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Level 3 Repair
8-63
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8-4-11. 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
Yes
No
Replace DUF202
Check C225 = -59 dBm?
Replace RFS101
Resolder U100 or Change
Check Antenna Contact
No
No
Yes
Yes
Yes
Normal Condition
Catch the channel?
Check C249 = -56 dBm?
The End
