Samsung GT-B7330 Service Manual page 92

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