Sony WM-11D User manual

®

WM-11D

US

Model

©

WM-23

_

AEP

Model

~

E

Model

STEED

GRAEBETIE

PLA

PHOTO:

US

model

;

SPECIFICATIONS

|

_

PARTS

IDENTIFICATION

@

<4

FF

(fast

forward)

button

@

me

REW

(rewind)

button

©

<4

PLAY

(playback)

button

@

STOP/EJECT

button

@

Battery

indicator

@

TAPE

selector

@

PHONES

(headphones)

jack

©

VOL

(volume)

contro!

@

DC

IN

3V

(external

power

input)

jack

Tape

track:

4-track

2-channel

stereo

Fast

winding

time:

Approx.

2

min.

with

Sony

cassette

CHF-60

Frequency

response

40-15,000

Hz

(with

the

TAPE

selector

set

to

METAL/CrO,)

40-

15,000

Hz

(with

the

TAPE

selector

set

to

NORM)

aa

y.@

aeeotleccompariment:@

battery

compariment

Power

output

eae

.

20

mW

+

20

mW

(at

10%

harmonic

distortion)

at

dc

operation

Power

requirements:

3

V

dc

two

size

AA

batteries

(IEC

designation

R6)

External

batteries

(used

in

the

optional

EBP-500

battery

case):

two

size

D

batteries,

(IEC

designation

R

20)

DC

IN

3

V

jack

accepts:

1 ;

optional

Sony

AC-39

ac

power

adaptor

for

use

on

120

V

ac,

60

Hz,

optional

Sony

DCC-70

car

battery

cord

for

use

on

12

V

car

battery

Battery

life

(continuous

playback

hours):

Approx.

3

hours

with

Eveready

No.

1215

Heavy

Duty

batteries

Approx.

5

hours

with

Eveready

No.

E91

Alkaline

batteries

For

maximum

performance

we

recommend

the

use

of

alkaline

batteries.

|

:

Dimensions:

Approx.

132

x

84.7

x

31.4

mm

(wihid)

-

|

(54,

x

3%,

x

14,

inches)

not

incl.

projecting

parts

and

controls

Weight:

Approx.

230

g

(8.2

0z)

not

inci.

batteries

and

other

accessories

Approx.

270

g

(9.6

02}

incl.

batteries,

not

incl.

other

accessories

Tape

Transport

Mechanism

Type

MT-WM23-06

STEREO

CASSETTE-PLAYER

ot

SONY,

1

TC

SERVICING

NOTE

—

Repairing

printed

resistor

P

gP

rs

printed

resistor

Cut

both

sides

of

the

resistor

and

solder

the

carbon

resistor

having

same

value

in

place

of

printed

one

on

the

conductor

side.

A

AN

A

a

AN

a

A

RN

A

AR

A

a

:

Replacing

chip

components

|

-._.

(3)

Smoothing

the

soldered

surface

|

All

chip

components

should

be

connected

and

disconnect-.

ts

After

disconnecting

the

chip

component,

remove

the

ed,

using

a

laperee

soldering

iron

[temperature

of

the

iron.

solder

by

using

a

braided

wire

to

smooth

the

land

tip:

less

than

280°

C

(536°

F)],

a

pair

of

tweezers

and

braid-

_*

surface.

|

ed

wire.

|

“ee

ot

2

Connecting

chip

components

Precautions

for

replacement

|

.

.°

ee

The

value

of

chip

components

is

not

displayed

on

fhe

main

body.

Take

due

precautions

to

avoid

mixing

new

-

"chip

components

with

other

ones.

1.

Do

not

disconnect

the

chip

component

forcefully.

Otherwise,

the

pattern

may

peel

off.

2.

Never

re-use

a

disconnected

chip

component.

Dispose

of

-

qa)

Applying

solder

to

land

on

one

side

all

old

chip

components,

Apply

a

thin

layer

of

solder

to

the

land

on

one

side

3.

To

protect

the

chip

component,

heating

time

for

attach-

ss

where

the

chip

component

is

to

be

connected.

Too

ing

the

component

should

be

within

3seconds.

=

=———_—

much

solder

may

cause

bridging.

©

Removing

chip

components

oo

f2%,

*

Small

quantity

of

solder

(1)

Removing

solder

at

electrode

| |

ee

Remove

the

solder

at

the

electrode,

using

athin

=—>

i

a

.

braided

wire.

