Samsung SCH-I535, Service Manual, Page: 141 / 170

Level 3 Repair
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8-71
8-4-10. 1x CDMA TX
**If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor.
Resolder RFS400 or Change
Resolder or Replace U500
The End
No
Resolder or Replace F400
Yes
No
Check C407
>= 5dBm ?
CDMA CH : 384CH
Set Tx ON (PDM 120)
R0,R1 = 0,1
Check C408
>= 5dBm ?
Check C404
>= 20dBm ?
No
Resolder or Replace DUF400
Yes
Yes
No
Resolder or Replace PAM400
Check L405
>= 20dBm ?
Yes