SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-50
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8-3-2-11. WCDMA 1900 Receiver
RX ON(Call Connected)
DL Channel : 9800 Ch
UL Channel : Auto
Cell Pwr = -50dBm
UE Target Pwr = 24dBm
RFS101 Pin 2
>= -55dBm
Resolder RFS100,L103,C100,L149
No
Yes
Check RFS100
pin3 = L, pin4 = L,
,pin5 = H, pin6 = H
,
pin7 =2.7V
(C105,107)
RFS101
Pin 22
>= -60dBm
No
No
Check
R107,109,110,111
and UCP300,U401
(crack,open,etc)
Resolder or change RFS101
Yes
Yes
DUF102
Pin 6
>= -65dBm
No
Resolder L130,C158,C122
Yes
DUF102
Pin 1
>= -70dBm
Resolder or change DUF102
No
Yes
U100 Pin33,34
or C143
>= -80dBm
Resolder L134,C180,C165,L136,
L140,C164,C181,C123
No
Yes
Check U100 & UCP300
(crack,open,etc)
END