Do

not

remove

the

solder

of

the

part

(chip

component)

attached

adjacent

to

the

electrode.

(2)

Speedy

soldering

Hold

the

chip

component

at

the

desired

position,

using

tweezers,

and

apply

the

soldering

iron

in

the

_

arrow-marked

direction.

To

protect

the

chip

compo-

nent,

heating

time

should

be

within

3

seconds.

Soldering

iron

Soldering

iron

(2)

Disconnecting

chip

components

mie

|

UN

nS

pene

Turn

the

tweezers

with

the

soldering

iron

ditetaately

os

|

ae

re

applied

to

both

electrodes,

and

the

chip

component

(3)

Speedy

soldering

of

electrode

on

the

other

side

will

be

disconnected.

Take

careful

precautions

while

Solder

the

electrode

on

the

other

side

in

the

same

disconnecting,

because

if

the

chip

component

is

force-

way

as

in

(2)

above.

|

fully

removed

the

land

may

peel

off.

Never

re-use

a

disconnected

chip

component.

Tweezers

—

——

WM-11D/23

SECTION

1

DISASSEMBLY

REAR

CABINET

REMOVAL

@

screw

1.7x

8

rear

cabinet

@

Remove

the

battery

lid.

@

screw

+B

2x18

#B2x

18

[

((—k

U

Q

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

in

the

Pull

the

cassette

shaft

direction

of

the

arrow.

in

the

direction

of

the

arrow.

cassette

shaft

MECHANISM

BLOCK

REMOVAL

AUDIO

BOARD

REMOVAL

Le

Bees

tf

ae

Poe”

S

wea

ee

.

5

2.

ee

we

ath

PWNS

aha

wee

3°

Soe

Bota.

2s

ae

SECTION

2

7

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

7

SPEED

CONTROL

knob

:

center

click

Procedure:

|

Procedure:

Clean

the

following

parts

with

a

denatured-

|

1.

Mode:

playback

alcohol-moistened

swab:

Torque

Measurement

Mode:

playback

|

speed

checker

LFM-30

rubber

belts

>)

ae

VTVM

digital

frequency

‘

ef

gecm

z

6.3

kHz,

-10dB

test

tape

.

counter

ren

aoe

0.3-0.72oz~inen)

|

SON

|

WS-48A

|

Demagnetize

the

playback

head

with

a

head

Fast

Forward

50

—75g°cm

(3

kHz,

OdB)

CQ-201B

demagnetizer.

|

and

Rewind

(0.69

—

1.0

ozeinch)

,

|

1.5

—4.5

g¢cm

re

not

use

a

magnetized

screwdriver

for

the

ae

ener

CQ-102B

en

SEAMS

adjustments.

,

|

HEADPHONES

After

the

adjustments,

apply

suitable

locking

|

:

iis

i

2.

Turn

the

adjustment

screw

for

the

maximum

compound

to

the

parts

adjusted.

Tape

Tension

Measurement

|

J

|

output

levels.

If

these

levels

do

not

match,

turn

The

adjustments

should

be

performed

with

the

|

Meter

|

Meter

Reading

the

adjustment

screw

where

both

of

output

rated

power

supply

voltage

unless

otherwise

CQ-403

More

than

110g

(3.88

0z)

noted.

Specification:

levels

match

together

within

1

dB.

Speed

checker

Digital

frequency

counter

—

L-CH

Frequency

difference

between

the

beginning

peak

and

the

end

of

the

tape

should

be

within

1%

Head

Height

Adjustment

(30

Hz).

1.

Prepare

an

adjustment

cassette

as

shown

below.

Rees

Location:

R-CH

Screw

peak

RV601

position

adjustable

resistor

L-CH

R-CH

|

peak

>

3.

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

2.

In

record

mode

and

viewing

from

the

front,

adjust

the

head

heights

to

eliminate

tape

curl

and

tape

twist

at

arrowed

portions.

HEADPHONES

Adjustment

Location:

|

Screen

pattern

in

phase

45°

90°

135°

180°

—__—_y————_

7

good

wrong

Sees

heey

4.

After

the

adjustment,

lock

the

screws

with

Head

Azimuth

adjustment

screw

Shim,

head

height

adjustment

locking

compound.

a

a:

_

«

WM-11D/23.

