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4.12 Microphone Trouble
TEST POINT
CIRCUIT
R12
MICN1
T12
MICP1
R13
MIC
MIC_P
MIC_N
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
R200
R201
C207
R210
R203
VA201
VA200
Figure 4.12.1
VMIC
R202
0.1u
C210
47p
R203
0.1u
C206
R202
R204
C207
C205
10u
47p
ECTH0005601
VA200
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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4. TROUBLE SHOOTING
MIC_N
MIC_P
MIC200
1
2
OB4-15L42-C33L
VA201
RCLAMP0521P_TCT
EDTY0009601
LGE Internal Use Only
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