LG CU920 - GSM PAM Block Verification

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4. TROUBLE SHOOTING
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Only for training and service purposes
Fig. 4.8.3.3 Check Flow of the GSM RX Block
G850/900/DCS/PCS Rx is OK.
START
Rx still has problems?
TP1,TP2,TP3,TP4
Slgnals exits?
Check ANT SW
Module and
soldering of TPs
Re-download &
Calibration
YES
YES
NO
NO