Pioneer CT-8R Service Manual

(D

rrloNEerl'

ORDER NO.
ARP-

096-0

!

:-

KU,

I

I

r

In

Typo

KU

KC
HE
HB

HP

D
D/G

I

For

service

r

The Part

\_Boara

Type

KU

KC
HE
HB

HP

D
D/G

CT'8R,

the

contents

manual.

No.

--.-\

a

one'chip

3607001
3401001
8403601

8500401
8600201
9302401

9301

other

of the P.C.

Mother

otd

RWX-535

(PA30121

lC

Serial No.

101

than

board

Assembly

RWX-578

Now

those

was

is

incorporated

described

changed

Rwx-551

RWX.547

as follows:

DOLBY NR

old

and

in the

in

this additional

Ascembly

New

RWX-579

HB,

DOLBY

Sub

otd

RWF.O97

KC,
HP,

NR

circuit

service

Amp

Assembly

with

manual,

New

RWF.102

HE,
D,

D/G

thefollowingserialNo.

please

see the

MIC

Amp Arsembly

old

RWF.O99

original

New

RWF-103

PICINEEFI
FICINEEFI
ltloNEEFl
P|oNEEFI

ELECTFTCINIC
ELECTFICINIEA
ELEcrRCrNlc
ELECTFIGINICB

luBAl

[EuFropEl

AUETHALIA

CCIFIPC|FIATICIN

tNc.

19P5

N.v.

E. Dominguez

Luirhagen-Heven

PTY.

l-lD,.

tze-ta4

4-1,

St.,

Long

s, aoeo

Boundany

Mesuno

Beach,
Anrwenp,

1-chome,

Catifonnia

Ftoad,

Mesuno-ku,

gOE}lo

Betgium
Bnaeside,

U.S.A.

vicrotria

YZ

Tokyo 1s3,

3195, Ausrnatia

O

MAY.

1982

Continued

Japan

Printed

on

in

page

japan

2

Continued

from

page

1

\-eo",a

TYPo

Headphones Amp Assambly

----\

KU

KC
HE

RWF.O98 RWF.104

HP

D
D/G

When

replacing the DOLBY NR

As

1.

2. If an IC

a rule, replace

same rank

of the same

within each channel

IC of one rank higher
below) can
placement,
the
one

3.

The
on the

playback

rank.

colors in table 1 refer

be used instead. However,
the ICs

side must not

top surface

old

ICs with only

rank is not

or lower

on the recording

of the

IC

Power

Now

old New old
RWR.O85
RWR-088

RWR.086

RWR-087 RWR.O92 RWX.59O

lC PA3012

ICs

(right

differ by more

to the

package

or left).

available, the

(see

after re-

side

color marking

(see

Supply

in

3-head

of

the

table

and

than

fig.1).

Assembly Voltago Change Assembly

New

RWR.O89
RWR.O9O

RWX.603

RWR-091HB

Non-use

decks:

Example:
Acceptable

1

replacement:

Recording

Side

Playback

Side

Lch

PA3012-O1-R

PA3012-01-R

Remarks

Rch

PA30't

2-01-Y

PA3012-01-Y

Ranking

HIGH

{t

tl

LOW

color

Rank

1

2

3

4
5

t) PA3012-01-B

Part No.

PA3012-01-R
PA3012-01-V
PA3012-01-G
PA3012-01-Y

PA3012-01-o

Table 1

Color

Red
Violel
Green

Yellow

Orange

Blue

Recording

Side

Playback

Side

Lch

PA3012-01-O

PA3012-01-O

Rch

PA3012-01-V

PA3012-01-G

Rank does not differ within each channel.

Unacceptable

Recording

Side

Playback

Side

o

In

this

are more

replacement:

example,

one

than

Lch

PA30't

PA3012-01-O PA3012-01-V

the

-o

2-0 t

rank of

yellow

Rch

PA3012-01-Y

and violet

rank.

1.

PARTS

NO?ES;
c

When

ordering

the

follow

Ex.

1 When

and

56On
47ha 47x101

0.5a
la

Ex.

2 When

tors).

5.62ha

o

The

[.

safety

factor

designation.

o

your

For

**

and *-

**

GENERALLY

This

classification

number

resisfors,

ing examples.

there

47h ohm

56 x

0R5

010..

there

562 x

marh

found

of the

Parts

Stoch Control,

temperature,

,

shall be

LIST

convert resistance

first

are 2 effectiue

(tolerance

10t

.

.

are 3 effeetiue

100 5621.

on

some component

part.

Therefore,

MOVES FASTER

adjusted

humidity,

digits (any

is

shown by J

561

473..

digits

the

etc.

digit

=

.

.

SVo, and

.. RD%PS@AA,t

..... Rslp@tr@x

(such

as

.

. . RNZSR

parts

when

replacing,

mouing

fast

THAN *.

by each

items

distributor

values

into

apart

K

RD%PS
RN2H

in high

indicates

be

sure

are

because

code

0),

from

=

I0To).

E6m/

@Etri(

prickion

E6Emr

the

importance

to

use

indicated

it d,epends

form

such

metal

parts

with

as

shown in

as 560 ohm

resis-

film

of

identical

the

marhs

on model

the

of

Miscellaneous

P.C.

BOARD

Part

RWX.578
RWX-579
RWX.536
RWF-102
RWF-103

RWX.534
RWF.104
RWR-089
RWR-O9O
RWR.O91
RwR-092

RWS-152
RWX-603

RWX.59O
RWX-589

RWX.585
RXX-359

RXX-361

Parts

ASSEMBLIES

No.

List

Symbol

Mother
DOLBY
Equalizer
Sub
MIC

Meter
Headphones
Power

Function

Voltage

HE,

Reel
Capstan
Reel motor

(lncluded

assembly
drive coill.
Capstan motor

(lncluded

drive coil.)

Description

&

assembly

NR

assembly

amplifier

amplifier

drive

assembly

supply

(HE,

switch

change

HB

and HP

motor

control

motor

assembly

in the

C and

in

assembly

assembly

assembly

ampl if ier

assembly

assembly

control

coil assembly

the capstan motor

(KU
(KC

HB

and HP

(D

and D/G

assembly

assembly

typesl

(D

(KU,

and D/G types)

assemoly

assembly

C

reel motor

the

reel

typel

tYPe)
typesl
typesl

motor

KC,

D

drive

OTHERS

Mark Part

A

,A

**

A

A

A

**

F

*

RTT-231
RTT.263
RTT-251
RTT-252
RSA-O4g
RSA-052
RSA-043

RDG.O22
(RDG-030)

RDG-027
RDG-032
RDG.O29
RDG-024

RWX-234
RWX-235

c43-O03

REK-055

REK-064
REK-054
REK.O47
REK-051
REK.O63

RSX-045

RSX-020

No.

Symbol
Power

Power

AC

Spark

Fuse

Line Voltage

positions;

Description

&

transformer

l22OVl24OV; HE. HB, HP
U2OVl22OVl240V;

power

T2A
T800mA
T2.
T3.15A
TIA
T1.5A

(switchable
220V

switch

cord{KU,

killer

5A

22OV

t240Vl

(KU,

(HE,
{D.

