Sony WM-11D User manual

WM-11D

Model

WM-23

AEP

Model

STEED

GRAEBETIE

PLA

PHOTO:

model

;

SPECIFICATIONS

PARTS

IDENTIFICATION

(fast

forward)

button

REW

(rewind)

button

PLAY

(playback)

button

STOP/EJECT

button

Battery

indicator

TAPE

selector

PHONES

(headphones)

jack

VOL

(volume)

contro!

(external

power

input)

jack

Tape

track:

4-track

2-channel

stereo

Fast

winding

time:

Approx.

min.

with

Sony

cassette

CHF-60

Frequency

response

40-15,000

(with

the

TAPE

selector

set

METAL/CrO,)

40-

15,000

(with

the

TAPE

selector

set

NORM)

y.@

aeeotleccompariment:@

battery

compariment

Power

output

eae

(at

10%

harmonic

distortion)

operation

Power

requirements:

two

size

batteries

(IEC

designation

R6)

External

batteries

(used

the

optional

EBP-500

battery

case):

two

size

batteries,

(IEC

designation

20)

jack

accepts:

1 ;

optional

Sony

AC-39

power

adaptor

for

use

120

ac,

Hz,

optional

Sony

DCC-70

car

battery

cord

for

use

car

battery

Battery

life

(continuous

playback

hours):

Approx.

hours

with

Eveready

No.

1215

Heavy

Duty

batteries

Approx.

hours

with

Eveready

No.

E91

Alkaline

batteries

For

maximum

performance

recommend

the

use

alkaline

batteries.

Dimensions:

Approx.

132

84.7

31.4

(wihid)

(54,

3%,

14,

inches)

not

incl.

projecting

parts

and

controls

Weight:

Approx.

230

(8.2

0z)

not

inci.

batteries

and

other

accessories

Approx.

270

(9.6

02}

incl.

batteries,

not

incl.

other

accessories

Tape

Transport

Mechanism

Type

MT-WM23-06

STEREO

CASSETTE-PLAYER

SONY,

SERVICING

NOTE

—

Repairing

printed

resistor

printed

resistor

Cut

both

sides

the

resistor

and

solder

the

carbon

resistor

having

same

value

place

printed

one

the

conductor

side.

Replacing

chip

components

-._.

(3)

Smoothing

the

soldered

surface

All

chip

components

should

connected

and

disconnect-.

After

disconnecting

the

chip

component,

remove

the

ed,

using

laperee

soldering

iron

[temperature

the

iron.

solder

using

braided

wire

smooth

the

land

tip:

less

than

280°

(536°

F)],

pair

tweezers

and

braid-

surface.

wire.

“ee

Connecting

chip

components

Precautions

for

replacement

.°

The

value

chip

components

not

displayed

fhe

main

body.

Take

due

precautions

avoid

mixing

new

"chip

components

with

other

ones.

not

disconnect

the

chip

component

forcefully.

Otherwise,

the

pattern

may

peel

off.

Never

re-use

disconnected

chip

component.

Dispose

qa)

Applying

solder

land

one

side

all

old

chip

components,

Apply

thin

layer

solder

the

land

one

side

protect

the

chip

component,

heating

time

for

attach-

where

the

chip

component

connected.

Too

ing

the

component

should

within

3seconds.

=———_—

much

solder

may

cause

bridging.

Removing

chip

components

f2%,

Small

quantity

solder

(1)

Removing

solder

electrode

| |

Remove

the

solder

the

electrode,

using

athin

=—>

braided

wire.

not

remove

the

solder

the

part

(chip

component)

attached

adjacent

the

electrode.

(2)

Speedy

soldering

Hold

the

chip

component

the

desired

position,

using

tweezers,

and

apply

the

soldering

iron

the

arrow-marked

direction.

protect

the

chip

compo-

nent,

heating

time

should

within

seconds.

Soldering

iron

Soldering

iron

(2)

Disconnecting

chip

components

mie

pene

Turn

the

tweezers

with

the

soldering

iron

ditetaately

applied

both

electrodes,

and

the

chip

component

(3)

Speedy

soldering

electrode

the

other

side

will

disconnected.

Take

careful

precautions

while

Solder

the

electrode

the

other

side

the

same

disconnecting,

because

the

chip

component

force-

way

(2)

above.

fully

removed

the

land

may

peel

off.

Never

re-use

disconnected

chip

component.

