LG GW620 - Page 115

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4. TROUBLE SHOOTING
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Check TP1
If GSM over 31 dBm ?
If DCS/PCS over 28 dBm ?
Check soldering and
components
Start
Check TCXO Block
Refer to 1.3
Check TP2, 3
If GSM(TP2) under 6 dBm ?
If DCS/PCS(TP3) under 6 dBm ?
Change the board
GSM/DCS/PCS
Tx is OK
Check other part
Check Ant.SW Block
(ASM+EDGE PAM)
Refer to 1.4
No
Yes
No
Yes
Check RTR & PAD
No Problem
Still exist Problem
No