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Flow Chart of Troubleshooting
9-2-4. GSM900 Transmitter
**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.
Tx ON (Level :5)
Battery voltage:3.8V
Check C127 = 14dBm?
Check C168 >= 34.5dBm?
Check C100 >= 33dBm?
The End
Yes
Yes
Yes
Yes
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Check The U100
No
Replace PAM100
No
Replace RFS102
9-44
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