Question about Connex CX-4300HP CB Radio

1 Answer

Keys up monentarly when radio is turned on

Changed mic--no help

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1 Answer

Check the power switch contacts {ie do you get 13.8v at power on or after its fized a bit??? or roger bleep
pa circuit can do this also

Posted on Nov 23, 2014

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Posted on Jan 02, 2017

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1 Answer

Have a 99v was talking one nite talking great turn it off then back on no modulation check and change mics.still no mod.what should i look for ?


Check the mic gain.
Make sure it is not in PA mode.
Make sure the mic jack in the radio doesn't have a broke or loose wire.

Those are a few things I can think of based on the information given. More information is needed if these will no solve the problem.

Does it turn on?
Does it key up?
If it keys up is there carrier?
How many watts is the carrier?
Are there any mods done to the radio?
Does it have a roger beep installed? What kind?
Does it have an echo board install? What kind?
Did you do the mod or some one else?
What is your SWR?
Is the display flashing when you key it?
Are the displays lit at all?
Did you disconnect the power cord after you turned it off, and reconnect it?
What channel are you keying up on.
Was/is the case off the radio when you tried it or were you working on it at the time of the failure?
What mics have you tried.
are you using talk back?
did you some one on another radio tell you they do not hear you, or are you going by no swing on the meter in the radio?
Could the meter be bad?

Jul 31, 2011 | Galaxy Radios DX-99V 40-Channels Base CB...

1 Answer

My radio is a Galaxy DX 98. It squeals when I key up


change "MIC" to a factory,or turn back Mic gain. Mic can short out or may have too much gain(power mics). Use standard dead Mic that was designed for radio. If that does not help,it may be inside radio, wires on MIC connectors need soldered again(make sure they don't touch th eothers.

Apr 23, 2011 | Radio Communications

1 Answer

Radio squeal.


Check it with the external speaker unpluged, turn the mike gain down a little at a time, until it does not squeel. ..hope this helps..

Mar 20, 2010 | Galaxy Radios DX-44V 40-Channels Base CB...

1 Answer

Radio stuck in transmit meter needle is slammed all the way to the right as soon as you turn unit on


Have you recently changed mics ? if so it is wired wrong, if not I would check for a shorted wire in the mic connector or the mic itself.

May 25, 2009 | Galaxy Radios DX- 88HL Base CB Radio

1 Answer

Transmit button on the lapel mic will not key the radio


Two things which come to mind, one would be if the PTT on the remote mic is bad/defective, second would be you are plugging the audio device in with the radio turned on.

If your remote mic is failing, the PTT is a repairable item, as is the cord on most models.

Mar 30, 2009 | Motorola MU21CV (1 Channel) 2-Way Radio

1 Answer

NEED HELP WITH MIC WIRING FOR COBRA 25 LTD ST


1 Shield 2 White 3 Red 4 Black if the radio keys up as soon as you turn it on reverse 3 and 4 I am not familiar with that mic.But the way I actually should have given you the wiring order is as follows:1Shield 2 Modulation 3 and 4 key up I hope this helps.

Feb 18, 2009 | Cobra 25 LTD 40-Channels Base CB Radio

1 Answer

When mic is keyed, TX light illuminates but power meter does not


make sure your s/rf switch is in the right place on the radio is the most common problem i have found

Feb 05, 2009 | Radio Shack TRC-447 CB Radio

1 Answer

Microphone


Hi,

If the radio receives OK and the TX red LED will not lit up when keying the mic, then it is a mic or mic cord or mic connector problem (or pin configuration). Internally to the mic, there is a switch for keying the PTT. This should be check down to the coiled cord to the connector.

If all of the above checks OK, then you would need to check the TX/RX regulator/switching circuitry.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jul 08, 2008 | Cobra 148 GTL 120-Channels Base CB Radio

2 Answers

Cobra 148 gtl


First off check to see if your mic gain is turned all the way down. Second; if you have a power mic is the battery dead ir the volume of the mic turned down. If these check ok, look for a loose or broken audio wire in your microphone, and the connector (both ends can break). I have seen the wires break as far back as 4 inches from the mic head and the connector depending on how the user held the microphone, or pulled against the wire. if the problem is not found to be any of the above I suggest you take the radio to a qualified technician for repair.

Dec 11, 2007 | Cobra 148 GTL 120-Channels Base CB Radio

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