Samsung SCH-I535 Service Manual page 141

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
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CDMA CH : 384CH
Set Tx ON (PDM 120)
R0,R1 = 0,1
Check C407
>= 5dBm ?
Yes
Check C408
>= 5dBm ?
Yes
Check L405
>= 20dBm ?
Yes
Check C404
>= 20dBm ?
Yes
The End
No
Resolder or Replace U500
No
Resolder or Replace F400
No
Resolder or Replace PAM400
No
Resolder or Replace DUF400
8-71
Level 3 Repair