8224 N/B Maintenance
8224 N/B Maintenance
147
8.15 Audio Test Error-2 (Audio In)
No sound from speaker after audio driver is installed.
36
U13
SB
ICH7-M
U525
Audio Codec
ALC880
CARD_SPKR
From the P27 U520
12
PC_BEEP
ACZ_SYNC
ACZ_SDOUT
-ACZ_RST#
ACZ_SDIN0
ACZ_BITCLK
8
11
10
5
P
23
6
R437
0
SPK_OFF
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L77
120Z/100M
C863
0.1U
C840
0.1U
AGND
25,38
AVDD[1,2]
AVDD
+5VS
R869
10K
C818
1U
C475
10U
DVCD[1,2]
+3VS
1,9
C816
10U
A_GND
+VA
R798
39
R800
39
R824
39
R848
1K
C839
100P
R870
0
U528
74AHCT1G32
VCC
Y
P
23
A
B
2
1
GND
3
C862
0.1U
5
4
R873
47K
SBSPKR
R825
39
R823
22
L558
220Z/100M
+VA
P
19
P
19
L78
120Z/100M
R799
39
R819
39
R871
47K
J520
5
1
4
3
6
2
MIC1_VREFR
32
MIC1_VREFL
28
L76
600Z/100M
R476,R874
4.7K
MIC1_R
22
C459
1U
R477
51
MIC1_L
21
C844
1U
R840
51
L561
600Z/100M
C831
100P
L74
0
A_GND
CAGND
JO521
L75
600Z/100M
L70
600Z/100M
MIC1
L71
600Z/100M
L79
600Z/100M
C456
47P
JO523
1
2
External MIC
LINEIN_R
24
L562
600Z/100M
MIC_INT
LINEIN_L
23
L82
600Z/100M
C470
100P
L563
0
C832
100P
A_GND
5
1
4
3
6
2
JO70
JO522
CAGND
J521
Line In Jack
20
C841
1U
R477
51
19
C842
1U
R840
51
18
C843
1U
R840
51
J511
Secondary IDE Connector
2
3
1
P
22
A_GND
R479
6.8K
R478
100K
R480
6.8K
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47
EAPD
To next page
36
35
AOUT_R
AOUT_L
R474
4.42K
R475
4.42K
AMP_LEFT
AMP_RIGHT
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48
SPDFOUT
MiTac Secret
Confidential Document