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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-19
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9-8. GSM850 Receiver
RX ON
Sector PWR=-50dBm
Resolder or change L202,L204,L203
Change U205 & UCP500
F200 Pin 2
>= -60dBm
Check U1000 Truth
Table
Pin 3 : LOW
Pin 4 : HIGH
Pin 5 : HIGH
Pin 6 : LOW
No
Yes
Resolder RFS200, C200, L201, R221,
,R220
Resolder or change F200
No
F200 Pin 12,13
>= -70dBm
Yes
U205
Pin 50,51
>= -75dBm
No
Yes
Yes