LG GT500 Service Manual page 163

4. TROUBLE SHOOTING
C. GSM RF Transceiver Check
Check GSM RF Transceiver
Output power at ①.
LGE Internal Use Only
①`
DCS/PCS Tx
(R129)
RF3300
(U111)
Figure 4-43. GSM850/EGSM/DCS/PCS Transceiver (RF3300)
GSM850/EGSM/DCS/PCS
See Next page to check Tx path
Vapc
(PIN 52)
>5dBm
Yes
- 164 - Copyright © 2009 LG Electronics. Inc. All right reserved.
①
GSM Tx
(R134)
No
Redownload SW
Only for training and service purposes