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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-25
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10-8.
GSM850 Receiver
RX ON
Sector PWR=-50dBm
Resolder or change
F100,L102,L103,C122
Change U100
&
UCP200
PAM100 Pin
8
>= -60
dBm
Check PAM100
Truth Table
Pin
1:
HIGH
Pin
27 :
LOW
Pin
28 :
HIGH
No
Yes
Resolder RFS100, C103, R100, L100,
,
L101, C111
Resolder or change PAM100
No
PAM100 Pin
4
>= -70
dBm
Yes
U100
Pin
50,51
>= -75
dBm
No
Yes
Yes