Emerson LC320EM1 Service Manual page 25

FLOW CHART NO.10
P-ON+5V is not output. (LCD+16V is outputted normally.)
Replace Q641 or Q643.
FLOW CHART NO.11
TUNER+5V is not output. (LCD+16V is outputted normally.)
Replace Q640.
FLOW CHART NO.12
AL+13V(M+13V) is not output.
Is approximately +13V voltage supplied to the
cathode of D641 and D642?
FLOW CHART NO.13
P-ON+3V is not output.
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
8-3 FL10.3TR