LG P7200 - Page 93

4. TROUBLE SHOOTING
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START
NO
Replace U101
NO
YES
Microphone will work
properly.
SETTING : After initialize Agilent 8960, Test EGSM, DCS mode
YES
Voltage across C208
= DC 2.5V ?
Check the signal
Level at each side
of MIC.
Is it a few tens
mV AC?
Check the soldering of
C211,C214
Voltage VMIC of U101
= DC 2.5V?
NO
Replace microphone
YES
NO
Resolder component
Checking Flow