(HE
(HB
(Hp
(D,

D/G types)

(KU
(KC
(D,

D/G

(KU,
(HE,
(HE,

{HE,
(D

typel

{D/G

Selector

l24OVl

positions;

3

(120V;

KU

(

1

20V; KC

D, D/G

KC

types)

HB.

HP types)

D/G

types}

KC

types}

tYPel
typel

type)

typel

tYPel

types)

KC

types)

HB, HP

typesl

HB,

HP

types)

HB,

HP

types}

type}

(Switchable

l2OVl

typel

type)

typesl

typesl

2

*

*
**
**

r

*

RAW-164

RAW-166
sLF-201C
RXX-337
RPB-095

RXP-l

11

RXX.334

Display

assembly
Level meter
Half

LED

Head

assembly

Erase

Head

Plunger

solenoid

FC

coil

assembly

assembly

J

Mother

Assembly

CAPACITORS

Mark

Part

No.

CKDYF
CEA R1OM
CEA
CEA R47M
cEA

CEA 4R7M
CEA
cEA
ceA
cEA

473250

50

R22M

50
50

010M

50

50

3R3M

50

100M

25

220M

25

470M 25

(RWX-578)

Symbol
c301, c318,

O

c362
c327,
c325, C326,
c314, C355,

c371, C384
c329, C330
c31

3
c304, c374,
c303

& Dsscription

C335,

C328, C339,

C354,

C356,

C383

C363

C343

C357, C3&

C366

Mark

A

Part

No.

RsrPF

1olJ

RM 10-273J

RM11-103J
RM5-103J
RM5-223J
RM8-223J

BD74PM

trOO

J

SEMICONDUCTORS

Symbol & Description

R444
R397
R423
R424
R402

R463

R301-R332,
R350, R354,
R371-R377, R379-R381,

R385-R396, R399-R401,

R405-R421, R425-R443,
R446.
R464

R335, R337, R339-

R355, R364-R369,

R448-R451

R4g-R462,

,

R383,
R403,
R445,

cEA
cEA

cEA 220M
cEA

cEA222M
cEA470M
CEA

cEA

coMA 1 52J 50
coMA
coMA 332J
coMA
coMA

coMA
coMA
coMA
coMA
coMA

coMA
coMA
coMA
coMA
ccosL

CKDYF
cosH
coPA

RESISTORS
Note: When

into

Mark

Part

RCP-195
{RCP-1

RCP-189
{RCP-1451

RCP-'t96
(RCP-Is1)

101M

25

100M

16

16

221M 16

10
10

221M

6R3

10'tM 6R3

122J 50

50
682J 50
272J 50

272K

50
123J 50
103J 50

683K 50

123K 50

103K

50

473K

50

682K

50

472K 50

220K 50

1032

50

181K

50

182J 100

ordering resistors,

code

No.

50)

form,

and then

c365

c323, C324,
c386
c369

c302,

c345
c306, c322
c361
c360, c372

c346, C350

c342
c307,
c348, C352
c319, C320

c381, C382
c338, C349,
c309, c310
c336,
c340. c341

c312
c367
c31

5

c358

c378, C379
c305,

c316,
c31

1

conuert

rewrite

Symbol & Description

VR301,

fixed

VR302

VR303,

(33k-B)

C359,

c321, C368,

c308, c347,

C353

C337

c375,

C385

C31

7

resistance

the

part

the

VR3O5-VR307

(22k-Bl

Semi-fixed

VR304 Semi-f ixe d

C370, C377,

C376

C351

value

no. as

before

Semi-

(2.2k-B)

Mark Part

**

NJM4558D

(BA4s58)
(AN65521

**

PD6006

**

PD4012

**

PM3001

**

PA3010

**

PM9001A

**

pPD4011BC

**

TC4001BP

{HDl4001
{M884001

(pPD4001C)

**

84619

**

25C2497
(2SD1

**

2SD1189

l2SC2497l

(25D882)

**

2SC2060

(2SC2673)
(2SC1383NC)

**

2sA934

(2SA881)

**

2SC1740LN

cSC2021l

{2SC1815}
(2SC2634NC)

**

2SC1740LN

**

2SA1015

(2SA933LN)
(25A9371
(2SA1127NCl

*

1s2473

(us1040)

No.

189)

B)
BM}

Symbol &

Description

rc301

tc310

rc306

rc309
tc311
rc305
rc303, rc304

rc307

rc308
o301
0303, 0304

0302, 0306

0307

0305. o314-q|16,
0323, 0325,

o309-o31

0317,

D301-D305.

0326, 0328

2

0322,0324. 0327

D314-D336

O319-0321,

RCP-199
(RCP-1541

RCP-197
(RCP-152)

VR3O9

VR3OB

Semi-fixed

Semi-fixed

(1OOk-B)

(47k-B)

cotLs

Mark Part

RTF.O57
RTF-067
BTF-084

RTD.O15
RTD-o18
RTD.O27

No.

Symbol & Descraption

L301 Line
L305, L306
L307, L308

L309 OSC coil
L303
L302

coil

Peaking

coil

Trap coil

Transformer
OSC coil

(5mHl

RESISTORS
Note:

When

ordering resistors,

into

code

form,

Mark Part

No.

RD7.PM

DOtr

J

SEMICONDUCTORS

and then rewrite

conuert

Symbol & Description
R601-R715,

resistance

the

part

the

R717,

uolue

no. as before

R718

OTHERS

Mark Part

**

DOLBY

CAPACITORS

Mark Part

No.

RSG-128
RKB.O18
RKP.5O6
RKP.362
RKP.361
RKP-501

RSS-033

RBF.O41

NR

No.

cEA 101M 16
CEA R33M
CEA R47M
CEA Rl5M
cEA

CEA
cEA
cEA 470M

9EA220M25
cEA 221M

CEANL

coMA
coMA
coMA 562K
coMA

coMA
coMA 153K

coMA
coMA 823K s0
CKDYF

ccDsL
ccDSL

Assembly

50
50
50

010M 50

4R7M

35

100M 16

25
10

1OOM 16

182J 50
102K 50

50

103K 50

123K 50

50

183K 50

103250

390K 50
221K50

Symbol & Description

5301

Terminal
Connector
Connector
Connector
Connector

X301
assembly
Spacer

Push

(LlNEl

assembly
assembly
assembly
assembly

(C3731

switch assembly

Ceramic

{RWX-579)

Symbol & Doscriptaon

c601,

c602. c659,
c619-C622,
cil7,c&a,c703,c1M

c64s, c646,
c603,
c682

C617, C618,
c674, C699, C700
c6s1-c654,
c684, C707-C710
c712, C714
c716, C719
c605, c606,

c609,
c666, C695,
c649,
c629, C630. C689,
c631,
c607, c608, c633,
c668, C691,

c635, C636, C655,
c611-C614,
c664, C669,
c61s, c616, C671,C672
c641,C642,
c713, C715

c627,C628,
c717, C718

C675-C678

C701, C702

c604, c623-C626, C679-

C643, C6,r4, C673,

C657, C658,

c661, C662

c610,

c639,

C696

C650, C70s, C706

C632, C687,

C692

C637, C638, C663.

