Technics SA-T70-KFP Service Manual

185.040233

I

rce

---'-"F?

Manual

FM/AM STEREO RECEIVER

5A.T6TOKFP

Specilications

(DlN

45

500)

1

continuous

kHz

both channels driven

-

20Hz

Power banciwidth

Total

I ntermodulation

Damping

20 kYz continuous

-

both channels

channels

both

power

power

power
power
power

power

power

dislortion

at

at

at

distortion

harmonic

rated

rated
fated
half

hall

rated
rated

factor 25

AMPLIFIER SECTION

power

driven

driven

1

kHz

at 20

a1 20 Hz*2C

Hz-20 kHz

20

1

kHz

at 250

at 60 Hz: 7 k1z

oower

ohms

at B

Hz-20 kHz

kHz

Hz: B kHz

4.1, 4 ohms

=

4:

=

(4

x

2

75W

(B

x

2

65W

(4

x

2

65W

14,8

0.05%

0.03 %

%

50

(B

(4

{B
(B

(B

(B

2 x 60W

7 Hz-35 kHz,

4.040/a

0.025 %

0.007

1

SMPTE, B 0.03 %

,

(4

ohms),

ohms)
ohms)

ohms)
ohms)

-3

ohms)
oht;ts)
ohms)
ohms)
ohms)

0.04%

ohms)

dB

lnput

sensitivity

PHONO

AUX.1.

AUX.2

TAPE.1.
MIC

PHONO maximum
S/N

rated

26
50 mW

Frequency

PHONO

AUX

Tone Controls

BASS

TREBLE

Acoustjc Controls

filter

Lour

High filter
Loudness

power

dB

control

TAPE.2

power

power (4

response

and impedance

input voltage

(4

ohms) PHONO

(4

ohms) PHONO

(1

kHz, HMS)

TAPE

72
85

AUX

ohms) PHONO 60

AUX

RIAA

30 Hz*

2O Hz-20 kHz,

{Tone

(volume

10 Hz-40 kHz,

50 Hz,

2OkHz,

Conlrols

at

30

-

"0"

dB)

+ 0.5 cB,

+
+

positibn)

1

mV/47k

2.5

I50

mV/33k

150

mvi

33k ohms

mV/10k

3

(lHF,

dB
dB

1

+ 0.5 dB,

A:80

(lHF,

A:92 dB)

standard curve

kHz,

5

t 0.2 dB

*

12

dB-

12 d8-

Hz.

00

7kHz,

6 d8/oct

-

*6dB/oct

50H2. +9dB

ohms
ohms

ohms

170 mV

dB)

65
75 dB

62 dB

1

-

2.5

12

-

12

-

dB

dB

dB
dB

dB
dB

Marketed

Fisher

by

and

Serviced

and Paykel

throughout

Limited

New

Zealand

Htp

bg&Technics

SPECI FICATIO N S SA.T6TOKFP

voitage

Output

1

TAPE

TAPE 2 REC

TAPE

3

Channel batance,
Channei separation,
Headphones level and

impedance

Load
MAIN or REMOTE

MAIN

+ REMOTE

FIli TUNER

SECTICIN

Frequency

Antenna

Sensitivity

Total haimonic

MONO,

STEREO

+

46

SIN

{

MONO
STEBEO

Frequency

Selectivrty
Capture
lmage rejection al

re1ection

lF

Spurious

AM

suppressron

Stereo

separation

1 bl-lz

10 kHz

Leak carrier

19

kHz

kHz

38

Channel balance

Limiiing

Bandwidth

lF

amplifier

FM

demodulator

AM

TUNER

GENERAL

SECTION

Frequency

Sensitivity

Selectivity

lmage rejectjon

rejection

lF

Power

Consumption . .

Power

and

REC

OUT

OUT

RECIPLAY

range

Iermrnals

40

{+

dislortion

.

kHz deviation)

Fesponse

(400 kHz)

ratio

at

98

response

,

point

Range

(S/N

20

1000

at

Supply

DimensronsiWxHxD)

Weight

ACCESSORTES

Speaker-circuilprotectionfuse$

impedance

(Din

Socket)

AUX

250

AUX

Hz

1

kHz

outpul impedance

kHz deviation)

(al

MHz

98

MHz

rejection

dB)

Hz

"

*

(250

.

at 1000 kHz .

kHz .

6300

1 kHz)

at

98

6300

. . .

. .

Hz .

MHz

Hz) .

.

150 mV
150

mV

mV/80

30

*

55

500
4

-

*

B

88

'300

75 ohms

10.3

22

1.8

1.6

1.4

1.3

1.2

0.9

1.0

d8

dB

mV/330

16

ohrns

16

ohms

108

-

ohms

dBt, 1.8

(lHF,

vV

(S/N

uV

(S/N

!V

(S/N

l,lv

(S/N

trV

pV (S/N

(S/N

uV

k ohms

ohms

MHz

{balansed)

(unbalanced)

UV {lHF,

S/N 46

d8,

30 dB,

300

26 dB,

300

20

dB, 300 ohms)

75

30 dB,
26 dB, 75 ohms)

20 d8, 75 ohms)

usablo)

75

ohms, STEREO)
ohms)
ohms)

ohms)

0.1%

O.2a/o

(rHF,
(rHF,

-

dB

dB, tHF
dB, IHF

250

230

15

75
70

kHz,

kHz

uV/m

V

dB)
dB)

*

0.8 dB

60 dB
56 dB

0.2 dB

+

20

Hz

80 dB

1.0

dB

dB

85
100

100 dB

60

dB

45

dB

35 dB

-65

70

-

-F

1.5 dB

1.2

1tY

180 kHz
1000 kHz

525 - 1605
30

UV,

dB

35
50

dB

45

dB

550W

Hz,

50

450x157x411mm

(ltry"x63,{."x16{r"i

(27.s

12.5 kg

.

.