WM-11D/23

SECTION

3

DIAGRAMS

1

ee:

3

4

2)

6

7

__

8

|

)

__10

1

12

13

14

15

3-1.

MOUNTING

DIAGRAM

|

@

Semiconductor

Lead

Layouts

[AUD

BOARD)

BA3304F

BA5208AF

(CHASSIS)

me

p

HP9OI

1

8

Ut

PB

HEAD

—

LA5523

WHT

RED

=

:

,

\_/

(GRY)

S301

[INPUT

|

PUT

|

TAPE

N

124945

|

GL-9PR22

,

METAL

Cr02

cathode

MoO!

MOTOR

J30I

|

PHONES

|

a

e

|

RED

OUTPUT

|

BLK

©

Note:

@

Color

code

of

sleeving

over

the

end

of

the

jacket.

(GROUNDED

WITH

SHIELD

SHEET)

RED

(REDNIGR

UO

|

U

:

DRY

BATTERY

:

«SIZE

“AA”

(IEC

DESIGNATION

R6)

|

2PCS.3V

!

@

O—

:

parts

extracted

from

the

component

side.

CN301

@

e—

:

parts

extracted

from

the

conductor

side.

DC

IN

3V

oo

|

©

ZZ

:

Printed

resistor

,

:

1m

;

©

ae

pe

-

signal

path

e-—

REW

:140mA

|

@-@-O

TOTAL

CURRENT

ee

(a

CH

sigiakpath

©

em=sseeem>

-

R-CH

signal

path

!

e

“2

:

B+

pattern

|

®

:

component-side

pattern.

(Printed

Jumper)

%

ae

1

_2

3

4

3-2.

SCHEMATIC

DIAGRAM

|

IC301

BA3304F

[AUD

BOARD]

eo

cee

HP9OI-|

—=

kb

PR227-3602J

PB

HEAD

L-CH

HP9OI-2

-—

{>

|

PR227-3602U

PB

HEAD

R-CH

Note:

_

@

All

capacitors

are

in

uF

unless

otherwise

noted.

pF:

wuF

S5OWV

or

less

are

not

indicated

except

for

electrolytics

and

tantalums.

.

e

All

resistors

are

in

$2

and

1/,W

or

less

unless

otherwise

specified.

e

n>

:

signal

path.

e@

fw

:

Printed

resistor

ar

:

ClO5

50V

0.047

ne

-1.25V

<<.

MWA

PAW

ay

>

RI09

+

‘

a

270

C106

x

530|-|

820p

—©

lq

«(TAPE

ee

caer

METAL

RV30I~|

we

,

VOLUME

47

a

re

C205

50V

goa

ReoB

N.25V,

aoe

PW

a

e

+

-

R209

C206

S30I-2

270

820p

<

|

lk

ME

TAL

[SV

Cr02

Reads

n

RV30I-2

620

|

[NORM]

+]

C207

VOLUME

47

C404

|

25V

0.001

Le

C601

LAS523

Baas

;

MOTOR

CONTROL

moun

ere

en

VY

$302

+

TH602

R602

,

R301

C602

180 150

POWER

a

i

|

]

3900PPM

|

Bok

fi

.

By

PO

sues

[4

R302

:

ete

030!

Y)

E

820

0.001

(5)

21Vo

{2.15V)

:

B+

bus.

@

Power

voltage

is

3

V

and

fed

with

DC

IN

3

V

jack

from

voltage

regulator.

.

Voltages

are

dc

with

respect

to

ground

in

stop

mode.

Voltage

variations

may

be

noted

due

to

normal

produc-

tion

tolerances.

no

mark:

PLAY

(

)

:

REW

<

St

FE

|

WM-11D/23

IC302

BAS208AF

POWER

AMP

CURRENT

PLAY:145mA

REW

:140mA

FF

:130mA

RV60I

|

|Ok

rie

TH6O!

pe

dk

12k

4000%

@

14

15

|

J

30!

DRY

BATTERY

w=

SIZE“AA”

(IEC

DESIGNATION

R6)

2

PCS.

3V

M9OI

.

DNR-6900A

MOTOR

SECTION

4

EXPLODED

VIEWS

AND

PARTS

LIST

WM-11D/23

NOTE:

-

The

mechanical

parts

with

no

reference

number

in

the

exploded

views

are

not

supplied.

*

Items

marked

"

*"

are

not

stocked

since

they

are

seldom

required

for

routine

service.

