LG LG-D175F - 3 Trouble Shooting; WCDMA Rx Part Troubleshooting

3. TROUBLE SHOOTING
- 29 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TROUBLE SHOOTING
3.1 WCDMA Rx Part Troubleshooting
3.1.1 WCDMA_B1 Rx
Rx TEST SETUP
- Test Channel : 10700
- Sector Power : -30 dBm
1. Check DC Power Supply circuit
START
2. Check WTR2605 XO
3.Check RF Signal path
Re download S/W & Cal
* There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form