C670. C693, C694

C697, C698

C685, C686

(3Pl
(5P)
(1

1P)

(3P)

resonator

C660, C711

C683,

C640, C665,

C690
C688

C634. C667,

C656

Mark Part

r,**

*

NOTE:

Always read

No.

PA3012-01-R
(PA3012-01-v)
(PA3012-01-c)
(PA3012-01-Y)

(PA3012-01-O)
{PA3012-01-B}

the

ing IC replacement.

**

2SD880
{2SD313}

**

2sc174oLN
(25C2021

(2SC18151
(25C2634NCl

**

2SA1015
(2SA933LNl

(2SA9371
(2SA1

127NCl

**

2SC2060

(25C26731
(2SC1383NC)

*

1s2473

(us1o40)

*

wz-150

OTHERS

Mark Part

Equalizer

No.

RSR.O35
RTF.Og1
RTF-092
RTF.O83
RTF.096

Assembly

CAPACITORS

Mark

Part

No.

coMA
coMA
coMA
coMA

562K
272K 50
223K
682K 50

precautions

)

(RWX-5361

50
50

Symbol

& Description

1c601-tc604

page

on

0601

0602-0604

0605

0606

D601-D605

2D601

Symbol

& Description

R

Ll Relay
L601, L602
L603,
L607,
L605, L606

Symbol

cl313,

c1307,
cl31 1,
cl303,

Coil 36mH

L6O4

Coil

L608 MPX

Trap coil

& Description

Cl314
C1308
C1312
C1304

2

before

36mH

filter

perform-

block

5

RESISTORS

Note: When

ordering resistors,

into code

Part
RD]/4PM

form,

No.

DtrD

SEMICONDUCTOR

Mark Part

**

Sub Amplifier

No.

TD625o4P

Assembly

CAPACITORS

and then rewrite

J

conuert the resistance ualue

Svmbol & Description

R1301-R1312, R131

Symbol

tc1301

(RWF-I02)

part

the

& Description

no.

as before.

5-R131 I

SEMICONDUCTORS
Mark Part

**
**

**

No.

NJM4558D
(8445581

(AN65521

25C2240
2SC1 740LN

2sct74oLN

{p.SC2021l
(2SC181s)

(25C2634NC)

*

152473

(us1040)

Symbol & Deccription

rcl701

01701, 01702
01703, 017(M

01706-01 710

D1

701

Mark Part

CEANL 1OOM 16
CEA 4R7M
cEA 010M
cEA 100M 16

cEA220M25
cEA 330M
cEA 471M
cEA 331M 25
cosH

coMA 822K 50
coMA 473K 50
cosH 220K
ccDsL 471 K
cosH

CKDYF 473250
ccDsL

RESISTORS

Note: When

into code

Mark Part

RCP-032
(RCP-088)

RCP-089
{RCP-009)

RD74PM

33D28
(TDs-C225Dl

No.

35

50

16
10

331 K 50

50

50

101K 50

221K50

ordering resistors,

No.

and then rewrite

form,

DtrO

J

Symbol & Description
c1701, C1702

c1719,

C1720
c1727, C1728
c1717, C1718, C1729,
c1733, C1734

c1723

705, cl 706

cl
cl715.

Cl716

c1724, C1742,

cl 703,

c1713, C1714
c1726, C1726

cl709,
c1731,C1732
c1707,

cI737
c1739, C1740

conuert the

Symbol & Description

VRl

701, VRI

(10k-B)

VRI

703, VR1 7@

l22k-Bl

R1701-R1705,
R1733-R1739.
Rl763-R1768,
Rl793

TH1701,

C1752

Cl 704

Cl710

Cl708

resistance

part

the

f H17O2 Thermistor

no. as before.

702

Semi-fixed

Semi-fixed

R1707-R1730,
R1741-R1756,

R1771, R1772,

Cl730,

ualue

OTHERS

Mark Part

MIC

CAPACITORS

Mark

RESISTORS

Note:

No.

RTF-058

RKP444

Amplifier

Part

No.

CEA R47M
cEA

010M
cEA 470M
cEA

100M 16

cEA 470M

cEA 101M
CKDYB
CKDYF 473250
ccDsL

When

into

Part

RDy.PM

332K 50

101 K 50

ordering reslsfors,

code

No.

Assembly

50
50
25

16

16

and

form,

ootr

J

SEMICONDUCTORS

Mark Part

**

*

No.

NJM4558D
(AN65521
(8A4558)

1s2473

(us10401

OTHERS

Symbol

& Deccription

L17O1

L17O2

,

Connector

assembly

(RWF-103)

Symbol

& Dercription

cl

501, Cl 502

c1515,

C1516
cl509
cl507. Cl508
c1510

cl505,

Cl506
cl511,

Cl512
cl513
cl

503, Cl 504

conuert

then rewrite

Symbol & Dercription

R1501-R1514,

Symbol & Detcription

rc1501

Dl501, Dl502

the resistance

the

Trap coil

(3P)

part

no.

R1517

ualue

as before.

**

Part

No.

RKN-O75
RSG-134

Symbol & Description

J15O1
51501

Jack
Push

assembly

switch

Meter

Drive

Assembly

(RWX-534)

HEADPHONES

Amplifier

Assembly

(RWF-104)

CAPACITORS

Mark

RESISTORS
Note:

Mark Part

Part

cEA
cEA R47M
cEA
cEA
cEA470M

cEA
CEA

When

into

code

No.

r

RCP-056
(RCP-Og3)

RD7.M

No.

010M 50

50

4R7M

35

2R2M

50

25

330M

16

220M 16

ordering

form,

oooJ

SEMICONDUCTORS

Mark

Part

**

tR2408

**

2sc174oLN

(2SC2021
(2SC1816)
(25C2634NC)

**

2SA1015
(2SA933LN)
(2SA937)

(2SA1

No.

l

127NC)

Symbol

C903,
C907, C908
C914
C909,

C912

C915

C9t3

resistors,

and

then

Symbol

VR9O1,
{100k-B}

R901-R906,

Symbol

rc901

ogot-o905,

0906-0908,

& Description

C904

C910

conuert

rewrite

& Doscription

VRg02

& Description

the resistance

part

the

no.

Semi-fixed

R9O9-R949

o9o9

O91o_O912

ualue

as

before.

CAPACITORS

Mark

RESISTORS

Note:

Mark

A
A

Part

No.

cEA

010M 50
cEA 470M
CKDYF 473250

When

ordering

into

code

Part

No.

*

RCV-097

*

RCV-O96

RslpF

331J
RD%psF
RD%PMotroJ

25

form,

181J

SEMICONDUCTORS

Mark

Part

**

2SC2060
{2SC2673)

(25C1383NC)

**

2SC1740LN

No.

OTHERS

Mark

Part

No.

RBF-041

Symbol & Description

C1601.

