
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-40
This Document can not be used without Samsung's authorization
9-2-4. GSM900 Transmitter
**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 C102 >= 33dBm?
No
No
Yes
Yes
Yes
Yes
Check C121 = 14dBm?
Check C100 >= 34.5dBm?
The End
Tx ON (Level :5)
Battery voltage:3.8V