Wcdma Tx Part Trouble - LG -D175F Service Manual

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.
LGE Internal Use Only
START
WCDMA B1 Tx TEST SETUP
- Test Channel : 9750
- Sector Power : -55 dBm
1. Check DC Power Supply Circuit
2. Check XO
3. Check PA
4. Check DPX
5. Check RX Module
Re download S/W & Cal
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3. TROUBLE SHOOTING
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