C1602
Cl603_C1605,
C1606

resistors,

and

conuert

then rewrite

Symbol

vR16o1
VR16O2

R16o7,
R1619,
R1601_Rl606,R1609_R1618,
R1620-R1622

Symbol

01601,

01603,

01604

Symbol

&

Spacer

Cl607

the resistance

part

the

Detcription

&

Variabte
Variabte

R16og

R1623

& Description

01602

Description

ualue

no.

as

(2ok-Bl
(lOOk-A)

before.

*

1K34A
(1K60A)

(oA90l

*

1s2423

(us10401

*

82100

D901-D904

D905-D907

2D/901

7

Power

Supply Assembly

CAPACITORS
Mark Part

No,

cEA222M25
cEA222M50
CEA
0EA221M25
cEA 331M 25

cEA 101M 16
cEA 101M
cEA 220M 16
CKDYF 1032 50

RESISTORS

Note: When

into code

4R7M 35

10

ordering

form,

(RWR-089;
(RWR-090;

(RWR-091;

(RWR-092;

Symbol & Description

c1201, C1202
cl203
c1217
c1213
cl206

cl205
c1211, C1212
c1204
cl
c1219

resistors,

and

conuert the resistance

then

KU),

KG),

HB, HE

D

and D/G)

208-C1 21 0, C121

rewrite

the

part

HP),

and

4-C1216,

uolue

no. as before

A

A

A

A
A

Part No, Symbol & Description

740LN

2SC1

l2sc2021l

(2SC1815)
(2SC2634NCl

2SA933LN
(25A937)
(2SA10151

(2SA1127NC)

2SC1740LN

l2sc2240l

WO3B

01207, O1208

41202,

01206

01205, 01209

01201, D1202

(w03c)

t

S2VBlOF

*

152473

D1204

D1203,
D120,9-D1211

(us1040)

RD3.OE82
(x2031)

RD5.6E82

2D1201
2D1202

(wz-0s6)

RD4.7E82

ZD12M

lwz-u4l

Mark

A

A

A
A

Part

No.

RSlPF

6R8J
RS%PSF
RS%PSF
RDY.PM

RDz.PM

trtrO

otrtr

101J
271J

J

J

SEMICONDUCTORS
Mark Part

a**

A**

The Power
Assembly

Mark

A

No.

25D880

(2SD313)

258772

(2SA1096)

Supply

(RWR-089)

Symbol & Description

R1211 Resistor
R1221 Resistor

Spacer

Fuse
Fuse holder

Symbol & Description
Rl221

R1202
Rl

205
R1201, R1
R1

21 3.
R120,

R1215-R1
R1222,

Symbol & Description
41201,

01203

Assembly

except

holder

for following

C

B

(KU

type)

R1207-R1

203,

R1214, R1218, R1224

R1206, R1211, R1212,

R1219, R1220.

217,

R1223, R1225

01204

210,

(RWR-090) (RWR-091)

sections.

typo

KU

(RWRO89l

RO%PM822J

RSlPF

6R8J

RBF.O41

used

Be

RD'I/.PM

*

A

RDloEB3

(wz-1001

*

wz-085

(RD8.2E92I
(RD8.2E83l

OTHERS

Mark Part

RBF-041
REE-051
RKH.OOS
R8A-026
RKP.366

RKP.475

(RWR-092)

and

type

KC

(RWR-0901

682J

used

Be

No,

Part No.

2o1203
2o1205

Symbol &
Spacer

Insu lator
I nsu lator
Special screw
Connector assembly

Connector assembly
Fuse holder C
Fuse holder

the

are

HE. HB, HP typo

(RWR.()91l

RDTIPM

same as

682J

Be used

D$cription

(KU

type)

B

the

D, D/G types

(RWR{r921

RDZIPM

(7P)

(3P)

(KU

and KC

(HE,

HB and HP types)

Power

Supply

682J

types)

a

Function

SWITCHES

Switch

Assembly

(

RWS-152)

Reel Motor

CAPACITORS

ControlAssembly

D

{RWX-Sgg)

Mark

**

**

**

**

Part

No.

RSG_I14
RSG-063

RSG-088

RSB-031

OTHERS

Ma*

Voltage

HE,
(RWX-590;

RESISTORS

Note:

Mark

A

A

SEMICONDUCTORS
Mark

Part

No.

RKP-365

Change

HB

and HP

When

ord,ering

into

code

Part

No.

RS2PF
RDy4PM

RDI/8PM

Part

No.

2SA934
(2SA881)

2SC1 740LN
l2SC2021l

(2SC1815)
(2SC2634NC)

Assembly
types)

D

and D/G

form,

111J

OOO

8R2J

J

Symbol

& Description

SIOO1 Push

s1006,

switch

sloo2-s1005,

switch

51016,

51017 Rotary

Symbol

& Description

Connector

(RWX-GO3);

types)

resistors,

and then rewrite

conuert

Symbol & Description
R2001

R2002-R2005
R2006, R2007

Symbol

& Doscription

02001
02002

switch

s1008-s1015

sl007

switch

assembly

(4pl

KU,

the resistance

part

the

no.

Function

Function

KC,

ualue

as before.

Mark Part

RESISTORS

Note:

Mark

i
*

SEMICONDUCTORS
Mark

**
**

**

No.

CEA 4R7M
CEA R47M
CEA

2R2M

CEA

101M

CEA 4R7M

coMA 473K
CKDYF
CKDYF

When
into code

Part
RCP-009

RCP-056

RDz.PM
RD%PS

Part

1032 50
47325,0

ordering resisfors,

form,

No.

trtrO

1R8J

No.

PA2009
PA2010

2sA934
{25A881}

25D882

l2sc2497l

(2SD1189)

**

2SC24s8

**

2SCl

173

35
50
50

6R3

35

50

J

Symbol

c201,

c205

c211
c209
c202,

c213
c207
c215

and

conuert

then rewrite

Symbol
VR201

VR202

R201,
R203

Symbol & Description

tc201
tc202

o201

0202

o205
0204

& Description

c204,

c212

c203

resistance

the

part

the

& Description

Semi-fixed
Semi-fixed

R204,

R205, R207-R209

ualue

no. as before

l22k-Bl
(100k-Bl

OTHERS

Mark

NOTE:
The

uoltage

590)

haue

Part

No.

RBF-(M1

change

basically

assemblies

the

same

Symbol

Spacer

circuits.

& D$cription

KC, HE, HB

{KU,

(RWX-6O|

and HP

and RWX-

types)

OTHERS

Mark Part

REE.Os1
RKH-OOs
R84.026

No.

Symbol

Special screw

& Dcccription

Insu lator
Insulator

I

Gapstan

Motor Control

Assembly

(RWX-585)

F

Reel

Motor

Assembly

C

(RXX-359)

CAPACITORS
Mark

Part No,
cosH

CEA
cEA 100M
cEA
coMA

coMA
CKDYF
CKDYF 102250

CKDYF

RESISTOBS

Mark

When

into code

Part No.

