1-11-3
E9656TS
P-ON+11V is not outputted.
FLOW CHART NO.10
Is 12V voltage supplied to the emitter of Q102?
No
Ye s
Check Q102, C055 and their periphery,
and service it if defective.
Check D012, D014, D017, C012 and their
periphery, and service it if defective.
FLOW CHART NO.7
P-ON+5V is not outputted. (P-ON+9V is outputted normally.)
Is 5V voltage supplied to the collector of Q056?
Is 12V voltage supplied to the collector of Q057?
Replace Q056 or Q057.
No
No
Ye s
Ye s
Is the "H" pulse inputted into the base of Q056?
Is the "H" pulse inputted into the base of Q057?
Check D015, D016, L013, C017, C021, and their
periphery, and service it if defective.
Check D012, D014, D017, C012, and their
periphery, and service it if defective.
No
No
Check R057 and their periphery, and
service it if defective.
Check R065 and their periphery, and
service it if defective.
FLOW CHART NO.6
P-ON+9V is not outputted.
Is 12V voltage supplied to the collector of Q055?
Replace Q055.
No
No
Ye s
Ye s
Is 10V voltage supplied to the base of Q055?
Check D012, D014, D017, C012, and their
periphery, and service it if defective.
FLOW CHART NO.8
EV+33V is not outputted.
Is the supply voltage 44V fed the cathode of D013?
No
Ye s
Check D701, R702, and service it if defective.
Check D013, C013 and their periphery, and
service it if defective.
FLOW CHART NO.9
AL+18V is not outputted.
Is the supply voltage 44V fed the cathode of D013?
No
Ye s
Check D083, R092, R095, and service it if defective.
Check D013, C013 and their periphery, and
service it if defective.
Is the "L" pulse inputted to the base of Q052?
Replace IC501.
Check Q052, D052 and their
periphery, and service it if defective.
Ye s
No
To Next Page
Loading...
