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SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-39
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8-4-8. WCDMA Band1 TX
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Tx ON
Battery Voltage: 3.8V
CONTINOUS TX ON CONDITION
TX POWER DAC:120 CODE APPLIED
CH : 10700
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
The End
Check U100 PIN20
OUTPUT(RF CONN.)
With HP8960 >= 23dBm?
Yes
Check C100
= 24dBm?
Check C105 = 26 dBm?
Check C104 =
-8dBm?
Yes
Yes
No
Check the U101
Replace U1000
Replace PAM100
No
No
No
Replace DUF100
Yes
Yes