9-2
A17FYTR
Check Q665, Q666, D667, D668, D669, P-ON-H1 line
and their periphery circuit, and service it if defective.
LCD+31.5V is not output.
FLOW CHART NO.6
Is approxi35.5V voltage supplied to the
collector of Q667?
No
Yes
Replace Q650.
Is approxi13.5V voltage supplied to the
base of Q650?
Yes
No
Check Q665, Q666, D653, D654, D655, P-ON-H1 line
and their periphery circuit, and service it if defective.
No
LCD+13V is not output.
FLOW CHART NO.7
Is approxi13.5V voltage supplied to the
collector of Q650?
Yes
Check C664, D662, D694 and their periphery circuit,
and service it if defective.
Check C664, D662, D694 and their periphery circuit,
and service it if defective.
P-ON+3.3V is not output.
FLOW CHART NO.8
Is approxi5V voltage supplied to the
Pin(1) of IC652?
Is the "H" signal (approxi4V) inputted to the
Pin(2) of IC652?
No
Yes
Yes
Check C650, C659, D650, D651 and their periphery
circuit, and service it if defective.
Check Q663, Q664, P-ON-H2 line and their periphery
circuit, and service it if defective.
No
Replace IC652.
