Sanyo M7700l User manual

SERV.

8423

SERVICE

MANUAL

MINI

FM/MW/SW/LW

STEREO

RADIO

CASSETTE

RECORDER

M77OOLE

EUROPE

141

888

07

SPECIFICATIONS

Recording

System.

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

AC

Bias

DIN

OUTPUT

202

ves

doe

etd

Dees

2.2k-ohm

Erasing

System.

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

AC

Erasing

EXT.Speaker

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

3.2

—

Gohm

Tape

Speed

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

1-7/8ips

+3%

Headphone

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

8o0hm

Fast

ForwardTime.............

140sec.

(C-60

cassette)

Current

Consumption

(at

Min.

VR)

Rewind

Time...............0-.

‘140sec.

(C-60

cassette)

RECORD

mode

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

210mMA

Wow

&

Flutter...

..0.....000.0.

0.25%

RMS

PLAY

mode

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

160mA

Frequency

Response

F.FWD

mode

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

180mA

NORMAL

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

70

—

10,000Hz

REW

mode

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

180mA

Signal

to

Noise

Ratio

Output

Power

...........00...

2.0/chW

(maximum)

without

DOLBY

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

Better

than

48dB

Power

Source

Hum

&

Noise.......

Less

than

—55dBs

(Min.

Vol.

and

Tone)

AC

BS

ta

eee

Bae

AC

Adaptor

(120/240V

50/60Hz)

Crosstalk

Bo)

iteersrerreg

ete

7.5V

(UM-2,C

Cell,

HP

11,R14,

Babyzellen

x

5)

Track

to

Track...

2...

Better

than

50dB

Channel!

Separation.

.........

~

Better

than

50dB

Frequency

Range

Distortion

(3rd

harmonic)

LEW

>

vegetal,

erat

Loe

he

2

te

a

Ns

150

—

350kHz

NORMAL

ALS

ase

eden

ce

fie

5%

IAW

ts

oS

SN

Sect

ence

a

AE

ci

AS

525

—

1,605kHz

Terminal

Impedance

SW

ena

e

Ma

kG

ee

ea

Bowes

ett

d

5.8

—

18MHz

MEE

cS

aint

one

Oh

kA

fo

At

3.3k-ohm

EM

seve

Bunce

oehce

tease

al

koh

dao

87.5

—

108MHz

DIN

INPUT...

00.2

0000000..

3.3k-ohm

—Specifications

subject

to

change

without

notice.—

WM-4529.

DISASSEMBLY

INSTRUCTIONS

CABINET

BOTTOM

ASSEMBLY

REMOVAL

AMPLIFIER

P.C.BOARD

ASSEMBLY

REMOVAL

1.

Take

out

the

cassette

tape

from

the

compartment

by

1.

Follow

the

instructions

for

the

Cabinet

Bottom

Assembly

pressing

the

STOP/EJECT

button.

Removal.

2.

Turn

over

the

unit

on

a

soft

surface

and

remove

the

battery

2.

Unscrew

the

two

screws

(6

&

7)

fastening

the

P.C

Board.

compartment

lid.

Then,

take

out

the

five

batteries

from

the

unit.

3.

Unscrew

the

five

screws

(1

—5)

fastening

the

Cabinet

Bottom

and

lift

the

Cabinet

Bottom

as

illustrated.

3.

Pull

out

the

connector

(CN1)

from

the

P.C.Board.

4.

Carefully

remove

the

P.C.

Board

by

lifting

it

in

the

numerical

order

as

illustrated.

Cabinet

Bottom

Connector

(CN1)

4.

Pull

out

the

two

connectors

of

the

dipole

antenna

from

the

Radio

Tuner

P.C.Board.

Then,

remove

the

Cabinet

Bottom.

Cabinet

Bottom

5.

Reassembie

in

the

reverser

order.

RADIO

TUNER

P.C.BOARD

REMOVAL

1.

Follow

the

instructions

for

the

Cabinet

Bottom

Assembly

Removal.

2.

Turn

the

Tuning

Knob

fully

in

an

arbitrary

direction.

5.

Reassemble

in

the

reverse

order.

DISASSEMBLY

3.

Unscrew

a

screw

(8)

fastening

the

P.C.Board.

4.

Remove

the

P.C.Board

by

lifting

the

tuning

knob

side

of

it.

NOTE:

Do

not

turn

the

Tuning

Knob

before

the

Tuner

P.C.Board

is

re-mounted

to

the

unit.

5.

Reassembie

in

the

reverse

order.

RADIO

CHASSIS

ASSEMBLY

REMOVAL

1.

Remove

the

Cabinet

Bottom

Assembly,

Amplifier

P.C.Board

Assembly,

and

Tuner

P.C.Board

Assembly

by

following

the

instructions

for

them.

2.

Pull

out

the

Volume

Control

Knob,

Tone

Control!

Knob,

Balance

Control

Knob,

Mixing

Control

Knob,

and

Tuning

Knob

from

the

unit

as

illustrated.

Volume

Control

Knob

TanaContrerKnes

Mixing

Control!

Knob

Balance

Control

Knob

»

cca@)

S)

Ve

iC

Connector

(CN

1)

Radio

Chassis

Tuning

Knob

3,

Unsolder

the

three

leads

from

the

Radio

Tuner

P.C.Board

and

remove

the

connector

(CN1)

from

the

Amplifier

P.C.Board

as

illustrated.

INSTRUCTIONS

(Continued)

4.

Unscrew

the

two

screws

(9

&10}

fastening

the

Radio

Chassis

and

remove

the

Radio

Chassis

by

tilting

it

as

illustrated.

NOTE:

*

The

Radio

Chassis

may

be

removed

without

unsoldering

the

leads.

Remove

the

Radio

Chassis

noting

the

leads.

*

If

the

Radio

Chassis

from

the

Cabinet

Top

is

completely

removed,

unsolder

the

lead

wires

of

the

Sound

Level

L.E.D.

and

Built-in

Microphone

from

the

Amplifier

P.C.Board.

5.

Reassemble

in

the

reverse

order.

CHASSIS

ASSEMBLY

REMOVAL

1.

After

removing

the

Cabinet

Bottom

and

Radio

Chassis,

unscrew

the

screw

(6)

fastening

the

Amplifier

P.C.Board.

Then,

turn

over

the

Radio

Chassis.

See

the

illustration

below.

2.

Unscrew

the

screw

(11)

fastening

the

Jack

Bracket,

the

screw

(12)

fastening

the

Governor

Circuit

P.C.Board,

and

the

screws

(13

—

16)

fastening

the

Chassis

as

illustrated.

DISASSEMBLY

INSTRUCTIONS

(continuea)

3.

After

removing

the

Jack

Bracket

and

the

Governor

Circuit

CASSETTE

COMPARTMENT

LID

REMOVAL

P.C.Board,

remove

the

Chassis

as

illustrated.

1.

Open

the

cassette

compartment

lid

by

pressing

the

STOP/EJECT

button.

2.

To

remove

the

cassette

compartment

lid,

unlock

the

click

of

the

cassette

compartment

lid

from

the

Cabinet

Top

by

Chassis

pressing

the

counter

side

of

the

lid

as

illustrated.

Cassette

Compartment

Lid

Radio

Chassis

4.

Reassemblie

in

the

reverse

order.

NOTICE

ON

REASSEMBLY

1.

When

the

unit

is

re-assembled,

check

to

see

that

the

lead

wires

do

not

touch

the

driving

mechanism

(Example:

Flywheel,

Pulley,

and

Belts

etc.,).

2.

When

you

solder

the

removed

lead

wires,

please

refer

to

the

Wiring

Diagram.

MECHANICAL

ADJUSTMENTS

GENERAL

REMARK

@

Before

adjusting

the

mechanism

of

this

unit,

wipe

the

tape

contacting

surfaces

clean

as

well

as

the

contact

surfaces

of

the

driving

parts

with

a

soft

cloth

soaked

in

alcohol.

Trouble

may

occur

because

of

oil

and

grease

stains.

@

Carefully

handle

the

belt

because

grease

easily

attaches

to

it.

FLYWHEEL

THRUST

ADJUSTMENT

The

clearance

between

the

Flywheel

Thrust

and

the

Flywheel

should

be

0.03

—

0.35mm

with

the

Chassis

turned

over.

\f

necessary

,

adjust

the

clearance

by

the

following

procedure.

1.

While

moving

the

Capstan

up

and

down,

slowly

turn

the

Flywheel

Thrust

clockwise

to

obtain

the

clearance

of

O

between

the

Thrust

and

Flywheel.

NOTE:

Do

not

turn

the

Flywheel

Thrust

forcibly.

Adjustment

Flywheel

Support

S

+

Flywheel

Thrust

'

0.03

—

0.35

mm

Flywheel

Capstan

_—

2.

Turn

the

Thrust

counter-clockwise

by

45°

from

the

position.

3.

After

the

adjustment,

secure

the

Thrust

with

paint

or

glue.

POWER

SWITCH

POSITION

ADJUSTMENT

1.

Check

to

see

that

the

Power

Switch

is

positioned

over

the

center

of

the

chassis

adjusting

hole

as

illustrated.