*

RcP-117

RDYIPM
RN%PR

RDY2PF 2R7J

Note:

50

822K

R47M 50

16
25

100M

272K
273K

1032

473250

ordering

form,

Dtrtr

2OO2F

Symbol &
c101

cl04,cl11,C114
c107,

cl

10

50
50

50

cl03
c102,c121

c106.c122
cl05

c117

resistors, conuert

and then

J

rewrite the

Symbol

VR101

R101,

R102
R105

Deccription

cl09

resistance

the

part

Dercription

&

Semi-fixed

R103. R104,

ualue

no. as

(1sk-Bl

R107,

before'

R108

RESISTORS

When ordering

Note:

Mark

into code

Part
RD%PM

form,

No.

DODJ

SEMICONDUCTORS
Mark

Prrt

*

TLN1o4

*

RCX-010

No.

(RCX-o121

OTHERS

Mark

Part No.

resistors, conuert

rewrite the

then

and

& Dcscription

Symbol

R251-R253,

&

Symbol

D251

H251-H254

& De*ription

Symbol

plate

Bottom

B

Shaft

motor drive assembly

Reel

motor drive

Reel

resistance

the

part

R255,

Delcription

Hall

device

B

coil

no. as

R256

value

before.

C

SEMICONDUCTORS

**
fr

Part No.
PA2007

PA2O12

Mark

w03B

(w03c)

RCX-010
(RCX-012)

swtTcHEs

Mark

Capstan

Mark

Part No.

**

RSC-116

**

RSH-O63

Motor Goil

Part No.

Symbol

rcl01
rc102

Dl01,
H101, H102

Symbol

s101, sl02,
switch

5103

Assembly

Symbol &

Bottom
Caostan

Decctiption

&

D102

Hall device

& Description

sl05,

switch

Slide

(

RXX-361

Description

plate

A

motor drive

)

coil

sl06

Push

10

3

2. P.C.

A

B

BOARD

MIC

AMPLIFIER

RWF-103

PATTERNS

Ass'y

AMPLIFIER

SUB

RWF-102

Ass'y

CONNECTOR

Ass'y

D

-l"

1

2

vR1702 VR1701

3

VRr703

t_

4

5

6

HEADPHONES

AMPLIFIER Ass'y

RWF.104

Q.r6O4

Q16O3

Qr6O2

Ql6Ol

Q160t,1602

25C2060
or 25C2673
or

2scl 383 Nc

Q1603,1604

2SC|740LN

POWER

SUPPLY Ass'y

RWR-089

zDl205

RDt.zE82

or?or

Qr2O1
Qt?o3

qr2o2

o;

7

f

B

I

MOTHER
RWX-578

i:iii:*ist1*:",

l-iilii&r*,.lr

:;frffi;,t"i--

qsi#ii.rii,r,,

fii,![3,'.,i"?'**.'

*4

Ass'y

Q323

Q319

eeo?o.r

^"

I

m!,*";

;

ICaO5

ICrOt

Q3?O

Q326

r001'7

*

IC3O6

Q3lO

fP4

TP6

Ulu

,fi

F***rli%,,s!

r,';ff

lil"

H|;*{'.i,4td;iTii;{-ilffi,ffi-1,,,.^,^,fb,iif{lL,r**,,.u{i...

",",$i"ll'#lJT'r

lil**11fthffi$f

'l$Sg

*#Affi'H:#;-}$Trnn'-"_'?^''*,i'*;ttf-i-iii,i"''1;:

IC311

Q3O9

rP1 VR305

vR306 VRS9

Q312 Q31r

Es*

*

J+*

IC307 IC30a

Q32?

\ )

Y"

IC309

IC3IO

Q321

*!H:ll::$,:iio

**=a"

Ql23

q34

S5ffi

ffipg#-trffi,H,'q_=,.,

-,*-''*'

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clzb'o.oozz

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lolr

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Q3O5 Q3O4 Q3O3 O3O2

Q327 Q3?A

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ffi,|,*'i,@[ig""i6'

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B

lo o o o a a

O o o o o o o

O O I

I

t_

10

11

12

1

CONNECTOR Ass'y

ffi*-rn

EOUALIZER

RWX-536

Ass'Y

A

B

FUNCTION

(RWS-1521

SWITCH Ass'y

I

D

I

10

L

1

2

3

A

DOLBY
RWX-579

NR

Ass'y

Q6Or

IC6O4

Q6O4 Q6O6

Q6O5

Q6O3

IC6O3

Q6O2

IC60i

IC602

D

1

32

r'

4

5

6

CAPSTAN

RWX-585

MOTOR

CONTROL

Ass'y F

VOLTAGE

RWX-603

GHANGE Ass'y

4

65

L

REEL

RXX-359

MOTOR

I

Ass'y C

I

10

REEL N
RWX-58

METER DRIVE Ass'y
RWX-534

O9ll

Q9l2 IC'OI

Q906

Q902

q9Oi

8 10

I

10

REEL
RWX-589

MOTOR

IC20t

CONTROL Ass'y D

Q2040205

Q20t o2o2

A

B

t_

10

11

12

3.

SCHEMATIC

SIGNAL SECTION

@

@

o

(9

DIAGRAM

DOLBY Ass'y R\flX- 579

|--:

I

rc60l

REC IA

IN

t23

F'PAss

3

P8

SW VCR

-i

ril

REF.

GNO

4

SCF

-{

Yr

-2 -3

PilS€

sw

REc
ouT

a

corT a.s

scF

-2
t7

vcF

HPA

-2

-2

f2 ss ss

-2 -2 -l
2t 22 2:

-

lc6ola

:

604

ftI RELAY

0605,606:
RELAY

-

RSR

ORIVE

O35

P.8

IA

SYPASS GilOtx

SW

-r

rx

R€F.

scF

OOLEY

iIR

(

C TYPE}

8A

TI

-2

PHASE

a

REC

coflT A.s

ouT

E

H

E

IEC

SU

A

-t

wT coxT.

t3la{tt6t?t8€

scF

-2 -2
318|9A2l

SCF VCR HPA

-2 -2 -2

a.s

Lt*f-lt*-"

HP f2 12

vcR

-2

rr

LY

't
jrrF

-t

reoe

I

f2 f2

- | -2
&21

-2

LC@
36d

R640

tl

-

0.6

ss

ss

-2 -(
e2:

-

I c60a

REC IA

rr an$s

t23

HPA

vtr

-l

Gm

SCF

789tOitt2t3t4

Sw

-t -? -t

ll ll St

-2 -3

BASE

REc

OUf

a

coffi

SCF VCF HPI

-2

a.s

tTlgD

16

-2 -2

-

k : kn,

p : pF

im-

swrTcHEs

:CASSETTE

SlOl
slo2 : ERASE PREVENT
SIO3: FWO/REV
SIO5:
5106:
S3O2:
s303:

Th.

Thir i3 the

to imprqmmts

due

H/qUr

SELECTOR

AUTO

TAPE SELECTOR NORM

AUTO TAPE

SELECTOR METAL-CrO2
POWER
couNlER

undrlimd indicotos

basic $hmatic

in d6ign.

