Samsung GT-B5510 Service Manual page 62

8-4-5. WCDMA Band8 RX
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Continous Rx ON
RF Input : 3013CH
Amplitude : -50dBm
Normal Condition
Catch the channel?
Check L114 = -65 dBm?
Check L112 = -65 dBm?
Resolder U101 or Change
Yes
Yes
Yes
Yes
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No
Check Antenna Contact
No
Replace U100
No
Replace F102
8-33
Level 3 Repair
CONTINUOUS RX ON
RF INPUT : 3013CH
AMP : -50dBm