedienung,
moglicht diese Schaltung Steuerimpulse for den
Bildwechsel bei handelsublichen Dia-Projektoren
auf
Band
zu
bringen.
Eine Anpassung der Steuerschaltung
diverse Projektor-Fabrikate ist gewahrleistet,
indem uber einen galvanisch getrennten Relaiskontakt
geschaltet wird.
Ober die beiden Steuertasten RECSLl DE und SET-SLIDE, werden die folgenden
Betriebszustande gewahlt:
Wiedergabe von Schaltimpulsen
Sperren der Wiedergabe von bereits aufgezeichneten Schaltimpulsen (wichtig bei bespielten 4-Spur Bandern)
Losch
en
sowie Setzen von ( neuen) Im-
pu\sen
Es
werden 1 kHz Sinussignale aufge-
zeichnet. Die Loschung
Die genaue
ist
aus
der Tabelle ersichtlich. Ein Ausserbetriebsetzen
bedienung ist mittels eines beschalteten Blindsteckers moglich.
des
Relais ohne angeschlossene Fern-
erfolgt
Funktion
mit
Gleichstrom.
der Steuertasten
er-
an
A special magnetic
slide synchronizing electronics makes
to
record
control
back, these impulses
in any commercially available projector, when
connected
operational
REVOX
of
of
separate relay contacts.
and SET-SLIDE on the remote control device,
the
lected:
as
impulse head
corded quarter track tapes).
impulses.
ton
relay
nected
plug
B77 remote
Reliable operation
projectors
the slide advance mechanism
By
following
Reproduction
pulses.
Disabling
not
to
Erasure and recording
The exact
can
be
without
to
the recorder, a suitably wired
has
to
head
in
conjunction
impulses on tape. Upon play-
will
effect a picture change
to
the B77 recorder. Th
only
in
conjunction
control
device.
with
is
ensured
means
operating conditions
respond
(important
seen
a remote
be inserted in the remote receptacle.
by
the fact
of
the
buttons
of
control
of
the synchronizing
to
signals scanned
when playing
function
from
of
the table.
control
each
with
it
possible
is
system
with
different
that
control
is
effected
REC-SLIDE
can
(switching) im-
circuit
by
fully
of
(new)
control
control
To
disable the
device con-
dummy
makes
be
but-
the
the
by
se-
the
re-
Ce
circuit
monte dans un B77 equipe d'une tete
pilote
et raccorde a
permet
la
commande par
teur
de diapositives.
La
commande par
isoles galvaniquement du circuit, s'adapte a
is
n'importe
SLI DE et SET-SL\ DE
suivantes:
commande
pistes).
(nouvelles) impulsions.
trains
so
ment
commande sont donnees par
hors
mande a distance, peut
borne pontee.
quel
Les
deux touches
Lecture
Blocage
(important
Effacement ainsi qu'enregistrement
Ces
impulsions sont constituees par
d'un
signal sinuso"idal
s'effectue par courant continu.
Les
fonctions exactes
fonction
type
de projecteur.
des
impulsions
de
la
du relais
la
commande a distance,
la
bande
les
contacts du relais,
de
commande REC-
permettent
de
lecture
des
pour
\es
de
1 kHz. L'efface-
des
la
tabelle.
sans
l'aide
se
faire
avec
d'un
projec-
\es
fonctions
commande
impulsions de
appareils 4
des
des
touches de
La
mise
de
la
com-
une fiche
4,7k
4,7k
REMOTE
CONTROL
DIA
PILOT MUTING SWITCH
(ONLY
FOR
4-TRACK
VERSIONS)
PILOT
PILOT
HEAD
HEAD
2-TRACK
4-TRACK
1.116.082-01
1.116.083-01
STANDARD VERSION
0 0
REMOTE CONTROL
D
D
D
D
D
CAPSTAN
SPEED
D
D
D
D
TAPE
DRIVE
SYNC. PULSES SET
REMOTE
1.128.045
CONTROL
SLIDE
SYNC
VIA
UNIT
SU
DE
PROJECTOR
P1
I I I
0 0
J10 0
0 0
0 0
P2 P3
0
0
AUDIO
INTERCONNECTION
red
org
-
BOARD
1.177.210
WIRING
CROSSFADE UNITS
FOR
REMOTE
0
CAPSTAN
SPEED
SLIDE PROJECTOR
SLIDE PROJECTOR
CONTROL
TAPE
DRIVE
0
SLIDE
SYNC
PILOT
HEAD
2-TRACK
PILOT
HEAD
4-TRACK
,......,..++------~
AUDIO
INTERCONNECTION
BOARD
1.177.210
1.116.082-01
1.116.083-01
PILOT HEAD
REMOTE CONTROL
SLIDE
~lmfl[Q)rn::U2J
INSTALLATION
RfYox
OF
SLIDE SYNC.
877
KIT
ED2 09.79
DIA
5
+
2.1
v
S-SUDE
ov
'I-REC
r------
+ c
14
47µ
B
2
5
I
I
R6
l2k
R 7
1,Bk
RS
!Ok
--------
07
Q6
D5
I
R
15
11t
Z2k
Q
a&
Di
D6
09
2
D
11
..•
...
·
...
-
R
J,Jk
QZ
Q
ti.
}
BC
107
aw
.D
D
i1
"}
B
1N4~4S
------
21i
R
21
10k
R2.7
JJ k
R
12
22
k
RS
22k
--
Q10
QB
-
+ c
3.3f
10
--
-
--
-
--
-
R
1,Bk
R19
J,3
--
22
-
---
0,1,µ
k
--
-
--
-
---
D4
R
11
33k
--
R
10
J,3k
-
--
-
---
---
+
I
21V
a1
BC
11fJ
B
R2
15k
113
QS
B c
tosc
R
13
1M
R
23
J,Jk
R25
330
C3
0,1,µ
R 9
RJ
8,1k
4,1
k
D
fO
I
C7
...J.:;.
*
"""!"!'
,o.~,µ
+
21V
k1
---
n
0,1,.u
[__:
__
I
~11
;)~
I
p~I
re
cl
SllDE
S~NC.
CONNECTOR
C1
0,1µ
R15
3,3k
0,11f1
*
P3
org
L_
Schaltbefehl
PLAY
PLAY+
PLAY+
PLAY+
PLAY+
SLIDE-REC
REC+
Vorwahl
REC+
SLIDE-REC
REC+
SLIDE-REC
+SET-SLIDE
Funktion
Wiedergabe Steuerimpulse
Wiedergabe Steuerimpulse
gesperrt
normale NF-Aufnahme
Liischen der Steuerimpulse
solange
SET gedruckt,
wird Steuerimpuls gesetzt
(kurz und
lang
miiglich).
Effected switching
PLAY
PLAY+
SLIDE-REC
PLAY+
REC+
PLAY+
REC+
PLAY+
REC+
SLIDE-REC
+SET-SLIDE
preselected
SLIDE-REC
DIA
PILOT
MUTING
SWITCH
OF!='
ON
Resulting function
Reproduction
impulses
Reproduction
impulses disabled
Normal audio recording
Erasure
Recording
as
long
is
kept
of
of
of
control impulses
of
a new impulse
as
the
button
depressed.
control
control
SET
Com
man
de
PLAY
PLAY+SLIDE-REC
PLAY+
REC+
preselecteur Enregistrement
PLAY+
REC+
SLIDE-REC Effacement
PLAY+
REC+
SLIDE-REC Enregistrement
+ SET-SLIDE pulsions
Fonction
Lecture
des i m-
pulsi
ons
Blocage
de
des
impulsions
normal
pulsions
de
de
aussi
longtemps que
touche SET
la
lecture
BF
des
im-
commande
des
im-
commande
reste
enfoncee.
--------
~u(1=JJ[Q)~~
la
SLIDE SYNCHRONIZER
1.177
.270/290
1.177. 2 70-12
FOR
4-TRACK
REMOVE
1.177.270
2
·TRACK
C11
VERSION 4
REVox
J
VERSION
FOR
USE
ONLY
(KIT
74504)
WITH
ROLLE I P3800
1.177.290
-TRACK
VERSION
track 1
,§i:[E'.,;\';f.::nli\)J;.f}'iii:iK'/
track
2'
_____
tcack 3
PILOT
"pi$.liifi.\<i/&'tl.'Ji'.8
track (track 4)
___,_,
877
DIA
ED2 09.79
7
.,,
...
jc.
c
C•
11
c•J
0
:::.
;:.
"
,.
"'
-
LQ
"0
LQ
RQ
,rn
L
R
·rn
0
0
0
0
POS
NO I PART NO
VALUE
SPECIFICATIONS
EQUIVALENT
MFR
c
c
c
c
c
c
c
c
c
c
c
c
c
c
D
D
D
D
D
D
D
D
D
D
D
01
03
04
05
06
07
08
09
10
11
12
13
14
15
01
02
03
04
05
06
07
08
09
10
11
59.3L6104
59.31.6104
59.31.
59.32.0100
59.31.6104
59030.1470
59a30.6339
59.30.6339
59.31.1224
59.3L6104
59031.6104
59.22.5470
59
50.,04.0109
50.04.0109
50.04.0109
50.04.0109
50.04.0119
50.04.0109
50.04.0109
50.04.0109
50.04.0109
so.
50.04.0109
..
31.
