Clarion HE-202A-B Service Manual

Cf-AR.IOI\T

SEFIVIC)T

MANLJAL

L

ATRAC}<

MODEL

CLARION

UsA

EUROPE BRANCH:

SHOJI. CO., LTD.

NEW KOJIMACHI BLDC.,3, 5-CHOME,

BRANCH: CLARION

2306 COTNER AVENUE,

2OoO HAMBURG 76,

CARTRIDGE

STEREO

PLAYEFI

HE.ZOZA(B)

SHOJI. CO., LTD.

CLARION SHOJI

LOS ANGELES, CALrF.,90064,

SCHOENE AUSSIOHT 35. OERMANY. PHONE:

KOJIMACHI,

(EUROPA)

OHIYOOA.KU,

(U.S.A.)

G.m.b.H.

u.s.a.

ÏOKYO,

pHoNE

2207ao7

FOR

HOME IJSE

JAPAN.

No.272-1178.272-1'l

PHONE

NO.265-2931-4

69. 479-5556.

:I.SPECIFIGAT!ONS:

TAPE SECTION

Reproduction:

Tape

speed:

Wow Flutter:
Crosstalk

L

Crosstalk

AUDIO

SECTION

Círcuit

Audio

output:

Rated

output:

Distortion factor:

Gain and input lmpedance:

ratio:

S/N

Voltage

(adjacent):

(left

method:

amplif

and right):

(includes

ication

degree:

8 tracks, 2 channel, 4
stereo system

(9.5

37c ips.

Below
Above 40dB
Above

tape reproduction

Semi complimentary
SEPP
Above 3OW

5Wx2

Below lYo
PHONO.
PHONO.

AUX

Mtc

PHONO. 1 Above

PHONO.

cm/sec.)

0.37o

3OdB

ITL.

OTL

(at

the rated output)

1 Below 3mv(50ko)

Below

2

Below 150mV

Below

Above

2

AUX Above

Mtc

ïAPE

PHONO. 1 Above
PHONO.

AUX

Mtc Above

Above
Above

2 Above

Above

program

section)

150mV

(150ko)

(150ko)

3mV(10kO)

55dB
65dB
65dB
65dB
45dB
65dB
32dB
32dB
60dB

Frequency

Output band

Residual

Output

Damping
Power supply

Power consumption:

Semiconductors:

Dimensions:

Weight:

characteristic:

width:

output:

impedance:

factor:

voltage:

or 2SC458LG

25C732

or 2SC458L

2SC373

or 2SC984

2SC735

25A562

2SD235

M-851 3A

x 1

SH-l

(OO1-0072-00

lODC

or 25A565
or 2SC1061

HV-23, HV-46

or

PHONO.
PHONO. 2 30Hz

AUX 30Hz
MIC 50Hz
TAPE

(Stereo,

frequencyl

tion

30Hz

-

Each terminal

8Ox2

Above 20

AC 117V

50Hz)

Below 60W

19 transistors

x 7

x 2

x 4

x

2

x 4

x

6

or 0071-001

14"(356m/m)

1O.2"1259mIm)

7.9"(200m/m)

lbs.

14.4

í 30Hz

50Hz

endless

30,000H2

below 8mV

(8O)

6OHz(AC

(at

and

x 2

width,

(6.5

kgl

30,0O0H2

-

-30,000H2

30.0O0H2

-

-30,0O0H2

10,000H2

-

tape reProduc-

220V

max output)

1 1

diodes

height,

dePth

-t-

Printed

in Jopon 298-,l58ó-0C

*COMPONENTS:

MICROPHONE

DMA.O48-OOO

HE.2O2A

HA-2022-O4

280-291
280-2851

cAA-o10-000

HE-2028

HA-2022-O5

ss7-00

920-1

CAA-OI0-000

,fiEXTRA

SPEAKER

Specifications:

.

2way

o

Diameter

.

lmpedance:

o

Maximum

.

Output

o

Frequency

.

Dimensions:

.

Weight:

HEAD

PHONE

6-00

-O0

ACCESSORIES:

KIT

SKA.O3O

speaker

of speaker:

permissible

sound

characteristic:

(air

system

input:

pressure:

HPA-OO3.OOO

Main
Owner's
Owner's

pump

Oil

Main unit

Booklet bag

pump

Oil

tight)

bass

treble

8í)

20W

98dB
50

-20,000H2

Width

Height

Length

10 lbs.

unit

guide
guide

6%"

(cone

type)

10.2"(259mlm),
16"(406m/m),

8"(2}2mlml

(4.5

kg)

3"

(16

(7.5

Set

1

Each

í

Each

1

1 Each

1 Set

Each

1

Each

1

cml

cm)

Specifications:

o

Type: Moving type unidirectional

microphone

r

Frequency characteristic: 100

.

lmpedance:

.

Sensitivity:

.

Lead length:

.

Weight:

.

Microphone

stand:

-9,000H2

1oko

-60d8

(2m)

Ít.

6.6
lbs.

2.85

201-01 20-00

*FEATURES

r

Reproduction oÍ
possible.

magnetic or

d ispl ayed.

.

