LG KU950 - Page 100

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