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Flow Chart of Troubleshooting
9-53
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9-2-9. WCDMA900 Receiver
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Check C205 = -59 dBm?
Check L222 = -56 dBm?
Yes
No
Replace DUF200
Replace RFS101
Resolder U100 or Change
Check Antenna Contact
No
No
Yes
Yes
Yes
Normal Condition
Catch the channel?
The End
Continous Rx ON
RF Input : 3013 CH
Amplitude : -50dBm