Wcdma Tx Part - LG D686 Service Manual

3.2 WCDMA Tx Part

3.2.1 WCDMA_ Tx B1/B2/B5/B8
* 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/B2/B5/B8 Tx TEST SETUP
- Test Channel : 10700 / 9800/ 44407 / 3013
- Sector Power : -55 dBm
1. Check
DC Power Supply Circuit
2. Check MT6162 XO
3. Check PA
4. Check DPX
5. Check PAM
Re download S/W & Cal
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3. TROUBLE SHOOTING
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