Mounting

Screw

Power

Switch

Position

the

leaf

over

the

center

of

the

hole.

Take-up

Gear

2.

|f

necessary,

loosen

the

screw

fastening

the

Switch

and

adjust

the

switch

position

by

moving

the

Switch.

3.

After

tightening

the

screw,

check

the

switch

movement

as

follows:

*

Set the

unit

in

the

playback

mode

and

slowly

push

the

F.FWD

button.

Then,

check

that

the

Power

Switch

is

changed

over

from

‘'Close’’

to

"Open",

and

that

it

is

changed

to

‘’Close’’

again

after

the

Take-up

Gear

meshes

with

the

FF

Gear.

4.

Check

that

the

Power

Switch

functions

properly.

Then,

secure

the

screw

with

paint

or

glue.

ELECTRICAL

ADJUSTMENTS

REQUIRED

EQUIPMENTS

VTVM

(two

sets)

Frequency

Counter

Dummy

Load

(470

k-ohm)

Dualtrace

Synchroscope

Test

Tapes

*

3kHz

test

Tape

(TEAC

MTT-111)

for

Tape

Speed

Adjustment

*

8kHz

Test

Tape

(TEAC

MTT113C)

for

Head

Azimuth

Adjustment

*

1kHz

Test

Tape

(TEAC

MTT-112B)

for

Playback

Gain

Adjustment

DC

Constant-Voltage

Regulator

Alignment

Tool

Prior

to

the

Electrical

Adjustments,

set

the

unit

and

the

measuring

instruments

as

follows:

Function

Switch

2.2...

0.0...

00

ees

TAPE

Mode

Switch.............

0000s

STEREO

Input

Select

Switch

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

to

REC/PB

terminal

Beat

Cancel

Switch

..........

0.0000

eee

ee

es

1

DC

Constant-Voltage

Regulator

Output

.......

7.5V

DC

NOTE:

1.

Perform

each

adjustment

in

the

described

order.

2.

Obtain

the

output

from

the

R/P

DIN

socket.

3.

Supply

7.5

V

DC

from

the

constant-voltage

regulator

to

the

unit.

4.

When

obtaining

the

output

from

the

R/P

DIN

socket,

connect

the

leads

noting

the

terminal

numbers

as

illustrated.

Ground

Right

Channel

Output

Right

Channel

Input

Left

Channel

Input

Left

Channel

Output

TAPE

SPEED

ADJUSTMENT

1.

2

Remove

the

battery

compartment

lid

and

connect

the

frequency

counter

to

the

left

or

right

channel

output

terminals

of

the

R/P

DIN

socket

as

illustrated.

Frequency

Counter

3,000Hz

(+3%)

Dummy

Load

470

k-ohm

Insert

the

3

kHz

test

tape

(Example:

TEAC

MTT-111)

into

the

compartment

and

play

it

back.

Adjust

the

tape

speed

by

turning

the

potentiometer

(P801)

on

the

Governor

Circuit

P.C.Board

with

an

alignment

tool

to

obtain

3,000

Hz

(43%)

on

the

frequency

counter.

See

the

illustration

below.

Tape

Speed

Adjusting

Hole

HEAD

AZIMUTH

ADJUSTMENT

ile

Remove

the

cassette

compartment

lid.

Connect

a

VTVM

and

{

a

dualtrace

synchroscope

to

the

R/P

DIN

socket

as

illustrated.

Synchroscope

x.)

dc)

Dummy

Load

470

k-ohm

Dummy

Load

470

k-ohm

Set

the

synchroscope

as

follows:

*S

MODE.

2

fang

tp

Dust

i

Be

©

tat

hk

dat

2

a,

CHOP

Po

SOURCE

chsh

Setok

a

ines

setlist

INT

(CH1

of

CH2}

*™“SWEEPIMODES

os.

2

oct

hb

oat

See

Nera

Bee

AUTO

Insert

the

8

kHz

test

tape

(Example:

TEAC

MTT-113)

into

the

compartment

and

play

it

back.

Slowly

turn

the

azimuth

adjusting

screw

until

the

amplitudes

of

both

channel

output

wave

forms

become

maximum

and

the

wave

forms

overlap

as

well

as

possible

in

the

maximum

condition

of

the

VT

VM

as

illustrated.

R/P

Head

ELECTRICAL

ADJUSTMENTS

(continua)

Adjustment

4.

After

the

adjustment,

secure

the

screw

with

paint

or

glue.

PLAYBACK

GAIN

ADJUSTMENT

1.

Connect

the

two

sets

of

VTVM

to

the

R/P

DIN

socket

as

illustrated

and

insert

the

1

kHz

test

tape

(Example:

TEAC

MTT-112B)

into

the

compartment.

REC

VTVM

B

Dummy

Load

470

k-ohm

470

k-ohm

RIGHT

CHANNEL

2.

Check

to

see

that

the

output

of

the

right

channel

is

0.65

V

(£0.1

V)

with

the

unit

in

the

playback

mode.

3.

If

necessary,

ground

the

resistor

R108

and/or

R109

by

soldering

the

pattern

to

obtain

the

specified

output

as

illustrated.

Q303

LEFT

CHANNEL

4.

Adjust

the

output

by

grounding

or

separating

the

resistor

R208

and/or

R209

with

the

same

method

as

RIGHT

CHANNEL.

5.

After

the

adjustment,

check

that

the

output

difference

between

the

right

channel

and

the

left

channel

is

within

2

dB.

a,

c205

R205

ote

:

aed

owe

“Se

]

ow

C206

e4}+-6C207

C2

Die

eite

pec

eae

a

od

*

R207

fee

x

oes

oc:

na

Gee

ee

‘emia

ts

om

«

C2108

be

am

ae

HE

tc2

zeit

c2097*"

c20stia709

0%

owe

ae

R202

dus

R210

O

=

oft

R208

&

rset

2

oO.

Teed

R203

|

OSCILLATOR

FREQUENCY

AND

RECORDING

BIAS

ADJUSTMENT

RIGHT

CHANNEL

1.

Connect

the

VTVM

across

R103,

and

the

frequency

counter

to

the

output

terminal

of

the

VTVM

as

illustrated.

VTVM

3.8mV

—

4.3mV

Frequency

Counter

48.85kHz

—

48.95kHz

ote

6

TS)

Os

dae

Q303

2.

Set

the

unit

in

the

recording

mode.

Then,

adjust

the

frequency

by

turning

the

core

of

the

oscillator

transformer

(T301)

with

an

alignment

tool

until

the

frequency

counter

reads

48.85

kHz

—

48.95

kHz.

3.

Adjust

the

potentiometer

(P101)

with

the

unit

in

the

recording

mode

until

the

VTVM

reads

3.8mMV

—43

mV

(380

nA

—

430

pA).

LEFT

CHANNEL

Connect

the

VTVM_~

across

R203.

Then,

adjust

the

potentiometer

(P201)

until

the

VTVM

reads

3.8

mV

—

43

mV

(380

pA

~—

430

pA).

VTVM

3.8mV

—

4.3mV

TUNER

ADJUSTMENT

Measuring

Instruments

Required

at

FM/SW

alignment

(Tuning

Range

and

Tracking)

@

AM

Standard-signal

Generator

@

FM

Standard-signal

Generator

®@

Generator

Scope

:

@

Stereo

Signal

Generator

Scope

atte

eS

re

®

Loop

Antenna

‘3

ped

le

@

Dummy

Antenna

(300

ohm,

balanced

type)

sl

Eid

ab

ie!

$

te

e

VTVM

nie

¢

@

Frequency

Counter

7

Orerg@rre

aig

@

Distortion

Meter

"9

P|

GTP

10

®

Oscilloscope

ry

s

ee

@

Dummy

Load

(3.2

ohm)

+

ee

t

Te

osz-5

®

Alignment

Tool

¥

fod

rzsiew

rag

pot

°C

%

TQ,

|

es

1

6

oe

0ed

NOTE:

opie

F009}

gsre_°

°

87%8

Set

the

Function

Switch

to

RADIO

(ON).

Then,

perform

each

alignment

following

the

chart

below.

(Input

Side)

(Output

Side)

Measuring

Instrument

Connections

at

MW/LW

alignment

;

FM

Signal

Generator

Loop

Antenna

?

AM

Standard

Signal

Generator

Dummy

Antenna

VTVM

Oscilloscope

[

;

Bama

Load

|

Dummy

Load

EXT.

SP

32-60

3.2

ohm

fee

ee

3.2

ohm

iO}

Pe

MW

ALIGNMENT

Standard

test

frequency

400

kHz

and

modulation

30%

at

AM

Connections

Frequency

Alignment

of

Signal

OUTPUT

Generator

Tuning

Dial

Setting

Adjustment

Remarks

Calibration

Connect

standard

Obtain

symmetrical

curve

of

IF

for

loop

antenna

to

Connect

input

and

maximum

amplitude,

T5,76

and

T7

|

output

terminal

of

terminal

of

gene-scope.

gene-scope

to

460

kHz

T5,T6

and

T7

Adjustment

Place

bar

antenna

detector

output.

of

60

cm

away

from

IF

Gain

loop

antenna.