With the LE-301 FM

multi band

phone

is available and by

pleasant

.

Sound in

combined

o

ITL-OTL circuits

mixed

8

By

combined use

crystal

broadcasts

performance

beautiÍul color can

with the color

but the input transformer

semi-complementary
those troubles

maximum

ful aud

o

The compact

signed

bined

and oÍÍice.

with speakers, the unit is well suited Íor both home

due

less than 1o/o

with

io characteristic.

silver color front

with consideration to

track

type stereo

with a

pick-up,

eliminate not only the output transformer

to

excellent record

stereo

can be received. An

employing a dynamic microphone,

can

sound

as well by

lTL.

SEPP.

transformers. Audio output is 30W at

distortion

pack

record

cartridge

be enjoyed.

visually

be

(extra

graph

OTL

panel

ease of operation. When

(130

s)

(cartridge

set, wonderÍul

tape)

player

having

perÍormance

exclusive head

FM

enjoyed when

cost).

the

employment of a

thus doing away with

and

displays wonder-

is

mechanically de-

com-

is

a

is

!_

Specifications:

r

Type:

.

Frequency

o

Maximum

o

lmpedance:

.

Lead length:

.

Weight:

HEAD

PHONE

Specifications:

o

Type:

.

Frequency

o

Maximum

o

lmpedance:

.

Lead length:

e

Weight:

characteristic:

permissible

characteristic:

permissíble

MICROPHONE

Specifications:

o

Type:

.

Frequency

r

lmpedance:

.

Sensitivity:

.

Lead

o

Weight:

o

Microphone

characteristic:

length:

HPA.OOI.OOO

DMA-OsO.OOO

stand:

input:

input:

Moving

coil

phone

20

-29,969t1,

0.5w

8l}

(2m)

ft.

6.6
(440

lbs.

9.7

Moving

coil

phone

,'

50

18,000H2

0.5W

8s,

(2m)

ft.

6.6
(350

lbs.

7.7

Moving

type unidirectional

microphone
100

10,000H2

-

10ko

-64d8

(2m)

6.6 ft.

(350

7.7 lbs.

201-O121-OO

type

s)

type

s)

g)

stereo

stereo

head

head

*GENERAL

OPERATION

o

.

power

The
circuit

displaying superior characteristic. lÍ

circuit is

to an

prevent

short

overcurrent in each circuit

damage,

and right channel

blow, always

The unit
radiation

countered.

lnstall

the unit

(Provide

a

MAINTENANCE AND

INSTRUCTION

stage is composed

circuited,

protecting

power

replace with

should not

be

is unsatisfactory

(BeÍer

to Fig.

place

in a

proper

space between the

a

píopsr

in a

lnstall the unit

(Provrde

of a sem i-complementary

the

transistors will

Íuses

are

supply
a 1A rated fuse.
installed

'1

sections.

in a location

as inductive noíses

)

where heat

plaoe

where

spaco between

the speaker

be

damaged

directly connected. To

provided

lf

a

radiation

unit and the

hoat radiation is

the unit and the wall.)

in

both left

fuse

should

where heat

may be

is

sufficient.

wall).

suÍÍjcient.

due

en-

I

-2-

1. CONNECTION METHOD

1-1 Speaker connection

Do not mistake terminal order. Facing the

unit, from the left,

(-),

and

the left

side §peaker terminals

(Refer

the right side

to Fig. 2)

!on

Itt

speaker

(j (+).

Torminal

oÍ the main

rear of the

terminals

plate

on the

unit.

are

main

(+)

rear

Amplifier

left and

both

Remove

main unit

rear

unit

mechanism

two

The

printed circuit

the escutcheon.

Íacing

amplifier

the

lf

or

wiring

if

blown

increased.

both sides

i. AmpliÍier

fuse is

This

mismatch

the

output

ïhereÍore.

speaker.

Chassis
drawn

protection fuse

channels)

right

rubber

four

the

mechanism

internal
panel can not

referring

amplifier

to

protection

board

protection

color sound

speakers

When

are

protection

or faulty

aíter

below

employing

balanced

fuse

employed

connection

transistor,

care

should be exerclsed

wlth

is

x 2

1A

screws,

based

from

removed,

be

4'

Fig.

on

(Hefer

the

to

fuses

left side

Fig'

Íuse

graph carefully'

are

8O

additional

not

are

and

(1A)

protect

to

may-cause

resulting

(individual

withdraw

then

Since

side'

the

are

5)

blows,

employed,

below

remove

mounted

the

of

check

fuses

The

and

speakers,

8O'

the

rear

the speaker

the amplifier.

an

overcurrent in

transistor

in

when connecting the

base.

Rubber

for

fuses

the

the main

internal

the

on

section

will

power

that

insure

Speaker

breakdown.

be

is

L

L,

Right side speikor.

