Denon DVD-910 Service Manual page 17

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FLOW CHART NO.18
[No Disc] indicated. (When the focus servo is not functioning.)
Replace the DVD Main CBA.
No improvement can be found.
Replace the DVD Mecha.
FLOW CHART NO.19
[No Disc] indicated. (When the laser beam does not light up.)
Replace the DVD Main CBA.
No improvement can be found.
Replace the DVD Mecha.
FLOW CHART NO.20
Both functions of picture and sound do not operate normally.
Replace the DVD Main CBA.
No improvement can be found.
TE
L 13942296513
Replace the DVD Mecha.
FLOW CHART NO.21
Picture does not appear normally.
Set the disc on the disc tray, and playback.
Are the video signals outputted to each pin (as shown
below) of CN1601 and CN6101 on the AV CBA?
<Interlace mode>
CN1601 7PIN S-Y
CN1601 9PIN S-C
CN1601 5PIN Cb
CN1601 3PIN Cr
<Progressive mode>
CN6101 2PIN S-Y
CN6101 4PIN Pb
CN6101 6PIN Pr
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Yes
Yes
Yes
Replace FFC cable.
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(continued to "A" on next page)
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2 9
8
No
Original DVD Main CBA is poor.
No
Original DVD Main CBA is poor.
No
Original DVD Main CBA is poor.
Q Q
3 6 7 1 3 1 5
No
Replace the DVD Main CBA or DVD Mecha.
Replace FFC cable.
No
Is FFC cable (W6101) connecting CN6101 on the
AV CBA and Progressive CBA Unit normally?
Is FFC cable (W1801) connecting CN1801 on the
Progressive CBA Unit and DVD Main CBA Unit
No
normally?
Is component video signals outputted in interlace
mode?
Yes
co
Replace Progressive
.
CBA Unit.
17
DVD-910
9 4 2 8
0 5 8 2 9 9 4 2 8
No
Yes
Yes
m
No
Replace the DVD Main
CBA Unit or DVD Mecha.
17
9 9
9 9