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Only for training and service purposes
4. TROUBLE SHOOTING
㝘⪌HG 㵬㦤G 㠄⸬㡸G 㵲㡸G ㍌G 㛺㏩⏼␘UU㝘⪌HG 㵬㦤G 㠄⸬
㡸G 㵲㡸G ㍌G 㛺㏩⏼␘UG G
G
51 51 51 51
RX_DCS1800_M
RX_DCS1800_P
RX_GSM850_M
RX_GSM850_P
TP1
TP2
TP3
TP4
4.17.2 Checking GSM Rx part
Check TP1~TP3
Signal exist?
No
Yes
Re-download & calibration
Rx still has problem?
Check FEM & Soldeing of TPs
GSM Rx is OK
No
Yes
START