8-2
PL14.16ATR
No
AMP+13V is not output.
FLOW CHART NO.6
Is approxi13V voltage supplied to the cathode
of D653(D655)?
Yes
Check D653, D655, C654, C655, C668 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, D652, D659)?
No
Yes
Check D650, D651, D652, D659, C651, C652, C653
C657, C658 and their periphery circuit. Repair it if
defective.
AL+3.3V is not output.
FLOW CHART NO.7 [TYPE A]
Is approxi13V voltage supplied to the emitter
of Q658?
Is approxi12V voltage supplied to the base of
Q658?
No
Yes
Yes
Check D653, D655, C654, C655, C668 and their
periphery circuit. Repair it if defective.
Check D662, Q656 and their periphery circuit.
Repair it if defective.
No
Replace Q658.
