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reserved. Only training and service purposes
LGE Internal Use Only
3. TROUBLE SHOOTING
3.11.3 Main MIC
3.11 Audio Part
It’s operating voice call(except speakerphone), voice recording, camcorder recording.
Checking Flow
Circuit Diagram
TP1: (FB4100)
TP1(FB4100) Signal line
MIC4100
TP2
Main MIC
Image
No
START
Check surface mount status
of MIC4100
END
Mic is OK?
Yes
Check signal at TP2
Signal is ok?
No
Yes
Surface mount again
Check signal TP1
Signal is ok?
TP2: (C4112)
Replace PCB
No
Yes
No
Replace MIC4100
Yes
42
Содержание LG-M700TV
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