8-2
PL22.06-A_TR
No
AMP+13V is not output.
FLOW CHART NO.6
Is approxi13V voltage supplied to the cathode
of D655?
Yes
Check D655, C652, R670 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 D651?
No
Yes
Check D651, D677, C651, C658, R663 and their
periphery circuit. Repair it if defective.