MiTAC 8050QMA - Manual (Page 131)

130
80 80 50QMA 50QMA N/B Maintenance N/B Maintenance
AGND
R406
6.8K
R419
6.8K
8.10 Audio Test Error-2 (Audio In)
U517
Audio Codec
ALC655
U709
South Bridge
ICH6-M
U715
PC14510GHK
C335
1µ
C339
0.1µ
SBSPKR
R336
10K CARDSPK 12
PC_BEEP
SPK_OFF
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1
2 4
+VA
DVDD1,2
AVDD1,2
25,38
P
21
P
18
R337
47K
R338
47K
+VA
L71
120Z/100M
C755
0.1µ
+3VS
1,9
20
C380
1µ
CDROM_RIGHT
J710
CDROM
Connector
2
P 14
R420
6.8K
18
C377
1µ CDROM_LEFT 1
R407
6.8K
19
C385
0.22µ CDROM_COMM 3
R438
0
AGND
+5VS
C581
10µ
C351
10µ
C725
0.1µ
ACSYNC
ACRST#
ACSDOUT
ACSDIN0
ACBITCLK
8
5
10
11
R391 22
6 R390 22
P
11
No sound from speaker after audio driver is installed.
C741
0.1µ
C748 1µ
C746 1µ
31
32
AGND
VIN 1 OUT
U17
RT9167-47CB
5
P 19
3 CE ADJ 4
GND 2
C364
0.01µ
C763
1µ
C756
1µ
23
24
LINE_IN/L
LINE_IN/R
R436
0
R417
0
AGND
R418
22K
R437
22K
J721
Line In Jack
2
3,5
P 21
L79
BEAD_600Z/100M
L78
BEAD_600Z/100M
C578
0.1µ
L74 220
R205
0
D31
BAV70LT1
2
1
3
KBC_DEEP
From U13
P 23
A VCC
U16
NC7S32
P
21
Y B
5
R335
1K
C334
100P
External MIC
J720
1
2
6
3
5
4
P 21
R784
4.7K
R783
0 C764
1µ 21 MIC
22 MIC2
C757
1µ
CAGND
MIC1
28 MIC_VREF
R405
0
R412
5.6K
C751
1µ
R785
0
MIC_EXT
CAGND
C381
100P
L554
BEAD_600Z/100M
JO518
MIC1
P
21 +
-
1
2
L520
BEAD_600Z/100M JO517
AGND
L62
BEAD_600Z/100M
AGND
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36
35
AOUT_R
AOUT_L
AMP_RIGHT
AMP_LEFT
R758
0
R767
0
R756
0
R771
0
R434
0
CAGND
C378
100P
CAGNDCAGND
J10 J9
SPDIFOUT
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48
L543
BEAD_600Z/100M
AGND
3 4
1 2
CAGND
L548
120OHM/100MHZ
MiTac Secret
Confidential Document