Tweezers

—

——

WM-11D/23

SECTION

DISASSEMBLY

REAR

CABINET

REMOVAL

screw

1.7x

rear

cabinet

Remove

the

battery

lid.

screw

2x18

#B2x

[

((—k

strap

spacer

strap

spacer

WM-11D/23

CASSETTE

LID

REMOVAL

cassette

lid

Remove

the

toggle

arm

from

the

cassette

lid.

(Rear

side;

Battery

Compartment)

Slide

the

cassette

shaft

the

Pull

the

cassette

shaft

direction

the

arrow.

the

direction

the

arrow.

cassette

shaft

MECHANISM

BLOCK

REMOVAL

AUDIO

BOARD

REMOVAL

Bees

Poe”

wea

ath

PWNS

aha

wee

3°

Soe

Bota.

SECTION

ADJUSTMENTS

2-1.

MECHANICAL

ADJUSTMENTS

AND

MEASUREMENT

-WM-11D/23.

WM-11D/23_

2-2.

ELECTRICAL

ADJUSTMENTS

Playback

Head

Azimuth

Adjustment

Tape

Speed

Adjustment

PRECAUTION

power

supply

voltage

:3Vdc

SPEED

CONTROL

knob

center

click

Procedure:

Clean

the

following

parts

with

denatured-

Mode:

playback

alcohol-moistened

swab:

Torque

Measurement

Mode:

playback

speed

checker

LFM-30

rubber

belts

VTVM

digital

frequency

‘

gecm

6.3

kHz,

-10dB

test

tape

counter

ren

aoe

0.3-0.72oz~inen)

SON

WS-48A

Demagnetize

the

playback

head

with

head

Fast

Forward

—75g°cm

kHz,

OdB)

CQ-201B

demagnetizer.

and

Rewind

(0.69

—

1.0

ozeinch)

1.5

—4.5

g¢cm

not

use

magnetized

screwdriver

for

the

ener

CQ-102B

SEAMS

adjustments.

HEADPHONES

After

the

adjustments,

apply

suitable

locking

iis

Turn

the

adjustment

screw

for

the

maximum

compound

the

parts

adjusted.

Tape

Tension

Measurement

output

levels.

these

levels

not

match,

turn

The

adjustments

should

performed

with

the

Meter

Reading

the

adjustment

screw

where

both

output

rated

power

supply

voltage

unless

otherwise

CQ-403

than

110g

(3.88

0z)

noted.

Specification:

levels

match

together

within

dB.

Speed

checker

Digital

frequency

counter

—

L-CH

Frequency

difference

between

the

beginning

peak

and

the

end

the

tape

should

within

Head

Height

Adjustment

(30

Hz).

Prepare

adjustment

cassette

shown

below.

Rees

Location:

R-CH

Screw

peak

RV601

position

adjustable

resistor

L-CH

R-CH

peak

Phase

Check

Mode:

playback

C-90

test

tape

cassette

Cut

out

hatched

P-4-A063

oscilloscope

portions.

(6.3

kHz,

-10

dB)

—

L-CH

322

record

mode

and

viewing

from

the

front,

adjust

the

head

heights

eliminate

tape

curl

and

tape

twist

arrowed

portions.

HEADPHONES

Adjustment

Location:

Screen

pattern

phase

45°

90°

135°

180°

—__—_y————_

good

wrong

Sees

heey

After

the

adjustment,

lock

the

screws

with

Head

Azimuth

adjustment

screw

Shim,

head

height

adjustment

locking

compound.

WM-11D/23.

WM-11D/23

SECTION

DIAGRAMS

ee:

)

__10

3-1.

MOUNTING

DIAGRAM

Semiconductor

Lead

Layouts

[AUD

BOARD)

BA3304F

BA5208AF

(CHASSIS)

HP9OI

HEAD

—

LA5523

WHT

RED

\_/

(GRY)

S301

[INPUT

PUT

TAPE

124945

GL-9PR22

METAL

Cr02

cathode

MoO!

MOTOR

J30I

PHONES

RED

OUTPUT

BLK

Note:

Color

code

sleeving

over

the

end

the

jacket.

(GROUNDED

WITH

SHIELD

SHEET)

RED

(REDNIGR

DRY

BATTERY

«SIZE

“AA”

(IEC

DESIGNATION

R6)

2PCS.3V

O—

parts

extracted

from

the

component

side.

CN301

e—

parts

extracted

from

the

conductor

side.

Printed

resistor

;

signal

path

e-—

REW

:140mA

@-@-O

TOTAL

CURRENT

sigiakpath

em=sseeem>

R-CH

signal

path

“2

B+

pattern

component-side

pattern.

