Service manual

8224 N/B Maintenance
8224 N/B Maintenance
131
8.9 CD-ROM Drive Test Error-1
An error message is shown when reading data from CD-ROM drive.
CD-ROM Drive
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 drive for
proper installation.
No
Re - Test
OK?
U13
J511
D27
R187
R189
L43
R312
JL2
U9
C258
C299
C300
Yes
Board-level
Troubleshooting
+5VS
+5VS_CDROM
CD_LED#
SD_D[0..15]
RSTDRV#
SDA[0..2]
SDDREQ
SDDACK#
SIORDY
SDIOW#
SDIOR#
IDEREQ
SDCS[1,3]#
End
Replace
Motherboard
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