Sony wm ex 30 service manual

Page 1

WM-EX30

SERVICE MANUAL

a
mum
new .

US Model
Canadian Model
AEP Model

UK Model

E Model

mesa", nut:
WM-Exao

Power requirements

Battery lile
(Approximate hours)

Accessories supplied
Optional accessories

SPECIFICATIONS

3 v DC Batteries R6 (AA) x 2

External DC 3 V power sources

Model Name Using Similar Mechanism WM-2055

Tape Transport Mechanism Type MT-WM2051-43

Sony Alkaline AM3 (N)

11 hrs,

Sony SUM-3 (NS)

4 hrs.

Stereo headphones(1) Belt clip (1)
AC power adaptor AC-DZL

Car battery cord DCC-70

Battery case EBP~SOOB

Stereo active speakersyslem SIRS-37. SRSVS7

Your dealer may not handle some at lhe above listed accessories.
Please ask the dealer for detailed information.

Design and specifications subject to change without notice,

Flexible Circuit Board Repairing
-Keep the temperature of the soldering iron around
270C during repairing.
-Do not touch the soldering iron on the same
conductor of the circuit board (within 3 times).
-Be careful not to apply force on the conductor when

soldering or unsoldering.

Notes on Chip Component Replacement
-Never reuse a disconnected chip component.
-Notice that the minus side of a tantalum capacitor

may be damaged by heat.

CASSETTE PLAYER
SONSK.

Page 2

WM- EX30

Note :

SECTION 1

DISASSEMBLY

0 Insert the precision screw driver

-Follow the removal procedue in the numerical order given (1,4mm flat-blade) in to the slit

Cabinet (rear) assy

Mechanism and Main board

0 Remove mechanism deck main board

to the direction of arrow.

front cabinet assy and

cassette lid assy

head flexible board

at claw 0 and release the claw.

oRemove the cabinet
cabinet (rear) assy (5") assy. (Release
all claw Q to 0 in

alphabetical order.)

0

mechanism deck
amd main board

* note for installation :
Make sure to put the head flexible
board to ditch before install the
mechanism deck and main board