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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-21
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9-9. GSM850 Transmitter
TX ON
(PCL 5 level)
Cell Power : -40dBm
F200 Pin 11
>= 5dBm
U205 Pin 55
>= 5dBm
END
Resolder RFS200, C200, L201, R221,
,R220
Resolder or change F200
F200 Pin 2
>= 5dBm
Check F200
Truth Table
Pin 3 : HIGH
Pin 4 : LOW
Pin 5 : LOW
Pin 6: LOW
No
No
No
Yes
Yes
Yes
YES
Resolder or change C220
Check U205 & UCP500
Normal Condition Catch the
channel