Calibration

Connect

standard

505

kHz

T10

Obtain

sine

wave

of

400

Hz

of

loop

antenna

to

Connect

VTVM

with

+

and

maximum

amplitude.

Tuning

Range

|

output

of

signal

3.2

ohm

dummy

load;

1670

kHz

High

End

TC3

generator.

and

oscilloscope

to

Adjustment

Place

bar

antenna

Ext.

speaker

terminal.|

600

kHz

600

kHz

L5-1

(bar

ant.

coil)

of

60

cm

away

from

Tracking

loop

antenna.

1400

kHz

1400

kHz

TC4

L

Repeat

the

above

adjustments.

*

Use

a

screwdriver

with

plastic

grip

for

all

adjustments.

FM

ALIGNMENT

Connections

TUNER

ADJUSTMENT

(continue)

Standard

test

frequency

400

Hz

and

deviation

22.5

kHz

Frequency

Alignment

Calibration

Place

output

of

gene-scope

on

Trap

Coil

(L2).

of

Signal

OUTPUT

Generator

Connect

input

terminal

of

gene-

scope

to

detector

output.

Calibration

of

Tuning

Range

Adjustment

of

Tracking

Connect

signal

generator

to

antenna

terminal

through

dummy

antenna.

Tuning

Dial

Setting

Low

End

Adjustments

Turn

T4

(blue

core}

fully

counter-

clockwise.

T2

and

T3

Obtain

symmetrical

curve

and

maximum

amplitude.

T4

(blue

core)

Obtain

S

curve

and

maximum

amplitude.

Connect

VTVM

with

3.2

ohm

dummy

load

and

oscilloscope

to

4

High

End

Ext.

speaker

terminal.

90

MHz

90

MHz

106

MHz

106

MHz

Obtain

sine-curve

and

maximum

amplitude.

Repeat

the

above

adjustments.

’

Use

a

screwdriver

with

plastic

grip

for

all

adjustments.

SW

ALIGNMENT

Alignment

Calibration

of

Tuning

Range

Adjustment

of

Tracking

Connections

Frequency

Connect

signal

generator

to

antenna

terminal

through

dummy

antenna.

of

Signal

OUTPUT

Generator

5.7

MHz

Connect

VTVM

with

Tuning

Dial

Setting

Low

End

Adjustment

3.2

ohm

dummy

load;

18.7

MHz

High

End

4

|

and

oscilloscope

to

Ext.

speaker

terminal.

6.5

MHz

6.5

MHz

17

MHz

17

MHz

Remarks

Obtain

sine-wave

of

400

Hz

and

maximum

amplitude.

Repeat

the

above

adjustments.

*

Use

a

screwdriver

with

plastic

grip

for

all

adjustments.

LW

ALIGNMENT

Alignment

Calibration

of

Tuning

Range

Adjustment

of

Connections

Frequency

Tracking

Connect

standard

loop

antenna

to

output

of

signal

generator.

Place

bar

antenna

60

cm

away

from

loop

antenna.

+

of

Signal

OUTPUT

Generator

147

kHz

Tuning

Dial

Setting

Low

End

Adjustment

T11

Connect

VTVM

with

3.2

ohm

dummy

load

365

Hz

High

End

TC8

and

oscilloscope

to

Ext.

speaker

terminal.

170

Hz

170

Hz

L5-2

(bar

ant.

coil)

310

Hz

310

Hz

TCS

+

Remarks

Obtain

sine-wave

of

400

Hz

and

maximum

amplitude,

Repeat

the

above

adjustments.

TUNER

ADJUSTMENT

(continued)

FM

MULTIPLEX

ADJUSTMENT

Prior

to

the

adjustment,

set

the

unit

as

follows:

2.

Connect

the

VTVM

with

3.2

ohm

dummy

load,

distortion

@®

FunctionSwitch

..........00ce0e

ae

RADIO

(ON)

meter,

and

oscilloscope

to

the

external

speaker

jack

of

the

@

Band

Select

Switch

........

00000

cee

eee

FM

left

channel

as

illustrated.

@

Mode

Switch.......

2.20.00.

es

STEREO

@

ToneControl

2.0.0...

ee

eee

MAXIMUM

VTVM

@

VolumeControl

.......

2.2...

200

ee

eee

Center

@

L

EXT.

SP

3.2

~

60

©:

Oscilloscope

19

kHz

(V.C.0.)

ADJUSTMENT

1.

Connect

the

frequency

counter

to

the

twelfth

in

IC2

as

illustrated.

»

Dummy

Load

3.2

ohm

Frequency

Counter

Distortion

Meter

3.

Adjust

the

input

measuring

instruments

as

follows:

@

Stereo

Signal

Generator

2.

Adjust

the

potentiometer

(P1)

until

the

oscillation

*

Pilot

Signal...

....

7.5

kHz

dev.

{modulation

10%)

frequency

of

IC2

becomes

19

kHz

(£20

Hz).

*

Stereo

Signal........

67.5

kHz

dev.

for

main

signal

(modulation

90%)

*

Modulation

Frequency

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

400

Hz

@

FM

Standard-signal

Generator

CHANNEL

SEPARATION

ADJUSTMENT

*

Signal

Generator

Frequency

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

98

MHz

1.

Insert

the

3000hm

dummy

antenna

(balanced

type)

*

Signal

Generator

Output

...........0...

66

dB

through

the

FM

antenna

terminals

(TP1

and

TP2)

in

the

Radio

Tuner

P.C.Board

as

illustrated.

4.

Perform

the

alignment

following

the

chart

on

the

Stereo

Signal

Generator

Dummy

Antenna

300

2.

—~10—

FM

MPX

ALIGNMENT

se

Alignment

ALL

IC

FO

(19

kHz)

Adjustment

TUNER

ADJUSTMENT

(continuea)

Standard

test

frequency

400

Hz

and

deviation

75

kHz

Connections

Tuning

Dial

Adjustment

None

OUTPUT

Connect

frequency

counter

or

synchro-scope

to

No.

12

of

IC

(LA

AN7410).

FM

Stereo

Signal

Separation

Connect

Stereo

SG

to

antenna

terminal.

Main

channel

signal

of

StereoSG

——

ON

Pilot

(19

kHz)

and

Sub

channel

signals

of

Stereo

SG

——

ON

L

channel

and

Pilot

(19

kHz)

signals

of

Stereo

SG

——

ON

Connect

VTVM

with

3.2

ohm

dummy

load.

distortion

meter,

and

oscilloscope

to

R

channel

Ext.

speaker

terminal.

Setting

Obtain

19

kHz

on

the

frequency

counter

or

synchro-scope.

Maximize

amplitude

and

VTVM

reading.

Tuning

Dial

Minimize

distortion

meter

reading

with

maximum

amplitude.

Minimize

amplitude

and

VT

VM

reading.

Main

channel

signa!

of

StereoSG

——

ON

Pilot

(19

kHz)

and

Sub

channel

signals

of

Stereo

SG

——

ON

R

channel

and

Pilot

(19

kHz)

signals

of

Stereo

SG

—-—

ON

Connect

VTVM

with

3.2

ohm

dummy

load,

distortion

meter,

and

oscilloscope

to

L

channel

Ext.

speaker

terminal.

Repeat

the

above

adjustments.

e

Use

a

screwdriver

with

plastic

grip

for

all

adjustments.

5.

Re-connect

the

measuring

instruments

to

external

speaker

6.

jack

and

adjust

the

tuning

knob

and

the

potentiometer

(P2)

following

the

i=

Maximize

amplitude

and

VT

VM

reading.

Tuning

Dial

Minimize

distortion

meter

reading

with

maximum

amplitude.

Minimize

amplitude

and

VTVM

reading.

Repeatedly

perform

the

adjustments

in

Items

5

and

6

to

minimize

the

signal

leakage

for

both

right

and

left

channels.

Then,

reduce

the

difference

between

each

channel

separation

by

adjusting

the

potentiometer

(P2).

DIAL

CORD

STRINGING

DIAL

CORD

STRINGING

1.

Mount

the

Radio

Tuner

P.C.Board

on

the

Radio

Chassis

and

then,

the

Drum

to

the

shaft

of

the

variable

capacitor.

Tie the

dial

cord

of

length

1,050mm

(effective

length:

950

mm)

and

diameter

$0.5

to

the

spring

and

hook

the

spring

to

the

illustrated

position

of

the

drum.

Engage

the

dial

cord

as

illustrated

in

the

following

order.

Drum

=>

Pulley

A

==>

Tuner

Shaft

==

Pulley

B

==>

Pulley

C

==

Pulley

D

==>

Pulley

E

==

Pulley

F

=>

Drum

==>

Spring.

Tuning

Shaft

4.

30mm

(approx.)

L

Re

the

cord

over

the

center.

Hook

the

dial

cord

to

the

spring

and

tie

the

cord

where

the

spring

tip

extends

to

the

center

between

the

two

scratch

marks

on

the

drum.

(Spring

length

becomes

approximately

30

mm.)

