8-2
FL13.12ATR
No
AMP+13V is not output.
FLOW CHART NO.6
Is approxi12V voltage supplied to the cathode
of D653(D655)?
Yes
Check D653, D654, D655, C654, C655 and their
periphery circuit. Repair it if defective.
Check if there is any leak or short-circuit on the load
circuit. Repair it if defective.
Check if there is any leak or short-circuit on the load
circuit. Repair it if defective.
P-ON+21V is not output.
FLOW CHART NO.5
Is approxi21V voltage supplied to the cathode
of D650(D651, D659)?
No
Yes
Check D650, D651, D652, D659, C651, C652,
C653, C667, C668 and their periphery circuit.
Repair it if defective.
FLOW CHART NO.7
AL+3.3V is not output.
Replace IC651.
No
Yes
Yes
No
Check D653, D654, D655, C654, C655, R676, R678,
R679, R683, R684, R688, R689 and their periphery
circuit. Repair it if defective.
Is approxi11V voltage supplied to the emitter
of Q657 and Pin(3) of IC651?
Is approxi3.3V voltage supplied to the collector
of Q657?
Replace Q657.
