Philips DVP3355V/F7 Service Manual page 23

FLOW CHART NO.11
EV+3.3V is not outputted.
Is approximately +4V voltage supplied to Pin(4) of
IC1004?
Replace IC1004.
FLOW CHART NO.12
DVD-P-ON+3.3V is not outputted. (DVD-P-ON+12V is outputted normally.)
Is approximately +3.3V voltage supplied to the
collector of Q1011?
Is the "H" pulse (approximately 4V) inputted to the
base of Q1011?
Replace Q1011.
FLOW CHART NO.13
DVD-P-ON+5V is not outputted. (DVD-P-ON+12V is outputted normally.)
Is approximately +5V voltage supplied to the
collector of Q1004?
Is the "H" pulse inputted to the base of Q1004?
Replace Q1004.
FLOW CHART NO.14
EV+1.2V is not outputted.
Is approximately +2.8V voltage supplied to Pin(4)
of IC1002?
Replace IC1002.
Yes
Yes
Yes
Yes
Yes
Yes
No
Check D1008, C1007 and their periphery, and
service it if defective.
No
See FLOW CHART NO.11 <EV+3.3V is not outputted.>
No
Check R1077 and their periphery, and service it if
defective.
No
Check D016, D035, L009, C020, C021 and their
periphery, and service it if defective.
No
Check R1068 and their periphery, and service it if
defective.
No
Check D1020,C1014,L1020, C1015, and their
periphery, and service it if defective.
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