Question about Cobra 29 LTD CB Radio

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Radio sounds like ****

The radio used to put out good, but now people ask me what is wrong, like I'm in a well. When I key up the needle doesn't move, because it stays about 3/4's of the way over anymore. I can tap on it and it may move and it may not. I also used to be able to here a driver talking for about 5 miles, now I'm lucky to here them after they have passed me going the other way. My coax wire has cracks in it, maybe water getting in? HELP ME

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If your coax has cracks in it may be grounding out too.as far as you not being able to talk great distances you need to get your standing wave checked will to bet its set too high (coax and antanae problem) simple thing to try is new coax and antanae

Posted on Aug 23, 2008

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Trying to setup a cobra 29ltd chrome. Put on channel 20, switch set on cal, keyed up the mic, and when I turn the swr cal knob the needle won't move. Magnetic ant with acc outlet for power Any ideas


First, make sure that the CAL/SWR/RF switch is set to CAL. If you still can't move the needle, check the RF output. If the needle moves to the far right, you at least have output power, and something is wrong with the SWR circuitry. Does the needle move with incoming signals?? If the needle doesn't move, then you either have a damaged meter. If the needle moves on rec eived signals but not when you transmit and the switch is set to RF, then you most likely have a damaged transmitter output stage.

Oct 01, 2016 | Cobra 29 LTD CB Radio

1 Answer

Cobra 29ltd turns on but no sound afterwards, not even when I ask for a question the needle doesn't move after I ask the question, installed in a freightliner cascadia


I guess i will have to ask you the most obvious things. Do you have a suitable antenna connected? The needle moves on receive in most cases, not transmit. A watt meter will help you know if you are transmitting.

Aug 21, 2016 | Cobra CB Radios

1 Answer

Red lights come on ex and antenna come on when I key up the cb radio and the awe meter doesn't move


Sounds like high swr. If using a mag mount antenna; check for a proper ground by cleaning the antenna base and the place where you put the antenna. Any other antenna; check the place where the whip goes into the coil at base of the antenna. Make sure that antenna has good ground. Check continuity of the pl259. Make sure there is a good connection and no opens or shorts. Hope it helps.
Tom

Jan 13, 2013 | Cobra 29 LTD CB Radio

1 Answer

Got a connex 3300HP has a ranger board and chipset won't modulate recieves fine keys up relay clicks needle doesn't move no voice either cant find schematics


You may have a dead meter.
Modulation is audio's affect on swing wattage or pep. Notice that needle moving more with your voice.
Dead key or carrier wattage is without your voice enhancing the power only with mic keyed.
I can only assume that the chipset you are referring to is an ic chip audio or pll which must be working if you are receiving audio.
Check your mic cord................ transmit and modulation and even your receive volume can be affected by the cord/mic plug solder joints or broken wires here.
http://www.cbtricks.com/radios/galaxy/dx33hp2/graphics/dx_33hp2_sch.pdf this is a similar radio the General Lee, Connex 3300hp and Galaxy hp2 share boards i believe dont hold me to that thou.


Aug 20, 2011 | Connex 3300 240-Channels Base CB Radio

1 Answer

Whats wrong when I key my mike the needle doesn't hardly move?


Hi,my name is John. Welcome to FixYa. Check your SWR, if it is ok, then it probably is nothing wrong with it, just needs to be calibrated. Thanks for choosing FixYa...John

Nov 22, 2010 | Galaxy Radios DX-33HML 40-Channels Base CB...

1 Answer

Cobra 29 nw when you key the radio the swr meter doesnt move and if you move the swicth to cal you can adjust it with out keying the mike but has good recive any help would be good thanks dwayne


To check the SWR, you put the swicth on CAL and key the mike with mike gain turned down all the way,then calabrate it to the meter on the CAL scale,then swicth it to SWR before you unkey the mike, then what ever the needle falls back to, that is your SWR reading.

Apr 26, 2010 | CB Radios

1 Answer

When I key the mic the needle on the meter does not move I have power to the radio and the mic is new


Try putting it on cb not pa,see if you hear other people talking,now try it.....could be the mike is not wired right,or bad meter..Put it on channel 19,ask for a radio check,if someone answer,s you its ok, maybe meter not adjusted...hope this helps..

Feb 28, 2010 | Cobra 29 LTD CB Radio

2 Answers

My Meter Won't Move


weather can effect your meter .Those meters are not very accurate just a base line get a good swr meter and then check it.If your getting good radio checks it could be the potentoimeter is dirty . Radio shack sells contact cleaner and lube try cleaning it . That might help

Jan 08, 2008 | Cobra 29 LTD CB Radio

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