04
1224
6104
.•
0109
0,1
0,1
0,1
0,
0 p 1 u
3,3
3
0,22
0,1
0,
0,1
lN
lN
lN
lN
z
lN
lN
lN
lN
lN
lN
22
10
47
'3
l u
47
4448
4448
4448
4448
15
4448
4448
4448
4448
4448
4448
u
u
u
u
p
u
u
u
u
u
u
u
10%
10%
10%
20%
20%
10%
-20%
-20%
20%
10%
-10%
10%
15V
lOOV MPETP
lOOV MPETP
lOOV MPETP
lOOV MPETP
SOV
100V
3V
35V
lOOV MPETP
25V
lOOV MPETP
5%
CER
MPETP
TA
TA
EL
400mW
any
IC
1
K
01
p
01
p
02
p
03
p
04
Q
01
Q
02
Q
03
Q
04
Q
05
Q
06
Q
07
Q
08
Q
09
Q
10
TI
=
N =
S =
0 =
50.05.0257
56.99.0116
54001.0470
54.01.0470
54.02.0328
54.02.0328
50.03.0318
50.03.0436
50.03.0436
50.03.0436
50.03.0439
50.03.0436
50.03.0436
so.
50.03.04T6
50.03.0436
Texas
National
Siemens
Omron
03.
Instr.
043
6
LM
301
l x u
4-Pole
4-Pole
BC178B
BC107B
BC107B
BC107B
BC109C
BC107B
BC107B
BC107B
BC107B
BC107B
MPETP =
TA = tantalum
EL =
CER =
24V
PIN-Strip
PIN-Strip
Flat
Flat
metallized
polyester
electrolytic
ceramic
Pin
Pin
0,8
0,8
IND DATE
AMP
AMP
AMP
AMP
PNP
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
Lu./
NAME
TI,
S,
any
gv
N
0
ltt.
STUDER
8
SLIDE
SYNCHRONIZER
2 / 4 TRACK
1.177.270/290
POSNO
PART NO
VALUE
SPECI
Fl CATIONS
EQUIVALENT
MFR
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
57
.41.4682
57
.4l.4153
57
.41.4822
57.
41.
4271
57
.41.4223
57
.41.4223
57
.41.4182
57
.41.4103
57
.41.4472
57
..
4L4332
57
.4L4333
57
.41.4223
57
.41..4105
57
.41.4223
57.41.4332
57
.41.4332
57
041.4103
57.4L4333
57
.4L4332
57
..
4L
4183
57.41.4103
57
.4L4182
57.41.4332
57.41.4332
57
e4l.4331
57.41.4333
57.41.4333
6,8
k 5%
k
15
8,2
k
270
22
k
22
k
1,8
k
10
k
4,7
k
k
3,3
k
33
22
k
M
1
22
k
k
3,3
k
3,3
10
k
k
33
k
3,3
18
k
10
k
1,8
k
3,3
k
k
3,3
330
33
k
33
k
.25W
CF
CF = Carbon
Film
SLIDE
SYNCHRONIZER
2/4
TRACK
©
@
@
CD
0
8.6.78
IND
1.177.270/290
DATE NAME
Lu./gv
lAG~
fit
of
AUX
01---------
MIC
R - L
INPUT
1.177.
AMPLI
223
FIER
SYNC
AMPLI
1.177.275 (285)
Fl ER
RECORD
1.177.230
AMPLIFIER
OSC
I LLATOR
1.177.
240/2
42
ERASE
HEAD
RECORD
HEAD
REPRODUCE
HEAD
REPRODUCE
1.177.250
AMPLI
Fl
ER
MONITOR
1.177.260
AMPLI FI
ER
ATTENUATOR
LINE
OUTPUT
MIC
FROM RIGHT
C
HANNEL
FR
OM
LEF
CHANNEL
T
r - - - - - - - .
I
I
----+
I ...
L---
REC/o-
SWITCH
LEFT
SWITCH
---
-
-t-----
· •·~
-
-------+-----,
~
RIGHT
SWITCH
RECORD
INDICATOR
I
_J
~
RECORD
INDICATOR
v~
AU
X
Qr--------
L - R
ERAS
HEAD
0
E
RECORD
HEA
D
REPRODUCE
HE
AD
0
0
PHONES
OUTPUT
DIN
OUTP
UT
LINE
OUTPUT
A
TTENUATOR
~
(!d)
[Q)
~
RE.Vax
AUDIO BLOCK DIAGRAM
877 SYNC
877 SYNC
ED1
09.79
g
Schaltungsbeschreibung
REVOX 877 SYNC
zu
Tonbandgeriit . '
Circuit description for REVOX
recorder
B77
SYNC tape
Explications des circuits pour
REVOX
877
SYNC
ie
magnetophone
Funktionsbeschrieb
Der I inke Kanai (obere Spur
kopfes)
wird
auf einen speziell dafUr entzerrten
Wiedergabeverstarker gefUhrt und in den Signalweg
"vor
Band" geschaltet. Eine zuvor
linken Kanai gemachte Aufnahme kann beim
Abspielen (Monitor-Schalter auf Position INPUT)
ab
dem
Aufnahmekopf
werden. Der linke Kanai kann auf die gleiche
Weise
abgehiirt werden, auch wenn
auf
Aufnahme geschaltet ist.
Dadurch ist
· Kanai ohne zeitliche Verschiebung zwischen
Aufnahme- und Wiedergabekopf
Eine Verriegelungslogik verhindert,
linke
Kanai
nicht
geschaltet wird
leuchtet n icht).
es
versehentlich auf Aufnahme
(LED
des
Aufnahme-
auf
dem
wiedergegeben
das
Gerat
miiglich, den rechten
zu
bespielen.
dass
der
for Aufnahmevorwahl
Spezielle Baugruppen
SY NC-Ei ngangsversta rker
SYNC-Verstarker
Betriebsartenwahlschalter (hinter der Abdeck.klappe)
Das
Umschalten
Drucken der Taste
Fernbedienung erfolgen.
auf
SYNC-Betrieb kann durch
"SLIDE-REC"
1.177.223
1.177.275
auch uber die
Functional details
The signal
cording head), which corresponds
channel,
ized playback
"INPUT"
track 1
ing
Headphone
ner
recording mode.
laid down
placed
and recording
track 1
is
selected
become luminous).
of
track 1 (upper section
is
fed
to
a separate, especially equal-
amplifier
signal path. A recording existing on
can
thus
head
(monitor
monitoring
is
possible
This permits a second recording
on
by
the distance between the playback
is
not
possible when this operating mode
(LED
from
where
be
replayed through the record-
selector
even
track
heads.
for
in
position INPUT).
of
track 1 in this man-
with
the machine in the
2,
yet
without
Accidental recording
record preselection
Special components
SYNC
input
amplifier
SYNC
amplifier
Operating mode selector (behind
Remote switching
effected also
the 877 remote
via
control
to
SYNC operation
the
button
device 128.040.
front
"SLIDE-REC"
of
the
to
the
it
enters the
to
being dis-
will
1.177.223
1.177.275
flap)
can
Description des fonctions
Le
canal gauche (piste superieure
re-
registrement) est amene par un amplificateur
left
correcteur
avant bande.
canal gauche peut etre ainsi ecoute (commutateur
tete d'enregistrement.
egalement etre
commute
ment sur
temps entre
be
lecture.
tronique
on
canal gauche (la LED du preselecteur d'enregistrement
not
de
lecture speciale a
Un
enregistrement effectue sur
TAPE/INPUT
en
Cela
le
En
evite
ne
en
position INPUT) par
Le
canal gauche peut
Ju,
meme lorsque l'appareil est
enregistrement.
permet
d'effectuer
canal
droit
sans
la
tete d'enregistrement et
enregistrement un verrouillage elec-
tout
risque d'enregistrement du
s'allume
pas).
Sous-ensemble speciaux
be
on
Amplificateur
Amplificateur
Commutateur
escamotable)
La
commutation
egalement
REC
de
d'entree
"SYNC"
en
la
commande a distance.
"SYNC"
de
mise
en
de
fonction
appuyant sur
service (sous
la
de
la
tete d'en-
la
ligne audio
un
enregistre-
decalage dans
la
tete
1.177.223
1.177.275
le
cache
SYNC
se
touche SLIDE-
le
la
le
de
fait
Elektronik
1.177.223
Zusatzlich
gnalpfad
unterbrochen und uber ein Relais gefUhrt.
durch wird eine schaltbare Einspeisung
Aufnahmekopf
Signals miiglich. Die Auskoppelung
melschiene
1.177.275
Die Verbindung ( Kabelbund, gesteckt) zwischen
Aufnahmekopf
Print gefUhrt. Dadurch ist ein schaltbarer
zum
(obere Spur)
auf
sc
hwi n dig
geschaltet.
zu
der Standardversion wird der
des
linken Kanals vom Eingang her
kommenden und verstarkten
erfolgt
mittels
und Oszillator wird uber diesen
Aufnahmekopf
des
Aufnahmekopfes wird uber
ein HF-Sperrfilter
kei
tsabha ngig-en tzerrten
Si-
Da-
des
vom
auf
die
Sam-
IC
2.
Zugriff
miiglich. Der linke Kanai
Kl
mit
nachfolgendem
ge-
Verstarker
10
Electronics
1.177.223
Unlike in the standard version, the
path
of
the
left
channel
passes
via the change-
over contacts
amplified signal
head
Coupling
IC
2.
1.177.275
The plugable connection
the recording
circuit
cess
to
responds
head,
trap, which
tape
speed
of
a relay. In this manner, the
as
picked up
may
be
fed
into
to
the signal
head
is
board, thereby providing switchable
the recording head. Track
to
the upper section
can
thus
be
connected via K 1
is
followed
dependent equalization.
by
the
monitor
bus
is
effected through
from
the oscillator
routed via this printed
of
by
an
amplifier
input
signal
the recording
circuit.
to
ac-
1,
which cor-
the recording
to a bias
with
Electronique
1.177.223
Contrairement a
audio d'entree du canal gauche
d'un
relais.
plifier
le
signal provenant
ment. L'accouplement a
audio
se
fa
1.177.275
Ce
circuit
gistrement et l'oscillateur.
par
commutation a la
canal gauche (piste superieure) de
registrement est amene par
rejection HF, puis a
d'adaption a
it
sert
Ceci
avec
la
de
vitesse
la
version standard
passe
permet
de
commuter
de
la
tete d'enregistre-
la
barre collective
IC
2.
liaison entre
II
permet d'acceder
tete d'enregistrement.