2

lb)

sA.T670

2

f- XI S lerii()

i1-lC

lGaltr-

Pcwgt

Srlillii

w

,ry&

I

He;lriniror:e

iac<

voiLrrTie

I

h ssl*

I N'? I
"\e$l

-^-*..--'*.r,-

ti

tl

i.....,

lL_

I

i

[iaiance llnli-r-rl

*0n1foi J-aDe-,'nonrior

l

i:

L;tl

Lr:

o s:;

itwitr:ir

Filiers

I

I

I

+---

i

I

nglrnods

n"tiJii

!1lC !1 i'<irclPubi ic

:liriress facilit';

&;-",.;

,w.:

&,'+.u

r,-',,'.H

".h.,':r=

l

1

t,lt{i ins

so{ri.;t}l

I

ffiffieffi

Arlenrra Fi\,i

il'",1

p&NffiL

AIJX 1

Fhona

#ffiFg?ffi#ils

nn;l

Ante

.ll rT

lr,..l,

[grcr

I
I

.r

lt

oJ^t

i

I escx

Lr

I

TAPS 1

CUT

r',\ DC

$Feaker Circuil Frotec'ircn iuses

b rr-

PLA.Y

+

R1$HT

*

r*FFT

9PEA.KFRS

AC otrtlel

+

s&.7&70

3

DISASSEMBLY

1. Remove

Remove

3. Remove

washers

Cabinet

under

Front

Panel

heads

Screws

2.

Remove

4. Remove

Knobs

Front Panel

Remove

5.

sA.T670

4

Bottom

Board

qN.-

\q) \

Cc;rn

-

sS>,) 1

\

DIAL CORD STRINGING GUIDE

Tuning

Dial Cord Length 200

Capacitor

-

Closed

Position

cm

BLOCK DIAGRAM

Ql 02

35K.r0 2SC1047

Mixer

03

04

2SK49

2SC1675

Bufler

OSC

3

OF SIGNAL PATHS

rct02

4N377

IF AMP

&

DET

o109r05

Turns Clockwise

Power Supply

O701,702. Regul.

752 Reoulalor

O751.

jack

Mic

SW

0451,

Bul16r

452

\,lix AmpQ153

Mic AmP

454

o455

to

{AM

SEL SW

TERM}

fteAmp

0riv6

0601,602,607

608,60S,610,
611,612, €13.

614.619.620

&

Swilch

Proleclion

o811,812,

813,814

sA,T670

5

ABOUT THE

CIRCUITRY

PROTECTION

FUSES

Replace

from right speaKer

if no sound

heard

system

Soeaker

Protection

R

Circuitry

volume

the
plus (+

)

accidentally
correct. These

damage.

no

lf

sound

the
connections or operating
may have failed.

Note concerning

1.

is illuminated

dial

When two

'REMOTE')
impedance

Circuit

Fuses

5.OA

damage

control 7 set

and

'shorted'

is heard f rom one or both speakers

L

may result

(-

minus

pairs

are used, use speaker

o{ B ohms

fuses

speaker

of

)

or

prevent

and

speaker

Circuitry-Protection

Normal

m

$

il

to any

speaker

if

speaker

such

there are

mode, one

impedance:

systems

or more each.

the

with

-

position

terminals are

impedance

circuitry

no mistakes

tuse

systems

power

except

or both

('[,4AlN'

ailed

ffi

s

on and

"0"

is

nol

although

wilh

Juses

ano

wtth

Fuse

-

an

the

2. When

separately,

4

ohms or

FUSE

REPLACEMENT

'1

.

Loosen

After

2.

Replacement

Note:

instructions.

use

more.

screw

'REMOTE'

or

speaker

and

fuses

'MAIN'

the

fuse replacement,

Replace

from left speaker system.

speaker systems

systems

remove the cover.

close the cover.

included

are

if no sound

with

an

with

rmpedance of

the operation

heard

are used

CHASSIS VIEW

Fuse Primary

Power Transformer

Switch Power

Relay

amplifier

Equaliser AMP

Tuning

capacitor

PX IC

sA.T670

6

Power

SuPPly

AMP &

FM IF

Detecto?

FM

lC

PROTECTION CIRCUIT CHECK

(lCQ)

Main Amplifier

The'lCQ'adjustment should be

1.

secs after setting

2. Left Channel

.

Connect DC

.

Adjust VR60 1 to

Right

3.

Channel

.

Connect DC

o

Adjust VR602 to B

Alignment

power

the

switch to the ON

voltmeter between

mV

on DC voltmeter

B

voltmeter between

mV

DC voltmeter

on

started

in less than

TP601 and TP603.

indication,

TP602 and

TP604.

indication.

30

position.

Speakers

Terminal

Note:

provided

unit is

The

right and lelt

for the
protects

the

speaker terminals

speakers fail to operate

power

with

speaker

channels

transistor

circuit

respectively. The

lrom

damage

be short circuited. Accordingly

the

after

speaker

made, check whether the speaker circuit

intact

are

ALIGNMENT

Stereo modulator

FM
FM OSC Coil L7
FM

AM OSC

FM

AM osc coit L2o2

tM uruuorr uuz

AM IFT T2O1

Muting

FM

IFT T1

Trimmet

OSC

Trimmer

RF DET

T2i2+v

T2O3

Level

Discr IFT

or

blown.

Playback

CT202

CT3

-

-

F

Adt. VF102

POINTS

FN,I S.G.

Tape 2

REC OUT AUX

F[Sl

-[6l

PHONO

-

protection

fuse

should the

connections

prolection

300ohms

FM

fol

Gs

fuses

if the

fuses

Dummy

TP

201

@

are

+

Antenna

To S.G.

