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Level 3 Repair
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8-74
8-4-12. EVDO CDMA Tx
**If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor.
Resolder or Replace U200
No
Resolder or Replace F101
Yes
No
Check C136
>= 5dBm ?
PCS CH : 384CH
Set Tx ON (PDM 120)
R0,R1 = 0,0
Check C137
>= 5dBm ?
Check C100
>= 20dBm ?
No
Resolder or Replace F100
Yes
Yes
No
Resolder or Replace U103
Check C138
>= 20dBm ?
Yes
Check C103
>= 20dBm ?
No
Resolder or Replace C108
Yes
Summary of Contents for SCH-I535
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