LG P705 Service Manual page 44

Set the phone Tx is ON and
PDM is 210
Check TP3 Over 21dBm?
No
Check TP2 PA_RO ≥ 2.6V
No
Check TP1 Over 10 dBm?
No
Change the board
LGE Internal Use Only
Yes
RF Tx Level is OK
Yes
Check MSM7227A
Yes
Check RTR6285A
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4. TROUBLE SHOOTING
Only for training and service purposes