LG S5000 Service Manual page 85

4. TROUBLE SHOOTING
Checking Flow
SETTING : After initialize Agilent 8960, Test EGSM, DCS mode
Set the property of audio as PRBS or continuous wave. Set the receiving volume of mobile as Max.
START
Does waveform at
R112 and R114
fluctuate?
YES
Is CN601 connected
properly?
YES
Is receiver connected
Properly?
YES
Receiver will work properly.
NO
Replace main board
NO
Reassemble CN601
NO
Resoldering receiver
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