130
7321 N/B Maintenance
7321 N/B Maintenance
1. Try another known good compact disk.
2. Check install for correctly.
Replace the
faulty parts.
Check the CD-ROM driver for proper
installation.
Replace
Mother Board
CD-ROM
TEST ERROR
Board-level
Troubleshooting
Yes
No
Test
OK?
Yes
No
RE - TEST
OK?
END
END
One of the following parts or signals on the mother
board may be defective, use an oscilloscope to check
the signals or replace the parts one at a time and test
after each replacement.
Parts:
Signals:
U24
U512
Q40 RP51
RP43 RP53
RP54 R242
R236 R59
RP55 R234
C239 C238
J513
CDROM_SDRDY RCS1S#
RCS3S# RDDS[0:15]
RSDIOW# RSDIOR#
RSDDACK# RDAS0
RDAS2 RDAS1
RIRQ15 RSDDACK
8.9 CD-ROM Test Error
Symptom:
An error message is shown when reading data from CD-ROM drive.
Summary of Contents for MiNote 7321
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