K1
l'amplificateur
de
defilement.
au
et d'am-
la
tete d'enre-
la
tete d'en-
a un
filtre
correcteur
la
ligne
travers
Le
de
Ober einen verzogerten FET-Scholter
langt
das
Signal auf
den
Eingangsverstiirker
1.177.223.
Um
den
Signalpegel bei SYNC-Betrieb
dem Wiedergabepegel anzupassen, kann die Ver-
stiirkung im Entzerrer
mit
R22 veriindert wer-
den.
ge-
Through a time delayed FET switch, the
signal
reaches
the
input
amplifier 1.177.223.
Gain adjustments
level
for
playback
SYNC operation
are
possible
by
to
with
means
equalizer.
match the signal
that
of
normal
of
R22 in the
Un
circuit
FET retarde amene
l'amplificateur d'entree 1.177.223.
Le
potentiometre R22 permet,
tion
SYNC, d'adapter
le
niveau du signaf
ture.
ce
signal a
en
de
fonc-
lec-
SYNC-Montage
( Ersichtl ich
tion
Board")
aus
Schaltbi
Id
"Audio
I nterconnec-
SYNC-Einsteilung
Linker Kanai, N.F-Eingang
0,775V
OdB
an
Anschluss
mit
1 kHz
AUX-INPUTein-
speisen.
Geriit auf Aufnahme starten und
ca.
eine
Minute aufnehmen.
SYNC-Betrieb einstellen, Monitor-
schalter abwechslungsweise auf TAPE und IN-
PUT schalten und
mit
R22 (SYNC-Amplifier
1.177.275) auf kleinsten Pegelsprung einstellen.
SYNC assembly
(for
details check circuit diagram
"audio
inter-
connection board")
SYNC calibration
Feed
left
channel
1 kHz/0.775 V (0 VU)
AUX
input.
into
the
Start the machine in the recording mode
and
record
for
1 minute approximately.
Select SYNC operation. Alternate the
monitor
selector between TAPE and IN PUT
and
adjust R22 (in the SYNC amplifier 1.177.275)
for
equal levels.
Montage SYNC
(Vair
le
schema
"Audio
Interconnection
Board")
Reglage
SYNC
lnjectez a l'entree auxiliaire
1 N PUT du canal gauche un signal
de
0,775 V, 0 dB
Demarrez l'appareil
en
enregistrement
pour une duree d'environs 1 minute
Enclenchez
I' aide du commutateur
les
niveaux et corrigez eventuellement a l'aide
de
R22 du
la
TAPE/INPUT,
circuit
fonction
SYNC, puis a
comparez
amplificateur SYNC
1.177.275.
AUX-
1 kHz a
INPUT
AMPLIFIER
OFF
RECORD
EQUALIZER
BIAS
OSCILLATOR
REC
LEFT
FUNCTION
LEVEL
DIAGRAM
0
ON
SYNC
B77
SYNC. EQUAL.
AMPLIFIER
SYNC
LOW
PASS
MONITOR-und SYNC.-Schalter Positionen
Linker Kanai
Left
channel
Canal
gauche
Wiedergabe-Signal vom Wiedergabekopf
Reproduce signal
Signal enregistre
from
de
reproduce
la
tete
de
head
lecture
Eingangssignal links
Input
signal
left
OFF
TAPE TRANSPORT
MONITOR
Monitor
Monitor
and
Schalter
switch
Commutateur
TAPE
INPUT
• INPUT
I MONITOR
' TAPE
SYNC switch positions
Sync. Schalter Rechter Kanai
Sync. switch Right channel
Monitor
Commutateur Sync.
OFF
OFF
Positions
Canal
du
droit
commutateur
MONITOR
Wiedergabe-Signal vom Wiedergabekopf
Reproduce signal
Signal enregistre
from
de
reproduce
la
tete
de
head
lecture
Eingangssignal rechts
Input
signal right
et
SYNC
Signal d'entree gauche
Wiedergabe-Signal vom Aufnahme-(SYNC-)
Reproduce signal
Signal enregistre
from
record (SYNC)
de
la
tete d'enregistrement
Frequenzgang:
19
cm/s 125
38 cm/s 125
Hz
... 12 kHz +
Hz
... 15 kHz +
2/-3
2/-3
head
dB
dB
Kopf
INPUT
Frequency response:
19 cm/s 125
38 cm/s 125
ON
Hz
... 12 kHz +
Hz
... 15 kHz +
2/-3
2/-3
dB
dB
Signal d'entree
droit
Eingangssignal rechts
Input
signal right
Signal d'entree
Reponse
en
frequence:
droit
19 cm/s 125
38 cm/s 125
Hz
... 12 kHz +
Hz
... 15 kHz +
2/-3
2/-3
dB
dB
TO SYNC
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SPECIFICATIONS
EQUIVALENT
MFR
(1)
J
01
J
02
J
03
J
04
J
05
J
06
J
07
J
08
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09
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09
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R
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R
11
12
R
R
13
R
14
R
15
R
16
R
17
s 1
S2-S4
S5-S7
54.01.0524
54.01.0218
54.01.0217
54.01.0263
54.01.0217
54.01.0289
54.01.0289
54.01.0289
54.01.0291
54.01.0524
54.0l._Q218
54.
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54.01.0289
54.01.0524
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54.01.0217
54-01.0291
54.02.0320
57.
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57.
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57.41.4104
5
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57.
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4102
57.
41.
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57.41.4224
57.41.4223
57.
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57.
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57.41.4103
57.
41.
4102
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57.
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4224
57.11.4334
1.177.210.01
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7-Pole
9-Pole
7-Pole
9-Pole
8-Pole
8-Pole
8-Pole
11-Pole
4-Pole
7-Po~-
6-Pole
8-Pole
4-Pole
__
10-!'_o_le
9-Pole
11-Pole
330
330
K
100
K
100
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c
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c
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c
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59.30.4100
59.30.4100
59.30.4339
59.32.1152
59.32.0470
59.25.4221
59.25.3121
59.31.1104
59.22.5470
59.32.0470
59.30.4100
59.30.4100
59.32.3103
59.30.4100
59.25.3121
59.30.4100
59.30.4100
59.30.4339
59.32.0470
59.32.1152
59.30.4100
59.32.3103
59.30.4100
59.
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59.30.4100
59.30.4100
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20%
20%
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+80%
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-20%
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-20%
-20%
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50.04.
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50.05.0245
56.04.0142
54.01.0220
54.01.0470
54.02.0320
54.02.0320
50.03.0496
50.03.0439
50.03.0329
50.03.0329
50.03.0436
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Instr.
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TI,Ray
©
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3
14
POSNO
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06
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07
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50.03.0439
50.
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BC560C
BC109C
BC107B
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PNP
NPN
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MFR
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
57
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57.11.4103
57.11.4103
57
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57
.1L4103
57
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57.11.4472
57.11.4472
57.11.4184
57.1L4223
57
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4224
57.11.4104
57.11.4104
57
.11.
4682
57
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4103
57.1L4470
57.11.4221
57
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57
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4183
57
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4680
57.11.4682
57.11.4105
57
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4333
57
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4104
57.1L4103
57.1L4183
57.1L4330
57
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4470
57
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4224
57.11.4104
57
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57.
1L4104
57.11.4223
57.11.4682
57.1L4183
57.11.4104
57.11.4330
57.11.4221
57.11.4682
57
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4103
57
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4183
57.11.4333
57011.4680
57
.11.
4472
57
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4472
57
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4472
100
10
10
10
10
47
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22
220
100
100
6,8
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47
220
10
18
68
6,8
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100
10
18
33
47
220
100
180
100
22
6,8
18
100
33
220
6,8
10
18
33
68
4,7
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k
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7 k
7 k
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k
k
k
k
k
k
k
k
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1 M
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k
k
k
k
k
k
k
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IND DATE
1.177.223
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R
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R
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47
48
49
50
57
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57.1L4473
57.11.4473
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47
47
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54.01.0470
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Q
Q
Q
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R
R
R
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R
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02
03
04
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01
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04
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08
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10
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57
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57
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57
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57
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57
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14
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15
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16
R
17
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18
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19
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20
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21
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22
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23
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57
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57
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57.11.4154
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57
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57
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57
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57
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c
c
02
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04
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06
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08
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57.11.4102
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57.11.4103
57
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57
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SPECIFICATIONS/EQUIVALENT
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c
c
c
c
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01
02
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05
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59.22.5470
59.25.5220
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59.31.9682
59.11.6272
59.12.4183
59.30.6109
59.22.5470
59.
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59.12.2333
59.30.7100
59.25.3470
47
22
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2700
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160V
160V
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50.04.0125
50.04.0125
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54.01.0306
56.04.0140
54.
01.
0470
54.
01.
0470
54.02.0328
54.02.0328
NAME
1N4448
1N4448
1N4448
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B-Pole
2 x u
4-Pole
4-Pole
2.8x0.8
2.8x0.8
Relay
Flat-Pin
Flat-Pin
Si
Lin
Cis
Cis
Cis
RC4558DN
®
@ I
CD
0
14.8.79
STUDER
20
R.W/gv
Sync-Amplifier
IEC
71/2-15"
IPL
1.177.286.00
!PAGE 1 OF3
j
I
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IND
POS
NO
PART NO
VALUE
SPECIFICATIONS/EQUIVALENT
MFR
Q
Q
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R
R
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01
02
03
04
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50.03.0318
50.03.0436
50.
03.
0312
50.03.0436
57.11.4103
57
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4153
57
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4821
57.11.4821
57.11.4333
57.11.4103
57.11.4474
57
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4103
57.11.4333
BC178
BC178
BC107
2N5460
BC107
10
k
15
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820
820
33
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10
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470
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33
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5%
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PNP
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BC252/30t
BC252/3ot
BC237/54i
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10
11
12
13
14
15
16
17
18
19
20
21
22
23
DATE
57.11.4474
57.11.4102
57.11.4103
57.11.4105
57
.11.
