Question about Cobra 19 DX IV CB Radio

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Cobra 19 dx iv cb tries to come on but wont - Cobra 19 DX IV CB Radio

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Crack in the pcb board ?bad wire somewhere.? main IC not powering things up.

Posted on Sep 01, 2014


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Cobra 19 DX IV CB Radio Gets no signal at all

my only idea is the frequency that Canadians transmit/recieve on is different than us down south (in the USA). I know Europe and the UK use a different frequency range so my guess is that Canada uses a different radio frequency range than the U.S. making you unable to communicate with fellow radio users. You may be able to search the frequency range for Canada vs. the U.S. and see if there's a difference. Hope this helps...and again, it's just a thought.
Montana, USA

Posted on Jul 17, 2008

  • 16 Answers

SOURCE: 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.

Posted on May 27, 2009

  • 773 Answers

SOURCE: My cobra 19 dx

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

  • 1851 Answers

SOURCE: my cobra dx 19 CB does it have to be grounded

YES you must have the power plug for ground at a minimum. The antenna must also be working properly. The out side of the CB case doesn't HAVE to be grounded but it is better over all if it is.

Posted on May 08, 2010

  • 773 Answers

SOURCE: how to set up the cobra 19 DX IV CB Radio

first keep the manualhandy for the radio and antenna you are using. start by finding a good mounting point for the radio. install the bracket and cheeck the fit with the radio. next run the included power cord from the back of the radio to the fuse box. don't plug it into the radio yet. take the black wire and ground it to metal. try to find a screw goofyinto the metalof the car and loosen it, wrap the wire o. it and tighten it. next find thefuse for the stereo. pull it out and press I back inwith the red wire getting pushed into the fuse socket with the fuse. now you can plug in the radio. IMPORTANT! do not plug it in backwards. if you do you will blow out a diode in the radio and it will not turn on until repaired. turn the key on and then the radio. make sure it powers up BUT DO NOT KEY THE RADIO YET or you will damage it. the radio must never be keyed withough an antenna connected. mount the antenna as close to center of the car as possible le and according to theantennas instructions. run the coax to the radio and connect it tightly. now you need to tune the antenna for best SWR. there is a section in the radios manual and the antenna.manual that explains how to do this. rather then me type it all out you should have detailed I.structins already. if not know and I will ppart it. after the swr is tuned for lowest you are ready to talk on the radio. enjoy.

Posted on Aug 01, 2011

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