LG VX5400 Service Manual page 101

SETTING : After initialize 5515C, Test Cellular or US PCS
STARAT
Check the voltage of R415
Whether its range is 1.2~1.5V
YES
Check the signal level at
Each side of MIC
YES
Check the soldering of
C415,C416
YES
Check the soldering of
MIC filter part
YES
MIC will work properly
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Only for training and serving purposes
Checking Flow
Checking Flow
NO
Check the soldering at R415
YES
Resolder R514
NO
Resolder M400
NO
Resolder C415,C416
NO
Resolder MIC filter part
-101-
NO
Replace MSM
LGE Internal Use Only