4334
57.11.4102
57.11.4153
57
.11.
4122
57
.11.
4103
57.11.4103
57
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4472
57
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4102
58.19.0102
NAME
470
k
1 k
10
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l M
330
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l k
15
k
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10
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10
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k
4.7
1 k
l k 20%
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PCF
@
@
CD
0
14.8.79
STUDER
R.W/gv
Sync-Amplifier
IEC
7
1I2-1
5"
PL
1.177.286.00
PAGE 2 OF
3
IND
POS
NO
PART NO
VALUE
SPECIFICATIONS/EQUIVALENT
MFR
R
R
24
25
57.11.4224
57.11.4272
220
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CF
IND
DATE
@
@
@
CD
0
14.8.79
STUDER
NAME
R.W/qv
Sync-Amplifier
IEC
7
1I2-1
5"
IPL
1.177.286.00
IPAGE3
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B77
AUTO
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I AUTO - START
R
BOARD 1.177.276
-------
INPUT
LEVEL
CONTROL
LOCAL
PAUSE
SWITCH
BOARD
REW FORW
-----------
PLAY
STOP
~u[lJJLQl~~
AUTO START WIRING
(1.177 .276)
ED1
09.79
21
Schaltungsbeschreibung
REVOX
877
(Zusatz
Diese
Start in Aufnahmebetrieb bei Eintreffen
Schallereignisses.
wahlbaren Zeit
Schallereignisses, wird
auf Stop gesetzt.
MANUAL
die Laufwerktasten, sofern ein
ist,
weiterverarbeitet,
einem I mpuls auf Aufnahme geschaltet wird.
mit
beide Kaniile getrennt eingestellt werden
von der Position der Eingangspegelregler unabhiingig).
der Ti mer N E555 aktiviert. Dieser sendet
ziigert den Stop-I mpuls. Die Verziigerung wird
mit
877
AUTO
AUTO
START
zu
Laufwerksteuerung)
Schaltung ermbglicht den automatischen
Bei
Automatik-Betrieb (Schalter
hinter der Abdeckklappe) werden
ausser
Betrieb gesetzt.
Das
NF-Signal beider
Die Ansprechschwelle fur den Start kann
den Reglern hinter der Abdeckplatte
Nach
Eintreffen
R20 (Print
zu
Tonbandgerat
Logik 1.177.276
Nach
Ablauf einer in Grenzen
nach
Eintreffen
das
Geriit automatisch
Kana
dass
das
Tonbandgerat
des
letzten Signals wird
1.
177.276) eingestellt.
Band
le
des
eingelegt
wird
eines
letzten
AUTO/
derart
mit
fUr
(sie
ist
ver-
Circuit description
START
Recorder
877
AUTO-START
(additional
This
circuit
dependent activation
possible.
recording cycle
able period
to
(AUTO/MANUAL
flap), the tape transport control buttons
abled
is
switching impulse
cuits.
front
justed separately
ment
level controls.
ti
time delayed STOP impulse. The length
time delay
board 1.177.276.
After
stop.
With automatic operation selected
if
the recorder
The audio signal entering both channels
processed in a manner, which produces a
By
flap, the operating threshold
is
independent
If
mer N E555 becomes activated
for
REVOX
Circuit 1.177.276
to
tape transport control)
makes
the automatic audio-signal-
the audio signal
will
be
of
time before the machine returns
switch behind the
is
to
activate the recording cir-
means
of
rotary controls behind the
for
ea_ch
of
an
input
signal
can
be
adjusted
877
AUTO-
of
the recording mode
has
maintained
loaded
the setting
for
with
tape.
channel. This adjust-
of
is
no longer present,
to
with
R22 on circuit
ceased,
an
can
the record
release
adjust-
front
are
be
of
Descriptions
AUTO
logique
(supplementaire
Ce
matique
the
audio. A
matiquement
AUTO/MANUAL,
la
ganes
dis-
fonction.
de
mande d'enregistrement
marrage
glages
ad-
de
glages
active et donne !'impulsion
du retard
a
this
877
circuit permet
de
l'appareil par
la
fin du signal, l'appareil s'arrete auto-
En
bande magnetique
de
commande du mecanisme sont hors
Le
signal BF
maniere a
Le
seuil
de
l'appareil peut etre ajuste par
situes
commutation n'est
de
niveau d'entree.
A
la
se
fait
des
circuits du magnetophone
AUTO
START
1.177.276
au
commande du mecanisme)
la
mise
en
marche auto-
la
presence d'un signal
apres
un temps ajustable.
fonction automatique (selecteur
sous
le
cache
escamotable),
est
mis
en
des
deux canaux
fournir
une impulsion pour
de
l'appareil.
de
commutation pour
sous
le
cache
escamotable.
pas
dependant
fin du signal
par R20 (circuit 1.177.276).
le
"timer"
"stop".
place,
est
la
Le
NE555 est
L'ajustage
877
les
traite
com-
le
les
des
or-
de-
re-
seuil
re-
si
AUTO-START
Da
Eingriffe in
kein Nachrustsatz erhaltl ich.
877
AUTO
AUTO-ST
Threshold-Reglern fur einen oder beide Kanale
einstellen
AUTO-START
seite her einstel
Bemerkung:
Die Ausschaltverziigerung ist
eingestellt, der einstellbare Bereich betragt
0,5
...
30
Montage
das
Geriit notwendig sind, ist
ist
als
Spezialversion erhaltlich.
ART
Einstelhmg
AUTO-START
Ansprechschwelle
Ausschaltverziigerung
len
s.
Regler auf Stellung ON
Logik 1.177.276) von der
( Gehiiuse entfernen).
Das
Tonbandgerat
mit
den beiden
mit
ab
Werk auf 5 s
R20 (auf
Liit-
22
AUTO
START
Installation
The
AUTO
START
as a retrofit
changes
AUTO
AUTO
both
cessible
START
recorder
Note:
The
The delay
30
that
tape recorder must
START
AUTO
Adjust operating threshold on one
channels
Adjust
from
circuit 1.177.276 after removal
from
turn-off
is
s.
electronics
item,
because
of
are
required. The model
calibration
ST
ART
controls switched
to
the desired level.
turn-off
the soldered side
its
delay
adjustable over a
delay
case).
is
factory adjusted
are
not
available
the various wiring
be
ordered
as
ON
with
R22
of
the
AUTO
of
to 5 s.
range
from 0.5
B77
such.
or
(ac-
the
Montage
11
n'en existe
!'adaption speciale
phone B77
speciale.
l'ajustage de I'
"Threshold"
ou
les
1.177.276) sur
Note
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retard est ajuste d'usine a 5
...
reglage
AUTO
ST
ART
pas
de
kit
dans
AUTO
n'est
AUTO
Touche
AUTO
Ajustez a !'aide
le seuil
deux canaux
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le
retard a l'aide de R20 (circuit
le
cote soudure du circuit.
varie
de
0.5
...
de
montage
l'appareil.
en
START
STARTsur
de
commutation pour
30
s.
Le
vente qu'en version
ON
des
deux
s.
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raison
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2,2
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109
BC
107
BC
107
BC
107
BC
109
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05
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06
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07
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10
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14
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22
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23
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24
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25
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26
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28
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29
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31
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32
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33
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50.03.0436
50.03.0436
57
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57.
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57.
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58.02.4223
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57.
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107
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59
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59.99.0259
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03
04
Q
05
Q
Q
06
Q
07
Q
08
Q
09
10
Q
Q
11
12
Q
EL
PC
TA
CER =
PETP=
62.02.1222
62.02.1222
54.01.0270
54.01.0271
50.03.0439
50.03.0407
50.03.0436
50.
50.03.0436
50.
50.03.0439
50.03.0436
50.03.0436
50.03.0407
50003.0407
50.03.0436
Electrolytic
=
Polycarbonate
=
Tantalum
=
Ceramic
Polyester
STUDER
03.
03.
2.2
2.2
10-Pole
BC109C
BC109C
BC107B
0407
0436
Reproduce-Amplifier
BC109C
BC107B
BC107B
BC109C
BC107B
BC107B
BC109C
BC109C
BC107B
mH
mH
8-Pole
5%
5%
Pin-Strip
Pin-Strip
T018
T018
T018
T018
7V2-15NAI
AMP
AMP
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
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@
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0
3.7.78
IND
1.177.252
DATE
Lu./qv
NAME
l
any
PAGE
of
2
30
POSNO
PART NO
VALUE
SPECIFICATIONS
EQUIVALENT
MFR
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
01
02
03
04
05
06
07
08
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
57.
41.
4563
57.
41.
4331
57.41.4154
57.41.4682
57.
41.
4102
57.
41.
4102
57
.41.4391
57.
41.
4680
57.
41.
4470
57.41.4123
57.11.4104
57.
41.
4154
57.
41.
4680
57.41.4102
57.11.4123
57.41.4472
57.
41.
4104
57.41.4153
57.
41.
4182
58.19.0203
57.
41.
4274
57.
41.
4102
57.41.4154
57.
41.
4102
57.
41.
4102
57.
41.
4563
57.
41.
4331
57.41.4680
56
330
150
6,8
390
68
47
12
100
150
68
12
4,7
100
15
1,8
20
270
150
56
330
68
l
l
1
l k
l k
1
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
5%
20%
5%
.25W
CF
.15Wlin.PCF
.25W
CF
R
31
R
32
R
33
R
34
R
35
R
36
R
37
R
38
R
39
R
40
R
41
R
42
R
43
R
44
R
45
R
46
CF=
PCF
57.
57
57.
57.
57.
57.41.4680
58.19.0203
57
57.
57.41.4153
57.
57.41.4274
57.
57.
