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Level 3 Repair
8-4-12. WCDMA1900 Transmitter
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Battery Voltage: 3.8V
(AGC for 23dBm)
Check C117 = 8 dBm ?
Check C224 = 5 dBm?
Check L212 = 26 dBm?
Check C249 = 24 dBm ?
Check C102 = 23 dBm ?
Tx ON
Yes
Yes
Yes
Yes
Yes
Yes
The End
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This Document can not be used without Samsung's authorization
Check the U100
No
Replace F202
No
Replace PAM202
No
Replace DUF202
No
Replace RFS101
No
8-65
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