LG Electronics LG-C300 Cell Phone User Manual


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LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
ͽ͸Ͷ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑΀ΟΝΪ
`ZVXZZ
4.12 Microphone Trouble
TEST POINT
CIRCUIT
Figure 4.12
2. TROUBLE SHOOTING
C233_TP2C231_TP1
MIC201
C236_TP3
TP3
TP1
TP2
VMIC
100n
L201
39p
C230 C231
10u
C232
39p
33
2
C
u1.
0
6
3
2C
u1.0
C237
39p
C238
39p
0
R235
D201
SUMY0010609
MIC201
4
3
2
1
P
G1
G2
O
VA204VA203
MIC_N
MIC_P
MICROPHONE
TP1
TP2
TP3
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