LG VX5400 Service Manual page 100

Tri band, quad mode [pcs/gps/cellular/amps] cdma mobile phone
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4.3.5 AUDIO - MIC Trouble
Circuit Diagram
Circuit Diagram
MIC PAD+
MIC PAD-
R415
R416
R418
MIC Bias
Test point
Test point
M400
R418
R416
MIC FILTER
NETWORK
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