57.
57.
Carbon
=
Pot.Carbon
41.
4470
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4104
41.
4154
41.
4123
41.
4104
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41.
4182
41.
4102
41.
4472
41.
4391
41.4102
41.
4102
Film
Film
47
100
150
12
100
68
20
12
1,8
15
270
4,
390
l k
7 k
1 k
l k
k
k
k
k
k
k
k
k
k
20%
5%
.15Wlin.PCF
.25W
CF
@)
®
@
(j)
0
IND DATE NAME
3.7.78
Lu./gv
STUDER
Reproduce-Amplifier
7l/2-15NAB
1.177.252
PAGE
of
2
2
LEFT
+
7.1.0V
~-REC·L
O.OV
S-EQF·l
7
9
10
6
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R6
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22p
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+
R17
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PC-BOARD 1.177.230-11
-
1.177.233
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1.177.233
RE.Vax
AMPLIFIER
IEC 7
1/2-~5"
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877
09.79
31
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LQ
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l
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0
R
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--
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BIAS
ADJ.
0
FAST
L
0
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0
FAST
R
0 SLOW
POSNO
PART
NO
VALUE
SPECIFICATIONS
EQUIVALENT
MFR
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
59.11.6272
59.11.
59.11.6272
59.11.
59.22.3101
59.32.0220
59.30.6339
59.30.6339
59.30.6339
59.30.6109
59.30.6339
59.30.1470
59.
59.11.6471
59.11.6332
59.22.3101
59.32.0220
59.30.6339
59.30.6109
59.30.6339
59.30.1470
59.31.9103
59.11.6471
59.11.6332
31.
6272
6272
9103
2700P
2700P
2700P
2700P
100
u
22
p
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3,3
3,3
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u
3,3
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3,3
u
47
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100
u
22
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3,3
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1
3,3
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47
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0,0lU
470
p
3300P
5%
10%
20%
10%
5%
5%
10%
20%
20%
10%
5%
5%
400V
12V
500V
35V
3V
lOOV
400V
400V
12V
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35V
3V
lOOV
400V
400V
PC
EL
CER
TA
TA
PETP
PC
PC
EL
CER
TA
TA
PETP
PC
PC
L
01
L
02
L
03
L
04
p
01
p
02
01
Q
02
Q
03
Q
Q
04
05
Q
Q
06
07
Q
08
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PC
=
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CER =
1.
177
. 2
62.02.1222
1.
177
• 2
62.02.1222
54.01.0220
54.01.0270
50.03.0439
50.03.0436
50.03.0436
50.0'.L0436
50.03.0439
50.03.0436
50.03.0436
50.03.0436
Polycarbonate
Polyester
Ceramic
31.
31.
00
00
2,2
2,2
9-Pole
8-Pole
BC
109
BC
107
BC
107
BC
107
BC
109
BC
107
BC
107
BC
107
mH
mH
s
c
B
B
B
c
B
B
B
STUDER
=
5%
5%
Pin-Strip
Pin-Strip
AMP
AMP
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
@)
@
@
(j)
0
IND
19.4.78
DATE
Fol
s
s
any
any
any
any
any
any
any
any
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NAME
STUDER
32
Record
Amplifier
IEC
71/2-15"
1.
177
. 2 3 3
-00
j 1PAGE
i
of
2
POSNO
PART
NO
VALUE
SPECI
Fl
CATIONS
EQUIVALENT
MFR
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
01
02
03
04
05
06
07
0'8
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
57
.11.
4103
57.11.4103
57
.11.
4123
57
.11.
4123
57.41.4821
57.
41.
4152
58.02.4223
57.
41.
4104
57.41.4154
57.
41.
4563
58.02.4223
58.02.4.223
57.41.4682
57.
41.
4681
57
.41.
4224
57.
41.
4331
57.41.4102
57.41.4224
57.
41.
4104
58.02.4223
57.41.4821
57.
41.
4104
57
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58.02.4223
58.02.4223
57.
41.
4154
57
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57.41.4563
57.41.4681
57
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4224
57 ~ 41.
57.
57.41.4224
57.
41.
41.
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4331
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10
10
12
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100
150
56
22
22
6,8
680
220
330
220
100
22
820
100
1,5
22
22
150
6,8
56
680
220
330
220
100
l k
1 k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
5%
5%
10%
5%
10%
5%
10%
5%
10%
5%
.25W
.12W
.25W
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w
.25W
.1
w
.25W
.1
w
.25W
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w
.25W
CF
CF
CF
CF
CF
CF
CF
CF
CF
CF
CF = Carbon
STUDER
Film
Record
Amplifier
IEC
71/2-15"
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®
Ci)
(j)
0
IND
1.
19.4.78
DATE NAME
177
• 2 3 3
-00
Fol./gv
PAGE
2
of
2
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t
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115mV
Q5
BC108B
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1k
C11
100µ
---------------------------·
------.-----
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----
G.12
&108B
+
0
~
CIRCUIT
PC-BOARD 1.177.250-12
1.177.253
10
16
9
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11i.
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REPRODUCE
1.177.253
REVox
AMPLIFIER
IEC 7 1/2-15"
ED1
877
33
HS
09.79
...---®
REPR
IEC
AMP.7.
5/15
1.177.253
METER
CAL
POS
NO
PART NO
VALUE
SPECIFICATIONS
EQUIVALENT
MFR
c
01
c
02
c
03
c
04
c
05
06
c
c
07
c
08
c
09
c
10
c
11
c
12
c
13
c
14
c
15
c
16
c
17
c
18
c
19
c
20
21
c
c 22
c
23
c
24
c
25
59.25.0162
59.30.6339
59.22.6220
59
.11.
6221
59.25.0162
59.32.0101
59.22.6220
59.32.0101
59.30.6339
59.99.0259
59.
30.
6339
59
.11.
3103
59.30.1101
59
.11.
6561
59.32.0101
59.30.6339
59
.11.
6221
59.32.0101
59.30.6339
59.99.0259
59.25.4101
59.30.1101
59.30.6339
59.11.6561
59.11.3101
1600U
3,
3U
22U
220P
1600U
lOOP 20%
22U
lOOP 20%
3,3U
2700P
3,
3U 20%
0,0lU
lOOU 20%
560P
lOOP
3,
3U 20%
220P
lOOP
3,
3U 20%
2700P
lOOU
lOOU
3,
3U
560P
0,0lU
10%
20%
10%
10%
10%
20%
10%
20%
20%
10%
10%
20%
20%
5%
5%
5%
5%
5%
5%
3V
35V
40V
400V
3V
500V
40V
500V
35V
50V
35V
160V
3V
400V
500V
35V
400V
500V
35V
400V
25V
3V
35V
400V
160V
EL
TA
EL
PC
EL
CER
EL
CER
TA
PETP
TA
PC
TA
PC
CER
TA
PC
CER
TA
PETP
EL
TA
TA
PC
PC
L
01
L
02
p
01
p
02
01
Q
02
Q
03
Q
04
Q
05
Q
06
Q
07
Q
08
Q
09
Q
Q
10
Q
11
12
Q
EL
=
PC
=
TA
=
CER = Ceramic
PETP=
62.02.1222
62.02.1222
54.01.0270
54.01.0271
50.03.0439
50.03.0407
50.03.0436
50,03.0407
50.03.0436
50.03.0436
50.03.0439
50.03.0436
50.03.0436
50.03.0407
50.03.0407
50.03.0436
Electrolytic
Polycarbonate
Tantalum
Polyester
mH
2.2
2.2
mH
8-Pole
10-Pole
BC109C
BC109C
BC107B
BC109C
BC107B
BC107B
BC109C
BC107B
BC107B
BC109C
BC109C
BC107B
5%
5%
Pin-Strip
Pin-Strip
T018
T018
T018
T018
AMP
AMP
NPN
NPN
NPN
NPN
NPN
NP.N
NPN
NPN
NPN
NPN
NPN
NPN
©
@
@
CD
0
4.7.78
IND DATE NAME
Lu./gv
any
STUDER
34
Reproduce-Amplifier
7J/2-15"IEC
1.177.253
PAGE
l
of
2
POSNO PART
NO
VALUE
SPECIFICATIONS
EQUIVALENT
MFR
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
57.
41.
4563
57.41.4331
57.41.4154
57.41.4682
57.
41.4102
57.
41.
4102
57.
41.
4391
57
.41.4680
57.41.4272
57
.41.4470
57.
41.
4123
57.11.4104
57
.41.4154
57.41.4680
57.
41.
4102
57
.11.
4123
57.41.4332
57.41.4104
57.
41.
4153
57.
41.
4182
58.19.0203
57
.41.
4474
57.41.4102
57.
41.
4154
57.
41.
4102
57.41.4102
57.41.4563
57.41.4331
57.
41.
4680
57.
41.
4272
57
.41.4470
57.11.4104
57.
41.4154
57.41.4123
57.
41.4104
57.41.4680
58.19.0203
57.11.4123
57.
41.
4182
57.41.4153
57.
41.4102
57.41.4474
57.
41.
4332
57.41.4391
57.
41.4102
57
.41.4102
56
330
150
6,8
390
68
2,7
47
12
100
150
68
12
3,3
100
15
1,8
20
470
150
56
330
68
2,7
47
100
150
12
100
68
20
12
1,8
15
470
3,3
390
1 k
1 k
1
1 k
l k
1 k
1 k
l k
1 k
k
k
5%
.25W
CF
k
k
k
k
k
k
k
k
k
k
k
k
k
20%
5%
.15Wlin.PCF
.25W
CF
k
k
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k
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k
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k
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PCP = Pot.Carbon
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71/2-15
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c
c
c
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c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
59.11.6272
59.11.4472
59.11.6272
59.11.
59.22.3101
59.32.0220
59.
59.30.6339
59.30.6339
59.30.6339
59.30.6109
59.30.6339
59.ll.;:3103
59.30.1470
59.11.3103
59.11.
