Samsung GT-S5830 - Web and Internet Access; Internet Browsing

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Level
3
Repair
8-43
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8-4-9.
WCDMA Band8 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
Check PAM100 PIN26
OUTPUT(RF CONN.)
With HP8960
>= 23
dBm?
The End
Check C154
=8
dBm
?
Yes
Yes
No
Check the U103
Replace PAM100
Replace U102
Check C133
=26
dBm?
No
No
No
Replace DUF100
Yes
Yes
Yes
CONTINOUS TX ON CONDITION
TX POWER DAC:
120
CODE APPLIED
CH
: 3013
RBW
: 100
KHz
VBW
: 100
KHz
SPAN
:10
MHz
REF LEV.
:10
dBm
ATT.
:20
dB
Check L125=
26
dBm?