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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-45
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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.
No
Replace PAM100
Replace RFS102
Check The U100
Check C104 >= 33dBm?
No
No
Yes
Yes
Yes
Yes
Check C123 = 14dBm?
Check C108 >= 34.5dBm?
The End
Tx ON (Level :5)
Battery voltage:3.8V