Denon DVD-3800BDCI Service Manual page 27

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FLOW CHART NO.6
P-ON+5V (1) is not outputted.
Is 5V voltage inputted to the emitter of Q2610?
Is the voltage of base on Q2610 lower than the
voltage of emitter on Q2610 when turning the power on?
Replace Q2610.
FLOW CHART NO.7
P-ON+5V (2) is not outputted.
Is 5V voltage inputted to the emitter of Q2606?
Is the voltage of base on Q2606 lower than the
voltage of emitter on Q2606 when turning the power on?
Replace Q2606.
FLOW CHART NO.8
P-ON+10.5V is not outputted.
Is 13.5V voltage inputted to the collector of Q2611?
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Is 11V voltage inputted to the base of Q2611?
Replace Q2611.
FLOW CHART NO.9
P-ON+1.2V is not outputted.
Is 2.5V voltage supplied to Pin(1) of IC2601?
Replace IC2601.
FLOW CHART NO.10
P-ON+3.3V is not outputted.
Is 5V voltage supplied to Pin(1) of IC2600?
ls "L" signal outputted to the collector of Q2603?
Check IC2600, D2600 and their periphery circuit,
and service it if defective.
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Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
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No
Check D1112, D1113, D1114, D1129, C1125, C1132
and their periphery, and service it if defective.
No
Check Q2607 and PWSW3 line and service it if
defective.
No
Check D1112, D1113, D1114, D1129, C1125, C1132
and their periphery, and service it if defective.
No
Check Q2607 and PWSW3 line and service it if
defective.
No
Check D1122, D1128, C1124, L1105 and
their periphery, and service it if defective.
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No
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Is 13.5V voltage inputted to the base of Q2605?
Yes
Check Q2605, D2601,
and their periphery, and
service it if defective.
No
Check D1115, C1119 and their periphery circuit,
and service it if defective.
No
Check D1112, D1113, D1114, D1129, C1125, C1132 and
their periphery circuit, and service it if defective.
No
Check Q2603 and PWSW3 line and service it if
defective.
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No
Check Q2604, and
PWSW3 line, and
service it if defective.
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