Secure

the

place

where

the

spring

is

hooked

to

the

drum

and

the

knot

in

the

dial

cord with

paint

or

glue.

Turn

the

Tuning

Shaft

until

it

stops

and

set

the

pointer

over

the

mark

on

the

Radio

Chassis

as

illustrated.

Then,

fix

the

pointer

there.

Apply

white

lacquer

to

the

pointer

to

secure.

PARTS

LIST

Part

No.

Description

PACKAGE

TUNER

P.C.B.

ASSY

[rane

[nin

id

141

2

1719

20300

6

1419

41404

6

1449

57900

|

Styrofoam

Case,

Top

Styrofoam

Case,

Bottom

Poly

Cover

Poly

Cover

6

1449

58000

6

2519

10690

6

2519

23033

6

3119

19300

Handle

Individual

Carton

Handle

Reinforce

141

6

4559

00100

Serial

No.

Sheet

ACCESSORIES

Coes,

es

he

41919

71100

4

2419

72222

141

6

4119

93500

AC

Adaptor

Cassette

Instruction

Manual

CABINET

D302

4

2359

70990

4

2359

74151

4

2449

70250

14101119

64201

141

01119

64301

141

01249

15000

141

0

1339

08100

141

01719

08100

141

05519

06600

141

21149

19300

141

2

1559

02601

141

21719

19701

141

22149

13000

141

2

2449

30200

141

22719

11900

141

22719

12000

141

22719

12500

141

2

2899

11200

141

23729

00800

141

2

4219

09800

141

24419

13500

141

2

4539

05400

141

2

4569

05100

141

24729

03001

141

27319

35500

141

27519

42400

141

28519

78900

101

31202

60613

101

3

1302

60618

101

3

1302

60818

102

3

1303

00811

112

3

1302

00012

143

3

1303

03018

202

57900

02420

141

2

1649

12900

141

2

1639

30600

141

2

1639

30700

141

2

1639

33600

141

2

1639

33700

|

Band

Select

Knob

SP1

4

1519

70790

|

Speaker

(3.2

ohm)

SP2

4

1519

70790

|

Speaker

(3.2

ohm)

MIC1

4

1539

70551

|

Microphone

MIC2

4

1539

70551

|

Microphone

RT

Socket

Connector

4P

Assy

Rod

Antenna

Cabinet

Top

Complete

Cabinet

Bottom

Assy

Cassette

Lid

Assy

Battery

Lid

Assy

Handle

Arm

Assy

Eject

Gear

Assy

Speaker

Screen

L.E.D.

Grille

Handle

Ribbon

Sheet

Handle

Cover,

Left

Handle

Cover,

Right

Handle

Reinforce

Grille

Tape

Fix

Speaker

Bracket

Screw

Cushion

Washer

Ring

Lug

Cum

Shoulder

Strap

Shaft

Spring,

Cum

Screw,

Flat

Hd.

Screw,

Pan

Hd.

Screw,

Pan

Hd.

Screw,

Pan

Hd.

Tapping-1

E

Ring

Screw,

Pan

Hd.

Tapping-B

+M2.6x6

+M2.6x8

+M3.0x8

M2

+M3.0x30

Diode,

SLP-24B

(Sound

Level)

Volume

Knob

Microphone

Volume

Knob

Tuning

Knob

Fine

Tuning

Knob

=~S2

32

32W-WNOANNNHNHNHABSAHNH

PBS

SBaBNH

SB

aNHNeENHNoBoBemaNHoNHsasoow

Aa

L.E.D.

P.C.B.

ASSY

D12

D13

4

2029

70870

4

2029

70871

4

2269

31690

4

2029

71090]

L.E.D.

P.C.B.

Assy

Diode,

SLP-137B

(FM

Stereo)

Diode,

SLP-237B

(Tuning)

L.E.D.P.C.B.

mo

oo

TUNER

P.C.B.

ASSY

41259

71350

141

24729

04700

141

24729

05000

141

24729

04400

Tuner

P.C.B.

Assy

Staple

10

Staple

5

Staple

12.5

=43=.

101

3

1302

60411

141

2

3229

27300

141

2

4469

23200

4

2579

70870

4

2539

70210

4

2539

70230

4

2539

70230

CC1

0

1500

KDOOC

CC2

2

3500

ZGOOC

Cl2

2

3250

KEOOC

CC2

2

0500

JDOOC

CC3

0

A500

CDO0C

CC2

0

A500

CCHOC

CC1

0

1500

KDOOC

Cl2

2

3250

KEOOC

CC2

2

3500

ZGOOC

Cl2

2

3250

KEOOC

CC1

5

0500

JCHOC

CC1

5

0500

JCHOC

CC1

5

0500

JCHOC

CC1

0

0500

JCHOC

C12

2

3250

KEOOC

CC5

0

A500

CCHOC

CC2

2

3500

ZGOOC

CB4

7

4100

0000V

CD2

2

6100

0000V

C12

2

3250

KEOOC

Cl2

2

3250

KEOOC

CC2

2

3500

ZGOOC

Cl2

2

3250

KEOOC

CC2

2

3500

ZGOOC

Cl2

2

3250

KEOOC

CD1

0

763A

0001V

Cl2

2

3250

KEOOC

Cl2

2

3250

KEOOC

CC1

0

2500

KEOOC

Cl2

2

3250

KEOOC

CC3

3

1500

KEOOC

CC3

3

1500

KEOOC

CD4

7

563A

0000V

Cl2

2

3250

KEOOC

CM1

5

3500

KOOSV

CD1

0

663A

O000V

Cl1

0

3250

KEOOC

CM1

5

3500

KOOSV

CA2

2

463A

XO000V

CD2

2

6100

OO00V

CD2

2

763A

0001V

CC1

5

0500

JDOOC

CC1

0

0500

JDOOC

CC3

0

A500

CDO0C

CC2

7

0500

JDOOC

C12

2

3250

KEOOC

CC1

0

0500

KDOOC

CC1

5

0500

JDOOC

CS3

1

2500

JOOOV

CS3

5

1500

JOOOV

CS2

0

1500

JOOOV

CC5

0

A500

CDOOC

CD1

0

763A

0001V

CU9

5

0500

JOOOV

CC2

2

3500

ZGOOC

CM4

7

3500

KOOSV

CS4

7

1500

JO10F

CA3

3

463A

XO000V

CD1

0

563A

0000V

CD2

2

563A

O000V

CD1

0

563A

0000V

CM1

0

3500

KOOSV

CM1

0

3500

KOOSV

Screw,

Pan

Hd.

Shield

Plate

Cushion

Bar

Antenna

Bead

Ferrite

Ceramic

Filter

Ceramic

Filter

Ceramic

Boundary

Ceramic

Boundary

Ceramic

Boundary

Ceramic

Boundary

Ceramic

Non-polar

Electrolytic

Boundary

Ceramic

Boundary

Ceramic

Boundary

Electrolytic

Boundary

Ceramic

Boundary

Ceramic

Electrolytic

Boundary

Mylar

Electrolytic

Boundary

Mylar

Aluminum

Electrolytic

Ceramic

Boundary

Ceramic

100

pF

0.022

uF

0.022

uF

22

pF

3

pF

2

pF

100

pF

0.022

uF

0.022

uF

0.022

uF

15

pF

15

pF

15

pF

10

pF

0.022

wF

5

pF

0.022

uF

0.47

uF

22

pF

0.022

uF

0.022

uF

0.022

wF

0.022

uF

0.022

uF

0.022

uF

100

uF

0.022

uF

0.022

uF

0.001

uF

0.022

uF

330

pF

330

pF

4.7

uF

0.022

uF

0.015

uF

10

uF

0.01

uF

0.015

uF

0.22

uF

22

uF

220

pF

15

pF

10

pF

3

pF

27

pF

0.022

pF

10

pF

15

pF

Polystyrol

0.0031

pF

Polystyrol

Ceramic

Electrolytic

Mica

Ceramic

Mylar

Polystyrol

Aluminum

Electrolytic

Mylar

350

pF

200

pF

5

pF

100

uF

95

pF

0.022

uF

0.047

uF

470

pF

0.33

uF

1

wer

2.2

uF

1

we

0.01

WF

0.01

uF

+M2.6x4

+10%

+80,

—20%

+10%

+5%

+0.2PF

£10%

+10%

+80,

—20%

+10%

45%

+5%

45%

+5%

+10%

+0,2PF

+80,

—20%

+10%

£10%

+80,

-20%

+10%

+80,

-20%

£10%

+10%

+40,

—20%

+5%

£0.2PF

45%

+10%

£10%

£5%

+5%

+0.2PF

+5%

+80,

—20%

+10%

45%

+40,

~20%

3,

S34

So

oe

hy

hd

Ss

Sa

a

eS

Se

a

Be

es

ad

SS

os

Si

ge

i

a

oe,

Se

a

A

Sa

es

a

ee

ty

PARTS

LIST

(Continued)

:

Description

Part

No.

TUNER

P.C.B.

