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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-62
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9-2-10. WCDMA900 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
Yes
Yes
Yes
Replace DUF200
Replace F200
No
No
No
Check C104 = 23 dBm ?
Check C201 = 24 dBm ?
CPL200 1pin= 25.5dBm ?
No
Replace CPL200
Check L217 = 26 dBm?
Replace PAM200
Replace RFS102
Check the U100
No
No
Yes
Yes
Yes
Check C121 = 8 dBm ?
Check C231 = 5 dBm?
The End
Tx ON
Battery Voltage: 3.8V
(AGC for 23dBm)