8-2
PL11.10ATR
Check Q210, Q211, D207(A), P-ON-H1 line and
their periphery circuit, and service it if defective.
LCD+24.5V is not output.
FLOW CHART NO.6
Is approxi35V voltage supplied to the collector
of Q212?
Is approxi25V voltage supplied to the base
of Q212?
No
No
Yes
Replace Q221.
Replace Q212.
Is approxi16V voltage supplied to the
base of Q221?
Yes
Yes
No
Check Q210, Q211, D202(A), D221, D222(A), 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 approxi22V voltage supplied to the
collector of Q221?
Yes
No
AMP+24V is not output.
FLOW CHART NO.8
Is approxi24V voltage supplied to the cathode
of D634?
Yes
Check C631, D634 and their periphery circuit,
and service it if defective.
Check C637, D640, D645 and their periphery 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 defective.
Check for short-circuiting or leak on the load circuit,
and service it if defective.
P-ON+24V is not output.
FLOW CHART NO.5
Is approxi24V voltage supplied to the
cathode of D637?
No
Yes
Check C648A, D637, D644, D646, D648 and their
periphery circuit, and service it if defective.
