Service manual

143
8575
8575
A N/B Maintenance
A N/B Maintenance
8.8 CD-ROM Drive Test Error
An error message is shown when reading data from CD-ROM drive.
CD-ROM Driver
Test Error
One of the following parts or signals on the motherboard may
be defective, use an oscilloscope to check the signals or replace
the parts one at a time and test after each replacement.
Yes
No
Parts: Signals:
Test
OK?
Replace the faulty parts.
1. Try another known good compact disk.
2. Check install for correctly.
Check the CD-ROM driver for proper
installation.
No
Re - Test
OK?
End
U14
J12
R215
Q19
Q18
R214
JS6
JS7
R204
RP41
RP44
RP43
Yes
Board-level
Troubleshooting
Replace
Motherboard
+5VS
+5VS_CD
-PCIRST
IDE_SIORDY
IDE_SDD[0:15]
IDE_SDA[0:2]
IDE_SDCS3#
IDE_SDCS1#
IDE_SDIOR#
IDE_SDIOW#
IDE_SDDACK#
IDE_SDDREQ
IDE_IRQ15
R208
R176
R203
R170
R207
R777