(S.G.

imp. 75 ohms)

L5

t2

CT1 FM

L1 FM ANT CoiI

CT201

CT2

VR3O1

L2O1 AM

VF1O2

VR302

FM FF OET Coil

ANT Trimmer

Trimmer

AM ANT

Trimmer

DET

FM

VCO

PLL

Adjustment

COII

ANT

LEV

METER-

Seoaralion

+

FRONT

vnoor

@B

(Sine

Wave)

Fi9.4

{Abb.4)

.Tffi7O

x+x

06

VR3O1

A-8, O-E: Stereo

Stereo ON

B-D:

(lndicator

Point

Adjusl

C:

Fig.

5

{Abb.

Low Pass Filter

(Ab.

Fiq.

6

B

Posilion

lighting).

Pilot

ol

5)

(lc

=

-

6)

OFF

vnsoz

Posilion

Ci.cuit

To

15

k

19 kHz)

Output

Meter

Hz

@

sA.T670

ALIGNMENT

Notes:

1. Louciness

Band setector

2.

muringlmode

FM

3.

4.

Speaker

sw'tch

switch

-

switch

switch

-

OFF

*

ON

INSTRUCTIONS

AMIFM

-

(FM,

OFF/MONO

FM-IF) 7. Maintain line vollage

RF

{FM/AM

Tape

5.

6.

B. Outpui of signal

monitor switch

Filter

switch

necessary

to obtain an oulput

TUf{ER

SOURCE

-

OFF

-

raled voltage.

at

generator

CIRCUITRY)

should be

no higher

reading.

than

SIGNAL GENERATOR

ccNNEcrQN

tnrolgn

Hlgn sroe
Ar,i
Common

Fashron

a.renna

looo

:rlmmer

to

cnassrs.

o{

several

*;:::#"r""Jl'-

Fashion loop

wir6 and

of

loop ol receiver

Connect to FM
anlenna

du,omy antenna

Connecl lo FM
anlenna

durnmy

:;il::

dummy

lo

set. Hz)

Connect to FM

anlenna
dummy
(6.3

1.

Appty 100

300 ohm anlenna

2. Tuning

ol several

radiale

300

lerminai ihrough FM

300

lermrnal lhrough

antenna wrlh

L*Y,"1T,?X?,

antenna, Appty

300

rermrnat

rhroush

antenna.

set.

MHz

at 100

Ap0ty 16

MHr.

uV) to

'o

00: uF

'l

,e'm,1ar

lurns

rnlo

slsnai

turns

lnlo

signal

ohm

ohm 106 MHz

Flv'l

,"

80 da

ohm

FM

dg with 400 Hz

FM

of

signal

terminal through FM

FHE0.

das

rPz

ll9^",XT_

iCOHz

wrln

kl^{t

6CO

fl;'i$1,

1500 kHz

(30%

Mod.)

wilh 400H2)

No

ilgna'

MHr

90

Mog. 90 Mhz

{100%

400 Hz)

w*h

(100%

Mod.

400

Hzi CT

i,ofou"il"d

{00

with

10o MHz

Mod.

{100%

100

'-

(400

dB

ila

dummy antenna.

DIAL

srn-rr.rc

INDICATOR

,$18r5J#"fi

AM ALIGNilIENT

o^,^-

.^^- .^,\^o^,\n\J\,

^t

nll.i"","nl" ;"";pil,

600 kHz

1500 kHz to

Csnnect

["'i::l''

connecl

speaker

receiv€r

FM.IF ALIGNTdENT

Pc ni

non'

or

nierrerence

run,ns

lunlnq

nete,

nglel

FM'RF ALIGI.TMENT

connecl

refminars

106

Mhz lerminals ol receiver

Connect

FM MONO DISTORTION

100 MHz

FM MUTING

100 MHz

FM

modulalion)

30%

conn€cr scope
l€rminals ol f$ceiv6r

LEVEL ALIGNMENT

connecr

lo speaksr iermioals

SIGNAL METER

to FM

FM MPX

PILOT

i,3:8,

ooigilys"t

c.n^6

^,

;;;;;r;

d;;

VTVM

or scope

rsr'nrnars

vrvM or

scote

termrnals o1

or ser

ol sel

lo

scooe

spgai(er

receiver

of

scope lo speaker CT3 {OSC

ALIGNMENT

1o

speaker r10llDrscRr

vryM

or scope

ALIGNMENT

3. Adjust VR102 for about

ALIGNMENT

I?O1 ,15r

,2nc

l?0l

1203

{3rd

331ixff #]ii

'b

cr202

ct20t

119:i9F::',

v'o, y!

L7 {OSC Corl

i?

ilii5:,i-'

t2

{ANT

cT3iRF.DET Tilmmer)

I

iANT

CTA

{ANT

Greel cofe

vR101

(osc rrimmeO

(ANT

;FTi

rm

iFn

Trimmeo Repear

'-"o'

uv's

ColU

Tilnmer) Adjusl

Tflmmer

I

lrimmer)

rm

iB)

point

4.7

ot

signal

REMAFKS

ror

Adrust

Adjusl ior

na4mLm

maximum

cursJr

oulpul.

f3$:l:t:;r%fl,"J':3,:""

tor rnaximurn

Adjust

$teps

[I,r^i';1,fi*^'.;;'ii:,':".'

gos,l,on

:re

Fhl muringlmode

3li;lY"i""rir?,i?:'jJ1,

rnetrical curve.

ior maximum

and

symmetrical

Repear

sleps {5) and

liHiJi:lJi"'"m

i"pr"r

,r"p.

mulinglmode

M

^?X|ij$:i*,pul

oblained'

merer indicarion.

ci

(2)

runlng

(Fet.

i4}

ourpur.

(3)

and

merer

switch

Fig- 4)

amplilude

curve.

{6)

dislorlron

(7).

and

swilch to

can be

to

iraqueflcy

11000MHzNon'moduialedmonosignal

2, FM

muling/.node

3. Connecl

a.

Noles:

Adjrrsl

frequency

VR301

1.