ASSY

CA2

2

463A

XO00V

CA2

2

463A

XO000V

CM3

3

2500

KOOSV

CM3

3

2500

KOOSV

CM1

0

2500

KOOSV

CM1

0

2500

KOOSV

CC1

2

1500

KDOOC

C12

2

3250

KEOOC

CC1

0

2500

KEOQOC

CC2

7

0500

KDOOC

TUNER

P.C.B.

ASSY

RD3

3

2251

JNOOO

RD3

3

2251

JNOOO

RD3

3

2251

JNOOO

RD3

3

2251

JNOOO

RD1

5

2251

JNOOO

RD2

2

1251

JNOOO

RD1

8

2251

JNOOO

RD3

3

A251

JNOOO

RD3

3

1251

JNOOO

RD2

7

2121

JHOOO

3.3k

ohm

3.3k

ohm

3.3k

ohm

3.3k

ohm

1.5k

ohm

220

ohm

1.8k

ohm

3.3

ohm

330

ohm

2.7k

ohm

1/4W

1/8W

Carbon

0.22

uF

6.

+40,

—20%

0.22

uF

+40,

—20%

0.0033

uF

+10%

0.0033

uF

+10%

0.001

uF

+10%

0.001

uF

+10%

120

pF

+10%

0.022

uF

+10%

0.001

uF

+10%

27

pF

+10%

Aluminum

Mylar

Ceramic

Boundary

Ceramic

4

2029

70860

4

2029

70790

202

59110

18820

202

5

9110

18820

4

2029

70860

202

59110

18820

202

5

9110

18820

4

2029

70860

4

2069

70232

4

2069

70500

4

2599

70334

4

2659

70180

4

2659

70300

4

2589

70911

4

2659

70241

4

2659

70241

4

2229

72450

4

2229

72060

4

2249

70451

4

2039

70380

4

2039

70380

4

2039

70460

4

2039

70431

4

2039

70431

4

2039

70431

RD33

2251

JSOOO

RD3

3

1251

JSOO0O

RD5

6

2251

JSOOO

RD2

2

1251

JSOOO

RD56

4251

JSOOO

RD5

6

2251

JSOOO

RD10

1251

JSOOO

RD3

9

4251

JSOOO

RD5

6

4251

JSOOO

RD22

1251

JSOOO

RD56 2251

JSOOO

RD68

4251

JSOOO

RD10

4251

JSOOO

RD10

1251

JSOOO

RD1

02121

JHOOO

RD1

02121

JHOOO

RD47

2251

JNOOO

RD47

2251

JNOOO

RD5

6

3251

JNOOO

RD1

0

1251

JNOOO

RD1

0

3251

JNOOO

RD1

5

3251

JNOOO

ROD68

3251

JNOOO

RD5

6

4251

JNOOO

RD2

2

2251

JNOOO

RD22

1251

JNOOO

RD2

2

2251

JNOOO

RD1

03251

JNOOO

RD2

2

2251

JSOOO

RD5

6

0251

JNOOO

RD1

0

0251

JSOOO

RD

17

8

3251

JNOOO

RD1

0

2251

JNOOO

RD

1

8

3251

JNOOO

RD8

2

1251

JNOOO

Diode,

ITT73N

Diode,

1TT410

Diode,

18188

Diode,

18188

Diode,

ITT73N

Diode,

18188

Diode,

1$188

Diode,

1TT73N

IC,

MPC1018

IC,

AN7410

RF

Coil

Loading

Coil

Loading

Coil

OSC

Coil

Loading

Coil

Loading

Coil

Potentiometer

(B-10k)

Potentiometer

(B-30k)

Variable

Condenser

Transistor,

2SC

1674

Transistor,

2SC

1674

Transistor,

2SC

1675

Transistor,

2SC

1815

Transistor,

2SC

1815

Transistor,

2SC1815

Carbon

3.3k

ohm

330

ohm

5.6k

ohm

220

ohm

560k

ohm

5.6k

ohm

100

ohm

390k

ohm

560k

ohm

220

ohm

5.6k

ohm

680k

ohm

100k

ohm

100

ohm

1k

ohm

1k

ohm

4.7k

ohm

4.7k

ohm

56k

ohm

100

ohm

10k

ohm

15k

ohm

68k

ohm

560k

ohm

2.2k

ohm

220

ohm

2.2k

ohm

10k

ohm

2.2k

ohm

56

ohm

10

ohm

18k

ohm

1k

ohm

18k

ohm

820

ohm

4

2319

73860

4

2249

70590

4

2249

70600

4

2249

70580

4

2249

70590

4

2249

70600

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2369

70740

4

2579

70790

4

2569

70990

4

2569

70321

4

2569

70331

4

2569

70910

4

2569

70920

4

2569

71130

4

2579

70721

4

2589

71420

4

2589

71360

4

2589

71570

4

2359

70990

Slide

Switch

(Band

Select)

Trimmer

Condenser

Trimmer

Condenser

Trimmer

Condenser

Trimmer

Condenser

Trimmer

Condenser

RT

Antenna

Coil

FM

10.7MHz

IFT

(FT

IFT

AM

1FT

AM

tFT

Antenna

Coil

OSC

Transformer

OSC

Transformer

MW

OSC

Transformer

RT

Socket

AMPLIFIER

P.C.B.

ASSY

4

1329

74673

4

2369

71571

141

2

4729

04700

141

2

4729

05000

141

2

4729

05800

CA1

04100

MOOOV

CC2

2

3500

ZGOOC

CC1

5

2500

KEOOC

CD4

7

5100

0000V

CD4

7

6100

0001V

CC5

6

1500

KEOOC

CC2

2

1500

KDOOC

CDi

07100

0001V

CD4

7

663A

0001V

CC1

2

2500

KEOOC

CC3

9

1500

KEOOC

CM1

8

3500

KOOSV

CC1

2

2500

KEOOC

CD1

06100

0000V

CD3

3

663A

0001V

CD2

2

5100

0000V

CC3

9

1500

KEO0C

CC1

0

1500

KDOOC

CD1

0

763A

0001V

Amplifier

P.C.B.

Assy

Connector

4P

Staple

10

Staple

5

Staple

15

Aluminum

Ceramic

Electrolytic

Ceramic

Electrolytic

Ceramic

My

lar

Ceramic

Electrolytic

Ceramic

Electrolytic

0.1

uF

0.022

uF

0.0015

uF

4.7

uF

47

uF

560

pF

220

pF

100

pF

47

WF

0.0012

pF

390

pF

0.018

pF

0.0012

uF

10

wr

33

uF

2.2

UF

390

pF

100

pF

100

uF

10V

50V

10V

5OV

50V

10V

6.3V

5OV

50V

10V

6.3V

10V

+20%

+80,

—20%

+10%

£10%

+10%

50V

+

50V

+

6.3V

AMPLIFIER

P.C.B.

ASSY

PARTS

LIST

(Continued)

AMPLIFIER

P.C.B.

ASSY

CEL

ie

[inn

done]

