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My CB radio is bust

My radio seems to transmit but not recieve. I live in South Africa and we do not have support for older models. If I can get a circuit diagram I will be able to get it repaired . Can you guys help?

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  • kuduboy Feb 13, 2008

    I have done all thathe usual stuff. After servicing the the antenna the output went from 1 to 5 watts, so that seems to be fine. the model is a General Electric 40 Channel PLL System model 3-5813B.

    Regards kuduboy

  • brian c
    brian c May 11, 2010

    Did you check all of the usual stuff?

    Faulty / grounded / corroded antenna system.

    Squelch is all the way counter-clockwise.

    RF Gain is all the way clockwise.

    If you post the model, I'm sure one of us can find a schematic for you.



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What you could do,is join "CB South Africa" on Facebook,there we buy,swop & trade spares etc!

Posted on Nov 28, 2012

  • glenn pritchard Nov 28, 2012

    what you could do,is join "CB South Africa" on Facebook,there we buy,swop & trade spares etc!


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Check The Microphone Connections In the Plug On Mic wire could be off Or try another Mic. go to look under cobra 89gtl or cobra 1000gtl both have the same board in them.

Posted on Feb 14, 2008


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