LG KF700 Service Manual page 119

4. TROUBLE SHOOTING
If DCS/PCS over 28dBm?
Check PAM Block OK ?
Check Soldering of PAM (U101)
LGE Internal Use Only
START
Check TP 1
If GSM over 31 dBm?
No
Check TP 2, TP3
If TP2 over 29dBm?
If TP3 over 25dBm?
No
Refer to chapter 3.6.3
No
If problem still exist,
replace the PAM
Problem resolved ?
No
Change the Board
Yes
GSM/DCS/PCS Tx is OK
Check other part
Check Front - End
Yes
Refer to chapter 3.4
Yes
Check the RTR 6275
Yes
GSM/DCS/PCS Tx is OK
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