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CHECKING FLOW
SETTING : After initialize Agilent 8960, Test EGSM, DCS mode
START
Voltage VMIC of U201
= DC 2.5V?
YES
Check the signal
Level at each side
of U400.
Is it a few tens
mV AC?
YES
Check the soldering of
R432, R433, R431,
C454 C400
YES
Microphone will work
properly.
NO
Replace U201
NO
Replace microphone
NO
Resolder component
-65-
4. TROUBLE SHOOTING
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