OETEG|OR NO HALF - HALF

o€1ECTOR

th. lwitch

diagram,

ru'

FWD- REV

ON _ OFF
ON _ OFF

rositim.

the aturl ciBit

bnt

-

-HIGH

fiOLE

NO

may vary

3

1

in tr, %W,

lndicared
M : Mf,l,

{F)

2. CAPACITORS:
Indicared in
Indication

3. VOLTAGE
r DC voltage

I

4. OTHERS:

Signal

+:

:

Adiuning

A

mark tdnd

The

I

poname

ot the

be a.e lo us

: t l%,

caprcity

without

rdte.

pans

!5%

role.ile unl6 othcryie rctld

(G)

(K)

t2%,

:

l!F)/volrage

voltage i!

(V)

no inpur

at

poinr.

on sme

gtely

f-lor ot the

idenlical dGignalion.

of

l

:

lO lolerame

(v)

unlsorherui*

except elElrolyiic capaitor.

5OV

srgnar

pans

componcnl

pan.

Therefore, when

2

noled

iDdicard the

repleing,

5

OFF

I oa

OA

oa

R/P

e/?
COilT

%27?.4

e/?

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LEVEL

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MOTHER Ass'y

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MIC AMP Ass'v

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5

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oil

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sr50r

: MoNrToR

The

undalined indicotes

PLAY

Q

ON - OFF
ON - OFF

ON _ OFF
ON - OFF
ON - OFF

SIOOT :
srooS : REc
SIOO9 :

REC MUTE
SIOIO : MUSIC REPEAT
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ON

OFF

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2SA937- R

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or

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0303,304

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5OO : INPUT

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underlin€d

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indicotes

REC

the

-

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LINE - MtC

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SOURCE

7

8

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2SC2060-Q

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or

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0303,304

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or

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or

2SD882-O

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or

2SA88t-O

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o3il

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10

or

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The

indicated

only.

Other

are listed

srooi R3G-ila
SDoe!

OO5 , iOOT

R30-O6S

semiconductors

alternatiue

parts

in

the

:

I

semiconductors

list.

representatiue

are

may

@

@

o

@

o
o
o

be used

ones

and

-

rc3ro

FUNCTION
CONTROL

e;

Elf

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TW

PAus€

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SWITCH

RWS-152

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Ass'y

42
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4

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osc

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CONTROL

AA ).
LMNO

10

o326

GAIN CONfROL

11

o
o

@

o

12

P6r

3

A

B

POWER
For

KC

model

SUPPLY

Qr205

Qr2O9

Qt207
Q12O6

Qtzoz

Ot2O6

Qr201
Q12O3

For HE, HB, HP models

]27

D

1

2

3

4

5

6

els

For D,

D/G

models

!g!Gl_9umv

a"'v

nwn-o*-

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1.
I

4

5

6

ll

4. MECHANICAL

Pinch

4.1

Put

1.
(FORWARD

2. Gently
the tension
read

rorating.
25O
spring.

Roller Pressure

the

tape

deck

and REVERSE).

push

against

gauge

value

the

If

-

4009, replace

when

the

Tension
(Part

No.

Check

into

the

(Part

the

reading

the

gouge

GGK047l

the

pinch

No.

pinch

fails

pinch

ADJUSTMENTS

playback

roller

GGK-047)

to lie

roller

arm with

roller

pressure

mode

and

stops

within

4.3

Tape

1. Load

2.

Set the DIRECTION
then the

3.

Adjust
takes
head

4.

Set the

5.

Adjust
occurr

head
Play

6.
directions
is found.

Fig.

4-3 Azimuth

Transport

a mirror-equipped

mode to PLAY.

the adjust

place

guide

as

DIRECTION
the adjust
on

guide.

a tape

and

Adjustment

nut

on

REC/PB head

shown in Fig.

nut

REC/PB head

in both FORWARD

check that

preadjustment

cassette

switch to FORWARD

O

switch
@

hdf.

so

that no

guide

4-4.

to

REVERSE.
so that no
guide

no curling

and

and

REVERSE

curling

and erase

curling

dummy

on tape

and

4.2 Azimuth

1. Set the DIRECTION
then

2. Adjust the

Preadjustment

the mode to

azimuth

switch to FORWARD

STOP.

screw
screwdriver as shown in Fig. 4-2,
distance
base

3. Set the

4.

Adjust the

screwdriver
distance

(A)

is 1.5 mm.

DIRECTION

azimuth scnew

as

(B)

between housing

between

shown

in Fig. 4-2,

switch

is 1.5 mm.

B

Housing

FWD

o

FiS.4-2

Azimuth

adjustment

O

housing

to REVERSE.

@

and rotating

using a

3 so that the

and rotating

using

a

3 so that the

point

and

(-

(-

base

)

)

4-4

Tape

transport

adiustment

Fig.

FFIREW Rottating Speed

4.4
frequency counter between

1. Connect

of

(Fie.

2. Set the

and then

3. Adjust VR202

indicates

4. Set the mode

that a reading

72Hzt 5Hz.

Power

the

reel motor control assembly

a-5).

DIRECTION switch to

the

mode

so that the

72Hzx

to REW

of

transformer

FF.

to

2Hz.

and at this time check

frequency

Adiustment

and GND

FORWARD

frequency counter

counter

is within

FG

4.6

Tape

Connect

1.

PUT

Load

2.

beginning

Set

3.

and
Adjust

4.

counter
tape

o.

Set
and a

3000t30H2

ing.

Speed Adjustments

frequency

the

(L

so

of

at

or R).

to

that

t

10

frequency

the

terminal

the STD-301

of REW.

DIRECTION

the

the mode

then

VR101

is 3005

rewinding.

the DIRECTION

reading

counter

tape

test

switch

PLAY.

reading

a

Hz at

switch

beginning

OUT-

the

to

it at the

set

and

FORWARD

to

of frequency

the beginning

REVERSE

to

counter

of tape

is within

rewing-

Capstan

control

assembly

of

motor

4-5

FFlREW

Rotating speed adjustment

Fig.

4.5 TAKE-UP Torque Adjustment
Mount a cassette type

1.

torque meter.

2. Set the DIRECTION switch

PLAY.

and then the mode
Adjust VR201 so that

3.
45 ! 5

g-cm (Fig.

to

4-5).

the

take-up

4. Set the DIRECTION switch

5. Check

35-55g-cm

that the take-up torque is within

(Fig.

4-6).

to FORWARD

torque is

to

REVERSE.

Fig.4-7 TaPe sPeed

Fast

4.7

1. Mount a
Set the

2.

and then the

3.

Check

30

4.

Set
that

4.8

1. Mount a

2. Set
then the

3.

4.

5.

Torque Check

cassette type

DIRECTION switch

mode to

FAST torque

the

that

g-cm

in the

the mode to

FAST torque is within

the

Reel Base Back Tension Torque

cassette type

the DIRECTION

mode to
At this time,
supply

1.5
Set
At this time,
the supply

3.5 t 1.5

reel

g-cm.

the DIRECTION switch

check that

side

check that

reel side

g-cm.

condition

REW

PLAY.

(left

adiustment

torque
FF.

torque meter.

switch to

reel base)

(right

meter.

to FORWARD

is within 100

described in

and at this

100 t 30

FORWARD and

the back tension

is within 3.5

to REVERSE.

back tension

the

reel base)

above 2.

time

is within

t

check

g-cm.

on a

t

on

Fig.