Ngte:

Do

8O.

increased, the amplifier fuse

sound

1-2 Record

With the

PHONO-'l

player,

connect to PHONO-2.

prevent

To

ground

lead to

not use

lf

magnetic type

and for

speakers having

speakers

will

player

of below 8O are used and the

be

heard.

connection

pick-up

crystal

the

inductive

noises,

the GND terminal on the

(PHONO-1) Íór magnotic typo

Receptacle

(Refer

stereo

ceramic

or

connect

(PHONo-2)

an impedance

be blown

will

to

Fig. 3)

player,

pick-up

type

player

the

main unit.

pick-up

ooímic

crystal or

for

Fis.2

blow

of

output

and no

connect to

stereo

board or

playor.

typo

protoction Íuso

AmpliÍieÍ

This Íus is omployéd

the ilplifior.

or omployed to

an

trilsistor,

breakdown.

shouli,

oonnocting

Spoaker mismatch

curront rn the output

ovor

rosulting in transistor

TheÍefore, care

be exorcisod when

tho

protoct

gpeaker.

to

(A)

may

protsct

oaso

Home sloroo

unit bottom sotion.

main

scutcheoG

----

Fis.4

./

To r@ord

day6r.

1-3 AUX

The

output, tape

100mV.

2.

SERVICE

2-1

(auxiliary

AUX terminal is

recorder line

POINTS

lndividual knob operating instruction

When operating the

minimum.

Replacement

2-2

method

input)

used with

output or

SELECT

Íor amplifier

terminal

fuse

to faulty

capacity

speaker

Fuses of the

blown fuses

designaled

due

amplifying

other outputs

radio tuner

appx

of

knob, turn the volume

protection

must be used when

wiring or other

replacing

reasons-.

Fig.

5

o

Cleaning

the

The head surface will

teriorated

occurs
During

to

with

clean the head surÍace with a swab

the

rainy season,

(Refer

head

prolonged

to Fig.

become

stereo

clean the

6)

pack

tone

usage.

dipped

hoad

dirty and

head once a week.

Reproducing

quality

When this

in alcohol.

Fis.

de-

6

-3-

.

Motor

CareÍully

hole with

Lubrication

sect ion.

lubrication

apply

two

the attached

is

easily

(ReÍer

or three

pump

oil

performed

to Fig. 7)

drops oÍ oil to

every 1,000 hours.

the

on

rhe

motor oil

main unit bottom

r

AC receptacle

The AC receptacle

(AC

117V

available

however,

receptacle

dangerous.

independent

is

above

for

instructions

220V)

117V

other

located

outtet. This

power

oÍ the

(AC

electrical

rear

on

of the

AC

switch. Power

22OV)

2A.

appliances,

main

117V

Do not

as

such

unit is

an AC

(AC

22OV)

consumption,

employ

practice

a

is

this

is

{.WHEN

(50

Hz

When

the

Remove

main unit

A. Connect

chassis

side of

(Refer

LINE FREoUENCY

Hz)

or 60

the frequency

main unit,

the four

internal mechanism

a white

to

the

the

terminal.

to Fig.8.)

adjust

lead from

right

of

as Íollows.

rubber

(50H2

Home stereo

tS DIFFERENT

power

the

based

from

the

-+6OHz)

(for

lead

Red

Orange lead (for

main unit bottom

source

difÍers from that

screws, then

the side.

section

withdraw the

motor on the bottom

50Hz)

60Hz)

Fig.7

*INDIV!DUAL

1. AMPLIFIER

Power

supply volrage

Output impedance

1-1 Power

A. lmproper power

quality

distortion

heating.

adjusted.

B.

Ouiescent current
Íormed

at the

ln this case,

the

current

20mA).

Measuring

'100

to the

(01

resistor
the followíng

LeÍr
Riqht

1-2 Power

The

of

maximum

voltage
(Upper

V6g

and

distortion

varying

the

of

Normally.

1-3 lndividual

When tape
external

and

vacuum-tube
table.

input terminal

adjustment

Tone

Left

Volume

SECTION

SECTION

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

quiescent

stage

stage

(crossover

Therefore,

measurement

amplifier

adjust the

Ílowing

method:

-250mA

2-3250-00)

side

stage voltage

values.

(L)

(R)............

side

undistorted

With

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

of the

lower

waveÍorms
increases.)
30kO semi-f

VCf

is

15

-

input

reproduct

performed

or

voltmeter

quality

adjustment

and

right

balance ...........-...........

adjustment

ADJUSTMENT

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

quiescent

current

AC 117V,

(AC22OY

BO

current

quiescent

current,

distortion)

current

may

protectíng

leÍt

in the

the fuse

varied,

síde

range,

adjust

(L)

pre

45

30

Íuse_

to

ampliÍier

removed,

and

the

-55mA

-

balance adiustment

power

power

output is

stage transistors

become unsymmetrical,

Therefore, adjust

ixed

17V.

terminal

ion

volume

is

extremely

(012-3249-00).

resisror

voltage gain

or

small,

with a CR

to

obtain

the values

Hz

60

SOHz)

adjustment

results

in tone

or transistor

must be

be conveniently per

the value

the 50OO

quiescent

lornd

section

tester

semi-flxed

current

carefully

(15

swjtched

35-4

decreased

unbalanced.

voltage

the volume

gain

.. Maximum

adjustment

measurement

oscillator

in the

Maximum

Center

VCf

Írom an

Íollowing

over-

with

with

and

by

and

-

to

§

Put into the

B-

Thick
Slim

iíl

0

lNV

(9

,6)

@

/,(/

pulley

upside

down.

side ..... for 50 Hz

side

.......-

for

60

Hz

Fig.

