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14. DCS Transmitter
TXO N (5L evel)
Y es
U 100 Pin5
>= 13dBm
N o
U 100 pin1
>= 13dBm
N o
U 101 pin11
>= 13dBm
N o
U 101 pin1
>= 15dBm
N o
U 108 pin5
>= 12dBm
N o
U 101 pin5, 6, 7, 8
>= 500m V
N o
C heck U 200
E N D
Y es
R esolder C N 100, C 108
Y es
Y es
Y es
Y es
R esolder R 108, R 110, R 111
Y es
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SG H- X100 F low Chart of Troubleshooting
C heck U 100
pin8 = L ,
pin4 = H(2.68V )
N o
R esolder C 118
C heck U 101
+V B A TT, pin4, 7
O K ?
N o
C heck U 103
pin4, 22 >= 2.7V
O K ?
7- 19
Y es
C hange or R esolder U 100
C heck A N T Switch
control circuit
Y es
R esolder or C hange U 101
C heck +V BA TT or PA M
control signal
Y es
R esolder U 103
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