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START
Check TP1
If GSM over 31dBm ?
If DCS/PCS over 28dBm ?
NO
Check TP2, TP3
If TP2 over 29dBm ?
If TP3 over 25dBm ?
NO
Check PAM Block
OK ?
Refer to chapter 3.6.4
NO
Check Soldering of
PAM (U101)
If problems stiil exist, replace
PAM.
NO
Problems resolved?
NO
Change the Board
4. TROUBLE SHOOTING
GSM/DCS/PCS
YES
Check other part
Check ANT. SW
YES
Refer to chapter 3.4
YES
Check TXVCO
Refer to chapter 3.6.1
GSM/DCS/PCS
YES
Tx is OK
- 101 -
Tx is Ok
Module
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Table of Contents
Troubleshooting