Steroo

FM

2,

srgnal

3. S€leclor

Usang a

'ON/FN.l

to

se/ilch

counter to IP301 lhrough resislor

tg

to

kHz

modulalor

Hz.

r 30

. a

gensralor

"FM"

swrlch

to

sA.T870

I

ccunter

aopliedioset.{Apply60dB)

AUTO"

Conftecl

a Pilot

r

Frequency

.

Modulalion

4. FM muting/mode

signal

{.l00

stereo

k

ohms} sfrown in Fig.

modulator oulpul

modulaiion

approximalely

mods io

switch ro

to

"FM"

"10Yo"

100

1.Applyslereqsignat

2.Adj!il VH301

td

EXT MOD terminal

MHz/Output level

"ON/FM

AUIO"

alt€,(nal€ syslem

Using

lromgeneralororstereoslalionlcreceiver.

u;tii steraoindicalor

5.

ol srgnal

"72

dB

(lHF)"

to

lighls up. Cemenr

gensrator.

arm sf

VR301

as

FM

SIGNAL GTNERATOR

CONNECTION

FLt .3CO

ohm arlenna

terminats
dummy antenna.

rhrougi Fil.l

STEFEO

MODE

i,l kHr lilt

MODE L

Pilol rignal lo

MCDULATO9

MO'. RAI;

&

FM STEREO SEPARA?IOT't

Mccriaiioni Ccnnecl

n1

iand

"CN"

termirai$ thro|Eh low

liiler Ref . Fig.

1NOICAIOR ADJUSTIVIENT

VTVMi

iAC

ALIGNMENT

VTVtul l! sreaker

5) modu;at1on).

Bass

VR302

POINT

RFMAFKS

Tonrng at ll0 i\rlli?

so rhal. Bnsn :t]s
suol*cied to

channal cuipu0

madLialton

!

il rhannel

becomes

tvlake

acjustneni

anler^a inpul is

{or

ouiprrt

minrrnum_

g

ior

L

REPLACEMENT

NOTES: 1. Pafi nurnbers

CABINET

Ref.

1
2

2.'S'in the

No.

Part No.

493.281002
493-281006

AND

are shown

Femarks column

CIIASSIS

4 493-?8'1004
5
5-1
6
I

493-281002
493-281005
4S3.233001
XTS3X8BF2

9 SUS123-2

10 493-281001

'11

SGX6€77 Button. Ornamenl
12 422,041005
13 422-A4rcA6
t4
15

16

XNSS1z Nut, Headphones &

$NE59

493'349004 Power

17 493-28'1008 Eutton Sheel
l8

493S51001 Tuning Shaft

19
20
21

22

23

25, 26

27
28
29
30

493-234001

696-040054
696-040055
XTW3XBE Brkt
493-284003
493-283002
SDH4B7 Rellector
XTW3XAE

SJF3223 Term, Strip
31
32 SHD3X1F Pulley
33

653{40026 Pull€y, Dlal
34
35

35.1
35-2

iff

XSN4 +12F2

XWA4BFZ

XW64BFZ

sMM35 {Rl

sMM37

''

(L)

for rnos! inechanical

Description

Knob, Volume
Knob, Tuning

Ba$s,

Kfloh,

Knob, Levsr Swilcies
Knob, Mic

Pane{

Front
Front Panol

Push Swllches

Spring

Push

Bstlon.

Tuning and Signal

Meter,

Powor

M6ler,

wash€r,

Wavy

Swilch

Glass

[Parl

Dial Scale

grkt,

Diat

grkl,

Dial

Mlg-

Pointer Assy S

Dial

F€llector

Flale

Rell.

Mtg- Screw

Capacitor

Tranglormer

&

Cab

Trans.

&

Cab

& Tran$.

Cab

Fixture

Metsr

parts.

part

LI$T

is normslly

PARTS

indjcales that a

PARTS

Remarks Ret.

S
S

Ireble, Bal. Sel.

(4)

(4)

S
S

Mixino S

Assy S

Mtg.

Screws

{4)

(41

S!*itches

14)

S

{4}

S
S

Mic Jacks

Hd,ph.& Mic

Jk

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5

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plale

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S

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H.

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and

L

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a slock itorn.

No.

Part No.

37
38
39
40
41
42
43
44

45
46
47
48
43

RBG109 Flubber,
SDZ6-1 D'al Cord, 200 cm
493-662001
493-285001 Drum. Tuning Capacitor S
SJF3025-1

F8013

SJ

SUA9457.6

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493.343003 Cover, Speaker

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098-026430

50 SHH131 Bushing
51
52
53
54

211-?01265 Cabin€t

231448223

383-050007

SMY411

55 SMV415 Sub
56 XTB3 x
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58 XT53 x 8A Wcod
59 EUF225
60 SUH407 Side
61

SUH409 Side

62 SUw1487
63

x 8B Sctew,

XTBS

04
65 SKL151
66
67
68

70

x D20

MM31

493.343001 Socket.

SMX137

14BNS

x

XWA3BFN

71 XWE3FN

Description

12

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P & DIN

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Plate

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pan.

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MIC

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ln$ulalion Film

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Heal Sink

Grille
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{R}

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Mtg'

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Power

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lvllg.

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REPLACEMENT

Ret. No,

Ql 361-041280
Q2 361.041283
03
Q4

Q101,102,

r03

Q104

Q105,106 361-041282
Q301,302 361-041281

Q201 361.041282

Q401,402 361.041332
Q403,404 2SC1328STMS

0405,406

Q751 361-041228

4752

D1

103
D104
D201

D202,203

0204,301

302

D303

D401,402

403,404

405

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D752
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rc102
1c301

Q1,2,3

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c5 ECCW]H180KC
c6 CCKW1H102ZF
C7
c8
c9
c10
c11
c12

c14,15

c17
c18
c19
c20
c21
c22

c23

c24

c101,102

C103

cl04,105

C106
c108
C1O9
C110
c111
c112

c113,114

01,1 02

Part No.

