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Level 3 Repair
8-34
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8-4-5. WCDMA Band8 RX
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
The End
Check C130 = -65 dBm?
Normal Condition
Catch the channel?
Yes
Yes
Yes
No
No
Check Antenna Contact
Resolder U101 or Change
Replace U100
Check C124 = -65 dBm?
Replace DUF101
No
Yes
Continous Rx ON
RF Input : 3013CH
Amplitude : -50dBm
CONTINUOUS RX ON
RF INPUT : 3013CH
AMP : -50dBm