8-2 FL11.4ATR
Check Q210, Q211, D207, P-ON-H1 l
ine and their
periphery circuit, and ser
vice it if defective.
LCD+24.5V is not output.
FLOW CHART NO.6
Is approximately
+35V voltage supplied to the collector
of Q212?
Is approximately
+25V voltage supp
lied to the base
of Q212?
No
No
Ye s
Replace Q221.
Replace Q212.
Is approximately +
16V voltage supplied to the
base of Q221?
Ye s
Ye s
No
Check Q210, Q211, D202, D221, D222, P-ON-H1
line and their periphery circuit, and service it if defective.
No
PANEL+15.8V is not output.
FLOW CHART NO.7
Is approximately +22V voltage supplied to the
collector of Q221?
Ye s
No
AMP+24V is not output.
FLOW CHART NO.8
Is approximately +24V voltage supplied to the cathode
of D634?
Ye s
Check C631, D634 and their periphery circuit,
and service it if defective.
Check C637, D640, D645 and their per
iphery circuit,
and service it if defective.
Check C647, D660 and their periphery circuit,
and service it if defective.
Check for short-circuiting or leak on the load circuit,
and service it if def
ective.
Check for short-circuiting or leak on the load ci
rcuit,
and service it if defective.
P-ON+24V is not output.
FLOW CHART NO.5
Is approximately +24V voltage supplied to the
cathode of D637?
No
Ye s
Check C648, D637, D644, D646, D648 and their
periphery circuit, and service it if defective.
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