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 approximately +35.5V voltage supplied to the
collector of Q667?
No
Ye s
Replace Q650.
Is approximately +13.5V voltage supplied to the
base of Q650?
Ye s
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 approximately
+13.5V voltage supplied to the
collector of Q650?
Ye s
Check C664, D
662, D694 and their periphery circuit,
and service it if de
fective.
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 approximately +
5V voltage supplied to the
Pin(1) of IC652?
Is the "H" s
ignal (approximately +4V) inputted to the
Pin(2) of IC652?
No
Ye s
Ye s
Check C650, C659, D650,
D651 and their periphery
circuit, and service it if defective.
Check Q663, Q664, P-ON-H2 line an
d their periphery
circuit, and service it if defective.
No
Replace IC652.
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