Measured

terminal lnput

TAPE

PHONO

1

PHONO

2

Fis.

8

9

AUX

Mrc

FM radio

Note

1.

TAPE

producing
ad.iustment

resistor

lf

a test tape

and C192
175pF

4v

lf

the

veniently

cartridge

reproducing

500H2- 10VU Íull

(01

2-27

oÍ the

sígnal from the

1

1dB

'l75rrv

located

voltage mV

140rV

2mV

1 2OmV

I 2OmV

3mV

5OmV

sensitivity

deviates, adjust

4-OOO],.

is

not available.

pre-ampliÍier

CB

value

is hard to read, an

as

shown in

Output voltage V lated Írequency

Above 3.5V
Above

3.5V

Above 3.5V
Above 3.5V
Above

3.5V

Above

3.5V

is

at

set

4V

width tape. lÍ the
using the

disconnect

section,

oscillator and adjust the

Fig.

the

then

attenuator

10.

l,OOOHz

1

1

l,OOOHz

r

t

1dB

sensirivity

1OkO

semi-fixed

leads Írom C2

apply a 500H2,

5OOHz

,OO0Hz

,000H2

,000H2

when re

gain

is con-

\-

Hz

to

-4-

ATT :

-60d8

1 75mV

V,:

\,12:175pV

Note 2.

lf

measurement oÍ the individual ínput terminals in the

ampliÍier section

check

s:

proves

normal,

perform

the

Fis. 10

following

2-1 Area

lnsert

position

adjustment

the area adjusting tape,

from the top

adjustment to

turning the adjusting
adjusting

chassis.

hole

(ReÍer

(employing

(2

channels 2

obtain maximum leÍt

screw with a screwdriver through

indicated

to Fig.

by

1 1)

a test tape)

the

set

-6

and ríght

AREA. ADJ

adlustrng hole

head to

tracks)

printed

the

second

perform

and

outputs by

on

the
the

L

L

A.

When tape
the

D

When the volume Írom the external input terminal is small,

check the

Note

3.

reproduction volume

and apparatus connections.

head

connected

apparatus.

is small,

lf the ampliÍier section measurement

check

and

is abnormal, refer to

trouble shooting i nstructions.

1-4 Trouble

(When

A. Program

B.

Speaker

source

performance

C. Ad.lustment

due to fauity

Frequency

D.

The above

thought

characteristics

obtai

faulty

ned.

parts

are all

to

be involved

k-È{r}-*ï

TAPE

PHONO 1
PHONO

2

AUX

Mlc

FM radio cartridge

Higher

hamonics

distortion Íactor

shooting

quality

tone

faulty-

deteriorated.

deviates

parts

in

the ampliÍier.

characteristics

in

the amplifier.

possible

near the

ratings in the following

OHz

5

dB

13t3
16t3

0:! 1

O+1

Ot3

ot3

Below

sal at 5W output F:1,OOOH,

bad tone

acoustically

is

and the

causes.

perform

1

OOHz

dB

11a3

13

L2

0
0
0
o

quality

poor.)

distortion factor

are

considerably

ln

cases where

measurements

5OOHz

1,OO0Hz

dB

o

4+2

3tl

o
0
o
o

is increased

varied

the main

to ascertain

table

5,OOOHz

dB

o
o
o
0
o

due

can be

dB

7x2

ot1

O+1

Or1

0+'1

adjust

unit

the

to

is

if

1

0,oooHz

dB

13Í3

0.5+ 1

0.5t 1

_1il

1r1

2-2 Azimuth adjustment

Refer to Fig.

lnsert the azimuth adjusting tape

to the second

head

tracks) and
and right outputs by

a

screwdriver

AZIMUTH ADJ

12

perform

through

printed

position

adjustment to obtain the maximum

turning the

on

Area adiusting

(employing

a test

(5kHz

whole width), set the

from the top

adjusting screw slowly with

the adjusting

hole

the chassis.

screw

tape)

(2

channels,

indicated

Fis.

1 í

2

-6

left

by

Measurement ....

lf

characteristics are near

the

quality

is

still

A. ln

the case

BeÍerence output
Reference
Load

impedance

quality

Tone

poor;

tape reproduction,

oÍ

voltage

voltage Apply

input

adiuster

the ratings

possible

in the table,

or worn head or deviation of adjustments in the

section. Check the above.

B. With

2. HEAD POSITION

sound from external input, check the apparatus

nection.

