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Flow Chart of Troubleshooting and Circuit Diagrams
3-27
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3-2-3. DCS Receiver
YES
U802 Check
Pin #3,4
≥
-55dBm ?
D800 Check
Pin #14,15
≥
-55dBm ?
U600 Check
Pin#34,35
≥
-55dBm ?
Check antenna contack
U802
Resolder or Change
D800 Resolder or Change
THE END
NO
NO
YES
YES
YES
Check the path of D800
and U600
NO
Continuous RX ON
RF Input : 698 CH
AMP : -50dBm
NORMAL CONDITION
Catch the channel ?
NO