9
.7 CD-ROM (DVD-ROM) Drive DIAGNOSIS
Make sure that connecting cables, connectors and AC adapter are not loose or disconnected prior to testing.
No.
Result
YES CD-ROM drive
NO
Go to No.1-2
YES LED PCB
LD1007
NO
Go to No. 1-3
YES Main PCB
IC3
NO
CD-ROM FPC
YES Media
NO
Go to No. 2-2
YES CD-ROM drive
NO
Main PCB
IC3
YES CD-ROM drive
NO
Main PCB
IC3
YES Media
NO
CD-ROM drive
2-2
Replace the CD-ROM drive.
Does operation return to
normal?
4 Abnormal sound.
Replace the media.
Does operation return to
normal?
4-1
Component
1-1
Replace the CD-ROM drive.
Does operation return to
normal?
1-2
Replace the LED PCB.
Does operation return to
normal?
Troubleshooting
procedures
Source of
problem
Replace the Main PCB.
Does operation return to
normal?
Tray does not open.
3
Cannot read from
CD-ROM.
2
3-1
Replace the CD-ROM drive.
Does operation return to
normal?
1-3
2-1
Replace the media.
Does operation return to
normal?
No.
Symptom
Access lamp does not
light.
1
21
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Страница 56: ...1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H I J CF 73E3 Printed Circuit Board Main PCB Top View ...
Страница 57: ...1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H I J Main PCB Bottom View ...
Страница 58: ...1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H I J VGA PCB Top View VGA PCB Bottom View ...
Страница 59: ...Rear PCB Top View Rear PCB Bottom View 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H I J ...