59.11.6332
59.22.3101
59.32.0220
59.31.6104
59.30.6339
59.30.6109
59.
59.11.3103
59.30.1470
59.11.3103
59.11.6471
59
31.
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6471
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2700
4700
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100
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47
0,01
470
3300
100
22
0,1
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0,01
47
0,01
470
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p
p
p
p
u
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1 u
u
u
u
u
1
u
u
u
u
p
p
u
p
u
u
1 u
u
u
u
u
p
p
5%
2,5%
5%
2,5%
10%
20%
10%
20%
5%
20%
5%
5%
10%
20%
10%
20%
5%
20%
5%
5%
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400V
400V
12V
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35V
160V
3V
160V
400V
12V
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400V
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PC
PC
PC
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MPETP
TA
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TA
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PC
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TA
PETP
TA
PETP
PC
PC
L
01
L
02
L
03
L
04
p
01
p
02
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01
Q
02
Q
03
Q
04
Q
05
Q
06
Q
07
PC
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PETP
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1.
l 7 7 . 2
62.02.1222
1.
l 7 7 • 2 3
62.02.1222
54.01.0220
54.01.0270
50.03.0439
50.03.0436
50.03.0436
50.03.0436
50.03.0439
50.03.0436
50.03.0436
Polycarbonate
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Ceramic
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31.
00
1.
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2,2
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8-Pole
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BC107B
BC107B
BC107B
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s
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NPN
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NPN
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NPN
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0
30.8.78
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s
any
any
any
any
any
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any
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36
Record
Amplifier1
7/8-3
3/4"
1.177.237
PAGE
1
of
2
POSNO
PART NO
VALUE
SPECIFICATIONS EQUIVALENT MFR
Q
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
08
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
50.03.0436
57
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4103
57
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4103
57
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4123
57
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4123
57.11.4821
57
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4222
58.02.4223
57
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57.11~4104
57
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4154
57.11.4563
58.02.4223
58.02.4223
57
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4102
57
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4682
57
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4681
57.11.4224
57
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4331
57
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4102
57.11.4224
57
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4104
58.02.4223
57.11.4473
57
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4821
57
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4104
57
.11.
4222
58.02.4223
58.02.4223
57
.11.
4154
57.11.4102
57.11.4682
57.11.4563
57
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4681
57
.11.
4224
57.11.4102
57.11.4331
57
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4224
57
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4104
BC107B
10
k
10
k
12
k
12
k
820
2
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k
22
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47
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100
k
150
k
56
k
22
k
22
k
1 k
6,8
k
680
220
k
330
1 k
220
k
100
k
22
k
47
k
820
100
k
2,2
k
22
k
22
k
150
k
k
1
6,8
k
56
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680
220
k
1 k
330
220
k
k
100
5%
10%
5%
10%
5%
10%
5%
10%
5%
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NPN
CF
PCF
CF
PCF
CF
PCP
CF
PCF
CF
any
CF = Carbon
PCF = Pot'met.Carbon
Film
STUDER
Film
Record
Amplifier1
7/8-3
3/4"
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30.8.78
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1.177.237
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SPECIFICATIONS
EQUIVALENT
MFR
c
01
c
02
c
03
c
04
c
05
c
06
c
07
c
08
c
09
c
10
c
11
c
12
c
13
c
14
c
15
c
16
c
17
c
18
c
19
c
20
c
21
22
c
c 23
c
24
c
25
59.25.0162
59.30.6339
59.22.6220
59.11.6221
59.25.0162
59.32.0101
59.22.6220
59.32.0101
59.30.6339
59.99.0259
59.30.6339
59.11.3103
59.30.1101
59.11.6561
59.32.0101
59.30.
59
59.32.0101
59.
59.99.0259
59.25.4101
59.30.1101
59.30.6339
59
59.11.
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6221
6339
6561
3101
1600
3
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220
1600
100
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100
3,3
2700
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100
560
100
3,3
220
100
3
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100
100
3,3
560
0,01
u
u
u
p
u
p
p
u
p
u
u
u
p
p
u
p
p
u
p
u
u
u
p
u
10%
20%
10%
5%
10%
20%
10%
20%
20%
10%
20%
5%
20%
5%
20%
20%
5%
20%
20%
10%
10%
20%
20%
5%
5%
3V
35V
40V
400V
3V
500V
40V
500V
35V
50V
35V
160V
3V
400V
500V
35V
400V
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35V
400V
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400V
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TA
EL
PC
EL
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EL
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TA
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TA
PC
TA
PC
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TA
PC
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TA
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TA
TA
PC
PC
L
01
L
02
p
01
p
02
Q
01
Q
02
Q
03
Q
04
Q
05
Q
06
Q
07
Q
08
Q
09
Q
10
Q
11
Q
12
PC
=
PETP=
TA
=
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62.02.1222
62.02.1222
54.01.0270
54.01.0271
50.03.0439
50.03.0407
50.03.0436
50.03.0407
50.03.0436
50.03.0436
50.03.0439
50.03.0436
50.03.0436
50.03.0407
50.03.0407
50.03.0436
Polycarbonate
Polyester
Tantalum
Electrolytyc
STUDE'R
2,2
mH
2,2
mH
8-Pole
10-Pole
BC109C
BC109C
BC107B
BC109C
BC107B
BC107B
BC109C
BC107B
BC107B
BC109C
BC109C
BC107B
Reproduce-Amplifier1
5%
5%
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Pin-Strip
T018
T018
T018
T018
7/8-3
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NPN
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0
IND
11
1.177.257
30.8.78
DATE NAME
Weibel/qv
any
any
PAGE
1
of
2
38
POSNO
PART NO
VALUE
SPECIFICATIONS
EQUIVALENT
MFR
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
57.11.4224
57
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4331
57
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4154
57
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4682
57
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4102
57
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4102
57.11.4391
57
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4680
57
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4332
57
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4470
57.11.4123
57
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4104
57
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57
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57
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4102
57.11.4123
57
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4822
57.11.4104
57
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4153
57
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4182
58.19.0203
57.11.4334
57
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4102
57
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57
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57.11.4102
57
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4224
57
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4331
57.11.4680
57
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4332
57
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4470
57.11.4104
57
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4154
57
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57.11.4104
57.11.4680
58.19.0203
57
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4123
57
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4182
57
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4153
57
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4102
57
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4334
57
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4822
57.11.4391
57.11.4102
57
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4102
220
330
150
6,8
390
68
3,3
47
12
100
150
68
12
8,2
100
15
1,8
20
330
150
220
330
68
3,3
47
100
150
12
100
68
20
12
1,8
15
330
8,2
390
1 k
1 k
1 k
1 k
1 k
1 k
1 k
1 k
1 k
k
5%
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k
k
k
k
k
k
k
k
k
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CF = Carbon
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Reproduce-Amplifier1
7/8-3
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IND
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DATE NAME
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59.12.4183
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SPECIFICATIONS/EQUIVALENT MFR
160V
250V
l60V
PC
MPETP
PC
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
59.12.4183
59.22.3101
59. 3 2.
59.31.6104
59.30.6339
59.30.6339
59.
59.30.6109
59.
59.11.
59.30.1470
59.
59.11.6471
59.11.6332
59.22.3101
59.
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31.
32.
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6339
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0,01
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0,01
470
3300
100
22
u
p
u
u
u
u
u
u
u
u
p
p
u
p
5%
10%
20%
10%
20%
20%
20%
20%
200/o
2,5%
200/o
10%
5%
5%
100/o
200/o
250V
12V
500V
lOOV
35V
35V
35V
35V
35V
160V
3V
lOOV
400V
400V
12V
500V
MPETP
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CER
MPETP
TA
TA
TA
TA
TA
PC
TA
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PC
PC
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CER
IND
@
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c
c
c
c
c
c
c
c
c
20
21
22
23
24
25
26
27
28
DATE
59.31.6104
59.30.6339
59.30.6109
59.30.6339
59.11.
59.30.1470
59.31.9103
59.11.6471
59.11.6332
4103
NAME
0,1
3,3
3,3
0,01
0,01
3300
PC
TA
EL
CER
u
u
l u
u
u
47
u
u
470
p
p
Polycarbonate
=
Tantalum
=
Electrolytic
=
Ceramic
=
100/o
20%
20%
20%
2,5%
20% 3V
10%
5%
5%
lOOV
35V
35V
35V
160V
lOOV PETP
400V
400V
MPETP
TA
TA
TA
PC
TA
PC
PC
MPETP
Flet.Polyester
=
15.2.1979
0
STUDER
40
R.W/gv
Record
PETP=
Amplifier
Polyester
15/16-1
7/8"
1.177.238
I
I PAGE 1
OF
3
IND
POS NO
L
01
L
02
L
03
L
04
p
01
p
02
PART
NO
1.177.231.00
62.02.1222
1.177.231.00
62.02.1222
54.
54.
01.
01.
-
0220
0270
VALUE
2.2
mH
2. 2 mH
9-Pole
8-Pole
SPEC!
5%
5%
Pin-Strip
Pin-Strip
FICATIONS/EQUIVALENT
AMP
AMP
MFR
s
s
·-
Q
Q
Q
Q
Q
Q
Q
Q
R
R
R
R
R
R
R
01
02
03
04
05
06
07
08
01
02
03
04
05
06
07
50.
03.
0439
50.03.0436
50.03.0436
50.
03.
0436
50.03.0439
50.03.0436
50.
03.
0436
50.
03.
0436
57
.11.
4103
57
.11.
4103
57.11.4123
57.11.4123
57.41.4821
5
7.
41.
433
58.02.4223
2
BC239C
BC107B
BC107B
BC107B
BC239C
BC107B
BC107B
BC107B
10
k
10
k
12
K
12
k
820
3,3
k
22
k
5%
10"/o
.25W
.1
w
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
CF
CF
any
R
08
R
09
R
10
R
11
R
12
R
13
IND
DATE
@
@
Q)
G)
15.2.1979
0
STUDER
57.
