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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-55
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9-2-10. WCDMA900 Transmitter
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Check C102 = 23 dBm?
Check L222 = 24 dBm?
Check C119= -8 dBm ?
Yes
Yes
Yes
Replace DUF200
Replace F200
No
No
No
Check C246 = 26 dBm?
Replace PAM200
Replace RFS101
Check the U100
No
No
Yes
Yes
Yes
Check C204 = 5 dBm?
The End
Tx ON
Battery Voltage: 3.8V
(AGC for 23dBm)