Only For Training And Service Purposes - LG KP110 Service Manual

CHECKING FLOW
SETTING : After initialize Agilent 8960, Test GSM900, DCS mode
Voltage VMIC 2.5V
YES
Check the signal
Level at each side
Is it a few tens
YES
Check the soldering of
R205,R206,C206
YES
Microphone will work
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Only for training and service purposes

START
NO
Check the
NO
of MIC201.
mV AC?
NO
properly.
4. TROUBLE SHOOTING
Change the U101
Change the microphone
Resolder component
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LGE Internal Use Only