3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
Check Main Mic hole.
VA8102
EDTY0012501
VA8103
MIC8100
EAB62291401
2
1
MIC_BIAS_1
L8102
100n
100n
L8103
2.2u
C8107
2.2K
R8105
2.2K
R810
2
1K
R8116
100
R8104
R8103
100
33p
C8110
33p
C8109
33p
C8108
MIC_IN1_N
MIC_IN1_P
Check L8102,8103 and MIC Bias voltage level (R8116, R8102)
L8102,8103
R8116, R8102