RF,

361-041284
361-041328

361-041282
361-041327

361-041329

361.041282

DIODES

361-041025
361-041093

0499

361-04.1028

361.041025

361.041060

361-041061

361.041066

361.041094
361-041066
363-041015
363-041017

363{41018

ECCW1H150KC

ECBT1HO1OK

ECKD1H1O2MDL
ECCW1H120KC
ECCW1H070DC

Eccw1H050cc

ECCW1Hl81K

ECKW1H103ZF

ECKWlH223ZF

ECCW1H220KR

ECW1H070DC

ECCWIH390KC

€ccwlH150Kc

ECCD1H030CC
ECKW1H102ZF
ECCD1H030CC
ECKW1H102ZF
ECKW1H223ZF
ECEAlHSO1OE
ECKW1H223ZF
ECEA1HS3R3E
ECCW1H680K

ECEAIHSR4TE
ECKW1H33lKB

ECEA1CS100E
ECKW1H223ZF
ECKW1H103ZF

Description

IF,

PCB TRANSISTORS

Translstor
Transistor
Transistor
Transistor

Transistor Switching
Transislor Switching
Transislor Switching
Translstor AF AMP
Transistor Swltching

Transistor
Transistor
Transistor
Transistor
Transistor

&

INTEGRATED

Diode

Diode

Diode

Diode AGC

Diode
Stereo

LED, Red Programme
LED,

Red Rectlfler

LED,

Red Stabiliser

LED,

Red Rectltier

lC

FM

lC Flvl lF

IC MPX

CAPACITORS

Ceramic

Ceramio
Geramic
Ceramic
Ceramic

Ceramic
CBramic
Ceramic
Ceramic
Ceramic
Ceramic
C€ramlc
C€ramic
C6ramic
Ceramic
Ceramic
Ceramic
Ceramlc
Ceramic
C€ramic
Electrolytlc

Ceaamic

Eleclrolytlc

Ceramic

Electrolylic

C€ramic

El€clrolytic

Ceramic
Ceramic

PARTS

FM

RF Amp

FM

Mlx€r

FM

Local

Buffer

Equaliser
Equalis€r

Equaliser
Regulator
Regulator

CIRCUITS

Swilching

Deteclor

Swilching

lndicator

1st,2nd

lF, AM

AMP & DET

LIST

Remarks Ref.

OSC

AMP
AMP
AMP

lndic

NOTES:

D

S

c

S

S

o

s

S

s

S

S

J

J

s

s

S
S

s

s

q

S

No,

c115
c116
c117
c118
c119

c120

c121

c122

c201

c202
c203
c204
c205
c206
c208
c209

c21 0

c211,212

c21 4

c215

c216

c220
c221
c225

c301

c302

c303,304

c305

c306,307

c308
c309
c310

c31 1,312

c315

c317,318
c401,402
c403,404
c405,406

c407,408

c409,41 0

c4"11,412

c413,41

c415,416
c417,418
c419,420
c421,422

c423,424
c425,426
c427,428

c751

c752
c753
c754

Part numbers

)

'S'

in the Remarks

a stock

Parl No.

ECEAOJS33l
ECEAS1ZRZZE
ECKW1H103ZF
ECEAl
ECKW1H223ZF
ECCW1H181K
ECCW1H020CC
ECEAl VS4R7E

ECCWl H020CC
ECCW1H150KC
ECKWl
ECKWl HlO3ZF

ECKWlHl03MD

ECQS1361JZW
ECEAl H33R3E
ECKWl
ECCWl H390KC
ECKWl HlO3ZF
ECEAl
ECOM1H223KZW
ECEAl H53R3E
ECQMl H223KZW
ECOMl
ECCW1H020CC
ECEAl C5470E
ECEAl CS470E
ECEAl HS3R3E
ECOMl H273JZW

ECOSl 471JZW

ECEAsOZR4TE

ECOM1H473KZW
ECEA5OM3R3SE
ECEAl CS470E
ECEASOZR22E
ECEA1CS470E
ECEAsOM3R3SE
ECEA5OM3R3SE

ECOMlH222RZW

ECKWl H471 KB
ECCW1H220KC
ECCW1H150KC

ECEAlCSlOl VE

4

ECEAOJS33l E
ECOF1393GZN
ECQFl 1O3GZN
ECOMl H273JZW
ECEAsOM3F3SE
ECEAl VS4TOVE
ECOMl H1
ECEAlVS4TOVE
ECKW1HlO3ZF
ECEAl ES222E

ECEA1CS221

ECKWlHlO3ZF

are shown lor most

item_

CSlOOE

column indicates

E

HSOlOE

HlO3ZF

H331KB

H223KZW

O2JZW

E

VARIABLE

m€chanical parts.

Descriplion

E lectrolyt

Electrolyt
Ceramic

Electrolytic
Ceramic
Ceramic
Ceramic
Electrolytic

Ceramic
Ceramic
Ceramic
Ceramic
Ceramic
Polystyrene

Electrolytic

Csramic
Ceramic
Ceramic

Electrolylic

Polyester
Electrolytic
Polyesler
Polyesler

Ceramic

Electrolyt ic

Electrolylic

Electrolytic
Polyester
Polystyrene
Electrolytic
Polyester
Electrolytic
Electrolytic
Electrolytic
Electroltyic
Electrolytic

El€ctrolytic
Polyester
Ceramic
Ceramic
Ceramic
Electrolytic

Eleclrolytlc

Polyester
Polyester
Polyester

El6ctro

Electrolytic
Polyester
Electrolytic

Ceramic

Electrolytic

Elsctrolytjc

Ceramic

ic
ic

lyti

c

CAPACITOR

that

a

part

is

normaily

Remarks

cv1-cv4,

cv201,

cv202

cT1-CT4,

cT201,
cT202

493.31 7001

Tuning

Gang Cap. w/drum

RESISTORS

R1,R2
R3

R4

EBDl25SJl

ERD25TJ563S
ERD25TJ223S

O4C

Carbon Film
Carbon Film
Carbon Film

sA.T670

14

REPLACEMENT

PARTS

LIST

Ref.

