LG VX9100 Service Manual page 110

VX9100
START
Check the voltage level at R210
Whether its range is 1.5~2.0V
Check the signal level at
Each side of MIC
Check the soldering of MIC network
MIC will work properly
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Only for training and service purposes
YES
NO
YES
NO
YES
NO
YES
Checking Flow
Checking Flow
Check the soldering
at R210
YES
Resolder M200
Resolder MIC network
- 109 -
Replace MSM or Main B/D
NO
Resolder R210
LGE Internal Use Only