8-2
FL12.0ATR
No
AMP+13V is not output.
FLOW CHART NO.6
Is approxi13V voltage supplied to the cathode
of D653?
Yes
Check D653, D654, C654, C655 and their periphery
circuit, and service it if defective.
Check for short-circuiting or leak on the load circuit,
and service it if defective.
Check for short-circuiting or leak on the load circuit,
and service it if defective.
P-ON+21V is not output.
FLOW CHART NO.5
Is approxi21V voltage supplied to the cathode
of D650?
No
Yes
Check D650, C651, C652 and their periphery circuit,
and service it if defective.
AL+3.3V is not output.
FLOW CHART NO.7
Is approxi21V voltage supplied to the
collector of Q656?
Is approxi4V voltage supplied to the base of
Q656?
No
Yes
Yes
Check D650, C651, C652 and their periphery circuit,
and service it if defective.
Check D662 and their periphery circuit, and service it
if defective.
No
Replace Q656.
