LG GD910 Service Manual page 91

5. Trouble shooting
5.14.3. Checking GSM Rx part
Checking Flow
Checking Flow Checking Flow Checking Flow Checking Flow
START START START START
Check TP1 ~ TP4 Check TP1 ~ TP4
Signal exist? Signal exist? Signal exist? Signal exist?
Rx Still has Rx Still has Rx Still has Rx Still has
problem? problem? problem? problem?
Re-download & Calibration Re-download & Calibration Re-download & Calibration Re-download & Calibration
Checking Point Checking Point Checking Point Checking Point Checking Point Checking Point Checking Point Checking Point
Checking Points
LGE Internal Use Only
NO NO NO NO
YES YES YES YES
NO NO NO NO
YES YES YES YES
GD910 service manual
Check Front-End Module & Check Front-End Module & Check Front-End Module & Check Front-End Module &
Soldering of TPs Soldering of TPs Soldering of TPs Soldering of TPs
GSM/DCS/PCS Rx is OK. GSM/DCS/PCS Rx is OK. GSM/DCS/PCS Rx is OK. GSM/DCS/PCS Rx is OK.
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Only for training and service purposes