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SGH-S400i Flow Chart of Troubleshooting
2-
34
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2-2-3. DCS/PCS Rx
Continuous RX ON
RF Input : 650 CH
AMP : -60dBm
NORMAL CONDITION
Catch the channel ?
Yes
No
Check the RFS100
Pin #3 ≥ -65dBm ?
Check the DUF100
Pin #6 ≥ -65dBm ?
Check the UPL101
Pin #43 ≥ -65dBm ?
Check antenna contack
Resolder or Change
RFS100
Check the C101 and L107
END
No
No
Yes
Yes
Yes
Check the
L104 and C123
Check the DUF100
Pin #13 ≥ -65dBm ?
Resolder or change
DUF100
No
Yes
No
DCS or PCS ?
PCS
DCS
Yes
Check the UPL101
Pin #1 ≥ -65dBm ?
END
Check the
L103 and C119
Check the DUF100
Pin #11 ≥ -65dBm ?
Resolder or change
DUF100
No
Yes
No