Microphone Trouble - LG KE600 - Cell Phone Service Manual

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5.8 Microphone trouble

Check Points
-Microphone hole
-Mic. Bias & signal come from
MIC1_P
MIC1_N
VMICN
VMICP
Checking Point
C342
27p
R364
0
C344
0.1u
R365
0
C345
0.1u
C349
27p
R345
C351
1000p
R348 1.2K
C367
10u
- 89 -
C343
27p
MIC301
1
2
C350
27p
1.2K
Check solder
related
microphone
path
5. Trouble shooting
OB4-15L42-C33L
C367

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