Service manual

122
8258I N/B Maintenance
8258I N/B Maintenance
8.6 ODD Test Error-1
An error message is shown when reading data from ODD.
ODD
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
Test
OK?
Replace the faulty parts.
1. Try another known good compact disk.
2. Check install for correctly.
Check the ODD for proper
installation.
No
Re - Test
OK?
Yes
Board-level
Troubleshooting
End
Replace
Motherboard
Parts: Signals:
U515
U518
J506
EL18
L31
Q513
Q514
D7
D8
R119~124
R617~618
R153~514
+5VS
+3VS
ODD_LED#
IDE_RST#
SD_DD[0..15]
SDCS[1,3]#
SDA[0..2]
SDDACK
SDIOR#
SDIOW#
SDDREQ
RSTDRV#
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