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Flow Chart of Troubleshooting
9-2-11. WCDMA1900 Receiver
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Continous Rx ON
RF Input : 9800 CH
Amplitude : -50dBm
Normal Condition
Catch the channel?
Check C218 = -56 dBm?
Check L217 = -59 dBm?
Resolder U100 or Change
Yes
Yes
Yes
Yes
The End
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No
Check Antenna Contact
No
Replace RFS102
No
Replace DUF201
9-62
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