[Deen

[ind

CC5

6

1500

KEOOC

CM

2

3500

KOOSV

CD1

06100

O0000V

CD47

4100

0000V

CD2

2

5100

0000V

CC2

2

3500

ZGOOC

CD47

4100

0000V

CC1

0

2500

KEOOC

€D1

07100

0001V

CD33

7100

0001V

CD1

06100

0000V

CC1

0

1500

KDOOC

CD47

4100

0000V

CD47

6100

0001V

CD1

0

863A

0001V

CD4

77160

0001V

CC3

3

1500

KEOOC

CC2

2

1500

KDOOC

CM3

3

2500

KOOSV

CC1

00500

KDOOC

CA1

0

4100

MOOOV

CC2

23500

ZGOOC

CC1

52500

KEOOC

CD4

7

5100

0000V

CD4

7

6100

0001V

CC5

6

1600

KEOOC

CC2

2

1500

KDOOC

CD1

07100

0001V

CD4

7

663A

0001V

CC1

22500

KEQOC

CC3

9

1500

KEOOC

CM1

83500

KOOSV

CC1

22500

KEOOC

CD1

06100 O000V

CD3

3

663A

0001V

CD2

25100

0000V

CC3

9

1500

KEOOC

CC1

01500

KDOOC

CD1

0763A

0001V

CC5

6

1500

KEOOC

CM1

23500

KOOSV

CD1

06100

0000V

CD4

7

4100

O0000V

CD2

25100

O0000V

CC2

23500

ZGOOC

CD4

7

4100

O000V

CC1

02500

KEOOC

CD1

07100

0001V

CD3

37100

0001V

CD1

06100

0000V

CC1

01500

KDOOC

CD4

7

4100

0000V

CD4

76100

0001V

CD1

0863A

0001V

CD4

77160

0001V

CC3

31500

KEOOC

CC2

21500

KDOOC

CM3

3

2500

KOOSV

CC1

00500

KDOOC

CP1

82101

JOOOV

CM2

23500

KOOSV

CM6

8

2500

KOOSV

CM2

23500

KOOSV

CD1

07100

0001V

CD1

05100

0000V

CC4

7

1500

KEOOC

CD1

06100

0000V

CD4

74100

0000V

CD1

05100

0000V

560

pF

0.012

uF

10

uF

0.47

uF

2.2

uF

0.022

uF

0.47

uF

0.001

uF

100

uF

330

uF

10

uF

100

pF

0.47

uF

47

wF

1000

uF

470

pF

330

pF

220

pF

0.0033

uF

10

pF

0.1

uF

0.022

uF

0.0015

pF

4.7

pF

47

we

560

pF

220

pF

100

pF

47

pF

0.0012

pF

390

pF

0.018

uF

0.0012

uF

10

uF

33

uF

2.2

pF

390

pF

100

pF

100

uF

560

pF

0.012

pF

10

pF

0.47

pF

22h

0.022

uF

0.47

uF

0.001

uF

100

uF

330

uF

10

uF

100

pF

0.47

uF

47

pF

1000

uF

470

uF

330

pF

220

pF

0.0033

pF

10

pF

Ceramic

Mylar

Electrolytic

Ceramic

Electrolytic

Ceramic

Electrolytic

Ceramic

Electrolytic

Ceramic

My

lar

Ceramic

Aluminum

Ceramic

Electrolytic

Ceramic

Electrolytic

Ceramic

Mylar

Ceramic

Electrolytic

Ceramic

Electrolytic

Ceramic

Mylar

Electrolytic

Ceramic

Electrolytic

Ceramic

Electrolytic

Ceramic

Electrolytic

Ceramic

Mylar

Ceramic

Polypropylene

0.0018

uF

0.022

pF

0.0068

uF

0.022

uF

100

nF

Mylar

Electrolytic

1

wer

Ceramic

470

pF

Electrolytic

10

uF

Electrolytic

0.47

uF

Electrolytic

1

uF

+10%

410%

+10%

+20%

+80,

—20%

410%

+10%

+80,

-20%

+10%

mee

em

SB

em

SB

Se eS

em

Se

Ss

SS

oe

oo

os

oo

eo

See

woes

ow

ao

a

|

CC4

7

1500

KEOOC

CA1

0

4100

MOOOV

CD4

7

6100

0001V

CD1

06160

0000V

CD3

3

7160

OGOO0V

205

5

9040

44210

205

5

9040

44210

202

5

9110

18810

202

5

9110

18810

205

5

9040

44210

205

5

9040

44210

205

5

9040

44210

205

5

9040

44210

202

59110

18810

202

5

9110

18810

205

5

9040

44210

205

5

9040

44210

202

5

9110

18810

4

2069

70071

206

5

1164

13510

4

2069

70071

206

5

1164

13510

4

2359

73470

4

2359

71780

4

2359

73470

4

2359

73470

4

2359

73540

4

2559

70031

4

2559

70031

4

2229

72973

4

2229

72973

4

2039

70430

4

2039

70430

203

5

5100

53650

203

5

5100

53650

4

2039

70430

4

2039

70430

203

5

5100

53650

203

5

5100

53650

203

5

6940

54550

203

5

5100

69362

4

2039

70430

203

5

5100

53650

203

5

5100

53650

RD4

7

2251

JNOOO

RD3

3

2251

JNOOO

RD1

00251

JSOOO

RD1

2

3251

JNOOO

RD5

6

3251

JNOOO

RD1

0

2251

JNOOO

RD6

8

1251

JNOOO

RD3

9

1251

JNOOO

RD6

8

2251

JNOOO

RD1

0

4251

JNOOO

RD6

8

2251

JNOOO

RD1

2

3251

JNOOO

RD1

0

3251

JNOOO

RD1

0

3251

JNOOO

RD3

3

3251

JNOOO

RD1

0

1251

JNOOO

RD4

7

2251

JNOOO

RD3

3

5251

JNOOO

RD1

0

2251

JNOOO

RD3

3

1251

JNOOO

RD4

7

2251

JNOOO

RD1

5

2251

JNOOO

RD1

0

1251

JNOOO

RD2

2

2251

JNOOO

RD4

7

A251

JNOOO

RD1

8

2251

JNOOO

470

pF

0.1

uF

47

pF

10

uF

330

pF

Ceramic

Aluminum

Electrolytic

Diode,

DS442

Diode,

DS442

Diode,

18188

Diode,

18188

Diode,

DS442

Diode,

DS442

Diode,

DS442

Diode,

DS442

Diode,

18188

Diode,

18188

Diode,

DS442

Diode,

DS442

Diode,

18188

IC,

TA7137P

IC,

LA4135

IC,

TA7137P

IC,

LA4135

+10%

+20%

Jack

1P

(Ext.

Microphone,

Right)

Jack

1P

(Ext.

Microphone,

Left)

Jack

1P

(Ext.

Speaker,

Right)

Jack

1P

(Ext.

Speaker,

Left)

External

Power

Socket

Coil

(33

mH)

Coil

(33

mH)

Potentiometer

(B-300k)

Potentiometer

(B-300k)

Transistor,

2SC1815

Transistor,

2SC

1815

Transistor,

2SC536

Transistor,

2SC536

Transistor,

2SC1815

Transistor,

2SC1815

Transistor,

2SC536

Transistor,

2SC536

Transistor,

2SD545

Transistor,

2SC693

Transistor,

2SC1815

Transistor,

2SC536

Transistor,

2SC536

Carbon

4.7k

ohm

Carbon

3.3k

ohm

Carbon

10

ohm

Carbon

12k

ohm

Carbon

56k

ohm

Carbon

1k

ohm

Carbon

680

ohm

Carbon

390

ohm

Carbon

6.8k

ohm

Carbon

100k

ohm

Carbon

6.8k

ohm

Carbon

12k

ohm

Carbon

10k

ohm

Carbon

10k

ohm

Carbon

33k

ohm

Carbon

100

ohm

Carbon

4.7k

ohm

Carbon

3.3M

ohm

Carbon

1k

ohm

Carbon

330

ohm

Carbon

4.7k

ohm

Carbon

1.5k

ohm

Carbon

100

ohm

Carbon

2.2k

ohm

Carbon

4.7

ohm

Carbon

1.8k

ohm

eb

ee

i

as

a

SS

ee

a

as

a

es

ee

a

se

a

es

ee

Ss.

eek

SS

2

PARTS

LIST

(Continued)

(aes)

|

AMPLIFIER

P.C.B.

ASSY

Part

No.

VOLUME

CONTRO

Description

L

P.C.B.

ASSY

-

RD3

9

2251

JNOOO

RD4

7

0251

JNOOO

RD2

2

2251

JSOOO

RD2

7

2251

JNOOO

RD1

23251

JNOOO

RD2

2

2251

JNOOO

RD4

7

2251

JNOOO

RD3

3

2251

JNOOO

RD1

00251

JSOOO

RD1

23251

JNOOO

RD5

6

3251

JNOOO

RD1

0

2251

JNOOO

RD6

8

1251

JNOOO

RD3

9

1251

JNOOO

RDG

8

2251

JNOOO

RD1

0

4251

JNOOO

RD6

8

2251

JNOOO

RD1

23251

JNOOO

RD1

03251

JNOOO

RO1

03251

JNOOO

RD3

3

3251

JNOOO

RD1

0

1251

JNOOO

RD4

7

2251

JNOOO

RD3

3

5251

JNOOO

RD1

02251

JNOOO

RD3

3

1251

JNOOO

RD4

7

2251

JNOOO

RO1

5

2251

JNOOO

RD1

01251

JNOOO

ROD2

22251

JNOOO

RD4

7

A251

JNOOO

RD1

8

2251

JNOOO

RD3

9

2251

JNOGO

RD4

7

0251

JNOOO

RO2

22251

JNOOO

RD2

7

2251

JNOOO

RD1

23251

JNOOO

RD2

2

2251

JNOOO

RD3

9

1251

JNOOO

RD2

2

1251

JNOOO

ROD2

2

2251

JSOOO

RD2

22251

JNOOO

RDS

6

A251

JNOOO

RD1

03251

JNOOO

RD2

7

0251

JNOOO

RD1

01251

JNOOO

RD1

03251

JNOOO

RD1

05251

JNOOO

RD1

51251

JNOOO

RD3

3

2251

JNOOO

RDS

9

4251

JNOOO

RD1

21251

JNOOO

RD3

9

2251

JNOOO

RD5

6

3251

JNOOO

RD6

8

1251

JNOOO

RDG

8

2251

JNOOO

RD8

22251

JNOOO

RD3

3

1251

JSOOO

42589

71460

42319

73470

4

2369

70740

Carbon

3.9k

ohm

47

ohm

2.2k

ohm

2.7k

ohm

72k

ohm

2.2k

ohm

4.7k

ohm

3.3k

ohm

10

ohm

12k

ohm

56k

ohm

1k

ohm

680

ohm

390

ohm

6.8k

ohm

100k

ohm

6.8k

ohm

12k

ohm

10k

ohm

10k

ohm

33k

ohm

100

ohm

4.7k

ohm

3.3M

ohm

1k

ohm

330

ohm

4.7k

ohm

1.5k

ohm

100

ohm

2.2k

ohm

4.7

ohm

1.8k

ohm

3.9k

ohm

47

ohm

2.2k

ohm

2.7k

ohm

12k

ohm

2.2k

ohm

390

ohm

220

ohm

2.2k

ohm

2,.2k

ohm

5.6

ohm

10k

ohm

27

ohm

100

ohm

10k

ohm

1.0M

ohm

150

ohm

3.3k

ohm

390k

ohm

120

ohm

3.9k

ohm

56k

ohm

680

ohm

6.8k

ohm

8.2k

ohm

330

ohm

OSC

Transformer

Slide

Switch

(Record/Play)

RT

1/4W

1/4wW

1/4W

1/4wW

1/4W

=

Ce

es

aie

hs

a

ake

Sk

te,

ae

ay

te

oa

i

oe

ge

al

tS

AL

es

Sa

ik

ley

GN

Sg

TE

ah

A

NS

RS

othe

a

Rt

a

RP4

7

2121

JHOOO

RD3

3

2251

JNOOO

RP4

7

2121

JHOOO

RD3

3

2251

JNOOO

4

2229

71841

4

2229

71840

4

2229

71842

4.7k

ohm

3.3k

ohm

4.7k

ohm

3.3k

ohm

Pretty

Carbon

Pretty

Carbon

1/8W

1/4W

1/8W

1/4W

45%

+5%

45%

Volume

Control

(Volume,

B-50k)

Volume

Control

(Tone,

A-20k)

Volume

Control

(Balance,

MN-20k)

SWITCH

P.C.B.

