Well, there is a lot out here for the Cobra 29,
There's a lot of things that are great about the radio, the main one being it's the Go-To for many people to use.
But it is also one being the most popular, has also the most documentation on various problems with the radio and many solutions on how to fix them.
So, to help you get started - you need some form of a "tune up" guide for your radio.
Unfortunately, the Cobra 29 has undergone several revisions - and changes along the way, so much of what we can provide will only go so far for it's meant more for the OLDER radios than the newer Cobra 29's.
To help, and this would provide a lot of reading, but it might get you up to speed to help know what needs to be done to fix that radio...
One time - long ago, we used to offer - Hey, go here to this site and it has everything you need to know how to get your radio to work...
Now, we don't we (the internet) lost the site to a pay-to-access firewall run by a person that is not the original owner of the data - so in a way it was hijacked and taken away - at least nothing is set up to replace it just yet.
So, All I can provide in our place here, at THIS (our site WWDX) for you to maybe glean enough information on what needs to be done...
Use these threads
https://www.worldwidedx.com/threads/need-help-with-side-mic-cobra-29-ltd-classic.251271/#post-702194
https://www.worldwidedx.com/threads...e-until-it-warms-up.239208/page-2#post-659728
https://www.worldwidedx.com/threads/cobra-29-nw-problem.259823/#post-740762
I just got this radio with tx problem on tr21on collector I do not have voltage on rx on B and E I have 7.8v .mmm. when i tx the mike on collector tr14 and tr 15 read about 35 volts. PC-900AC board
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Lost my green light on TX, is it a possible Transistor? Thanks,,,
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Hello, I’ve noticed that my cobra 29 puts out a little more watts on channel 40 then channel 1. Also channel 40 draws more amps then channel 1. What do I need to do to balance this out? Also on the service manual, the pll alignment section says to check the voltage output but it doesn’t state...
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Well, let's start with a list of the equipment you have and the actual brand and model numbers. This will help us all maybe help you. And welcome to the forum! And although it was over 55 years ago I to at one time had no idea how to adjust anything now the problem I have is remembering...
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Hey gang, so I just got this cobra 29 wx st and noticed that it’s been peaked. Looking in the radio I seen this: D11-cut L14 slug- removed R55-cut R100- cut and a diode added. Does anyone know what this mod is called and if there’s other parts That may have been change, added or removed. Thanks
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I have a Cobra 29 LX LE that transmits fine. It has great modulation. PA works just fine. I have NO signal on the digital S meter and no audio coming thru the internal or external speaker. Not a mic issue. I can hook a signal generator to the antenna jack and hear no audio or signal. I have...
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Hello guys im looking for cobra29 ltd classic p-c 900ac schematic and wiring diagram appericate everyones hard work .
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The best I can do at the moment for you...