4-6 Take-up torque

adiustment

ELECTRICAL

5.

ADJUSTMENT

Precaution

Mechanical

1.

2.

Clean the
moistened swab; Record/Playback head, Pinch
roller,
Demagnetize record/playback head with a head

3.

demagnetizer.
Do not use magnetized screwdriver for

4.
ments.
Adjustment

5.
formed for
power
Adjustments should be

6.

given

in this

hinder

can

performance.

of
Level during measurements

7.

OdBv=lV. Connect a 50kO dummy resistor
across the OUTPUT terminals.
Let

8.

9.

the CT-9R warm up
minutes
ment.

Set the DOLBY NR

TOR

adjustment should be completed.

following

Erase head,

parts

with an alcohol

Rubber belts and

and measurements should

both L-ch and

R-ch

supply voltage.

performed

service

proper

manual. Altering

adjustments, resulting in loss

are based

(aglng)

before

proceeding

with the

switch OFF

switch

TAPE

unless directed

with

in the order

the order

for

and

otherwise.

Capstan.

adjust-

per-

be

rated

on

a few

adjust-

MONI-

t

1t-----l

-

2o'l

|

l tt r r

Fis

5-2 ;;'";,.;^";,;*r"

5.1 Head
Setting:
Mode

Test
AC mV meter

OUTPUT level
Procedure:

Play
directions.
position

Azimuth Adjustment

tape

back

the test tape in

Adjust

of maximum

rllr,

f----f--f---l

torx'

|

....

l333Fr |

Playback(FWDandREV)

. STD-341A, 10kHz

portron

. . . OUTPUT terminals

control . Max.

both FWD

the head

azimuth

output level.

6 3rH'

I

rrr-r-'^

screw to the

and

REV

Test Equipment/Tools

1. Test tape
STD-331A

STD-341A ...... for

STD-608A
STD-603
STD-604

... CrO, blanktape
... METALblanktape

2. Audio oscillator

3. AC millivoltmeter

4. Attenuator

5.

Oscillcscope

6. Resistor

(

L€VEL

o

-20

333Hr

JO..c

Fig.

50k0

dO)

5-1 Contents

(U4W)

333H. l4tHt

3or.c

Required;

for
pose

NORMAL

.

(AC

mV)

2 5rH

ror.c

tO..c

of test tape

general

playback

blank tape

I

otHr

Er[ ;3rH

6o.ac tO..c

STD-331A

playback pur-

adjustment

3Or..

Fig.

Fig.

5-3

5-4

Azimuth

Head

azimuth

adjustment

adjustment

points

5.2

Playback

Equalizer Adjustment

Setting:

Mode

tape .

Test

....

AC mV meter . . .

VR1703, VR1704.

. . . .

VR1?01, VR1702

Procedure:

1. Set the
333H2
Adjust the VR1701

2.

CT-8R
and 10kHz

so that the
higher than that

3. Set to the REV

10kHz

portion,

FWD direction and

to

10kHz

of

direction and

then confirm
output deviation is within
333H2

4. Set
l-{l<Elz

333H2
+4dB

5.

Set to the REV

portion.

to

range.

FWD direction and

the
portion,

portion

then the
should lie within the

direction and

Playback(FWDandREV)
STD-331A, 333H2

10kHz

OUTPUT

portions

terminals
Max.
Center

portions

(Lch)

playback

position

the test tape.

of

VR1702

and

level

play

back

(Rch)

reads 2dB

333H2.

play

back the

that the

+2dBt1dB

difference

playback

play

from

repeat

of the

back the

-

1 to

step

and

the

4.

Playback

5.3
Since this

level during

NR

Level Adjustment

adjustment determines

playback,

it should

precisely.
Setting:

Mode

Playback(FWDandREV)

....

Test tape . STD-341A,

portion

AC mV meter . . .

(Lch)

TP1
for

the DOLBY NR

assembly

Procedure:

CT-8R

1. Set

2. Next

the

VR1703

the

amplifier assembly

Sub
meter

reads

set to the REV direction and confirm

that the AC mV

the

(Lch)

-

3.7dBv
meter

direction, then adjust

FWD

and VR1704

so that

(653mV).

reads - 3.7dBvt0.5dB

(691mV-616mV)

the DOLBY

performed

be

333H2 OdB

and

TP2

(Rch)

AC

the

(Rch)

of the

mV

(Lch)

VRl7O3

(Rch)

vnr

7O4

(

Lch

VRl701
vR1702(

(Lewl

A
B

c

10kHz level - 333H2 level = +2dB
l0kHz level - 333H2

level - 333H2

l4kHz

Rch

=

Playback

level
level

)
)

levell

=

+2dBlldB

=

OdBtldB

@@

@
@

Fig.

Playback

5-6

level

adjustment

Fig.

Playback

5-5

equalizer adjustment

J-

5.4

Level

Meter
Step 1.
Setting:

Mode

MONITOR

switch
InputSignal
(from

mV meter

INPUT)

AC

Procedure:

Adjust

level

meter

the INPUT

reads

Check

... . STOP

. . .

....

-

7.7dBv

(Lch)

TP3

(Rch)

TP4

. SOURCE

333H2,-10dBv(B16mV)

for

(Lch)

the

and

Tp4

DOLBY

. . . TPg

sembly

level

control

so

that

(412mV).

-7.7dBv

(412mV)

(Rch)

NR

as-

the

Step

2.

Setting:
Mode

InputSignal
(from

INPUT)

Procedure:

Adjust

that

the

the level

...

. STOP

....

BgBHz,

VR901 (Lch)

meter

VR9OI
VR9O2

LEV E L

Fig.

reads

(Lch)
(Rchl

meter

Level meter

5-8

OdB.

-L0dBv(B16mV)

and

VR902 (Rch)

check

so

Fig.

Meter

drive assembly

Level meter

5-7

check

af-_--__-r

-r9l

L--r=-J

Gi\

-v

"'\o

Mother

IP7

V R309

Connector

VR306

vnsos

I

66

assembly

Connector

----f
TP6--O

-v

assembly

Connector

I

Sub amplifier
assembly

Ti

l'1

HI

B

assembly

mbly

-@

A

....frlE

v

-@

A

-rg}

rez___-e

@

e-Tp

1

@

DOLBY

Ll702

M
F

I

Ll 701

A

A'

ffi
ffi

NR

@--TP3

*TP4

assembly

Fig.

5-9

Ajust

point

5.5 Erasure Current Adjustment

Recording Bias Adjustment

5.7

Setting:

Mode
Test tape
INPUT level control
AC mV meter

.

Procedure:

Adjust

the

VR302

reads 160mV.

Fig.

5-10 Erasure current

Record

STD-604

Min.

. . .

TP2 of the
assembly

so that

Mother

AC mV meter

the

adjustment

Setting:
Mode

MONITOR

switch .

InputSignal

.... Record

SOURCE

.. .

.... 6.3kHz,-2OdBv(100mV)

OUTPUT level control . Max.
Test tape
AC mV meter
VR303,

VR304

. STD-608A

. . . OUTPUT terminals

Min.

.

Procedure:

1. Adjust the INPUT
AC mV meter reads

2.