ASSY

4

1329

74860

141

2

4729

05000

141

2

4729

04700

CD1

07100

0001V

205

5

9040

44210

205

5

9040

44210

205

5

9040

44210

205

5

9040

44210

RD1

8

2251

JSOOO

RD1

8

2251

JSOOO

4

2319

73700

4

2319

73690

4

2319

72271

Switch

P.C.B.

Assy

Staple

5

Staple

10

Electrolytic

Diode,

DS442

Diode,

DS442

Diode,

DS442

Diode,

DS442

Carbon

1.8k

ohm

Carbon

1.8k

ohm

100

uF

10V

1/4W

Switch

Lever

(Function)

Switch

Lever

(Mode)

Switch

Lever

(Input

Select)

SOCKET

P.C.B.

ASSY

4

1329

74871

|

Socket

P.C.B.

Assy

CD10

5100

0000V

CD1

0

5100

0000V

CM8

2

2500

KOOSV

CM2

2

3500

KOOSV

CM1

0

2500

KOOSV

RD1

0

5251

JNOOO

RD1

0

5251

JNOOO

4

2359

71553

4

2319

72170

MOTOR

ASSY

4

5279

70953

4

2869

70410

CC2

2

3500

ZGOOC

CD10

7160

0000V

205

5

9060

44410

205

5

9050

44310

205

5

9040

44280

205

5

9040

44280

204

5

9000

00200

4

2539

70410

4

2539

70451

4

2539

70451

4

2229

72980

203

5

6750

544503

203

5

5000

53660

RD1

5

2251

JVO00

RD1

0

1251

JVO0O

RD1

3

1251

JVOOO

RD5

6

1251

JVO00

RD1

1

2251

JVO0O

RD6

8

1251

JVO0O

RD1

1

0251

JVO00

RD1

0

0251

JVOOO0

RD1

5

2251

JVO000

1

wr

1

pF

0.0082

uF

0.022

pF

0.001

pF

1.0M

ohm

1.0M

ohm

Electrolytic

Mylar

Carbon

10V

50V

1/4W

Din

Socket

5P

(Record

Play)

Slide

Switch

(Beat

Cancel}

Motor

Assy

Governor

P.C.B.

Assy

Ceramic

0.022

pF

Electrolytic

100

uF

Diode,

DS444

Diode,

DS443

Diode,

DS442Y

Diode,

DS442Y

Thermister,

SDT

20

Choke

Coil

(500

wH)

Choke

Coil

(3.2

wH)

Choke

Coil

(3.2

wH)

Potentiometer

(B-350)

Transistor,

2SB544

Transistor,

2SC536

Carbon

1.5k

ohm

Carbon

100

ohm

Carbon

130

ohm

Carbon

560

ohm

Carbon

1.1k

ohm

Carbon

680

ohm

Carbon

11

ohm

Carbon

10

ohm

Carbon

1.5k

ohm

4

2579

70952

|

Motor

+10%

45%

+5%

VOLUME

CONTRO

LP.C.B.

ASSY

MECHANISM

CM5

63500

KOOSV

CC1

82250

KEOOC

CM4

7

3500

KOOSV

CMS5

6

3500

KOOSV

CC1

8

2500

KEOOC

CM4

7

3500

KOOSV

Mylar

Ceramic

Mylar

Ceramic

Mylar

0.056

uF

0.0018

uF

0.047

wr

0.056

uF

0.0018

uF

0.047

uF

|

41329

74850

|

Volume

Control

P.C.B.

Assy

50V

5OV

50V

4

2229

71750

|

Volume

Control

(Mixing,

A-20k)

4

2249

70300

4

2319

71861

4

2359

74010

4

2359

74590

4

2429

71410

4

2429

70341

Fine

Tuner

Leaf

Switch

(Power)

Jack

1P

(Headphone)

Jack

Assy

(Mixing)

R/P

Head

Erase

Head

itis,

PARTS

LIST

(Continued)

TRE

[reve

[aon

MECHANISM

ME1

45119

70461

lindieatr

14103119

16900

141

03159

00600

141

03169

04200

14105219

06100

141

0

5369

01000

141

0

5369

01100

14105419

02600

141

0

5519

06201

14107319

18300

14107319

18400

141

0

7419

20200

141

07419

20300

14107419

22000

14107419

22100

141

07419

22200

141

0

7419

22300

14107419

22400

141

0

7439

05700

141

0

7439

05800

141

0

7439

06000

141

2

1619

57800

141

2

1629

04000

141

2

2419

22100

141

23119

11801

141

2

3229

25900

141

23529

10100

141

2

3679

27500

141

2

3739

05000

141

2

3769

08000

141

2

3829

06700

141

2

3829

20800

141

24179

01800

|

Nut

101

3

2502

00811

|

Screw,

Cylinder

Hd.

-M2.0x8

141

2

4219

03000

|

Screw

102

3 1302

60811/|

Screw,

Pan

Hd.

Tapping-1

+M2.6x8

141

2

4219

09000

|

Screw

102

3 1302

61011

Screw,

Pan

Hd.

Tapping-1

+M2.6x10

141

2

4219

11400

|

Screw

1103

1102

00023

|

Small

Round

Washer

141

2

4219

14000

|

Screw

1103

1202

60023

|

Finished

Washer

141

2

4419

12000

|

Cushion

112

3

1301

50082]

E

Ring

1

141

2

4459

15900

141

2

4469

00500

141

2

4469

28300

141

2

4469

29100

141

2

4539

06900

141

2

4539

08000

141

2

4539

09300

141

2

4539

09400

141

2

4579

03200

141

2

4619

00901

141

2

4729

00200

141

2

4729

04000

141

24729

06000

141

25119

04500

141

2

5389

02700

141

2

5519

03300

141

25519

23300

141

25519

31500

141

2

5649

08500

141

2

5649

10800

141

25649

13600

141

25719

07700

141

25719

07800

141

25719

09000

141

25729

14100

141

27149

02700

141

27419

16500

141

27419

52300

141

27419

55800

141

27419

57900

141

2

7419

58000

141

2

7439

14200

Chassis

Assy

Eject

Lever

Bracket

Assy

Pause

Bracket

Assy

Flywheel

Assy

Supply

Reel

Plate

Complete

Reel

Plate

Complete

Pinch

Roller

Assy

Take-up

Idler

Assy

Slide

Pause

Plate

Assy

Slide

Base

Assy

Lock

Plate

Assy

Crank

Select

Assy

Record

Lever

Assy

Stop

Lever

Assy

Play

Lever

Assy

Rewind

Lever

Assy

F.F.

Lever

Assy

Record

Lock

Lever

Assy

Take-up

Arm

Pulley

Assy

Sensor

Lever

Assy

Pause

Button

Switch

Knob

Switch

Screen

Radio

Chassis

Shield

Volume

Plate

Spacer,

Pause

Plate

Headphone

Bracket

Meter

Bracket

Spacer,

Head

Terminal

Battery

Anode

Spring,

Battery

Motor

Cushion

Flywheel

Thrust

Meter

Cushion

Switch

Screen

Cushion

Washer

Lug

Brake

Tube

Lug

Pointer

Drum

Dial

Roller

A

F.F.

Gear

Drive

{dler

Counter

Belt

Take-up

Belt

Drive

Belt

Spacer

Capstan

Metal

Brake

Plate

Push Push

Latch

Plate

Shut-off

Lever

Eject

Plate

Pause

Lever

Select

Lever

Review

Lever

Boo

e

senna

ynNom

oe

sea

ape

woes

ea

Wao

NSO

ONABP

HRB

So

Sows

BB

WWB

BSB

Bosse

own

isin

isis

{j=

NOTES:

1.

