LG LG-D175F - WCDMA Tx Part Trouble

3. TROUBLE SHOOTING
- 52 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3.2 WCDMA Tx Part Trouble
3.2.1 WCDMA_B1 Tx
* There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form.
WCDMA B1 Tx TEST SETUP
- Test Channel : 9750
- Sector Power : -55 dBm
1. Check DC Power Supply Circuit
START
2. Check XO
4. Check DPX
5. Check RX Module
Re download S/W & Cal
3. Check PA