AND HEAD ANGLE

ADJUSTMENT

When the

volume,

the

ad.iust

SCTEWS.

head

poor

head

position

sound

position

or angle to the tape

quality

or crosstalk result. ln

by the AFEA, and

deviates,

AZIMUTH

O.115V

par

8o

(Pure

resistance)

Maximum

and tone

causes are a

mechanism

insufÍicient

such

adjusting

1-3

tone

dirty

con-

cases,

-5-

Adjustment

2-3

available

lnsert a

channel,

maximum
Next,

quality

stereo

1

-

volume

perform

turning

by

ad]ustment, however,

procedure

(8

pack

tracks), set

5 tracks) and

turning

by

the adjustment

the azimuth

can

when

perÍorm

the area

necessary

be obtained

not

Fig.12

tape is not

a test

the

adjustment

ad.iusting screw slowly.

to the top

head

to obtain the

to

obtain high

adjusting screw.

from this method.

(1

tone

Accurate

1.

Note

PerÍorm head
position

or

angle

or repair.

Note 2.

Prior to

clean

Accumulated
adjustment

PRESSURE

3.

lmproper

capstan result

quality.

pinch

sure

is required,

oÍ chassis supporter

Note:

the head

the head

pressure

lÍ

in any stereo

roller clean.

mechanism

ad.iust the

The stereo

impossible.

in

adjustment

only

is changed

position or

dipped

a

with

swab

dust may

cause

ADJUSTMENT

adjustment or dirt

wow

Readjustment of

is almost

seen

panel,

pack

Ílutter

and

pack,

wow

completely unnecessary.

pressure by turning

thróugh

facing

cause wow

may

the head

when

the result

as

angle

alcohol'

gain

a

decrease

(neterto

in

and Ílutter

the

the round hole on

the escutcheon.

and

oÍ

adjustment,

or make

Flg 13)

the inch roller

on

addition

arises, wipe

MODEL ts'E2O2pres-

Ílutter.

installation

replacement

thoroughly

perÍect

poor

to

lÍ adjustment

the derlin

the

right side

and

tone

the

nut

Lessen

Escutchon'

pressure

lncrease

Chassis support

D rivor

pressure

panel

\

]

L

pressure

Pack

adiustrng

screw

hole

Fis. 13

*TROUBLE

(ReÍer

to circuit diagrams,

Trouble Defective circuit

No sound.

Reproduced'

sound weak.

High

tones

not

reproduced.

tones

Low

not

reproduce.

SHOOÏING

Power

supply circuit.

circuit

Output

Pre-amplifier

driver stage.

Equalizer

Microphone circuite

Switch

Driver stage and

output circuit

Equalizer

microphone

Equalizer

Equalizer circuit

circuited

circuit

and

circuit

INSTRUCTIONS:

printed

circuit boards and assembly diagrams)

and

circuits

.

Rectifier

.

The
(008-0613-01

o

Faulty contact

o

Ctos, C364 and C3g7 short circuited.

.

Speaker

.

Output transistor Ots, Oro, O17

circu

.

R32, Rrs,

r

05, 06, Ot,

I

Crr, Ctz,Cr:,Cra, Cts, Cro,Crrt,Crrz,Crr:, C114,C115 and

C116 open or short circuited.

I

R:o? and R36g open

r

Or, Oz,

o

Cr,Cz, Ca, Ce, Cs, C9, C361, Caoz, Ctor, Croz, Cror, Cro+,

and R199 open or short circuited.

o

Rao2 and R364

.

O19 open or

o

C+01,

R4o8 oPen.

'
r

Faulty

1

Cn,Crq,

.

Rt9, Rrtg,

varied.

o

Os, Oo, Ot, Oa, Oq, Oro, Orr, Orz, O13

o

C:, Cros and C463

o

Rz, Rroz, Fi461

o

Or, Oz, O3, 04 and O19 deteriorated.

.

Poor reproducing

a

Faulty adjustment

a

Reproducing head

o

Cs, Co, Cz,

o

RZ, Ra,

leaking.

(001-0072-00,

primary

voice

ited.

Rrr and

03 and 04 open or short circuited.

Cqoz,Ccotand C464 opàn o, short

switch contact,

Crc, Cro, Crl.+ and C116,

Bs, RrO, RrOo, Rror, Rros, Rtro, Ra, Rao and R136

DeÍect and cause

0O1-007 1-00)

and

secondary side of

is

open.

)

power

with

coil open.

OA, 09 and O16 open or short

open or short circuited.

short

RZr, RZZ, ROt, RnZ, RZO and R126

and

head sensitivity

Cros, C166

supply switch

R132

oPen.

short circuited.

or

circuited.

leaking

capacity.

R4o2 resistance value varied.

reproducing

of

(01

1-021

1-001 worn.

and

C167

open.

power

supply

(013-3027-00).

O1g

and

open

circuited.

circuited.

leaking

capacitance.

O14 deteriorated.

and

(01

head

leaking capacitance.

1-021

lO11-O21

1-00)

transformer

or short

resistance

1-0O) azimuth.

Croa

value

Corrective action

Replace
Replace

Replace

Replace
Replace

Replace

Replace
Replace

Replace

Replace

Replace

Replace

Replace
Replace

Replace

Replace

Replace

Replace
Replace

Replace
Replace

Replace
Replace

replace

or

Clean

Readiust

Replace
Replace

Replace

\

§

-6

Trouble Defective

Driver circuit

is

Sound

distorted.

Equalizer and

microphone

circu its

Power

Oscillate.

