LG B2000 Service Manual page 55

4 . TROUBLE SHOOTING
Checking Flow
START
HP8960 : Test mode
62 CH, 7 level setting (TCH)
62CH, -60dBm setting (BCCH)
Spectrum analyzer setting
Oscilloscope setting
Check
regulator circuit
Check
VCTCXO
Check
FEM &
Mobile SW
Check
PAM contral
signal
Check
TX IQ
Redownload SW or
Do calibration again
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