User Guide

8081
8081
N/B Maintenance
N/B Maintenance
121
1
2
6
3
4
5
8.10 Audio Failure – Audio IN
No sound from speaker after audio driver is installed.
35
36
AOUT_L
AOUT_R
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U9
I/O
Controller
Hub
82801DBM
ICH4-M
U523
Audio Codec
CMI9738S
U521
PCMCIA
Controller
SBSPKR
R748
10K
CARDSPK#
12
PC_BEEP
ACSYNC
ACSDOUT
ACSDIN0
ACRST#
ACBITCLK
11
8
10
5
P13
P18
6
R755
2K
P10
R756
R757
22
22
C790 0.33µ
C783 0.33µ
20
18
CDROM_RIGHT
CDROM_LEFT
J504
CDROM
Connector
2
1
P12
R773 6.8K
R781
6.8K
R770
6.8K
R780 6.8K
C759
0.1µ
SPK_OFF
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L23
L535
120Z/100M
120Z/100M
AGND
PC_BEEP
H8_AVREF
R776
4.7K
C778
2.2µ
R771
4.7K
C791
1µ
21
MIC
C775
100P
External
MIC
J10
C777
4.7µ
MIC1
AGND AGND
AGND
AGND CAGND
R769
0
AVDDAD
5
4
R736
47K
1
2
3
C748
0.1µ
L541
120Z/100M
C789
0.1µ
AGND
C799
0.1µ
AGND
C797
10µ
AGND
JS503
25,38
AVDD[1,2]
AVDDAD+5V
C796
0.1µ
AGND
L533 0
L536 120Z/100M
L538 120Z/100M
19
C788 0.33µ
CDROM_COMM
3
L537
600Z/100M
L544
600Z/100M
R778
6.8K
R777 6.8K
R790 0
R787 0
R789 0
R690 0
P11
R822
0
SPRKOUT_551
A
B
GND
VCC
Y
U522
NC7S32
P13