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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-68
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9-2-12. WCDMA2100 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.
Yes
Tx ON
Battery Voltage: 3.8V
(AGC for 23dBm)
Check the U100
No
Yes
Yes
Check C195 = 8 dBm ?
Replace DUF201
Replace F203
No
No
Check C104 = 23 dBm ?
Check C232 = 24 dBm ?
No
Check L214 = 26 dBm?
Replace PAM202
Replace RFS102
No
Yes
Yes
Check C224 = 5 dBm?
The End