Question about Cobra 29 WX NW ST 40-Channels Base CB Radio

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Cobra 29 LTD classic LCD channel display replace

I`ve got a new cobra 29 LTD classic, I would really like to replace both the lcd channel display, and the meter light to a different color. Have quite a bit of backgroung in auto wiring repair. Is there any info on this procedure that you know of, or is it pretty straight forward.
I`d take it to a shop, but there`s none local, I`d have to ship, heard too many horror storys

Posted by on

  • dulak Nov 05, 2008

    Guess I`ll just leave it as is.But I appreciate the advise, and help. Do you still do this work, should I decide to send it out

  • dulak Nov 05, 2008

    Take care of yourself, I`ll leave it as stock I think. Thanks for your help

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Hello, the channel display is kind of touchy, as far as getting to it and of course it is soldered to a small circuit board and there is a certain way it goes back in. There is about 9 legs on top and 9 on the bottom that need to be unsoldered and resoldered( carefully). You can buy them in red,green, and bue. The meter light is pretty straight forward. You have a hot and ground wire. I used to use colored LED lights in the meters, way cool. They are not hot, and they last almost forever. The LED's are fairly easy because if you hook it up backwards, it just won't do anything. Let me know if you feel comfortable doing the solder work, and take a look inside the bottom cover at the channel selector because it has to come out with the channel readout. I used to charge $25.00 just for that because it would take me an hour just for the ch. selector, and about 15 min. for the meter light. Let me know one way or the other,,, Mechanic

Posted on Nov 05, 2008

  • Mechanic688
    Mechanic688 Nov 05, 2008

    Hello, I had to close my store due to health problems, this last year I've been in and out of the hospital twice. The second time was for 2 weeks. I have been doing a little light work on radios here at home, for my regulars that would just not leave me alone. At one time I had a radio shop in Iowa sending radios to me for repair, thru a regular driver, and my shop was in northern Indiana. Aw well, the good ole days,,, Mechanic

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I have a cobra 25 ltd my cb receive great talks great but my meter doesnt move what is the problem

Posted on Jan 31, 2010

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You can change the channel display yourself, it's not that big of a deal. as long as you are comfortable taking your radio apart and doing some soldering. I did mine the other day in about 30 min.

Posted on Dec 08, 2008

  • cbradio Dec 08, 2008

    the only certian way about putting the display in is to make sure that the small dots on the display are facing down, indicating the Bottom.

    You can also easily change the SWR meter light with an LED. You can go to Radio Shack and buy you choice of colored LED and appropriate resistor A 5v 30ma LED needs a 270ohm resistor to be able to hook it up to 12v. You can look up an LED resistor calculator online.

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Check TR22 which is a 2sc1957 transistor mounted on side of case near heatsink for driver and final, left rear with speaker cover removed. Make sure the legs are not contacting case. Then check resistors R115, R116, R117 for open circuit and C133 for continuity.

I figure that 2sc1957 transistor is shorting to case or failed. A 2sc2314 is a sub for this transistor.

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"WILDCAT" IN LAURELVILLE OHIO
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there are a whole bunch of channel displays on ebay that will work with your radio.

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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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29 help


hi, sounds like you have a problem with the SWR' S Probably too high. Tumbleweed01

Mar 12, 2008 | Cobra 29 WX NW ST 40-Channels Base CB...

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