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NO POWER
(POWER INDICATOR OFF)
CHECK
FUSE OK?
YES
CHECK
D901
BRIDGE DIODE?
YES
CHECK
C907(+) VOLTAGE
155VDC at 110V input
310VDC at 220V input
YES
CHECK
D912, D928 ?
YES
TROUBLE IN
IC902
1. NO POWER
NO
NO
NO
NO
TROUBLE IN
FUSE (F901)
TROUBLE IN
BRIDGE DIODE
(D901)
TROUBLE IN
IC901
TROUBLE IN
D912, D928
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