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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
7-38
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7-4-3. DCS Receiver
C1231
>= -60dBm
Resolder U1201, C1208
END
No
Yes
RX ON
RF input : CH center freq
Amp : -50dBm
Check U1202
pin4 = H, pin6= L
C1221
>= -65dBm
L1106
>= -75dBm
C1144
>= -70dBm
Check SPDT
control circuit
Resoder U1202
Resolder DUF1200
Yes
Yes
Yes
Yes
No
No
No
No
Check U1102
Resolder F1100
Yes