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Flow Chart of Troubleshooting
9-22
9-14. DCS Receiver
Check F100
pin9,pin11 = L
Check UCP201
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Resolder U101
Check
U101, OSC100
RF26MHz, RF PSU Part
U101 pin
12,13,28,29 >=2.8V
Resolder C104, C106, L106
Resolder F100
Check ANT Switch
control circuit
U101
pin 19 >= -70dBm
pin 20 >= -70dBm
U101 pin 4,5,6,7
>= 1V
F100 pin3,4
>= -68dBm
RX ON
RF input : 698CH center freq : 1842.4MHz
Amp : -50dBm
Yes
No
END
Resolder RFS100, C101, L102
F100 Pin13
>= -65dBm
Содержание SGH-t329 Series
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