Gsm850 Receiver - Samsung GT-i8000 Service Manual

9-8. GSM850 Receiver

RX ON
Sector PWR=-50dBm
F200 Pin 2
>= -60dBm
Yes
F200 Pin 12,13
>= -70dBm
Yes
U205
Pin 50,51
>= -75dBm
Yes
Change U205 & UCP500
No
Resolder RFS200, C200, L201, R221,
No
No
Resolder or change L202,L204,L203
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,R220
Check U1000 Truth
Table
Pin 3 : LOW
Pin 4 : HIGH
Pin 5 : HIGH
Pin 6 : LOW
9-19
Flow Chart of Troubleshooting
Yes
Resolder or change F200