1-20 (No.YA711<Rev.002>)
Check Q202, Q203, D203, P-O
N-H1 line and their
per
iphery circuit, and service it if defective.
PANEL+24.5V is not output.
FLOW CHART NO.6
Is approximately +30V voltage supplied to the collector
of Q205?
No
Ye s
See FLOW CHART No.5
Replace Q201.
Is approximately +13V voltage supplied to the
base of Q201?
Ye s
No
Check Q202, Q203, D201, D202, D210 and their
per
iphery circuit, and ser
vice it if defective.
No
PANEL+13V is not output.
FLOW CHART NO.7
Is approximately +15V voltage supplied to the
collector of Q201?
Ye s
Check C631, D631, D668 and their periphery circuit,
and service it if defective.
P-ON+7V is not output.
FLOW CHART NO.8
Is approximately +7V voltage supplied to the
cathode of D641?
Check C641, D641 and their periphery 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.
See FLOW CHAR
T No.8
P-ON+5V is not output. (PANEL+13V is outputted normally.)
FLOW CHART NO.9
Is approximately +6.8V voltage supplied to the
collector of Q635?
Is approximately +6V voltage supp
lied to the
base of Q635 and the
base of Q636?
No
Ye s
Ye s
Check D659 and their per
iphery circuit, and service
it if def
ective.
No
Replace Q635 and Q636.
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