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How to distinguish the trouble
1. View mechanical part if visual damage occurred.
Confirm the movement of mechanical parts assembly (tray ass'y,
loading mechanism ass'y, etc.).
2. Diagnose if Optical Pickup Unit is faulty (refer to diagnosis of
Optical Pickup Unit).
3. If mechanism and OPU are OK, it is P.C.B.
Cause 1
1. Power ON/OFF switch
2. Main P.C.B.
3. Power Switch P.C.B.
Possible fault
Power switch, connector cable, AC inlet
D1002, D1011, F1001, IC1021, L1001, Q1051,
T1021
IC6001, X6001, IC6002, IC6011
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