Philips 39PFL3708/F8 - Page 24

8-2 PL13.10ATR
No
AMP+13V is not output.
FLOW CHART NO.6
Is approximately +13V voltage supplied to the cathode
of D653(D655)?
Ye s
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 approximately +21V voltage supplied to the cathode
of D650(D651, D659)?
No
Ye s
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
Ye s
Ye s
No
Check D653, D654, D655, C654, C655, R676, R678,
R679, R683, R684, R688, R689 and their periphery
circuit. Repair it if defective.
Is approximately +11V voltage supplied to the emitter
of Q657 and Pin(3) of IC651?
Is approximately +3.3V voltage supplied to the collector
of Q657?
Replace Q657.