Dcs Receiver - Samsung SGH-F480i Service Manual

Flow Chart of Troubleshooting

9-11. DCS Receiver

RF input : CH center freq : +67.7kHz
RX ON
Amp : -50dBm
Yes
C103
>= -53dBm
Yes
C109 =2.8V
Pin1,3,4 = H
Pin2 = L
Yes
C219,C221
>= -60dBm
Yes
Resolder
U200(TRANCEIVER)
END
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No
Resolder RFS101(RF CN)
No
Resolder U402(PMIC)
No
Resolder FEM100
9-16