(Printed

Jumper)

3-2.

SCHEMATIC

DIAGRAM

IC301

BA3304F

[AUD

BOARD]

cee

HP9OI-|

—=

PR227-3602J

HEAD

L-CH

HP9OI-2

-—

PR227-3602U

HEAD

R-CH

Note:

All

capacitors

are

unless

otherwise

noted.

pF:

wuF

S5OWV

less

are

not

indicated

except

for

electrolytics

and

tantalums.

All

resistors

are

and

1/,W

less

unless

otherwise

specified.

signal

path.

Printed

resistor

ClO5

50V

0.047

-1.25V

<<.

MWA

PAW

RI09

‘

270

C106

530|-|

820p

—©

«(TAPE

caer

METAL

RV30I~|

VOLUME

C205

50V

goa

ReoB

N.25V,

aoe

R209

C206

S30I-2

270

820p

TAL

[SV

Cr02

Reads

RV30I-2

620

[NORM]

C207

VOLUME

C404

25V

0.001

C601

LAS523

Baas

;

MOTOR

CONTROL

moun

ere

$302

TH602

R602

R301

C602

180 150

POWER

]

3900PPM

Bok

sues

R302

ete

030!

820

0.001

(5)

21Vo

{2.15V)

B+

bus.

Power

voltage

and

fed

with

jack

from

voltage

regulator.

Voltages

are

with

respect

ground

stop

mode.

Voltage

variations

may

noted

due

normal

produc-

tion

tolerances.

mark:

PLAY

(

)

REW

WM-11D/23

IC302

BAS208AF

POWER

AMP

CURRENT

PLAY:145mA

REW

:140mA

:130mA

RV60I

|Ok

rie

TH6O!

12k

4000%

30!

DRY

BATTERY

SIZE“AA”

(IEC

DESIGNATION

R6)

PCS.

M9OI

DNR-6900A

MOTOR

SECTION

EXPLODED

VIEWS

AND

PARTS

LIST

WM-11D/23

NOTE:

The

mechanical

parts

with

reference

number

the

exploded

views

are

not

supplied.

Items

marked

are

not

stocked

since

they

are

seldom

required

for

routine

service.

Some

delay

should

antici-

pated

when

ordering

these

items.

(1)

The

construction

parts

assembled

part

are

indicated

with

collation

number

the

remark

column.

No.

Part

No.

Description

3-318-202-01

SCREW

(1.4X3),

TAPPING

3-318-203-21

SCREW

(1.7X8),

TAPPING

3-318-204-31

SCREW

(M1.7X6),

TAPPING

3-318-209-01

TERMINAL

BOARD,

PLUS

3-318-210-01

SPRING

3-318-215-01

SPRING

3-321-022-01

LEVER,

EJECT

3-319-013-01

BUTTON,

PLAY

3-319-014-01

BUTTON,

3-319-015-01

BUTTON,

REW

3-320-907-01

SCREW

(+P2X201ZZ),

TAPPING

3-320-901-01

SHAFT,

CASSETTE

13.

3-321-001-01

KNOB,

CONTROL

=3-321-002-01

SPRING

y¥-3321-014-1

(AEP,£;RED)...LID,

BATTERY

CASE

x¥.-.3321-014-2

(AEP,E;BLUE)..LID,

BATTERY

CASE

15)

“(Xe992

T0145.

CUS)

ces

LID,

BATTERY

CASE

=X~3321-014-4

(AEP,E;WHITE).LID,

BATTERY

CASE

3-321-006-01

BUTTON,

STOP

3-321-076-01

CABINET

(FRONT)

REMARKS

No.

Part

No.

3-545-657-21

3-703-357-06

33--

703-502-

7-623-612-01

7-685-106-14

23.

-9-911-863-XX

X-3321-055-1

X-3321-011-3

X-

3321-012-3

X-3321-013-3

X-3321-051-1

X-3327-303-1

X-3327-302-1

Description

BUSH

PIN,

PARALLEL

(DIA.

1.6X14)

SCREW

EYELET,

1.5X4

SCREW

2X10

TYPE2

NON-SLIT

PLATE,

BLIND

WS)

coco

soudet

CABINET

(REAR)

ASSY

(AEP

.E:RED)....CABINET

(REAR)

ASSY

(AEP

,E;BLUE)...CABINET

(REAR)

ASSY

(AEP

,E;WHITE)..CABINET

(REAR)

ASSY

(US)....LID

ASSY,

CASSETTE

(AEP

,E;RED).....

