LG -P500 Service Manual page 100

Check TCXO Block Refer to 1.
If GSM over 1 dBm?
If DCS/PCS over 28 dBm?
If GSM(TP2) under 6 dBm?
If DCS/PCS(TP) over 6 dBm?
Still exist Problem
Change the board
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
START
No
Check TP1
No
Check TP2, 
No
No Problem
Check RTR & PAD
Yes
GSM/DCS/PCS Tx is OK
Check other part
Yes
Check ANT SW Block (ASM+EDGR PAM)
Refer to 1.4
Check soldering and components
- 101 -
4. TROUBLE SHOOTING
LGE Internal Use Only