Servicing Note - Sony MDS-JA30ES Service Manual

HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF
1 Remove the sixteen screws (BVTT 3×8) from the bottom plate.
2 Remove the bottom plate.
3 Rotate the pulley gear in the arrow direction A, and open the tray assembly in the arrow direction B.
Pully gear
B
Forced Reset
The system microprocessor can be reset in the following way.
Use these methods when the unit cannot be operated normally due to the overrunning of the microprocessor, etc.
Method 1:
Set TP (S.RST) of the DIG board to ground momentarily.
[DIG board] (Side A)
(S.RST)
SECTION 1

SERVICING NOTE

A
Tray assembly
CN203
TP
C206
IC202
Method 2:
Disconnect the power plug, and short-circuit CN905 of the PW board
with a pair of tweezers, etc.
[PW board] (Component Side)
— 4 —
CN905
(RESET)
CN901