LID

ASSY,

CASSETTE

(AEP

,E;BLUE)....LID

ASSY,

CASSETTE

(

X=-3327-301-1

,(AEP,E;WHITE)...LID

ASSY,

CASSETTE

321-041-001

=—3-

320-9

18-01

3-320-919-01

3-703-708-01

3-318-204-91

901

*A-3070-129-A

—

——

SCREW

+PWH

1.7X3.5

SPACER,

STRAP

SCREW

2X18

STICKER,

SONY

SYMBOL

SCREW

(M1.7X4).

TAPPING

MOUNTED

PCB,

REMARKS

(2)

No.

Part

No.

301

3-319-014-11

302

3-319-015-11

303

3-321-006-01

304

3-319-013-11

305

3-565-927-00

306

*3-318-267-01

307

X-3318-222-1

308

3-318-287-01

309

7-627-552-07

310

3-318-238-01

311

3-318-252-01

312

3-570-615-00

313

3-318-309-01

314

3-578-138-01

—

3-578-138-11

Description

BUTTON,

REW

BUTTON,

STOP

BUTTON,

PLAY

SPRING,

TENSION

LEVER,

CHASSIS

ASSY,

HEAD

GUIDE,

TAPE

SCREW,

PRECISION

1.7X2.5

SPRING,

TENSION

ARM,

DETECTION

POLY-WASHER

(DIA.1.2)

SPACER,

HEAD

SEAM

(t=0.1)

SEAM

(t=0.2)

REMARKS

315

316

317

318

319

320

321

322

323

324

325

326

Part

No.

3-318-237-01

7-688-001-01

3-318-240-01

7-623-505-01

3-318-269-01

A-3110-010-A

3-318-275-01

3-318-254-01

*3-318-310-01

7-627-552-67

3-318-242-00

3-308-472-21

3-308-472-31

Description

REMARKS

SPRING,

COMPRESSION

SMALL

SCREW

(1.4),

SPECIAL

LUG,

SPRING

PINCH

LEVER

ASSY

SPRING

CUSHION,

MOTOR

COLLAR,

MOTOR

SCREW,

PRECISION

1.7X4.5

BELT

WASHER

)(t=0.075)

)(t=0.125)

(3)

353

354

355

356

357

358

359

360

361

WM-11D/23

Part

No.

3-827-323-11

3-318-324-01

X-3318-210-1.

X-3318-207-1

3-578-265-11

3-701-437-11

X-3318-211-1

X-3318-202-1

3-570-615-00

Description

REMARKS

No.

362

363

WASHER

(DIA.

3.1)

366

BUSHING,

IDLER

LEVER

364

LEVER

ASSY,

FWD

IDLER

365

GEAR

(A)

ASSY,

367

WASHER,

STOPPER

368

WASHER

(t=0.25)

369

FLYWHEEL

ASSY

370

CLUTCH.

ASSY

371

POLY-WASHER

(DIA.1.2)

372

373

3—

Part

No.

3-318-265-01

X-3318-204-1

3-318-288-01

3-701-437-21

X-3318-208-1

3-318-243-01

3-321-024-01

3-306-836-02

3-318-241-01

3-318-236-01

3-701-437-01

3-831-441-XX

Description

REMARKS

GEAR

(B),

GEAR

ASSY,

REW

ARM,

WASHER

(t=0.5)

LEVER

ASSY,

SPRING,

TENSION

SPRING,

COMPRESSION

CAP,

REEL,

SPRING,

COMPRESSION

WASHER,

POLY,

SLIT

WASHER

(t=0.13)

CUSHION

WM-11D/23

(4)

No.

Part

No.

401

X-3327-304-1

402

*3-318-290-01

403

3-318-246-01

404

3-318-292-04

405

3-318-277-01

406

3-318-251-01

407

3-318-291-01

408

3-318-250-01

409

3-318-276-01

410

3-321-007-01

411

3-318-300-01

412

3-318-296-01

413

7-624-101-01

414

*3-318-293-01

415

3-547-669-00

416

3-318-248-01

417

3-318-351-01

Description

REMARKS

CHASSIS

ASSY,

MECHANICAL

LEVER,

PLAY

SPRING,

TENSION

LEVER,

REW

SPRING,

REW

SPRING,

TENSION

LEVER,

SPRING,

TENSION

SPRING

PLATE,

LOCK

LEVER,

SWITCH

LEVER,

SHUT-OFF

RING,

RETAINING

E-1.2

LEVER,

STOP

SPRING,

TENSION

SPRING,

TENSION

SPRING,

TENSION

—

14—

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