1-16 (No.YA712<Rev.002>)
Check Q207, Q208, D205, P-ON-H1 line and their
periphery circuit, and service it if defective.
LCD+24.5V is not output.
FLOW CHART NO.6
Is approxi30V voltage supplied to the collector
of Q210?
No
Yes
See FLOW CHART No.5
Replace Q209.
Is approxi16V voltage supplied to the
base of Q209?
Yes
No
Check Q207, Q208, D203, D204, D211 and their
periphery circuit, and service it if defective.
No
LCD+16V is not output.
FLOW CHART NO.7
Is approxi19V voltage supplied to the
collector of Q209?
Yes
Replace Q501.
Is approxi16V voltage supplied to the
base of Q501?
Yes
No
Check Q207, Q208, D203, D204, D211 and their
periphery circuit, and service it if defective.
No
INV+16V is not output.
FLOW CHART NO.8
Is approxi19V voltage supplied to the
collector of Q501?
Yes
Check C631, D631, D635 and their periphery circuit,
and service it if defective.
Check C631, D631, D635 and their periphery circuit,
and service it if defective.
P-ON+7V is not output.
FLOW CHART NO.9
Is approxi7V voltage supplied to the
collector of D646?
Check C644, D646 and their periphery circuit,
and service it if defective.
Yes
No
Check if there is any leak or short-circuit on
the loaded circuit, and service it if defective.
