Question about Cobra 19 DX IV CB Radio

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My cobra 19 dx

My CB squeels real bad and goes back to channel 9 when i try and adjust my squelch. Can you help me?

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Some times knobs go bad. I have a funky knob on one of my radio's. When ever you wiggle the knob it just makes awful noise.

If this is a similar problem, you can try to clean the knob with electrical contact cleaner.

If that doesn't work you my have to replace the knob.

As for the switching to 19, it could be a byproduct of a short in the knob.

Posted on Oct 03, 2009

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1 Answer

Is channel 9 an official emergency channel?


The FCC has designated channel 9 as an emergency contact channel. With this being said, channel 9 is only valid in the United States, while other countries do not have an officially designated emergency channel that I am aware of.

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check the frequency,these radios are good for the money,but drift off frequency,try different channels and see if that helps

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What do i set to get channel 19 to talk to truckers


Hello terry,
Welcome to FixYa.
My name is John, and I will be assisting you with your issue today.
Turn your unit on.
Set the channel selector to channel 19.
Turn your RF GAIN to MAX.
Turn your MIC GAIN to MAX.
Turn your SQUELCH all the way to the left.
Then key the mic and talk to them and enjoy.
Hope this was helpful. Your Comments and Testimony's are always welcomed here.
Thanks for choosing FixYa today, and in the future.

John

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I have an older cobra 19 dx the mic cord got pulled out its a 4 pin ther is a purple,red,black with yellow and a bare wire i would like to know wich one goes where?


On the Internet search "Cobra 19 mic wiring" and you'll get lots of hits with wiring instructions for various mics used on that radio. You will need some soldering skill to put it back together. Also use shrink tubing to seal it up afterwords so no unshielded wires appear outside the wire clamp. There are lots of compatible 4-pin Cobra mics at CB shops and truck stop shops.

Feb 19, 2011 | Cobra 19 DX II 40-Channels Base CB Radio

1 Answer

Will not stop jumping channels, back to 9 and 19 when on another chennel


Check the 9/norm/19 button is not stuck in. If it isnt and you are not bumping the button somehow then the radio if faulty, return it under warrantly or take it to a competent technician for repair.

Dec 07, 2010 | Cobra 19 DX IV CB Radio

1 Answer

My Squelch on my Cobra C.B isnt working anymore, Does that mean anything or do i need a new C.B?


It means either the knob or something in the squelch circuit has gone bad. Doesn't mean that you cannot use the radio, you will just hear static all the time when no one is talking. If the static bothers you, you can always back the RF gain down a bit. That will quiet the noise, but lower you receive range. meaning you won't hear as far away.

Nov 14, 2010 | Cobra 19 DX IV CB Radio

1 Answer

Just hooked up my cobra cb radio with attena and cant hear anyone on any channel? is my cb working properly? is there a channel that is always hot to test if it works?


CB channel 19 is one of the most frequently used; it is unofficially designated as a "highway information" channel. It is not always hot, however. It is possible you may have your squelch control set too high. If you cannot even hear static, this may be the case. If you can, the channel may just be empty. Try scanning up and down the band until you find something.

Jul 02, 2010 | Cobra 19 DX IV CB Radio

1 Answer

Cobra 19 DX IV out of frequency


I would definitely take it back for a re check. If the radio took a good bump perhaps it can cause it to drift off frequency. Turning the channel while holding his mic keyed does nothing but just throws a dead carrier. No value what soever. RF Gain is just to improve his reception by either lowering or raising the sensitivity of the receiver of the radio. Squelch is to silence the hissing sound you hear when no one is talking. Care must be taken to not to adjust too much or you wont hear anybody. It wont help his transmit audio at all. Recommend you get another Radio Check from someone else. He could be pulling your leg saying you don't sound good. Best regards and hope this helps some......................John.

May 27, 2009 | Cobra 19 DX IV CB Radio

1 Answer

Squelch control on Galaxy DX-2547


You may have a bad transistor or detector diode that feeds the squelch circuit.If you can read a volt meter and Ohm Meter, and can solder ( Make your own repairs ) you may want to call Galaxy as the Techs there are normally very helpful.
Good Luck
Ed
NC Electronic
Mills, Wyoming

Nov 20, 2007 | Galaxy Radios DX-2547 40-Channels Base CB...

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