Tx Trouble - LG -A230 Service Manual

4. TROUBLE SHOOTING

4.3 TX Trouble

CHECKING FLOW
START
HP8960 : Test mode
62 CH, 7 level setting (TCH)
62CH, -60dBm setting (BCCH)
Spectrum analyzer setting
Oscilloscope setting
(1)Check
Crystal Circuit
(2) Check
Mobile SW &TX Module
(3) Check PLL Control
Redownload SW or
Do calibration again
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