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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-37
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9-2.RF
9-2-1. GSM 850 Receiver
**Please Check the Main Antenna ,rear, front case, and screws, and then follow the chain below.
If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor.
Continous Rx ON
RF Input : 190 CH
Amplitude : -50dBm
Yes
No
Check Antenna contact
Normal condition
Catch the channel?
Yes
Replace RFS102
No
Check L108 = -55dBm ?
Yes
Resolder U100 or Change
Yes
The End