Gsm Rx Part - LG D686 Service Manual

3.3 GSM Rx Part

3.3.1 GSM850/900/DCS/PCS Rx
* 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
Rx TEST SETUP
- BCH :GSM850 / EGSM / DCS / PCS for GSM900
- TCH: GSM850 / EGSM / DCS / PCS for GSM900
- Channel : 190 / 37 / 698 / 661 for GSM 900
- Sector Power : -30 dBm / -33dBm
1. Check
DC Power Supply circuit
2. Check MT6162 XO
3. Check RF Signal path
Re download S/W & Cal
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3. TROUBLE SHOOTING
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