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Check TCXO Block
Refer to 1.3
If GSM over 31 dBm ?
If DCS/PCS over 28 dBm ?
Check TP2, 3
If GSM(TP2) under 6 dBm ?
If DCS/PCS(TP3) under 6 dBm ?
Check RTR & PAD
Still exist Problem
Change the board
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Start
No
Check TP1
No
No
No Problem
4. TROUBLE SHOOTING
Yes
GSM/DCS/PCS
Check other part
Yes
EDGE PAM(TQM7M5012)
Check soldering and
- 99 -
Tx is OK
Refer to 1.4
components
LGE Internal Use Only
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Table of Contents
Troubleshooting
