Sony WM-DD Service Manual

SECTION 3
DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
CONTROL PANEL
CASSETTE PANEL
(Compression coil Installation)
Control panel can be removed together with
cassette panel.
screw
O precision screw
P 1.4x3.5, TYPE 1
© precision screw
P 1.4 x 2.5, TYPE 1
screw
© Depress the FF and REWbuttons.
control panel
AUDIO BOARD
HOLDER
© precision screw
P 1.4x3 5 (TYPE 3)
Turn the holder a half turn in the direction
shown by the arrow, and remove the holder
taking care to protruding parts.
(With main board removed)
Be careful not to lose.
© precision screw
P 1.4x2, TYPE 1
Mechanism
section
Main Board
Be careful
not to lose.
protruding part
protruding part
© wire holder
0 wire holder
© Raise up the circuit board
taking care not to break
the lead wires.
A precision screw
P 1.4x2, TYPE 1
holder
Pinch roller and head
can be replaced.
Mechanism section can
be checked.
SECTION 4
ADJUSTMENTS
PRECAUTION
1. Clean the following parts with a denatured-
alcohol-moistened swab:
playback head pinch roller
capstan rubber belts
2. Demagnetize the playback head with a head
demagnetizer.
3. Do not use a magnetized screwdriver for the
adjustments.
4. After the adjustments, apply suitable locking
compound to the parts adjusted.
5. The adjustments should be performed with the
rated power supply voltage unless otherwise
noted.

Sony WM-DD Specifications

General

Brand	Sony
Model	WM-DD
Category	Cassette Player
Language	English