Philips 40PFL3505D/F7, Руководство по обслуживанию

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8-3 PL10.5TR
FLOW CHART NO.10
P-ON+5V is not output.
FLOW CHART NO.11
Is approxi8V voltage supplied to the
collector of Q652? Check C659, D662 and their periphery circuit, and
service it if defective.
Yes
No
Replace Q652.
P-ON+3.3V is not output.
FLOW CHART NO.12
Is approxi5V voltage supplied to the
collector of Q653(Q654)?
Is approxi4V voltage supplied to the
base of Q653(Q654)?
No
Yes
Yes
Check D666 and their periphery circuit, and service
it if defective.
Check C663, D665 and their periphery circuit, and
service it if defective.
Is approxi6V voltage supplied to the
base of Q652?
No
Yes
Check D664 and their periphery circuit, and service
it if defective.
No
Replace Q653(Q654).
Check if there is any leak or short-circuit on the loaded
circuit, and service it if defective.
LCD+12V is not output.
Is approxi12V voltage supplied to the
cathode of D672?
No
Yes
Check C657, C658, D672, D673, D674 and their
periphery circuit, and service it if defective.
FLOW CHART NO.13
Check if there is any leak or short-circuit on the loaded
circuit, and service it if defective.
P-ON+3.5V is not output.
Is approxi3.5V voltage supplied to the
cathode of D670?
No
Yes
Check C670, D670 and their periphery circuit, and
service it if defective.
FLOW CHART NO.14
Check if there is any leak or short-circuit on the loaded
circuit, and service it if defective.
AMP+24V is not output.
Is approxi27V voltage supplied to the
cathode of D656?
No
Yes
Check C654, D656, D657 and their periphery circuit,
and service it if defective.