No. Part No

R5
R6

R7
R8
R9,10
F15

R16

ERD25TJ181S
ERO25TJ562S
ERD25TJ333S
EFD25TJ1O2S
ERO2sTJ181S

EFO25TJ1OOS

ERD25TJ681S

817.18 EBD25TJ2235

RIg
RzO

Ftz1

R1O1

R102,103

€RDzoTJ1O2S
EFD25TJ333S
EFD2STJIO2S
€RD25TJ]O2S
EFD25TJ331S

H104 ERD25TJ823S

R,I05

R.106

R107

Rl08

R109

R110

R111

R1 12

Rl13

R1 14

R115

Rl16

R117

EFD25TJ331S
EFD25TJ.]O2S

€FD25TJ2745
EFD25TJlO4S

EROzsTJ101S
ERD25TJ221S
ERD25TJ822S
ERD25TJ392S
EBD25TJ562S
EBD25TJ272S
EFD25TJ47OS
EBO25TJ181S
ERDzsTJ1O3S

R118 ERD25TJ274S

R119

H12O

ERD25TJ331S
EBD25TJ223S

R,I21 ERD25TJ563S

P'122

F123

ERD25TJ?24S
EFID?5TJ333S

Rl24 321.042000 S

Rl25,126

ERD2sTJr03S

R127 EFO2STJ?23S

Rl28

ERDz5TJ1O4S

R129 EFO25TJ683S

R2O1

R202

R2O4

R2O5

R206,207

ERD2sTJ152S
ERO25TJ562S
ERD25TJ392S
ERD?5TJ274S
ERD25TJ333S

R2O8 ERD25TJ184S

R209 ERO25TJ393S

R21O ERD25TJ333S

F211

ERD25TJ472S

fl212 ERD2sTJ152S

R213

EfiO23TJ104S

F214 EHD25TJ272S

R215 ERO25TJ392S

P'221

EBD25TJ1515

R3O1 ERD2sTJl5IS

R302,303

F3O4

F3O5

ERD25TJ3S2S
ERO25TJ823S
ERDzsTJ123S

R3O6 ERO2sTJ1O2S

F307

F308,309 ERO25TJ472S

F31O

F311,312

R313,314
R315,316

R318.319

R324

F401,402 ERO25CKc47RO
R403,40{

R405,406

R407,408

EF|D25TJ1033

EHD$OFJ68OP

ERO2sTJ332S
ERD25TJ392S
ERD2sTJ331S
ERD25TJ104S
ERO50FJ561p

ERO25CKG2203
ERO25CKG5602
ERO25CKG8?02

Description

Carbon Film

Carbon Film

Carbon Film
Carbon Film
Carbon Film

ljilm

Csrbon
Carbon Film

Film

Carbon

Film

Carbon

Film

Carbon
Carbon Film

Film

Carbon

Film

Carbon

Film

Carbon
Carbon Film
Carbon Film

Film

Carbon

Film

Carbon
Carbon Film

Film

Carbon
Carbon Film
Carbon Fiim

Film

Carbon
Carbon Film
Carbon Film

Film

Carbon
Carbon Film
Carbon Film

Carbon Film

Film

Carbon

Carbon Film
Carbon Film

Carbon Fi'm

Rosistor

Solid

FiJm

Carbon
Carbon Film

Carbon Fi,m

Film

Carbon
Carbon Film

Carbon

Film
Film

Carbon
Carbon Film
Carbon Film
Carbon Fllm

Film

Carbon

Film

Carbon

Film

Carbon

Film

Carbon

Carbon Film
Carbon Film

Film

Carbon

Film

Carbon

Film

Carbon

Film

Calban

Film

Carbon

Film

Carbon

Film

Carbon

Film

Carbon
Carbon Film

Film

Carbon
Carbon Film
Carbon Film
Carbon Film
Carbon Film
Carbon Film
Metal

Fitm

M6tal

Film
Metal Fllm
Metal

Film

Hemarks

Ref. No.

R409,410

R411,41?
R413,414
R415,416

P'417
H4,I9

n421,422
R423,424

n425/28 EBO25CKF8202

R427.428 ERO25CKF6801
R429,430 EHD2sTJ224S

R431.43?
R433,434 EFD25TJ151S
RA41,442 ERD12SSJ104C

R56I,562 EBD25TJ3345
F563.564
R581,s82
R583.584 EfrD25TJ222S

Parl

No.

ER025CKG1502

EFiD25TJ681S
ERDzsTJ123S
EffD25TJ152S
EflD25TJ1O3S
EFD25TJ561S
ERO?5CKG2201
ERD2sTJ10?S

EFD25TJ6805

EfiD?5TJ1045

EFD25TJ4733

R731 EBO25FJ122P
R751
R752
R753

ERDSOFJ2FzP
ERD25FJ152P
EfrO2sTJ101S

R822 EFD25TJ682S

COILS AND

Ll 381-050120
l2

38'1,050121

13,4 381450099
L5 381{50122
L6 381-050031
L7 38145010?
L101 381-050047
L2o2 38r.050103

1203,751

381,050044

T1 381.050123
T101 381-050048

rzfi,202

381.050124

T203 381.050.125
T301 435-041009

cF101,

102 493.435001

cF103

493-435002

COMPONENT COMtsINATION

2201 325-053506

VABIABLE

vH101
vR102
vR301
vB30?

