138
8317
8317
N/B Maintenance
N/B Maintenance
8.10 Audio Test Error(6)
No sound from speaker after audio driver is installed.
Re-test
OK?
Test
OK?
Audio Test Error
1. Check if speaker cables are
connected properly.
2. Make sure all the drivers are
installed properly.
1.Try another known good
speaker, CD-ROM.
Board-level
Troubleshooting
Yes
Yes
Check the following parts for cold solder or one of the following parts on the
motherboard may be defective,use an oscilloscope to check the following signal
or replace parts one at a time and test after each replacement.
1.If no sound cause
of line out, check
the following
parts & signals:
2. If no sound cause
of MIC, check
the following
parts & signals:
3. If no sound cause
of CD-ROM, check
the following
parts & signals:
No
No
Parts:
U1014
U19
U26
U14
J8
J22
J1020
J1022
C561
C1281
FB1076
FB1077
Signals:
/-
/-
/-
SIDESURR_R
SIDESURR_L
SPDIFOUT
Parts:
U1014
U19
J1019
C1264
C1271
FB1074
FB1075
R1421
R1422
Signals:
MIC1_R
MIC1_L
MIC_INT
MIC1_ VREF0_L
MIC1_ VREF0_R
Parts:
U1014
U19
J1008
R371
R373
R360
R361
R362
Signals:
CDROM_L
CDROM_R
CDROM_GND
Replace the fault
speaker, CD-RPM.
Correct it.
Replace
Motherboard
