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Flow Chart of Troubleshooting
3-20
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3-7-3. DCS Receiver
Continuous RX ON
RF Input : 698 CH
AMP : -50dBm
NORMAL CONDITION
Catch the channel ?
YES
NO
U701 Check
Pin #14
≥
-55dBm ?
U701 Check
Pin #15
≥
-55dBm ?
U700 Check
Pin#34,35
≥
-55dBm ?
Check antenna contact
U701
Resolder or Change
U701 Resolder or
Change
THE END
NO
NO
YES
YES
YES
Check the path of U700
and U701
NO