3. TROUBLE SHOOTING
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3.3 GSM Rx Part Troubleshooting
3.3.1 GSM850/900 Rx
* There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form
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
START
2. Check XO
Re download S/W & Cal
3. Check RF Signal path
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