Gsm Rx Part Troubleshooting(850/900 Rx) - LG -D295 Service Manual

3.4 GSM Rx Part Troubleshooting
3.4.1 GSM850/900 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 for GSM900
TCH: GSM850 / EGSM for GSM900
- Channel : 190 / 37 for GSM 900
- Sector Power : -30 dBm
1. Check
DC Power Supply circuit
2. Check XO
3. Check RF Signal path
Re download S/W & Cal
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3. TROUBLE SHOOTING
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