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Flow Chart of Troubleshooting
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9-37
9-14. DCS Receiver
RX ON
RF input : 698CH
Cell Power : -50 dBm
Yes
No
Resolder RFS100
C100 ≥ -65dBm
C115 > 1.2V
C110 > 1.2V
C111 > 1.2V
Yes
Check UCP300
No
Yes
C108 ≥ -68dBM
No
Resolder PAM100 or Change PAM100
Yes
Yes
No
No
Check UCP300
U201 PIN
11,12,13,14 ≥
500mV
C109 ≥ -71dBm
END
Yes
Resolder F100 or Change F100
Check U201
Summary of Contents for SGH-F490
Page 79: ...8 PCB Diagrams 8 1 1 Main top ...
Page 80: ...PCB Diagrams 8 2 2 Main bottom ...
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