Samsung SCH-I535 Service Manual page 136

Level 3 Repair
8-4-9. LTE B13 RX
**If you check the Rx chain, Check the not only RF Device but also resistor, inductor and capacitor.
Resolder U200 or Change
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.
Continuous Rx ON
RF Input : 5230CH
Amplitude : -50dBm
Normal condition
l?
Catch the channe
Yes
Check C318
>= -55dBm ?
Yes
Check C319
>= -60dBm ?
Yes
Check L316,L319
>= -60dBm ?
Yes
The End
No
Check Antenna contact
No
Resolder or Replace C108
No
Resolder or Replace F301
No
Resolder or Replace DUF302
8-66