8-2 PL14.24ATR
AL+3.3V is not output.
Replace Q705.
No
Ye s
Ye s
No
FLOW CHART NO.7
Check if there is any leak or short-circuit on the load
circuit. Repair it if defective.
AMP+13V is not output.
FLOW CHART NO.6
Is approximately +13V voltage supplied to the cathode
of D653(D655)?
No
Ye s
Check C654, C655, D653, D654, D655 and their
periphery circuit. Repair it if defective.
Check C654, C655, D653, D654, D655, R756 and
their periphery circuit. Repair it if defective.
Check Q703, D715 and their periphery circuit.
Repair it if defective.
Is approximately +13V voltage supplied to the emitter
of Q705?
Is approximately +12V voltage supplied to the base of
Q705?
Check if there is any leak or short-circuit on the load
circuit. Repair it if defective.
P-ON+21V is not output.
Is approximately +21V voltage supplied to the
cathode of D650?
No
Ye s
Check C651, C652, D650 and their periphery circuit.
Repair it if defective.
FLOW CHART NO.5
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