LG L602i Service Manual page 81

4. TROUBLE SHOOTING
For testing, Max power output is needed.
Set the Phone Tx is ON
and PDM is 450
YES
Check TP1
Over 21dBm ?
NO
YES
Check TP2
Over 19dBm ?
NO
YES
Check TP3
Over 16dBm ?
NO
YES
Check TP4
Over -5dBm ?
NO
Change the board
- 82 -
RF Tx Level is OK
Check FEM
Check Duplexer
Check PAM Block
Refer to 3.5.4