Service manual

126
8258I N/B Maintenance
8258I N/B Maintenance
8.8 Audio Test Error-1
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.
Try another known good
speaker, ODD.
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.
No
No
Parts:
U515 Q11
U517 Q14
U518 Q15
J506 Q16
J512 EL30
J513 EL34
J514 EL545
AKJ1 EL546
J2 EL547
EL19 EL20
EL23 EL544
Signals:
+3VS +5VS
AMPVDD MIC_INT
MIC1_L/R LOUT+/-
DEVICE_DECT# PC_BEEP
DECT_HP_OPT# ACZ_RST#
SPDIFOUT ACZ_SYNC
SPK_OFF ACZ_SDIN0
SPK_OFF# ACZ_SDOUT
SPK_ROUT+/- AMP_LEFT
ACZ_BITCLK AMP_RIGHT
CDROM_LEFT CDROM_COMM
CDROM_RIGHT SBSPKR
Correct it.
Correct it.
Replace
Motherboard
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