Denon DVD-1910 Service Manual page 16

FLOW CHART NO.6
P-ON+10V (EV+11V) is not outputted.
Is 11V voltage supplied to the emitter of Q1002?
Is the voltage of base on Q1002 lower than the
voltage of emitter on Q1002 when turning the power on?
Replace Q1002.
FLOW CHART NO.7
P-ON+5V is not outputted. (EV+11V is outputted normally.)
Is the "H" signal inputted into the base of Q1004?
Replace Q1004.
FLOW CHART NO.8
P-ON+3.3V is not outputted. (P-ON+10V is outputted normally.)
Is 3.3V voltage supplied to the collector of Q1011?
Replace Q1011 or R1067.
FLOW CHART NO.9
EV+5V is not outputted.
Is EV+11V outputted normally?
Is the "H" signal inputted into the base of Q1014?
Replace Q1014.
FLOW CHART NO.10
EV+1.2V is not outputted.
Is 2.5V voltage supplied to Pin(1) of IC1002?
Replace IC1002.
FLOW CHART NO.11
EV+3.3V is not outputted.
Is 3.3V voltage supplied to the collector of Q1010?
Is EV+11V outputted normally?
Is the "H" signal inputted into the base of Q1010?
Replace Q1010.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Check D1030, D1048, C1035, C1048, L1009 and
the periphery circuit, and service it if defective.
No
Check Q1016 and PWRCON line and service it if
defective.
No
Check R1068 and D1046, and service it if defective.
No
Check D1008, C1007, C1038, L1007 and the
periphery circuit, and service it if defective.
Refer to "FLOW CHART NO.6"
No
<P-ON+10V (EV+11V) is not outputted.>
No
Check D1047, R1069, R1098 and the periphery
circuit, and service it if defective.
Check D1006, C1014, C1050, L1008 and the
No
periphery circuit, and service it if defective.
Check D1008, C1007, C1038, L1007 and the
No
periphery circuit, and service it if defective.
No
Refer to "FLOW CHART NO.6"
<P-ON+10V (EV+11V) is not outputted.>
No
Check R1088 and the periphery circuit,
and service it if defective.
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DVD-1910/755