Tx Trouble; Only For Training And Service Purposes - LG KG280 Service Manual

4.3 TX Trouble

Checking Flow
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

START
HP8960 : Test mode
62 CH, 7 level setting (TCH)
62CH, -60dBm setting (BCCH)
Spectrum analyzer setting
Oscilloscope setting
(1)Check
VCTCXO
(2)Check
Mobile SW
& FEM
(3)Check
PAM control
signal
(4)Check
TX IQ
Redownload SW or
Do calibration again
- 47 -
4. TROUBLE SHOOTING
LGE Internal Use Only