Question about Cobra 29 LTD CB Radio

2 Answers

I have no reciving in a cobra 29 ltd chrome

I recive too low i have not static noice, the mic is good, the sound stage is good, but when i put the switch pa/cb on pa i can recive, the transmit is ok do you have any idea.

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  • frank cedeno May 10, 2008

    thanks dodgem250 .........but i find the problem.........the wire ground on the plug was broken, i replace and the redio worked fine again.........anyway,,,,,thaks a lot for you help.



2 Answers

New. has lots of land noise. needle in red. cant recive, told it transmit ok. put in new truck. Replace radio, same problem.

Posted on Jun 06, 2008

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Bad switch. It's that simple. The factory switches are crimp together junk. You may be able to use a pair of needle nosed pliers to softly squeeze the case of the switch together to correct the poor contact in side of the switch, but, if it gets a lot of use you may need to replace it altogether. Or try adjusting


Posted on May 10, 2008


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Related Questions:

1 Answer

My cb radio will recive but will not let me talk out wat could be wrong mic has been tested and is good

The only other area is check the RF out transistor "usually heat sink-ed to the chassis" check for open traces on the circuit board, bad solder joints and the RF preamp transistor that is located close to the RF out transistor, If they are open or shorted they must be replaced.

May 21, 2011 | Cobra 29 LTD CB Radio

2 Answers

Does the rx/tx green light stay on all the time? Cobra 29LTD

Yes the light will stay on and change when you key the mic

May 07, 2010 | Cobra 29 LTD CB Radio

2 Answers

When i click the mic i get no transmit

If the receive works ok,sounds like a mic
problem,try another mic if you can find a
buddy who has a Cobra that may let you
try it most all Cobra mic will work but not all.
Good Luck

Sep 08, 2009 | Cobra 29 LTD CB Radio

2 Answers

Cant recive from than 100 ft away new antennae still nothing

I suggest that the radio needs to be realigned to receive. If the radio has been dropped or banged in any manner this could have caused your problem.

Jul 09, 2009 | Cobra 29 LTD CB Radio

1 Answer

I don't have voice, have carrier. Cobra 29 ltd

there are several things that might be responsible for the absence of modulation when speaking into the microphone. a defective mic cartridge, a broken audio or audio shield/ground wire in the mic cable or mic plug or a defective push-to-talk switch in the mic itself, for starters. if all is well here then the amc and transmitter speech stages in the transceiver will have to be considered next. locate and check with a known good mic wired for the radio in question. let me know.

Jun 06, 2009 | Cobra 29 LTD CB Radio

1 Answer

Modulation sounds bassy!!!

first change mic ,maybe the problem are in this mic ,second if the mic is ok verify all capacitors in the modulation near of this ic ,if all are ok change the modulation ic and change it, i hope this help you

Apr 12, 2009 | Cobra 29 LTD CB Radio

1 Answer


Possible break in your mic connector. Take it apart and check the wires on the pins.

Aug 13, 2008 | Cobra 29 WX NW ST 40-Channels Base CB...

2 Answers

Not reciving sound

Hi all,

Agree with Nitrostrike and sharcnet (though I beg to disagree on the audio output stage - there's TX + modulation asking for a radio check).

With their indulgence and if I may add, could also possibly be the mic. You can try shorting pin 4 to the chassis ground to see if the audio will come out. If yes then its either the mic ptt switch or the coiled cord.

Good luck and kind regards to all.

Feb 10, 2008 | Cobra 29 LTD CB Radio

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