Driver stage and

output circuit

Equalizer circuit

(

Head

switching

impossible.

sound

No

'

the

in

radio

pack.

Plunger circuit

Power supply

or

connecting

circu

supply

it

Circuit

circuit

circuit

Defect

.

Orr,

Orz, Or:, Or+, Ors, Ore

pairing.

o

D1, D2, Dt,Dc,

o

Semi-fixed resistor

resistance varied or

o

Rr7,

RrS, RZO. Rza, RZs, RZO, Rtn,

and R126 open.

.

Crt and C117

r

Or, Oz, 03, Oa and Q19 deteriorated.

o

R2,R4,

o

Cz, Ct,

Cs,

leaking capacitance,

a

C:or,

Caoz, Caor,

a

Raot,

RtoZ, Raos,

resistance varied.

r

R36

and

.

Cre and C113 leaking

o

Reproducing head connecting

.
.

.
o

o Plunger

o
.

o
r

ixed resistor

Semi-f

and

C+

C164

Faulty contact or defective mechanism

(960-2657{O).

switch

silicon diode short circuited.

Q

(015-O14O-O2)

Cloz short

Plunger

Cgoz short circuited.

Faulty connector

pin.

bent

D5 and D6 deteriorated.

2-3249-AO-Íor balance adiustment

O1

2-325o-00-Íor non-signal current adjustment.

01

ad.justment deviates.

leaking capacitance.

Rro, Rroz,

Rrle

circuited.

(015-0140-02)

Rro+,

Cs, Croz. Cror, Croa,

Cao+, C.365 and C462

Rso+, Rros, Raoo, ReOz, BaOa and

oPen.

capacitance,

(for

gain

leaking capacitance.

coil layer short

coil

pin

contact

Rrro,

adjustment)defective.

layer

Orz

and O1s defective or

,

Rrtq, Rzzo, R123, R126,

R4s1 and R4os open.

Crog, C+ot, C+or and C4s4

leaking capacitance.

(010-1631-00)

lead

in the channel

circuited.

circuited.

short

(074-0400-00)

to a broken

due

R4s6

defective.

changeover

faulty

Correction

Beplace

Replace
Readiust
replace
Replace

R125

or

Replace

Replace

Replace

Replace

Replace

Replace
Replace

Replace
Replace

Beplace

Replace

Replace
Replace

Beplace
Replace
Replace

Replace
Beplace

Repair

replace

or

e

-7

EXPLODED

*

VIEW

(See

parts

list,

Grey

portion

disignàte assemblies)

A-

/ \ï,\

N

l" )')@m.,

\JJ

7-

:-eu»

-oD

N

%"=

(\\

\\___:

o

u

Yn-l

=Q

Ug

=8'

!

-8-

+re'ue,

ó

,rt

102

sg

o978

-9-

u

ly

-

t0

f

PARTS

*

(Parts

circled in

REF

Nro

380-3265

2

380-32

a

122-021A

4

371 2267 00

5

37

6 314-27

371 2264 00

8

3t 5-0411-00 Pilot

I 375

10

375-0473-00 Pilot decoration

11

315-0414

12

31 1

g2M3x6

14

+2M26x6

'1

5 330

16 750-0830
17

34 1

i8

320 01 52 00

19

382 0050 00 B utton

20

750-1241

21 M4x?5

22

74

23

34

24

319 0001-00 Cabinet

25 303 024 1

z6 311 2266-01

21

008-061 3-0

2B M3xO.5x6

29

M3r0

30

07 3-02 5-000 Terminal

31

330-4679 01

32

M3x0

33 7 22-019,OOO
34 745-03 1
35

01 3-301 9-00 Power

36 330 4685-00

3l 312

38

281 1175-00

39

287 1111-00

40

330-4683 00

41

073-C421-00

4?

o42-O102-00

43

099

44

1

20-001 -000

45

013-O422-O0

46

*

47

825

48

01 7-003

49

070-08s6 01

50 330 4680-00

51 09 9-3

52 M3x0.5x10

FO

M3

LIST:

gray

PART

01

66-01

Refer to disassembly

are assembly.)

NO

B knob

knob 55

A

diagrams,

DESC RI

PTI O N P,C,S

00 Nut 2

plate

Trim

5-047 5-00 Pilot

43-00 Esc

decoratron 1 5B

utc h eon

plate

Trim

decoration 1 61

0412 00

Pilot

decoratLon

00 Pillot decoration

-2265-00

4653 00

-005

9-00

00 S

00 S

p

Trim

ate

Tapping
Tapping

screw

screw

Hold Íittrng

prin g

ShaÍt 1

prooÍ

Dust

prin g

cover 1

Machine screw

5-046 3-00 Flat washer
5-22 9 6-00 Bubber

-00

1 Power supply transÍormer

base 4

Top half
Top

oÍ case

p

ate

Machine screw

5x8 I\zlachine

Hold

5x6 Machine

Hexagon

-000

Washer

screw

plate

screw

nut

switch

Power

switch

mounting

0131 01 Chassis

plate

Name

plat-^

Name

Lead hold

Íitting

Terminal

3946-01

r-J

002-001

Electrotytic

Printed circuit board

lPourar <ant,nn\

IA

Term in

Flat washer

Shading

capacitor 1

fLrse

al

(f

1

3) 15

tube

002 Pilot lamp

945-01

Pilot lamp

Circuit board
Printed

(Amolifier
Machine

Toothed

socket

circuit

secTlon)

screw

washer

hold f itting

board

(M3

x

photographs,

plate

(A)

