User Guide

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SGH-E100 Flow Chart of Troubleshooting
7-19
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13. DCS Receiver
MODULE1 pin5
>= -65dBm
Resolder CON201, C210
No
Yes
RX ON
RF input : CH center freq : +67.7kHz
Amp : -50dBm
Check MODULE1
pin8 = L, pin4 = L
MODULE1 pin11
>= -65dBm
F102 pin2
>= -70dBm
U100 pin6, 7, 8, 9
>= 1V
U100
pin38 >= -70dBm
pin39 >= -70dBm
Check ANT Switch
control circuit
Resoder MODULE1
Resolder F102, C106, L110
Resolder C107, C108, L109
Check & Resolder
U100
RF26MHz, RF PSU Part
R123, R125, R127,
R128 >= 1V
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
END
Check U504