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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Cobra 29 LTD LX LE vr pots


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Cobra 29 ltd classic: i can hear other cbs but can not transmit out also the light is out on the meter


The most likely cause broken wire in mic a nice Roadking 56 would be a nice addition with better audio than factory mic.
The meter light is unrelated they burn out and can be replaced without replacing meter. Different colors and rainbow lights that chenge if you prefer. I find them annoying.
Good luck
Cobra Highgear mics are sold in Pilot truckstops that is a cheap replacement. There are the versions basic,noise cancelling and power mic. The power mics are for stock unmodified radios and will mostly squeal on a tweak radio from cb shop.
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Have Cobra 29 LTD Classic, no sound when hooked to antenna, no light or meter movement on the RF/SWR meter, DOES have power to radio and channel display, any tips to repair, or check for problem areas?


check the squelch by turning all the way both ways. check the external speaker socket. if it is the swicthing type it could be either bad conntact or dry joints. try an external speaker to see if that works. another thing is I believe it wont work if the microphone is not pluged in or connection fault there. Good luck.

Jul 25, 2010 | Cobra 29 LTD CB Radio

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29 LTD CB Radio: Calibrate cb radio...


The CAL is to calibrate meter for reading SWR (standing wave ratio) which is reflected power when transmitting back to receiver(radio) from antenna system.
This CAL switch position when selected and mic keyed uses the CAL knob to align the meter needle with inverted red triangle next to cal on meter. Then when you select SWR switch position meter will display accurately when mic is keyed for that channel. Now notice the difference when you go between channels 1 and 40. The ant led light will act as idiot light if it is not lit then you are most likely safe to transmit.
I say system because your vehicle, antenna and coaxial cable are all part of this system. When you have a high reading and have to trim you antenna this is really calibrating the antenna to the vehicles body which acts as a ground plane.

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Lights dont work and makes bad noise over air


Your problem does not seem to be specific enough fo me, when you talk about the "board." The first thing I would suggest is to make sure the power going to the CB is clean, like from the ignition or directly from the battery, that may eliminate the noise. On the color change issue, I can suggest one of 3 things, open the case and replace the light unit, live with it, or replace it. Overall, I would say if you do need to change the board you were talking about and would need a tech to do it,along with the light issue, it may be best to move on, and purchase a new or used unit.

Feb 26, 2009 | Cobra 29 LTD CB Radio

2 Answers

Cobra classic 29 ltd


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.

Dec 04, 2008 | Cobra 29 LTD CB Radio

1 Answer

Cobra 29 Ltd


Hi,

Appreciate the direct "Ask Me" again.

The initial posting would still hold true, best would be:
  • remove TR18;
  • replace 2SC2069 with 2SC1969; and
  • adjust L12, 13 & 14.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

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2 Answers

Codra 29 nw ltd classic


For the money,the Cobra 29 nw/st is just as good if not better than a Galaxy. Cobra is more durable by far. I have had 3 of these cobra's in the last 30 years. Only had to replace the last one because the tractor got hit by lightning.
Sure would not pay big money for a name.

Mar 19, 2008 | Cobra 29 WX NW ST 40-Channels Base CB...

1 Answer

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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