LG KP175 - Microphone Trouble

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4. TROUBLE SHOOTING
4.14 Microphone Trouble
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TEST POINT
CIRCUIT
MIC 201
C228
R219
C223
R216
C227
CLOSE TO ABB
MIC
39p
C221
C223 0.1u
R221 100ohm
1K
R212
VA205
ICVN0505X150FR
2.2u
C217
39p
C219
2V5_VMIC
ICVN0505X150FR
VA206
SPOB-413S44-RC10BC
MIC201
1
2
C228
39p
100ohmR219
C227
39p2.2K
R223
R216
39p
2.2K
C222
VINNORP
VINNORN
Figure 4.14