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Flow Chart of Troubleshooting
10-7
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near MIC
C547
C546
R502
C510
C539
R506
C500
C505
C542
R508
C512
C541
C503
R503
MIC+
MIC-
MAIN_MIC_P
MAIN_MIC_N
VMICN
VMICP
C508
C502
ground
R501
ground
R507
ground
ground
C545
C544
C515
C514
R535
C507
C517
C518
EAR_MIC_P
EAR_MIC_N
VMICP
IF_EARMIC_P
IF_EARMIC_N
C
3
0
0
C307
C309
C310
C
3
11
C
31
4
C
3
1
6
C
31
7
C
50
2
C
50
7
C
50
8
C514
C515
C517
C
51
8
C
54
4
C545
C
5
4
8
C549
C550
C551
C552
C553
C
55
4
C557
C558
C
60
2
C702
F7
01
F70
2
F
P
C
70
4
HE
A70
2
L
6
01
R307
R308
R309
R
31
0
R
31
1
R
31
2
R
3
1
4
R
32
6
R
32
7
R
44
3
R
50
1
R507
R530
R531
R
53
5
R
53
6
R
60
3
R707
R
73
3
T
P
_W
R
n
U
50
4
’M
A
X
97
2
2B
E
T
E
+
T
’
V
R
6
04
V
R
6
05
VR606
Summary of Contents for SGH-L770
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