Microphone Trouble - LG KE800 Service Manual

4.10 Microphone Trouble

Check Points
-Microphone hole
-Mic Bias & signal come from
MAIN_MIC1_P
MAIN_MIC1_N
Checking Point
R618
Check solder
related
microphone path
MAIN MICROPHONE
C609
27p
C618
R609 0
C619
R611 0
C623
27p
VMICN
C625
1000p
VMICP
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4. Trouble Shooting
C610
27p
MIC601
0.1u
1
2
0.1u
SMA-568-0C-R2
C624
27p
R615 1.2K
R618 1.2K