Denon DVD-1930CI Service Manual page 17

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FLOW CHART NO.6
P-ON+10V (EV+10V) is not outputted.
Is 10V 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+10V 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 R1066 or R1067.
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L 13942296513
FLOW CHART NO.9
EV+5V is not outputted.
Is EV+10V 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(3) of IC1002?
Replace IC1002.
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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.
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No
Refer to "FLOW CHART NO.6"
<P-ON+10V (EV+10V) is not outputted.>
No
Check D1047, R1069, R1098 and the periphery
circuit, and service it if defective.
No
Check D1006, C1014, L1008 and the periphery
circuit, and service it if defective.
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DVD-1930CI / DVD-757
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