173
8175 N/B MAINTENANCE
8175 N/B MAINTENANCE
8.14 Audio Failure
No sound from speaker after audio driver is installed.
U17
ICH2
82801BA
U15
ALC201
U7
PCI4410
C670
0.1U
C667
0.1U
+3VS
C702
0.1U
C684
10U
C674
0.1U
L540
SBSPKR
R649
47K
+5VS
R646
470K
R647
20K
U510
NC7S32
R645 22
R648 22
-CARDSPK
11
5
8
10
6
12
1 9 25 38
1
2
3
5
4
62
AVDDAD
PC_BEEP
L14
120Z/100M
C672
0.1U
R109 6.8K
R121 6.8K
AGND
23
24
LINE/IN/L
LINE/IN/R
5
4
3
2
1
X
CAGND
J1
External
Micro Phone
Jack
J16
Internal
Micro Phone
Jack
2
21
MIC1
XTL/IN
XTL/OUT
A
B
GND
VCC
Y
C669
0.1U
CD-ROM
Audio Jack
R141
0
R142
6.8k
J10
20
18
19
2
1
3
R140
6.8k
CD/R
CD/L
CD/GND
P
17
SPK_OFF
To U18
Next Page
36
35
LINE/OUT/R
LINE/OUT/L
To next
Page
AGND
MIC1
MIC_3
2
1
I
O
GND
+12VS
1
3
2
U511
7805
C196 2.2U
C183 2.2U
C194 1U
-ACRST
ACSDOUT
ACSDIN
ACSYNC
ACBITCLK
L535
120Z/100M
L10
120Z/100M
C701
0.068U/25V
VCC+
2OUT
8
AVDDAD
R669 47K
R670 47K
C686
10U/10V
3
1
2
1OUT
1IN+
2IN+
R148
68K
R149
100K
2IN-
7
6
4
AOUT_R
AOUT_L
R151
100K
C209
10U/10V
CDROM_RIGHT
CDROM_LEFT
CDROM_COMM
R134 6.8K
R132 6.8K
R133 0
C193 1U
C191 1U
C192 1U
U513
MC33078D
C675
0.1U
3
R88 1M
X2 24.576M
C148
10P
C167
10P
AUDIO IN
48
SPDIFOUT
MIC_2
L522
P
13
P
17
VCC-
R671 4.7K
5
2IN+
P
15
P
14
12
14
J7
Audio Board
12
14
J17