19
DVD-1930CI / DVD-757
FLOW CHART NO.17
[No Disc] indicated. (When the focus servo is not functioning.)
[No Disc] indicated. (When the laser beam does not light up.)
Replace the DVD Main CBA Unit.
No
Yes
Replace the DVD Main CBA Unit.
No
Yes
No improvement can be found.
Original DVD Main CBA Unit is poor.
Original DVD Main CBA Unit is poor.
FLOW CHART NO.16
[No Disc] indicated. (When the focus error occurs.)
Replace the DVD Main CBA Unit.
No improvement can be found.
Original DVD Main CBA Unit is poor.
Replace the DVD Mechanism.
No
Yes
Yes
FLOW CHART NO.15
The disc tray cannot be opened and closed.
Replace the DVD Main CBA Unit.
Original DVD Main CBA Unit is poor.
Replace the DVD Mechanism.
No improvement can be found.
No
Yes
FLOW CHART NO.14
The disc tray cannot be opened and closed. (It can be done using the remote control unit.)
Is the normal control voltage inputted to Pin(4) of
IC2001? Refer to "FLOW CHART NO.12" <The key
operation is not functioning.>
Refer to "FLOW CHART NO.15" <The disc tray
cannot be opened and closed.>
Replace the "OPEN/CLOSE" button (SW2108).
No
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
