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Flow Chart of Troubleshooting
9-24
9-16. PCS Receiver
RX ON
RF input : 660CH center freq : 1959.8MHz
Amp : -50dBm
Yes
F100 Pin13
>= -65dBm
No
Resolder RFS100,C103,L106
Yes
F100 pin5,6
>= -68dBm
Check F100
pin9,pin11 = L
No
No
Check ANT Switch
control circuit
Yes
Yes
Resolder F100
U101
pin 21 >= -70dBm
pin 20 >= -70dBm
No
Resolder C101, C102, L103
Yes
U101 pin 11,12
16,17,32,33>=2.8V
U101 pin 4,5,6,7
>= 1V
No
No
Check
U101, OSC100
RF26MHz, RF PSU Part
Yes
Yes
Resolder U101
Check UCP200
END
Summary of Contents for SGH-E200
Page 31: ...8 PCB Diagrams 8 1 Top ...
Page 32: ...PCB Diagrams 8 2 Bottom ...