Sony wm 2055 service manual

Page 1

AEP Model

UK Model
E Model

Power requlremenln

Battery llle
Acceaorles Iupplied
Opllou-I Iccmuorles

SPECIFICATIONS

a v Dc Ballenes R6 (M) x 2

External DC a v power sources

Sony Alkaline AM: (N): Approx. 11 hrs.

Slereo headphones (open-alrlype. 1) Ball clip (1)
AC power adaptor AonzL

Car battery cord Doc-7o

Banery case EBP-sooa

Model Name Using Similar Mechanism New Mechanism

Tape Transport Mechanism Type MT-WM2051»43

FLEXIBLE CIRCUIT BOARD REPAIRING

0 Keep the temperature of the soldering iron around 270°C
during repairing

0 Do not touch the soldering iron on the same conductor of
the circuit board (within 3 times).

0 Be careful not to apply force on the conductor when
soldering or unsoldering.

NOTES ON CHIP COMPONENT REPLACEMENT

0 Never reuse a disconnected chip component

~ Notice that the minus side of a tantalum capacitor may be
damaged by heat

Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
DOLBY and the double-D symbol DC] are trademarks of
Dolby Laboratories Licensing Corporation.

CASSETTE PLAYER
SONY;

Page 2

WM-2055

SECTION 1
DISASSEMBLY

- Follow the disassembly procedue in the numerical order given.

CABINET (REAR) ASSY

cassette lId assy 9 Insert the precision scrEW
3 driver (1.4mm flat-blade) in to
the slit at claw 0 and release
the claw.
rd ¢:\
battery . ~_ 7,

G) cabinet (rear) assy

0 Remove the cabinet (rear) assy.
(Release all claw to 0 in
alphabetical order.)

MECHANISM DECK AND MAIN BOARD
0

9 Remove mechanism deck and main board
to the direction of the arrow.

mechanism deck and
main board

front cabinet assy and
cassette lid assy

head flexible boa rd

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

*2-