8-3
FL11.4ATR
See FLOW CHART No.5 <P-ON+24V is not output.>
AL+5V is not output.
FLOW CHART NO.9
Is approxi24V voltage supplied to the
collector of Q636?
Is approxi5.6V voltage supplied to the
base of Q636?
No
Yes
Yes
Check D656 and their periphery circuit, and service
it if defective.
No
Replace Q636.
P-ON+3.3V is not output.
FLOW CHART NO.10
Is approxi8.5V voltage supplied to Pin(1) of
IC202?
Is approxi7.5V voltage supplied to Pin(2) of
IC202?
No
Yes
Yes
Check C639, D643 and their periphery circuit, and
service it if defective.
Check Q207, Q208 P-ON-H2 line and their periphery
circuit, and service it if defective.
No
Replace IC202.
Check C638, D642 and their periphery
circuit, and service it if defective.
Check Q210, Q211, D208, P-ON-H1 line and their
periphery circuit, and service it if defective.
Replace Q213.
Is approximately -9V voltage supplied to the base of
Q213?
Yes
No
No
LCD-6V is not output.
FLOW CHART NO.11
Is approximately -9.5V voltage supplied to the anode
of D642?
Yes