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  1. R

    Need help with side mic cobra 29 Ltd classic

    Thanks loose cannon, I’m able to to trace rf/ 27mhz from pin 7 of ic3 to r62. I loose it right there. I’m about to pull my hair out from messing with this thing. When I hook my rf probe to r61 I get nothing I am not able to peak l20. I have pulled both r62 and d14 they are both good. And r62...
  2. R

    Filter Cap question.

    In some YouTube videos I’ve seen people put 3300uf electrolytics in cobra 29’s and similar radios, on the dc power jack... but on the rest of your questions i can’t help you.
  3. R

    Need help with side mic cobra 29 Ltd classic

    I’m still grasping at how all this stuff works, and how all the parts work together. I did make a small discovery. On pin 1 ic3 I have 17.755mhz on pin4 10.240mhz and on pin 8 27.255. I’m still struggling on tracing the signal. I feel like it’s close to working though... if only I actually knew...
  4. R

    Need help with side mic cobra 29 Ltd classic

    Thanks for your help Andy, the schematic I have been looking at is euro radios redraw from cb tricks, it’s the easiest one for me to try and interpret. I haven’t really had a chance to mess with it any since yesterday morning. Other than I got the rf probe built now
  5. R

    Trying To Do The VFO Wind Up Cobra 29 Chrome Help Please

    You need to listen for it on usb on another radio in the same room then you can hear it. This is how I did it on my 2007 29ltd and it works. Feel free to laugh lol.I wired it to the cb/pa switch. I like so many others, wanted to just see if it works. Apparently there are people out there...
  6. R

    Need help with side mic cobra 29 Ltd classic

    To answer your questions Andy, I unfolded that cap, and yes there does appear to be a varactor present, and every single electrolytic capacitor in the radio has been changed by me. Where there was 6.3 and 10volt caps, I put in either 16volt or 25v. I did not mess with any of the values, for...