FUNAI Sylvania LC260SS1 Service Manual page 23

FLOW CHART NO.6
LCD+24V is not output.
FLOW CHART NO.7
LCD+13V is not output.
FLOW CHART NO.8
P-ON+7V is not output.
FLOW CHART NO.9
P-ON+5V is not output. (LCD+13V is outputted normally.)
Replace Q641.
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
No
8-2 FL10.2TR