Hi everyone! I have a problem with my Cobra 29 LTD ST. There is very low output audio and squelch doesn't work. All other functions are OK, I think so. Receiver is OK because I can hear other stations but it's with very low volume. Squelch doesn't cut signal at all. The same situation is in PA mode - when I'm speaking to mike output volume is very low too.
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Welcome to FixYa. My name is John, and I will be assisting you with your issue today.
It does not have to be the same part number as the original one! I just fixed one
today with the same problem. If you have any old radio just laying around with an on/off
volume control in it, that will work just fine! Just make sure its not bigger knob wise.
You will probably have to remove the face plate to get to it. I some how worked around mine.
Just mark the wiring when you remove them, so you will know how to replace them. Easy job!
Hope this was helpful to you. Your Comments and Testimony's are always welcome here.
Thanks for choosing FixYa today and in the future.
Initially, pls a couple of ideas you may want to consider/explore or try/check:
PA/CB switch must be to CB;
RF Gain max clockwise;
Squelch counter clockwise;
Volume to your desired level;
external speaker/speaker connection;
audio amp, verify if there is TX modulation;
antenna, antenna cable. SWR should be low.
Good luck and Thank you for using FixYa. Happy New Year.
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Open the component / speaker side cover on the radio, adjust VR3, this is the alignment control for the squelch. Set your squelch control knob on the front of the radio to about 10 o'clock and slowly adjust VR3 until the signal from the speaker is mute.
When you turn the squelch back to the 0 position, you should have signal with no squelch as in normal operation.