PL1,Pt2

F1
F3

F601,602 493-348003

327-041056

327.041056

327.041059

327{41056

424.0400?6

493-343002

493.348002

493-348001

Oescription Hemarks

Matai Film
Carbon Filrn
Carbon Film

Filrn

Carbon

Film

Carbon
Carbon Film

Metal Film

Film

Carbon

Film

Meral
Meral Film

Film

Carbon

Film

Carbon

Film

Carbon

Film

Carban

Film

Carbon
Carbon Film
Carbon Film
Carbon

Film

Carbon Fllm

Fllm

Carbon

Film

Carbon
Carbon Film
Carbon Film

TRANSFORMERS

FM ANT CoiI

FM HF DET

Choke Coil
FM
Choke
FM
Choka Coil

AM OSC Coil

Choke

Transformer, FM IFT
Transformer,
Transformer,
Translormer
Low Pass Filter

CERAMIC

Ceramic
Ceramic Filter

Component Combination

Coil

fiF DET Cotl

Coil

OSC Coil

Coil

FM IFT

AM

AM IFT

FILTERS

Filter

RESISTORS

Muting Level Adi.
Meter Level

PLL VCO Adj. 10 k ohm

Separation

Adj. 20 k

Adi. 10 k ohm

LAMPS

Dial

Lamp

Lamp

{2)

Holdor

Dial

FUSES

A

V 2.5

250

125V24

SpkrProt.SA(2)

IFT

?0

(2)

k ohm

ohm

(B)

c

S

)

S

S
S
S

t

s

S

{B)

5

{B}

s

(B)

J

s

S

D

sA.T670

15

REPLACEMENT PARTS

LIST

Ref. No.

Part No.

s1,1.s1,6 493.349001
s2-1,s2.4

493.349002

s4,1,s4"2 493.349003
s5-1.s5.2 493-349003

CIRCUIT

347-050060
347-050062

347-050061

Q601,602 361-Q41242
Q607,608 36.r.041334

0609,610 36'1441252

0611,612 361.041335
Q613,614 361-041336
Q615,616 361.041339
Q617,618 361-041340

0619,620

361,041282

Q701 361.041337
0702

Q811,812 361-041327

361-041338

Q813 361-041331
0814

D601,703

704
D701

D801,802
D803,804

D812

1c501,502

c501,502 ECQf/1 H473KZW

c503,504
c505,506
c507,508
c509,510 ECQM1H102JZW
c511,512 ECEA50W1E
c513,514

c515,516

517,518

C519,520
Q521,522 ECQMlH183JZW

c523,524
c525,526
c527,528
c601,602
c603,004
c605,606
c607,608

c609,610

611,6r2

c613,614
c615,616
c617,618
c619,620

c621,622

623,624

c625,626

CO27

361-041330

DIODES

361-041095

361.041091

493.361001
493-361002
363-041066
363-041030

ECQE1684KZ
ECCW1H680K

& INTEGRATED

ECCWlH18lK

ECQE1684KZ

ECEA16N10E
ECQt\41H222J2W

ECQMIHl23JZW

ECOM1H683JZW
ECEAlCS330E
ECKW2H102KB
ECKW2H331KB
ECCW2H221K
ECCW2H050C

ECEA1VS10lE

ECCW2H221K

ECKW2H102KB

ECKW2H471KB

ECKW2Hl02KB

ECCW2H470K
ECQM1473KZW

ECEA1ES1OOE

Description

SWITCHES

Selector Switch

Lever Sw.
Lever Sw.
Lever Sw. Loudness

BOARDS

Board

lF

FlF,

Board

Filter

Board

AF

AF

PCB

Transislor

Transistor

Transistor Buffer

Transistor Drive
Transistor

Transistor Power
Transistor Power

Translstor Therm.
Transistor

Translstor

Transislor

Transistor Switching

Transistor

Diode Stab.
Diode Recr.
Diode Meter Drive

Diode Meter Drive
Oiode Relay
lC Tone Amp

CAPACITORS

Polyester

Polyester
Ceramic
Ceramic
Palyester
Electrolytic
Polyester

El6ctrolytic
Polyester
Polyestor
Polyester
Polyester
Electrolytic
Ceramic
Ceramic
Ceramic
Ceramic

Eloclrolytic

Ceramic
Ceramic
Ceramic
Ceramic

Ceramic
Polyester
Polyesler

Tape N4on

MUT

FN4

Dif lerential

P16.Drive

Driva

Comp.

Regulator
Regulator
Switching

Relay Drive

CIRCUITS

& FN4 MODE

Remarks

Flef. No.

c629,630 ECEAlJS101E
c031,632

S
S

S

e

c701,702 311-045008
c703,704 ECEA1ES221E
c705.506 ECKW1Hl03ZF

c7Q7,708 ECKW2H103PE

C811
c812
c813 ECEAlCS330E

5

S

2701,702

Part

No.

ECEA1CS330E

ECEA1HS2R2E
ECESl6N220VE

COMPONENT

325.053507

Descriplion

Electrolytic

ylic

Eleclro I

Eleclrolytic

Elecirolytic

Ceramic
Ceramic

Electrolytic
Eleclrolytic
Electrolytic

COMBINATION

Component

Comb. Bectifier

Remarks

S

S

THERMISTORS

s
s

S
S
S
S

c

S
S
S
S

c

S

D

S

c
c

S

TH8O1,

802 325-052609

TH601,

602 325{52610

1601,602

R471
R472

R501,502 ERDzsTJ8235
R503,504 ERD25TJ104S

R505,50€,

507,508 ERD25TJs61S

R509,510
R511,512
R513,514
R515,516
R517,518
R519,520

n523,524

R525,526
R527,528
R529,530
R533,534
R535,536
R537,538 ERD25FJ152P
R601,602
R603,804 ERD25TJ223S
R609,610
R611,612 EFD25TJ272S