Set the

MONITOR

level control so that the

-

14dBv

switch to the TAPE

position.

3. Adjust the

VR303
that the AC
output level,
output level drops

As VR303 and

carry out

the above

and repetitively

(Lch)

mV meter reads the maximum

and then bring back

(Fig.

2dB

VR304

interact

procedures

adjusting

(199mV).

and

VR304

(Rch)

so

until the

5-12).

with one another,

by

alternatively

VR303 and VR304.

5.6 Bias Trap Adjustment
Setting:

Mode

MONITOR
OUTPUT

switch

level control . Max.

AC mV meter . . OUTPUT

... . Record

. TAPE

. ..

terrninals

Oscilloscope .... OUTPUTterminaIs

Procedure:

Adjust the L1701

the AC mV

that

(Lch)

and LL7O2

meter reads minimum level.

(Rch)

so

UNOER BIAS PEAK

Fig.

5-12

Bias setting

BIA

Setting

point

point

-14dBv

Fig.

See

{199mVl

11-24.

Fig.

1 Bias trap adiustment

5-1

Fig.

Recording bias adjustment

5-13

5.8 Recording

Level

Adjustment

Setting:
Mode

InputSignal

.... Record

.... 333H2,

Test tape
ACmVmeterl

mV

AC

meter 2

......

. . .. . . TPg

Procedure:

1.

Adjust the INPUT level
AC mV meter 1 reads

2.

Adjust the VR305
that the AC mV

(412mV)

-10dBv(316mV)

. STD-608A

(Lch)andTP2

TP1
(Rch)

NR

(Rch)

NR

for

assembly

(Lch)

and TP4

for

assembly

control

-7.7dBv

(Lch)

and

VR306

meter 2 reads

the

DOLBY

the

DOLBY

so that the

(412mV).

(Rch)

-7.7dBv

so

Procedure:

1. Adjust
AC mV

2. Set

the INPUT level

meter reads

the MONITOR

tion.

3.

Record and
and 10kHz,
Adjust

the
so that the 10kHz
higher

4.

Record and
the
10kHz

16

b.

Likewise
onto
level

than that

STD-603. Adjust

playback

dB at 333H2.

record

the STD-604.

meet specifications.
does not meet
on the condition
160t15mA,

listed

As

6.

check to

see that

cations.

­switch

play

back

-

30dBv) onto

VR303

(Lch)

playback

control

24dBv

to the TAPE

the input

and

(61.3mV).

signals

the

VR304

level

so

that the

(333H2

STD-608A.

reads

of 333H2.

play

back the

level reads

playback

and

Confirm that

the specifications,

that erase

to meet

the specifications.

input

the

VR301 so that

within

the input

If the

playback

cunent

signals onto

playback

the

adjust

VR302

is within

in the specifications in Fig.

performance

meets specifi-

posi-

(Rch)

1.0d8

the

+0.5d8

signals

level

5-16

-7.7dBv

l412mvl

5-14

Recording

Frequency

Fig.

5.9 Recording/Playback

Adjustment
Setting:
Mode

MONITOR
Input

Signal

switch

Record/Playback
SOURCE
333H2,­10kHz,-

Test Tape

STD-608A,
STD-604

AC mV

meter

OUTPUT

-7.7dBv

level

adjustment

l412mVl

Response

30dBv
30dBv

(31.6mV)
(31.6mV)

STD-603

terminals

and

:

Playback level

Level

A 10kHz level - 333H2

B lOkHz level - 333H2

Fig. 11-28.

c

Fig.

5-15

See

Recording/Playback

adjustment

-f

=

level

level:0.5dBridB

1 .OdB

frequency

-30dBv (31.6mv)

@

o

@

response

5C

Frequency

Using
However,
63H2,
effect.

Response

STD-331A with DOLBY

the right

-O.idB

and

channel
of

l25Hz

NR

OFF

is compenxted

because of the

-

by

insulation

ldB at

!da

Using

STD-604

with DOLBY

NR

OFF

Overall Frequency

Using

STD-608A

Using

STD-6OBA

Using

STD-603 with DOLBY

with DOLBY

with

Response

NR

DOLBY NR

NR

OFF

ON

OFF

(B

and.

C type)

Using

STD-6O4

r

r.ds

l__=-u

.aT

63tu

,/

i_

Overall

has

been

Using

STD-608A,

OFE

r

tea

at trBr

63tu

//

Using

STD-608A,

(B

ON

and

DOLBY NR

with

I

ti"

/ l\

'zlro

Frequency

Sh

Response

adjusted.

STD-603

r.dg
tzr-l\----

STD-603

C types)

l----.\

A

ON

---

----

and

-l

and

(B

and C type)

|

after

AUTO

STD-604

'Y---'1

with

STD-604 with

l

I

&B

I

B.L.E.

DOLBY

t

la8

25dE

toxR

DOLBY

t\

_l

Nn

-T

!.5

t.5d9

I

T

3a8

NR

i

r;H\

Using STD-603 with

.to"

r I /l\

-E---T''

"J"

i

JO

'

DOLByNA

ON

r'i

A

.i..'----------.,-

(B

and

C type)

I

I

Fig.

zda

I

t

5-16 Frequency

.lo,

tn-#l:

response

.:"

t

J 5dt

I

rl

A

5dt

':"

I

T>-i

5.10

B.L.E.

Setting:
Mode

TIMER
Test

switch

tape

Oscilloscope

Procedure:

1.

Connect
ground

REC

2.

Adjust
reads

3.

Set
mode.

4.

Adjust the
reads
buttons.

momentarily

button.

the

2V and

the CT-9R

2V

Adjustment

. . .

jumper

the

VR307

depress

VR308

and

so

the

to

REW mode

so that the

depress

STOP
OFF
STD-608A
Between

minal of

bly

and

cord between

and then

that the DC

STOP button.

the

C357
mother

ground

and then

DC

STOP and

(+)

assem-

TPb

depress

mV meter

mV

meter

RESET

ter-

and

the

REC

Fig.

Step 2.

Setting:
Mode

Tape.
AC

mV meter

Procedure:

1.

Confirm
(0.6V

2. If

P-P

-

10dBv is

assembly

Leader

5-18

that

the

square

exceeded,

for

A

the connector

tape detect

. ...

Playback

adjustment

.... Cassett€halfwithouttape

. . . TPG of

the Mother

assembly

AC mV meter

reads

-

10dBv

wave).

substitute

the

connector

assembly

A'.

srp€osA

f

5.11

I

Leader Tape
Step 1.
Setting:

Mode
InputSignal

DC

mV

meter

Procedure:

1.

Remove

the

blv.

2.

Adjust

reads

3.

Retum the

the

10.5V10.25V.

Fig.

5-17 B.L.E.

Detect

... . STOP

.... 2kllz,

. . . TP7

connector

VR309

connector

adjustment

Adjustment

-17dBv

Sine

wave)

Mother

assembly

of the Mother

assembly

B of the Mother

so that

B to

the

DC

the original

(0.4VP-p

to TP6

mV

position.

of the

assem-

meter

Fig.

5-19

Leader

tape

detect adjustmenr