Question about Cobra 25 LTD 40-Channels Base CB Radio

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Transmissions I have the cb hooked up and the needle will jump for incoming and outgoing transmissions but there is no sound coming in or going out. The speaker looks fine it pops when power is put into it.

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  • JackD23 Jul 15, 2008

    it will make a break sound on the recieving cb but no voice. no sound on my cb just the needle going.

  • JackD23 Jul 21, 2008

    what would be the best way to fix that if it is possible?

  • JackD23 Jul 23, 2008

    thank you vey much i appreciate it


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Likely cause id the audio output circuit, centered on the TA7222AP integrated circuit.

Posted on Jul 20, 2008

  • David Eisenberg
    David Eisenberg Jul 22, 2008

    This isn't likely to be something you can do yourself. Take it to an
    experienced CB repair shop & have them diagnose the problem. If
    it's the audio IC it won't be cheap to replace. Be sure to bring your

    If you live in or near northern NJ, the best place to take it is in Wanaque.


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HI, i have had my radio for a couple years know. I just installed it into a new truck i purchased. People can hear me when i key the mic up and the meter gauge is jumping when they are talking back. but i...

Well there are a couple things that could cause this.
  1. First check your RF gain knob and turn it all the way to the right. It could have made its way turned to the left during the move.
  2. The next thing you want to do is try a different mic. On these CB's the transmit is wired separate than the receive. So if the receive mic wire has come lose on you mic or CB then trying any 4 pin mic will help determine if this might be the problem.
  3. Should the mic change not solve the problem then I would open the radio and with a magnifying glass look for bad soldier joints on the mic adapter or any wires that may have come loose.
Due to the fact you have confirmed your transmissions are being received thesse are about the only two things it could be.
Regards, Tony

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All transmissions come in fine but screams when going out.

Hi jeremy, my name is John. Welcome to FixYa. Try a different mic. Reply back to me, maybe I can understand what problem you are having a little better.........John

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I lose signal, I get no white noise or anything.

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Had fixed the same problem yesterday. My cobra worked when it wanted to, when it didn't it looked like you explained. I found out that on my cobra the blue wire on the mike connector was broken. When it disconnects, no sound. after soldering, everything works fine.

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1 Answer

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