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Cobra 29 xlr

I bought this at a garage sale for my semi.I have never had one of these and have no idea what all the switches are.Is there anywhere i can get a manual for this so i can use it?Please let me know..thanks

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Re: cobra 29 xlr

Hello peppersdad,

This site should offer help

Posted on Nov 22, 2007

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Cant find vr4 on my cobra 29 made in vietnam

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Jun 20, 2012 | Cobra 29 LTD CB Radio

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Bought a new cb and installed it in a semi truck I recently purchased with twin antennas and doesnt seem to receive or transmit very well

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Feb 05, 2011 | Cobra 29 LTD CB Radio

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I can occasionally hear people talking on my cobra 29ltd classic but it is hardly ever clear and i dont think they can hear me.any suggestions?

Sounds like you need a tech to "ALIGN" your radio! I have one of the same radios I bought at a yard sale last summer. I just haven't taken it to a tech yet. I have to many radios! lol

Dec 29, 2010 | Cobra 29 LTD CB Radio

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Need to locate a power cord for a Cobra 29 xlr.

eBay sells them. They cost more then they are worth but you want your radio working???

Dec 10, 2010 | Cobra 29 LTD CB Radio

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I bought a Cobra 29 LTD Classic and i hooked it up no problem and when i turn the speaker up, it cuts out at a certain point, i believe the speaker is gone or blown and i should get an external PA speaker?...

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Sep 03, 2010 | Cobra 29 LTD CB Radio

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Cobra 29 LTD Classic not transmitting or receiving

ant. light should only come on if you have a high vswr a bad thing did you check that cb/pa switch is set to cb check your swr this is not a good place to mount ant. as it is close to metal of back of cab

Dec 20, 2008 | Cobra 29 LTD CB Radio

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Cobra 29 is one channel off, ch 7 is on ch 6 and so on

The radio needs to be tuned.  This should only be done by a licensed repair shop.  You will spend less money taking it to a shop than you will buying testing and tuning equipment needed to do it yourself, which would void the warranty.

Dec 11, 2008 | Cobra 29 LTD CB Radio

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Cobra 29 LTD Classic not transmitting or receiving

As I understand from a tech friend of mine, most truck beds are not grounded well enough. Perhaps you could borrow/purchase a magnet mount antenna and locate it on the roof, for testing. Then you would have it narrowed down to the location.

Dec 05, 2008 | Cobra 29 LTD CB Radio

1 Answer

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To my knowledge and depending on what board your Cobra 29GTL used, R46 is 47ohms dropping resistor after the switched 12V. Its output is then filtered by C20, 100uF/16V. While it is true that a shorted C20 would burnout R46, the issue is most likely a shorted FET2 (P/N 2SK104H). Should FET2 proved to be shorted, then it is very possible also that inductor/coil near FET2 is defective (LT-A108?).

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.

Aug 15, 2008 | Cobra 29 LTD CB Radio

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