0.5

1O)

x

printed

circuit board diagrams

REF

54

4

56 340-03 3 1

1

51 3'1 3-0790-00

,1

59 012-3254 0A

1

60 01 2-3253-00

62 330-46 B2-00

1

C'J

64

1

65 850,1

1

66 M3x0.5x6

2

67 281-117 6-00

2 68 286-3511-OO

2

69 073 0420-00 Termin a I

lo 073-04 1

11

,]

l2 3 1 2-01 30,00

1 13

4 74
4

15 745-03 1
16 M3x05x35

1

11 M3x0.5x4

,]

18

1

19 321 074?02 Flexible lead holder

1

80

4

81 71

2

2

B3 M2 6xB

1

84 01 1

39 85 630-024G 0 1

4

86 750 1 1

4

B7 632-01 42

1 BB

1

B9 M3x0.5x14

1

90 M3x0.5x8

1

91 630-0238

1 92 750-1197 01

1

,]

94

95 M2x 4

1 96

2

97 013218000

4

98
99 632-01 26-00

,l

100

101 750-1 1 69-01

5

1

102 M3x0.5x25

,l

103

,]

104 01 3-3028-00

10

105

2 106

PART

+2N13x0

1 46-441-AOO

-00

2

a1

3251 00

01 3 3020 00

012 3252 01

09 9,3 944-0

842 00

9- 00 Term in a I

074-004

9-00

722-424-000

-000

+23

1'3

#

6 01 81-00 Area

-021

1-

8&01

154 1231 01

1

0

40-02

5-01

634-0242

M3x0.5x6

043-0022-00

347

3s03 00-

330-4686-00

and circuit

NO DESC RIPTIO

5

Hexagon
lnsu

Spacer 3

Heat sink

Variabie resistor

Variable resrstor

/Ínr MIC v.l,,mc .ónÍrol\

Variable reststor

/Í^r

Botary switch

Circuit

Variable resistor

1

Head relay

Powe r

Machine screw

Name
Set

Chassis

AC receptacle

Hexagon nu1

Washer

Machine screw
Machine screw
Spring

Flat washer

Machrne screw

00

Reproducing head
Head

Set spring

A1 Collar

Balance

,Azrmuth

Machine

01 Balance

Adjust

Plunger 1

Mach ne
Spring washer

Hotary

(íor

01 Rotary switch mount f itt ng

Botary switch mounting screw

Machine screw

Raehet spring
Machrne screw

Cerarn

Microswitch
Insuiatlnq

Deek hold f inrng

diagrams

N

(*2)

nut

washer

ating

(for

tone control)

-A

^-)-^^ó

(for

selection)

hold Íitt ng

board

prrnted

lead 1

(B)

(for

volume control 1

ciicuit board

(M3

0.5 x 6)

x

plate

plate

(M310.5

(M3

35)

x

4)

0.5

x

r

washer

adjustino screw

(M2.6xB)

holder

shaft sprrng

adl usting screw

(M3x0.5xB)

screw

plate 1

spring

(M2

screw

swrtch

channel switching)

c capacitor

4) 2

/

(S2

2) 2

(M3x0.5r

(M3

y0.5 y

6) 2

25) 2

(CK) 1

paper

(B) 1

Dac

6

4

1

1

1

1

1

1

,l

2

1

1

2

1

1

1

1

l

1

1

2

2

-il-

REF.

101
108
109
110

111

112

113

115 750-1243

116
117

't

i8

119

120

121
122

I ZÓ

124
125

127
128

130

1

3"1

132

133

134

136

137
138
139

140

141

142
143

144

145
146

147

148

149
150

151

152

154

1trE

PART NO

M3x0.5x8

073

0230-00

M3x0.5x8

630-0389-00

M2.6

6

x

M2.6

x 8

632-O124-00

00

074-0400-00
605 00'l 2-0.1 Tape

63 1 -0044-00

3 3 5-058 5-00

611-00'1 4-00

M3x0.5x10

M3x0.5x10

360-3

6 5-000 S lide

630-0388-00
750-1242-00

360-898 1

360-9 1

6 3 1

00 Pressure

5-200 Pressure

-0046-00

630-0396-00

345-22 I 8,00

-1

36 1

33-000

M3x0.5x14

M3x0.5x6

630-03

97-00

607-001 2-00

N/5

630-0373-02

070-089

7-00 Pilot

345-2297-OO

-000

07 5-00 1

075-0080

073-0220

00

00

360-35 9-000

603-001

9-00

M2.6x4

-01

021

33-00

631

0047-00

145-O464-00

M4x0.7x'1 0

330-46

84-00

156
157

vL

w25V1

000rF Electrolytic

158

159

vl-w16V1

032-0001

000rF Electrolytic

-00

DESCRIPTION

Machrne

1L2P

lugrterminal

Machrne

(Sems

type M3xO.5x8)

plate

Base

Machine
Machine screw

sc'ew

screw

screw

(M3x

0.5

(M2.6x6)
(M2.6x8)