R613,614 ERD25TJ563S

R615,616 ERD25TJ472S

R.617,618

R619,620
R621,622 ERDz5TJ471S
R623,624 ERD25FJ272P

R625,626
H6?7,62A ERD50FJ182P
R629,630 ERD50FJ392P

R631,632

633,634

R635,636

637,638

R639,640

R641,642

643,644

R645,646
R647,648
R649,650

381-050041

ERD25FJ1OlP

ERD25FJ561P

ERD25TJ473S
ERD25TJ8235
ERD25TJ3935
ERD25TJ102S
ERD25TJ3345
ERD25TJ562S
ERD25TJ183S
ERD25TJ152S
ERD25TJ682S
ERD25TJ183S
ERD25TJ104S
ERO25TJ3325

ERD25TJ5635

ERD25TJ332S

ERD25TJ103S

ERD25FJ470P

ERO25FJ102P

EFD25FJ821P

EF.D?'FJ221P
ERD25FJ820P

324-041039

ERXlANJP6RSS
ERG2ANJPIOOS
EHD25TJ272S

Thermistor,

Thermistor,

corLs

Choke Coil

RESISTORS

Carbon Film

Film

Carbon
Carbon Film
Carbon Film

Film

Carbon

Film

Carbon
Carbon Film
Carbon Film
Carbon Film

Film

Carbon
Carbon Film

Film

Carbon
Carbon Film
Carbon Film
Carbon Film
Carbon Film
Catbon Film
Carbon Film
Carbon Film

Film

Carbon

Film

Carbon
Carbon Film
Carbon Fllm
Carbon Film

Film

Carbon

Film

Carbon

Film

Carbon

Film

Carbon

Film

Carbon
Carbon Film

Film

Carbon

Film

Carbon

Film

Carbon

Film

Carbon

Wound

Wire

Metal Film
Metal

Oxide

Carbon Film

l'reter

Orive

Bufler

S

S

S

S

sA.T670

16

REPLACEMENT

PARTS

LIST

Rel.

No.

Part No.

R651
R652

R661,662

ERD5OFJ392P

ERXlANJPlROS

663,654 ERDz5TJ152S

R671,672

R7O1,702 EflG1ANJP101S

R703,704
R801,802 ERD25TJ4725
R803,804 ERD25TJ682S
R811,812 EBD25TJ183S

ERG2ANJP331S

EBD50FJ182P

F813 ERD25TJ562S
H814 ERD25TJ332S
R815 ERD25TJ473S
R816

EFD25TJ472S

fl817 ERO25TJ333S
8818 ERD25TJ824S
F819 ERD25TJ563S

R82O

ERD25TJ393S

R821 EFG2ANJMS1S

VARIABLE RESISTORS

vR601,

602 327.041053
vR501 493-327003
vR502

vR503,

504

ss

433327004

493-327005

349-041156

s7 349{4115€

Descriplion

Film

Carbon
Metal Ftlm

Fiim

Carbon
Metal

Oxide

Mstal Oxide

Film

Carbon

Film

Carbon

Film

Carbon

Film

Carbon

Film

Carbon

Filfi

Carbon

Fllm

Carbon
Carbon Film
Carbon Film

Film

Carbon
Carbon Film

Film

Carbon

Melal Oxide

ICO Adj. 500 ohm

Volume Control 250

Control

Balance

Treble

Base &

swrTcHEs

Spkrs Switch

Main

Remot6 Spkrs Swilch

(B)

250 k

Control

k ohm

ohm

100kohm

Reilarks

(B)

{BH)

(C)

R6f. No.

R455,456
R457,458 ERD25TJ563S

F1459,480

F481,462
R463,484
R465,466 EHD25TJ472S
R467,468
R46S,470 ERD25TJ104S
fr471,472 EFD25TJ102S

R473
R474 ERO25TJ564S
F475 EFD25TJ472S
R476 ERDzsTJ1515

RSZ,a78 ERD25TJ102S
R479,4{n ERD25TJ563S

R571,572
R573,574 EHD25TJ221S
R575,576 ERD25TJSZS

Part

No.

EHD25TJ6845

ERD25TJ5625
EHO25TJ5633
EHC14GK225

EHD2sTJ821S

ERD25ru103S

EBD25TJ82d:

D6scription

Film

Carbon

Film

Carbon
Carbon Film
Carbon Film
Solid

Film

Carbon

Film

Carbon

Film

Carbon

Fi'm

Carbon

Fi|m

Carbon

Film

Carbon

Film

Carbon

Film

Carbon

Film

Carbon

Filtn

Carbon
Carbon Film
Carbon Film
Carbon Film

Femarks

VARIABLE RESISTORS

vR451

c

S

c

S

s8,

s9

493.327001

341-050023

349-041152

Var. Besistor Mixing

JACKS

Mic Jack

swtTcHEs

Push Switch,

Filter

JACKS

49&341001

Headphones Jack

RELAYS

RLY811 422441004

TIIC MIXIHG & FILTER

Q451,452
0453,454 2SC1328STMS

2SC1328STMS Bufler

Speaker

PCES

Mix Amp

0455 2SC1328STMS Mic Amp

CAPACITORS

C451,452
C453,454 E9614116,2MO Ceramic

C455,456 ECEASoNIE

C457,458
C459,4e0 ECKW1H222MD

c461,462

463
C464
C455
C4€6 ECQM1H483KZW
C467

C4S

C571,572
c573,574

ECEAs0MlSE

Electrolytic

Eleclrolytic

ECEA50M1SE Electrolylic

C€ramic

ECEA50M1SE Electrolytic

ECW1H222MD

EC,I(W1H471KB

ECeA1VS470VE

EC€A1ES221E

ECOM1H273KZW
ECQM1H183KZW

C€ramic
C€ramic

Polyester
Electrolytic
Etectrolytic

potyester
Polyester

RESISTOR$

Protection

TRANSISTOHS

-

R451,452

8453,454

ERD2sTJ5&S

ERD25TJ1053

Carbon

Fitm

Carbon Fitm

17