Tx Trouble - LG KP110 Service Manual

4. TROUBLE SHOOTING

4.3 TX Trouble

Checking Flow
LGE Internal Use Only
START
HP8960 : Test mode
109 CH, 7 level setting (TCH)
109CH, -60dBm setting (BCCH)
Spectrum analyzer setting
Oscilloscope setting
(1)Check
Crystal Circuit
(2)Check
Mobile SW
& FEM
(3)Check
PAM control
signal
(4)Check
TX I/Q Signal
Redownload SW or
Do calibration again
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