LG P7200 - Microphone Trouble

4. TROUBLE SHOOTING
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4.13 Microphone Trouble
TEST POINT
CIRCUIT DIAGRAM
CLOSE TO AD6537B
C140
39p
R12
NC_R12
AIN1N
R16
AIN1P
P16
39p
C141
39p
C143
C142
39p
MIC_N
MIC_P
MICROPHONE
VA204
EVLC14S02050
1u
C209
R216
0
NA
C213
2V5_VMIC
EVLC14S02050
VA205
NA
R217
C211 0.1u
C214
0
10u
C208
G1
2
3
G2
5
G3
1
OUT
PWR
4
SP0102BE3
MIC
C220
NA
MIC_N
MIC_P