Some

delay

should

be

antici-

pated

when

ordering

these

items.

(1)

-

The

construction

parts

of

an

assembled

part

are

indicated

with

a

collation

number

in

the

remark

column.

No.

Part

No.

Description

1

3-318-202-01

SCREW

(1.4X3),

TAPPING

2

3-318-203-21

SCREW

(1.7X8),

TAPPING

3

3-318-204-31

SCREW

(M1.7X6),

TAPPING

4

3-318-209-01

TERMINAL

BOARD,

PLUS

5

3-318-210-01

SPRING

6

3-318-215-01

SPRING

7

3-321-022-01

LEVER,

EJECT

8

3-319-013-01

BUTTON,

PLAY

9

3-319-014-01

BUTTON,

FF

10

3-319-015-01

BUTTON,

REW

11

3-320-907-01

SCREW

(+P2X201ZZ),

TAPPING

12

3-320-901-01

SHAFT,

CASSETTE

13.

3-321-001-01

KNOB,

CONTROL

14

=3-321-002-01

SPRING

15

y¥-3321-014-1

(AEP,£;RED)...LID,

BATTERY

CASE

15

=

x¥.-.3321-014-2

(AEP,E;BLUE)..LID,

BATTERY

CASE

15)

“(Xe992

T0145.

CUS)

mores

ces

LID,

BATTERY

CASE

15

=X~3321-014-4

(AEP,E;WHITE).LID,

BATTERY

CASE

16

3-321-006-01

BUTTON,

STOP

17

=

3-321-076-01

CABINET

(FRONT)

REMARKS

No.

Part

No.

18

3-545-657-21

19

3-703-357-06

20

=.

33--

703-502-

41

21

7-623-612-01

22

7-685-106-14

23.

-9-911-863-XX

24

=

X-3321-055-1

24

=

X-3321-011-3

24

=

X-

3321-012-3

24

=

X-3321-013-3

25

=

X-3321-051-1

25

=

X-3327-303-1

25

=

X-3327-302-1

Description

BUSH

PIN,

PARALLEL

(DIA.

1.6X14)

SCREW

EYELET,

1.5X4

SCREW

+P

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

(

25

X=-3327-301-1

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

ASSY,

CASSETTE

26

=.

3-

321-041-001

27

=—3-

320-9

18-01

28

=

3-320-919-01

29

=

3-703-708-01

30

3-318-204-91

901

*A-3070-129-A

—

1

——

SCREW

+PWH

1.7X3.5

SPACER,

STRAP

SCREW

+B

2X18

STICKER,

SONY

SYMBOL

SCREW

(M1.7X4).

TAPPING

MOUNTED

PCB,

AU

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,

FF

BUTTON,

REW

BUTTON,

STOP

BUTTON,

PLAY

SPRING,

TENSION

LEVER,

CR

CHASSIS

ASSY,

HEAD

GUIDE,

TAPE

SCREW,

PRECISION

+P

1.7X2.5

SPRING,

TENSION

ARM,

DETECTION

POLY-WASHER

(DIA.1.2)

SPACER,

HEAD

SEAM

(t=0.1)

SEAM

(t=0.2)

REMARKS

No

315

316

317

318

319

320

321

322

323

324

325

326

eo

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

W

2,

SMALL

SCREW

(1.4),

SPECIAL

LUG,

2

SPRING

PINCH

LEVER

ASSY

SPRING

CUSHION,

MOTOR

COLLAR,

MOTOR

SCREW,

PRECISION

+P

1.7X4.5

BELT

WASHER

(C

WASHER

(C

)(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,

FR

367

WASHER,

STOPPER

368

WASHER

(t=0.25)

369

FLYWHEEL

ASSY

370

CLUTCH.

ASSY

371

POLY-WASHER

(DIA.1.2)

372

373

ae

1

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),

FR

GEAR

ASSY,

REW

ARM,

FF

WASHER

(t=0.5)

LEVER

ASSY,

FR

SPRING,

TENSION

SPRING,

COMPRESSION

CAP,

REEL,

T

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,

FR

SPRING,

TENSION

SPRING

PLATE,

LOCK

LEVER,

SWITCH

LEVER,

SHUT-OFF

RING,

RETAINING

E-1.2

LEVER,

STOP

SPRING,

TENSION

SPRING,

TENSION

SPRING,

TENSION

—

14—

Sony WM-11D User manual

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