141

2

8119

04900

141

2

8219

17800

141

2

8219

25800

141

2

8259

04700

141

2

8259

05900

141

2

8419

09600

141

2

8459

02900

141

2

8519

05400

141

2

8519

06700

141

2

8519

12200

141

2

8519

33000

141

2

8519

35400

141

2

8519

47400

141

2

8519

49800

141

2

8519

50701

141

2

8519

57300

141

2

8519

63600

141

2

8519

69100

141

2

8519

70300

141

2

8519

71500

141

2

8519

74700

141

2

8519

75700

141

2

8519

77000

141

2

8519

77300

141

2

8519

77500

141

2

8539

32800

RD1

5

1251

JMOOO

RD1

5

1251

JMOOO

101

3

1302

00311

101

3

1302

00411

101

3 1302

00611

101

3

1302

60411

112

3

1302

00082

131

3

1302

60511

143

3

1303

03018

101

3

1302

60811

Counter

Spacer,

Pinch

Roller

String

Bracket

Dial

Roller

Dial

Roller

Actuating

Record

Lever

Flywheel

Support

Spring,

Actuator

Record

Spring,

Cassette

Case

Lever

B

Spring,

Motor

Lock

Spring,

Index

Lock

Lever

Spring,

Record

Lock

Lever

Spring,

Head

Spring,

F.F.

Lever

Spring,

Play

Lever

Spring,

Stop

Lever

Spring,

Brake

Spring,

Shut-off

Spring,

Pause

Plate

Spring,

Slide

Base

Spring,

Brake

Spring,

Pinch

Roller

Spring,

Lock

Plate

Spring,

Actuating

Record

Spring,

Pause

Latch

Spring,

Cassette

Carbon

150

ohm

1/4W

+5%

Carbon

150

ohm

1/4W

+5%

Screw,

Pan

Hd.

+M2.0x3

Screw,

Pan

Hd.

+M2.0x4

Screw,

Pan

Hd.

+M2.0x6

Screw,

Pan

Hd.

+M2.6x4

E

Ring

Screw,

Pan Hd.

C

SW

Screw,

Pan

Hd.

Tapping-B

Screw,

Pan Hd.

Parts

order

must

contain

Model

Number,

Part

Number

and

Description.

2.

Ordering

quantity

of

screws

and

resistors

must

be

multiple

of

10

pcs.

ROENS

SSO

(0

ose

Oa

fe

Ss

ee pe

a

eR

es

a

is

ee

es

EXPLODED

VIEW

141

0

1249

15000

Lid

Cassette

Assy

141

0

1119

64201

Cabinet

Top

Compl.

(Cabinet)

+PMS

2.6x8

Pa

>

S

-

NN

4

1539

70551

y

4.1539

70551

Ys

os

A

|

Vy

SOS

<~

141

2

1639

30600

S\

141

2.2449

30200

g

Knob

Volume

Se

oa

Sheet

RY

/

141

21149

19300

SS

Screen

Speaker

.

mS

a

N89

Q

&

~

[)

%

141

2

2449

30200

de

Sheet

141

2

1149

19300

5

as

leas

141

2

1639

30700

jpeaker

qD

Knob

Mic

Volume

Screen

Speaker

202

5

7900

02420

£2

SLP.248

141

2

3729

00800

|,

gy

Brkt

Fix

Speaker

2\_

4202971090

|

ae

|

ras

Indicator

L.E.D.

P.C.B.

Assy

=

4

1539

70557

141

2

2719

11900

E

4

Z

:

j

Cover

Handle

Left

me

3)

+PTS-1

2.6x8

Microphone

$

#PTS-13x8

NS

o—~\

ye

VPS

DERE

141

27319

35500

141.0

1719

08100

r

can

(|

Arm

Handle

Assy

S

14124539

05400

4

1519

70790

1412851978900

=

Washer

Speaker

141

2

7519

42400

Spring

Gum

Shaft

Shoulder

Strap

T

p

141

2.3729

00800

5

14403519

08600

Brkt

Fix

Speaker

+PTS-1

3x8

P)

Gear

Eject

Assy

|

©

14121719

19701

Handle

141

22719

12000

ee

ie

hy

Cover

Handle

Right

2)

4+PTS-1

3x8

1

vems

2.6x6

E2

gs

:

141

2

2719

12500

Reinforce

Handle

|

141

2

1639

33600

1410

1719

08100

Arm

Handle

Assy

Knob

Tuning

141

2

7519

42400

Shaft

Shoulder

Strap

14101119

64301

|

141

0

1339

08100

Cabinet

Bottom

Assy

Lid

Battery

Assy

4

2449

70250

Rod

Antenna

141

2

1649

12900

Knob

Band

Select

+PMS

2.6x6

CCQ

wy,

141

24729

03001

Lug

+PTS-B

3x30

+PTS-B

3x30

4

2449

70250

Rod

Antenna

141

2

4219

09800

Screw

=4g=

EXPLODED

VIEW

(continued)

(Radio

Chassis)

4+PTS-1

2.6x10

141

2

8519

06700

ob

Spg

Cst

Case

Lever

B

>»

Zt

,

FP”

F412

4419

12000

Cushion

CS

4

14125119

04500

xv

Pointer

1412538902700

©

Y

Drum

S

4

2249

70300

Fine

Tuner

14124219

14000

Screw

141

2

5519

03300

Roller

Dial

A

141

28219

25800

Sp

Bracket

String

141

24219

14000

J

Screw

S

so

po

Y

141

25519

03300

2

Roller

Dial

A

SS

A

141

24219

14000

-

Screw

Yy

141

23229

25900

Shield

Plate

Volume

®&

141

2

8259

05900

|

Roller

Dial

5

Sy

:

141

25519

03300

(

S

i

141

2

3829

06700

'

Rae

YS

®

Terminal

Bat

Anode

>

:

oF

141

2

8259

04700

s

14124219

oso

|

wr"

Roller

Dial

141

2

4219

14000 Screw

Screw

we

141

2

4579

03200

Lug

141

2

1629

04000

Knob

Switch

141

22419

22100

Screen

Switch

+PTS-1

2.6x8

—

+PTS-1

2.6x8

1

2

4729

00200

+PTS-1

2.6x8

Soy

i

+PTS-1

2.6x8

141

2

3679

27500

Bracket

Headphone

4.5279

70953

BY

Assy

J

ee

+PMS

2.6x8

4

2359

74010

1P

Jack

+PTS-1

2.6x8

4

1329

74871

4

1329

74850

Socket

P.C.B.

Assy

Volume

Cont.

P.C.B.

Assy

4

2229

71750

Control

Volume

14123119

11807

Chassis

Radio

4

1329

74860

Switch

P.C.B.

Assy

|

q

(a

On

141

2

3829

20800

Spg

Battery

141

2

4469

29100

Cushion

Screen

SW

4

2359

74590

Jack

Assy

=(9=

EXPLODED

VIEW

(continued)

(Chassis

Top)

141

2

4219

03000

ye:

Screw

ao

25719

07800

Spacer

141

2

7419

58000

Lever

Select

po

141

2

8519

69100

oy

~~

Spring

Shut-off

+PMS

2x4

/

141

2

8539

32800

Spring

Cassette

4

2429

70341

Erase

Head

-CMS

2x8

a’

a

+PMS

2x4

141

2

4729

04000

Lug

a

AUG

#4

141

2

3769

08000

+PMS

2x4

SQ

Spacer

Head

2

NB

spree

SRW

4

:

ea

14128119

04900

>

|

‘ounter

g

141

2

4219

03000

_#

fo

Seren

141

28519

47400

=

Spring

Head

oe

141

25719

09000

Spacer

141

2

5649

08500

|

Belt

Counter

141

2

4219

03000

45119

70461

-—

Screw

Indicator

=

141

2571907700

Spacer

141

2

4469

28300

:

Cushion

Meter

al

24219

eee

141

0

7439

06000

Screw

:

I

141

28519

75700

E

ever

Sensor

Assy

sy

Spring

Pinch

Roller

|

E15

~A

1

141

2

4729

06000

Lug

141

0

7419

20300

Crank

Select

Assy

141

2

3739

05000

Bracket

Me

14107319

1841

Pe

141

28219

17800

‘ack

et

Meter

base

Sie

ne

00

So

:

Spacer

Pinch

Roller

141

05419

02600

Pinch

Roller

Assy

OY

eae!

2

8519

71500

SP

Spring

Base

Slide

=

1

eee

141

28519

35400

+PMS

2x3

2

T

Spg

Lever

Lock

Rec

14103119

16900

Chassis

Assy

+PMS

2x3

=

141

0

3169

04200

141

03159

00600

Bracket

Pause

Assy

Bracket

Ley

Ejt

Assy

|

1410

7319

18300

Slide

P!

Pause

Assy

141

2

3529

10100

of

Spacer

Plate

Pause

yt

+PMS

2.6x4

141

28519

05400

Spg

Actuator

Record

|

QoS

141

0

5369

01000

;

i

+PMS

C

SW

2.6x5

141

2

8519

77500

aaah

en

ap

ae

Spring

Latch

Pause

of

27419

16500

eC

Fe

Plate

Psh

Latch

141

05369

01100

141

2

1619

57800

FW

2.60

Reel

Plate

Compl

Button

Pause

Sanyo M7700L User manual

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