8,1

x

Sleeve

pring

S

Connector

prn

guide

cap

Lead holder

Flywheel

screw

(M3x0.5>'1

(M3

0.5

x

(B)

0)

10)

x

Machine screw
Machine

bushing

Stop lever

g

Sprin

spring

adjusting washer

plate

Guide

(2)

Plate

G romm el

Lock nul

Hressure

(M3>

Machine

-Housing

Housr ng 1

E

End

adiusttno

O.5x 14)

screw

plate

retaining nng

plate

lamp

socket

screw

(M3xO.5x6)

Pilot holder

Microphone

Head

1 L4P

Flat

Motor

phone

lug terminal

belt

pulley

socket

socket

Set screw

AC

l\,4otor

Collar

Washer
Machine

Deck hold fitting

Hole

cap

Wood

screw

Wound resistor

screw

ca

ca

(M4x0.7x

(A)

pacitor
pacitor

(1WO.41

10)

+

1

A

A%)

REF

P.C,S

14

160

2

161

162

1

163

164

165

1

166

,l

167 vl-w5ov'trF

1 168

.1

170 25C132

111

172

114

115

2

176 012-112-OOO

177

118

119

1

6

1

1

1

1

1

1

,]

1

1

,l

1

1

1

1

1

3

3
I

1

,l

2

3

1

4

PART NO, DESC RI PTIO N

25D235

or 2SC1061

2SC735

or 2SC984 Silicon transisïor

2S4526

or 25,4565

vl-w2

5V1

0'1 2-3250-00

012-3249

MB513,A
HV-26

2SC373

or 2SC458L

69 vl-wi

ov.t 00rF Electrolytic

or 2SC458L

vl-w10v10rF

vL

w6 3V220rF

vl-w6.3V33rF

vl-w10v47rF

vl-w1

0v220rF Electrolytrc

vlw16V4.1

54V0.04

uF + 20oÀ Polyester

50V0 15pF

50V50OPF

2Ma+10%

%\,N1

,NU82a+1O%

t/zw1Ka+10%

1ÀW33a+1j%ELR
1AN100O+14%ELR

W120O+1j%EtR

tNVz2Oa+1)%ELR

W470aiIj%ELR

t/^N56Oa+1O%ELR

%WB20a+1j%ELR

W1Kai1j%ELR
W1.2Ka+10%ítR

W1.sKa+1O%E:R

\ÀN2.2Ka+1j%ELR

1,4N3

SKA+1j%ELR

W4.7KO+1jo/óElR
aÀN\.6Ka+1j%ELR

1ÀN8.2KO+1)%?LR

\À

t12Ka+1j%ELR

W22Ka+1O%ELR

aÀN33KA+1O%EIR

W47Ka+1j%EtR

W1OjKat1O%ELR

Y&\'l15OKa+1j%ÉLR
aÀW1?1Ka+1j%ELR

090-01 91 00
090-01

92-00 Speaker

3 1

6-0382-00

311 226?-0A

-1

11 4-04

281
07 4-O442-OO

output silicon transistor

Srlicon transistor 2

F

00r

Electrolytic

Semi-Íixed resistor

00

or HV-23

SemiJixed

Diode

Electrolytic

Silicon transistor 2

Silicon transistor 1
Electrolytic
Electrolytic
Electrolytic
Electrolytic

Semi-fixed resistor

pt Électrolytic

+20% Polyester

+20% Polyester

Solid

Solid resistor
Solid resistor 1

Film resistor

Film resistor
Film resistor
Film resistor
Film resistor

Film resistor
Film resistor
Film resistor ?
Film resistor
Film resrstor
Fiim resistor
Film resistor
Film
Film resistor
Film resistor 4
Film resistor
Film
Film resistor
Film resistor
Film resistor
Film resistor A
Film resistor 2
Speaker

Speaker case

Trim

Name
Termrnal
Speaker

capacitor

(25Vl

00lF) 2

(500OB)

(30K8)

resistor

capacitor

capacitor

capacitor

(50V1lF)

(1

0V1

OOtF)

1

0v1 OrF)

capacrtoí 6.3V22OPt) 2
capacitor 6.3V3 3rF)

pacitor

ca

1OV47

capacrtor 10v220pF)

(1

0KB) 2

capacitor

(1

4.7

6V

capacitor 2
capacitor
capacitor

resistor

resistor

resistor

(Íor

low

tone)

(for

high tone)

olëte

pl61s

plate

grrlle

P,C.S

4
4

2

2

6

4

2

I

1

pF) 3

1

pF) 2

2

2

1

7

2

5

2

4

2

4

3

2

3

6

3

5

8

1

4

4

2

5

-

12-

fr

PRTNTED

*

CtRCUtT

BOARD

COMPONENT

VIEW

(}'

-

t3

-

*

PRINÏED

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CIRCUIT

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