User Guide

8965 N/B Maintenance
8965 N/B Maintenance
120
1. Try another known good speaker,CD-ROM.
2. Exchange another known good Audio/touch
pad/card Read board.
Test
OK?
Re-test
OK?
Replace
Motherboard
Yes
Correct it.
Correct it.
Yes
No
No
No sound from speaker after audio driver is installed.
8.11 Audio Test Error (1)
Board-level
Troubleshooting
Audio Test Error
1. Check if speaker cables are connected properly.
2. Make sure all the drivers are installed properly.
Parts: Signals
+5V
VA
AMP_RIGHT
AMP_LEFT
ROUT+
ROUT-
LOUT+
LOUT-
SPK_OFF
SPK_OFF
MIC_EXT
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.
Audio IN
U6
U17
U702
U711
J706
L31
L32
L39
R721
R722
R726
R727
Audio out
U7
J704
J709
J710
Q7
D9
L26
L27
L30
L37
L42
702
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