Samsung GT-S5830 - WCDMA Band1 TX

SAMSUNG Proprietary-Contents may change without notice
Level
3
Repair
8-42
This Document can not be used without Samsung's authorization
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
: 100
KHz
VBW
: 100
KHz
SPAN
:10
MHz
REF LEV.
:10
dBm
ATT.
:20
dB
The End
Check PAM100 PIN26
OUTPUT(RF CONN.)
With HP8960
>= 23
dBm?
Yes
Check C147
=26
dBm?
Check C152
=8
dBm
?
Check C151
=5
dBm?
Yes
Yes
Yes
No
No
Check the U103
Replace PAM100
Replace U102
No
No
No
Replace F103
Replace DUF101
Yes
Yes
Check L112
=24
dBm?