41.
4563
57.41.4104
57.
41.
4154
57.
41.
4563
58.
02.
4223
58.02.4223
NAME
R.W
/gv
Record
100
150
CF
Amplifier
k
56
k
k
56
k
22
k
22
k
Carbon-Film
=
15/15-1
5%
10"/o
7
/8"
.25W
.1
w
I
CF
CF
1.177.238
s
=
Studer
I PAGE 2 OF 3
IND
POS
NO
PART
NO
VALUE
SPECIFICATIONS/EQUIVALENT
MFR
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
57.41.4681
57.41.4682
57.41.4681
57.41.4224
57.41.4331
57.41.4102
57.41.4224
57.41.4104
58.02.4223
57.41.4563
57.41.4821
57.41.4104
57.41.4332
58.
02.
4223
58.02.4223
57.
41.
4154
680
6,8
680
220
330
220
100
22
56
820
100
3,3
22
22
150
k
k
1 k
k
k
k
k
k
k
k
k
k
5%
10°/o
5%
100/o
5%
.25W
.1
w
.25W
.1
w
.25W
CF
CF
CF
CF
CF
IND
@
R
R
R
R
R
R
R
R
R
30
31
32
33
34
35
36
37
38
DATE
57.
41.
4681
57.41.4682
57.41.4563
57.41.4681
57.41.4224
57.41.4102
57.41.4331
57.41.4224
57.41.4104
NAME
680
6.8
k
56
k
680
220
k
1 k
330
220
k
100
k
CF = Carbon-Film
_I
I
@
@
G)
15.2.1979
0
STUDER
R.W/gv
Record
Amplifier
15/16-1
7/8"
1.177.238
I
I
PAGE
30F
3
LQ
"0
Lo
RQ
~
'•
'1
'1
1,
'•
1,
'1
'1
'1
'1
!J
'[~
·[~
L
R
0
0
0
0
~ul1DCQJ~IF:l
REPRODUCE AMPLIFIER
1.177.258
REVox
NAB
15/16-1
ED1
877
7/8"
41
SlS
09.79
n
'
+
~
~
r
~
~;
METER
CAL
IND
POS
NO
PART
NO
VALUE
SPECIFICATIONS/EQUIVALENT
MFR
01
c
c
02
c 03
c
04
c
05
c
06
c
07
c
08
c
09
c
10
c
11
c
12
c
13
c
14
c
15
c
16
59.25.0162
59.30.6339
59.22.6220
59.11.6821
59.25.0162
59. 3 2.
59.22.6220
59.32.0101
59.30.6339
59.99.0259
59.30.
59
59.30.1101
59
59.32.0101
59.30.6339
.11.
.11.
0101
6339
3103
6561
1600
3,3
22
820
1600
100
22
100
3,3
2700
3,3
0,01
100
560
100
3,3
u
u
u
p
u
p
u
p
u
p
u
u
u
p
p
u
10%
20%
10%
5%
10%
20%
10%
20%
200/o
100/o
200/o
5%
20%
5%
20%
20%
3V
35V
40V
400V
3V
500V
40V
500V
35V
50V
35V
160V
3V
400V
500V
35V
EL
TA
EL
PC
EL
CER
EL·
CER
TA
PETP
TA
PC
TA
PC
CER
TA
IND
@
@
@
c
c
c
c
c
c
c
L
L
p
c
c
17
18
19
20
21
22
23
24
25
01
02
01
DATE
59.11.
59.32.0101
59.30.6339
59.99.0259
59.25.4101
59.
59.30.6339
59
59.11.3101
62.02.1222
62.02.1222
54.01.0270
6821
30.1101
.11.
6561
NAME
820
loo
3,3
2700
100
100
3,3
560
0,01
2.2
2.2
8-Pole
EL
=
PC
=
PETP=
p
P
u
p
u
u
u
p
u
mH
mH
Electrolytic
Polycarbonate
Polyester
5%
20%
200/o
100/o
100/o
20% 3V
20%
5%
5%
5%
5%
Pin-Strip
400V
500V
35V
400V
25V
35V
400V
160V
PC
CER
TA
PETP
EL
TA
TA
PC
PC
AMP
CD
15.2.79
0
STUDER
42
CER =
R.
W/gv
Reproduce-Amplifier15/16-1
Ceramic
7
/8
..
I
1.177.258
IPAGE
l OF 3
IND
POS
p
NO
02
PART
NO
54.01.0271
VALUE
10-Pole
SPECI
Pin-Strip
Fl
CATIONS/EOUI
AMP
VALENT
MFR
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
R
R
R
R
01
02
03
04
05
06
07
08
09
10
11
12
01
02
03
04
50.03.0439
50.03.0407
50.
03.
043
50.
03.
0407
50.03.0436
50.03.0436
50.
03.
043
50.03.0436
50.
03
.0436
50.
03.
0407
50.03.0407
50.03.0436
57.
41.
4224
57.41.4331
57.
41.
4154
57.41.4682
9
6
BC239C
BC109C
BC107B
BC109C
BC107B
BC107B
BC239C
BC107B
BC107B
BC109C
BC109C
BC107B
220
k
330
150
k
6,8
k
T018
T018
T018
T018
5%
.25W
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
CF
any
IND
@
@
@
R
R
R
R
R
R
R
R
R
R
R
R
05
06
07
08
09
10
11
12
13
14
15
16
DATE
57.
41.
4102
57.
41.
4102
57.41.4391
57.
41.
4680
57.41.4103
57.
41.
4470
57.
41.
4123
57.41.4104
57.41.4154
57.
41.
4680
57.
41.
4102
57.11.4123
NAME
390
68
10
47
12
100
150
68
12
CF
1 k
1
k
k
k
k
1 k
=
k
k
Carbon
5%
Film
.25W
CF
CD
15.2.1979
0
STUDER
R.W
/gv
Reproduce-Amplifier15/16-1
7
/8
..
,
1.177.258
IPAGE
2 OF 3
IND
POS
R
R
R
R
R
R
NO
17
18
19
20
21
22
PART
NO
57.
41.
4123
57.
41.
4104
57.
41.
4153
57.
41.
4182
58.19.0203
57.
41.
4334
VALUE
12
k
100
k
15
k
l,8
k
20
k 20%
330
k
5%
SPEC!
FICATIONS/EQUIVALENT
.15W
lin.PCF
.25W
MFR
CF
R 23
R
24
R
25
R
26
R
27
R
28
R
29
R
30
R
31
R
32
R
33
R
34
R
35
R
36
R
37
R
38
57.41.4102
57.41.4154
57.41.4102
57.
41.
4102
57.
41.
4224
57.41.4331
57.41.4680
57.41.4103
57.
41.
4470
57.11.4104
57.41.4154
57.
41.
4123
57.
41.
4104
57.41.4680
58.19.
0203
57.11.4123
150
220
330
68
10
47
100
150
12
100
68
20
12
1 k
k
1
k
1 k
k
k
k
k
k
k
k
k
2
O"/o
5%
.15W
.25W
lin.PCF
CF
R
39
R
40
R
41
R
42
R 43
R
44
R
45
R
I
IND
46
@
@
@
CD
0
15.2.1979
STUDER
DATE
57.41.4182
57.
41.
4153
57.41.4102
57.41.4334
57.
41.
4123
57.
41.
4391
57.
41.
4102
57.41.4102
NAME
R.W
/gv
1,8
15
1
330
12
390
1 k
1 k
Reproduce-Amplifier15/16-1
k
k
k
k
k
5%
7/8"
.25W
1.177.258
CF
IPAGE
3 OF 3
+ii
v
REC.L
REC.R
Bli\S
L
R
~
s-osc
S-REC-L
S-REC-R
~
S-
REL-
R
S-REL-L
~·REC
1-
'
I
'
I
i3
12
D~
+
C1
100µ
R2
3~0
+
Cl
100~
----
5
~
-
Bll\S
'l
S5Y
150
kHz
+
19V
R1'l
15k
1k
+
C3
220µ
RS
6,8k
K2
BFR
BFR
1&
18
Q2
CB
&,Sn
I
I
I
L1
1
L
T1
1+;7n
lt.7n
Cli-
lt,1n
C11
220p
C10
7.7.0p
RB
C7
It
Jn
R9
1M
K1
K2
R10
1M
BIAS-FR
BIAS-SR.
BIAS-FL
BIAS-SL
H-EIW·L
H·ERAS-R
C8
I
Ff>.ST
I
•
I
t
SLOW
C8
BIA':i
l
Bli\S
R
,
JtJV
150f<l4Z
871HS
'J0-3fV
RECORD
AMPLIFIER
H-REC-L
H-REC-R
o.ov
7
6
1ti.
L.
·---------
K1
K2.
Cl
RCUIT
PC-BOARD 1.177.240-12
1.177.240/242
iOO
H-RECS-L
H·RECS-R
E
0-REC-R
&
SllDmf
150
kHz
SIJmY.
I
kHz
DSC.Off
..
LO
RO
LO
RO
,I§
0
·[g
L
R
1.177.242
~
,1
•'
~
0
0
0
0
(T1
~OJJ[Q)~~
OSZILLATOR
1.177.240 I 242
VALID
FOR
FOR MORE ERASE
AEVox
877
HS
CURRENT/ORDER
NO. 1.022.192.00)
877
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43
,,
~I
"
"
;:.
R
0 EO
0 REC.
0
0 EC.
0 EO
0 REC.
0
SLOW
LEVEL
BIAS
TRAP
FAST
SLOW
LEVEL
BIAS
TRAP
-R14
-
R18
POSNO
PART NO
VALUE
SPECI
fl
CATIONS
EQUIVALENT
MFR
c
c
c
c
c
c
c
c
c
c
c
D
D
D
D
J
01
02
03
04
05
06
07
08
09
10
11
01
02
03
04
01
59.22.4101
59.22.4101
59.22.2221
59
.11.
