8-2 A91F3TR
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 approximately +30V voltage supplied to the collector
of Q210?
No
Ye s
See FLOW CHART No.5
Replace Q209.
Is approximately +16V voltage supplied to the
base of Q209?
Ye s
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 approximately +19V voltage supplied to the
collector of Q209?
Ye s
Replace Q501.
Is approximately +16V voltage supplied to the
base of Q501?
Ye s
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 approximately +19V voltage supplied to the
collector of Q501?
Ye s
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 approximately +7V voltage supplied to the
collector o
f D646?
Check C644, D646 and their per
iphery circuit,
and service it if defective.
Ye s
No
Check if there is any leak or short-circuit on
the loaded circuit, and service it if defective.
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