Philips 42MD459B/F7 Service Manual page 42

( Jack Power CBA )
FLOW CHART NO.14
When the output voltage fluctuates.
FLOW CHART NO.15
When buzz sound can be heard in the vicinity of power circuit.
FLOW CHART NO.16
TUNER+31V is not output.
FLOW CHART NO.17
P-ON+8.2V is not output.
Yes
Yes
Yes
No
Yes
No
Check D616, D637, IC601 and their periphery
circuit, and service it if defective.
No
Check C617, D618, D619 and their periphery
circuit, and service it if defective.
No
9-4 FL9.5TR