Samsung SCH-I535 Service Manual page 129

8-4-7. EVDO PCS RX
**If you check the Rx chain, Check the not only RF Device but also resistor, inductor and capacitor.
Resolder U200 or Change
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Continuous Rx ON
RF Input : 600 CH
Amplitude : -50dBm
Normal condition
l?
Catch the channe
Yes
Check C100
>= -55dBm ?
Yes
Check L300
>= -60dBm ?
Yes Yes
Check L301,L307
>= -60dBm ?
The End
No
Check Antenna contact
No
Resolder or Replace C108
No
Resolder or Replace F100
No
Resolder or Replace DUF300
8-59
Level 3 Repair