4472
59.11.4472
59
.11.44
59.11.4472
59
.11. 3 682
59.
30
63~9
59.04.8221
59.04.8221
50.04.0109
50.04.0109
50.04.0109
50.04.0109
54.01.0306
72
100
100
220
4700P
4700P
4700P
4700P
6800P
3 u
3
220
220
N
l
N
l
N
l
N
l
8
-
u
u
u
p
p
4448
4448
4448
4448
Pole
10%
10%
10%
2,5%
2,5%
2,5%
2,5%
5%
20%
5%
5%
16
16
6,3V
160V
160V
160V
l-60V
160V
35
160V
160V
Socket-Strip
v
v
v
EL
EL
EL
PC
PC
PC
PC
PC
TA
PS
PS
any
any
any
any
AMP
K
01
K
02
L
01
p
01
p
02
Q
01
Q
02
Q
03
R
01
R
02
R
03
R
04
R
05
R
06
R
07
R
08
PC
=
PS
=
CF
-
PCF=
t;
h
OLI.
56.04.0140
62.02.2122
54.
01.
54.01.0223
50.03.0479
50.03.0434
50.03.0434
57.
41.
57.41.4331
57.41.4101
57.41.4101
57.
41.
57
.41.
57.
41.
58.19.0503
Pol
vcarbon.
PolvstvrPnP
Carbon
Film
Pot.Carbon
()
1
Af"'I
0223
4331
4682
4100
4102
tte
Film
? y
2 x u
1,2
7
-Pole
7
-Pole
BD
140
BFR
BFR
330
330
100
100
6,8
k
10
k
l
50
TT
mH
18
18
k
N =
{) =
c;nn 0 l
500 0 12V
5%
Pin-Strip
Pin-Strip
Medium
5%
:lO/o
National
()m'r'"'n
2V
Rnc
Power
. 25W
•
l.!:>W
max.
AMP
AMP
CF
<4l
c3'l
(2)
(i)
0
IND
60
PNP
NPN
NPN
!'L:
.f
6.4.77
DATE NAME
'artburq/
NO
N,O
q
11
STUDER
44
Oscillator
l.177.
240
PAGE
l
of
2
POSNO
PART
NO
VALUE
SPECIFICATIONS
EQUIVALENT
MFR
R
R
R
R
R
R
R
R
R
R
T
09
10
11
12
13
14
15
16
17
18
01
57.
41.
4105
57.41.4105
58.19.0503
57.
41.
4153
!:>/.
4.l.
4HU:l
58.19.0503
57.41.4102
57.41.4102
57.
41.
4102
58.19.0503
1.
022
.181.
1.022.192.00
00
1
1
50
15
.l
50
1 k
1 k
1 k
50
valid
M
M
k
k
k
k
k
only
for
5o/o
5%
20%
5%
::>7o
20%
5%
5%
5%
20%
.25W
.25W
.15W
.25W
•
.15W
.25W
. 25W
.25W
.15W
Oscillator
Board
1.177.242
:.!::>W
Coil
CF
CF
PCF
CF
Ct'
PCF
CF
CF
CF
PCF
B77
s
HS
CF==
PCF=
Carbon
Pot.Carbon
STUDER
Filr
Film
Oscillator
s =
Studer
(4)
13)
~
(1)
u
IND
1.177.
6.4.
77
DATE
240
Wartourg
NAME
PAGE
2
of
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SLOW
FAST
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T
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80-150µs
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~.3k
A
8
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Ct
0,1µ
C11
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100
R1l
10k
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C-MOTOR SPEED
1.021.320
1.021.300 1.177.325
1.021.304 1.177.326
@
CIRCUIT
PC-BOARD 1.177.225-11
CONTROL
1.177.325
L177.225/226/2:J7
CB
1.6
1.6
1.6 nF
nF
nF
®
C9
4.7
nF
4.7 nF
6.8
nF
.
L
- - - - -
PIN
CONFIGl.RATION:
14-PIN DUAL-IN-LINE
TACHO
AMPLIFIER I
1.077.740 .
_. ---·-.J
I
I
I
VERSION
THE
I
PLUGGED
1.177.327:1NSTEAD
SUBPRINT
INTO
TAC
THE
HO
AMPLIFIER
IC2
SOCKET:
OF
THE
1.077.740
REMOVED
IS
IC2
SLS
15/16"-1
7/8"
3.00
mm
1.021.304
~Lir1DCQJ~~
SPEED
1.177 .325/326/327
RE.Vax
CONTROL
1.177.327
5.6
nF
10
nF
877
ED2 09.79
45
SPEED
CONTROL
T
u
1.177.325
1.177.326
1.177.327
P1
C4
1.177
.325/326
625µs
833 µs 2.5 Vpp
1666
µs
1 Vpp
Vpp
3
P1
c 1
1.177
.327
POSNO
PART NO 1
VALUE
SPECIFICATIONS
EQUIVALENT
MFR
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
D
D
D
D
D
D
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
01
02
03
04
05
06
59.99.0450
59.31.4104
59.32.3472
59.22.5470
59.22.5470
59.31.4104
59.
31.
4103
59.12.8162
59.11.4472
59.
31.
4472
59.32.3472
59
.30.
4100
59.30.6109
59.31.4103
59.
30.
4100
59.32.3472
59.32.3472
59.30.4100
59
.30.4100
59.
31.1224
59.30.6109
59.
31.4473
59.32.0220
59.32.0220
70.01.0223
50.04.0109
50.04.0109
50.04~0109
50.04.0109
50.04.0109
0,47
0,1
4700
47
47
0,1
0,01
1600
4700
4700
4700
10
1 u
0,01
10
4700
4700
10
10
0,22
1 u
0,047U
22
pF
22
pF
B
250
1 N
4448
1 N
4448
1 N
4448
1 N
4448
1 N
4448
u
u
p
u
u
u
u
p
p
p
p
u
u
u
p
p
u
u
u
C800
±10%
5%
-20%
10%
10%
5%
20%
1%
2,5%
20%
-20%
-20%
-20%
20%
20%
-20%
-20%
20%
20%
20%
20%
20%
+20%
+20%
150V
250V
40V
25V
25V
250V
160V
125V
160V
160V
40V
16V
35V
160V
16V
40V
40V
16V
16V
lOOV
35V
250V
400
400
v
v
MP
MPETP
CER
EL
EL
MPETP
PETP
PS
PC
PETP
CER
TA
TA
PETP
TA
CER
CER
TA
TA
MPETP
TA
MPETP
CER
CER
any
any
any
any
any
D
07
D
08
D
09
IC
IC
p
01
p
2-5
Q
01
Q
02
Q
03
Q
04
Q
05
M =
s =
A=
T =
F =
01
02
50.04.0109
50.04.0109
50.04.0109
50.05.0158
50.05.0237
54.01.0582
54.02.0320
50.03.0436
50.03.0477
50.03.0436
50.03.0436
50.03.0318
Motorola
Signetics
Ates
Texas
Fairchild
Instr.PETP
STUDER
1 N
1 N
1 N
NE
TBA
8 -
8 -
BC
MJ
BC
BC
BC
MP
=metallized
PS
=polystyrene
CER=ceramic
MPETP=
=
polyester
metallized
Capstan
4448
4448
4448
555
231
Pole
Pole
107
411
107
107
178
Speed
B
B
B
B
paper
Timer
µA
739
Pin
polyester
Control
Strip
equiv.
NPN
AMP
AMP
NPN
Power
NPN
NPN
PNP
@
@
®
CD
0
1.4.77
IND
1.177.325
MC1455P
SN76131N
RCA
411
DATE
any
any
any
S,M
F
,A,
M,RC.A
N'artburaku
NAME
PAGE
1
of
'I
2
46
POSNO PART NO
VALUE
SPECIFICATIONS
EQUIVALENT
MFR
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
57.41.4473
57.41.4473
57.41.4683
57.42.4100
57.
41.
4222
57.
41.
4102
57.
41.
4821
57.
41.
4103
57.
41.
4223
57.41.4472
57.
41.
4223
57.41.4103
57.41.4103
58.99.0126
57.99.0179
57.
41.
4223
57.
41.
4152
57.
41.
4102
57.
41·.
4103
57.
41.
4221
57.41.4472
57.41.4332
57.41.4223
57.
41.
4223
57.
41.
4223
57.
41.
4332
57.
41.
4472
57.41.4472
57.
41.
4330
57.
41.
4103
57.41.4682
57.
41.
4222
57.
41.
4105
57.
41.
4103
57.
41.
4222
57.
41.
4103
47
47
68
10
2
,2
l K
820
10
22
4,
7 K
22
10
10
10
86,6K
22
1,5
1
10
220
4,7
3
,3
22
22
22
3,3
4,
7 K
4,
7 K
33
10
6,8
2,2
1
10
2,2
10
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
M
K
K
K
5%
5%
5%
5%
5%
10%
1%
5% . 25W
.25W
.25W
.25W
.33W
.25W
500ppm/
50pprn
CF
CF
CF
CF
CF
0
PCF
c
MF
CF
CF=
li?CF=
MF=
Carbon
Pot.carbon
Metal
STUDER
Film
Film
Film
Capstan
Speed
Control
©
@
@
<D
1.4.77
0
IND DATE NAME
1.177.325
IWartburg,9
PAGE
2
of
2
Hersteller I
WILLI
CH-8105
Manufodurer
STUDER
Regensdorf,
Althardstrasse
WILLI
STUDER
D-7827
Talstrasse
Loffingen,
7 ·
/fabricant
Switzerland
30
GmbH
Germany
Worldwide
REVOX
CH-8105
Distribution
ELA
AG
Regensdorf,
Althardstrasse
Switzerland
146
18.226.879
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