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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-55
9-22. WCDMA2100 Transmitter
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Yes
Check the U101
No
Yes
Yes
Yes
Check C133 = 8 dBm ?
Replace DUF100
Replace F101
No
No
Check C110 = 23 dBm ?
Check C131 = 24 dBm ?
No
Check L137 = 26 dBm?
Replace PAM101
Check RFS100 or
F100
(the method like GSM)
No
Yes
Yes
Check C194 = 5 dBm?
The End
Tx ON
Battery Voltage: 3.8V
(AGC for 23dBm)