FUNAI MAGNANOX BZV420MW8 Service Manual page 29

FLOW CHART NO.10
P-ON+5V is not outputted. (P-ON +11V is outputted normally.)
Is 5V voltage supplied to the collector of Q1101?
Check Q1101 and their periphery, and
service it if defective.
FLOW CHART NO.11
P-ON+1.8V is not outputted.
Is 4V voltage supplied to Pin(1) of IC2504?
Replace IC2504.
FLOW CHART NO.12
P-ON+3.3V is not outputted.
Is 4V voltage supplied to Pin(1) of IC2503?
Replace IC2503.
Yes
Yes
Yes
No
Check D1015, D1016, C1017, C1019, L1012 and
their periphery, and service it if defective.
No
Check C1028, C1037 and their periphery, and
service it if defective.
No
Check C1028, C1037 and their periphery, and
service it if defective.
1-11-3 E9E2ZLE