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4. TROUBLE SHOOTING
Checking Flow
SETTING : After initialize Agilent 8960, Test EGSM, DCS mode
START
Voltage across C208
= DC 2.5V ?
YES
Check the signal
Level at each side
of MIC.
Is it a few tens
mV AC?
YES
Check the soldering of
C211,C214
YES
Microphone will work
properly.
NO
Voltage VMIC of U101
= DC 2.5V?
NO
Replace microphone
NO
Resolder component
- 94 -
NO
Replace U101
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