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4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.17.3. Checking GSM Rx part
Check TP1,TP2,TP3
Signal exist?
Check Front-End Module &
Soldering of TPs
Rx Still has
problem?
GSM/DCS/PCS Rx is OK.
NO
NO
YES
YES
START
Re-download & Calibration
TP3
TP1
TP2
TP3
TP1
TP2
TP3
TP1
TP2