Question about Galaxy Radios DX-48T Base CB Radio

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My mic cird broke where it goes into the connection so i need to solder a new end onto the cord could somone tell me which wires go to which pins

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  • Melanie Rogers May 11, 2010

    What kind of mic are you using?

  • Melanie Rogers May 11, 2010

    what kind of mic are you wiring?

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Could you please tell us what kind of mic this is?

Posted on May 08, 2010

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1 Answer

When I key the mic up it turn off and then comes back on


Have you tried to look at mic pins where the mic connects to radio?. it will be at the end of mic connection..look in there and see if the copper pins have spread apart. you will be able to tell by looking at the other pins. if one is spread apart it wont make a good connection and shut things down. be sure when you screw this back on to radio it is tight., if you dont have copper pins just straight pins check to see if the straight pins are not loose. if they are you will need to solder them back tight.other than that it could be your radio..hope this helps.

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Have you tried another mic. First guess microphone wire broke or broke solder for audio wire in mic jack at mic cord.

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I have an audio technica wireless mic with the 4 pin connector. We have purchased a new lavalier mic but are still having trouble with tge mic maintaining a connection. It keeps cutting in and out if you...


Mic plug has been replaced (new lav mic) so that leaves the mic jack connected to the body transmitter. Corrosion is a possibility...

Radio Shack tuner cleaner http://www.radioshack.com/product/index.jsp?productId=12784986

but I think it's something to do with the mic jack on the transmitter. Some units solder these connectors directly to the internal PC board and after a while, the solder connections break. Have a tech open it up and closely inspect the input jack's solder pads.

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Broken green pin on logitech x230 can this be replaced


if the green pin is what plugs into your computer, a traditional, headphone 1/8th inch headphone jack, it can be replaced, however there is some soldering involved. Radio shack sells the replaceable ends for just a couple dollars. the only problem is knowing which wires to connect to which points on the new end. i would have to see the wire with the insulation stripped off to be able to tell you which are which

Oct 18, 2012 | Logitech X-230 Computer Speakers

1 Answer

I have a DX98VHP that sounds like the PA is staying keyed up when I unkey the radio. It makes noise on receive and meter showes about 8 s-units. When it does this I can turn the power off and it still...


Your mic has a series of contacts which cut off the speaker before you transmit and activate the transmitter. If the mic has screws holding it together. With the radio power off. Open the mic and check the spacing between the contacts if it is not enclosed. Some are sealed in a casing. You want to verify that the contacts are not sticking or too close together allowing other functions to stay on.

If you cannot check the contacts. Unplug the mic connector. Get a copy of the mic wire functions and use an Ohm meter to verify that the speaker leads disconnect when the mic button is keyed. It should read "0" when the mic button is pressed. If not, then there is a problem in the mic button switch and you will need a new mic.

Carefully inspect the mic cable for wear breaks. The wires inside are easily damaged when the shielding is damaged. Cables can be repaired. Be sure to slide on two to three shrink tubes to cover the repair job when done. Slide on the tubes and heat them one at a time to create a good protective shield for the wires. This involves several solder connections which will need a small shrink tube on each wire solder. Electrical tape can be used but it will end up a large bulge in the cable afterwords. This should be considered a temporary repair since the strength of the mic cable will be compromised. Stretching the cable afterwords can result in a wire break.

Next check the connector where the mic attaches to the radio, Often there are two small screws which can be removed so you can check the wire connections. A lose wire may be making contact with another contact when the mic is moved around allowing the speaker to stay on during transmit. A small lose strand of wire will account for the noise. After a lot of use the contacts in the plug can become lose if you frequently stretch the cord pulling on the connector. If it is the problem make a note of the wire positions. Then remove the leads with a solder iron. Be careful not to overheat the small metal post as the posts are seated in a plastic mold which can be damaged when overheated. Slip shrink tubing onto the mic cable. If the clamp was not very snug use more than one piece of shrink tubing. Cut off the bare ends and strip back about a 16th (just enough to solder back on). Re-solder the fresh wires to the pins. Over time the wires going into the solder weaken and break. Make sure there are no lose wire strands which could touch another pin. Slide down the shrink tube as far as possible and heat with a match or lighter. Re-attach the clamp so that it holds the cable snugly.

If the problem is not in the mic switch, cable or connections, you will need to take the radio to a technician.

You can also check for mic related problems by using a known good mic. However it should be for the same model radio. Pin numbers and configurations vary between radios, even the same brand of radio. Just because it fits the connector does not mean it will work properly and can even damage the radio.

Mar 01, 2011 | Galaxy Radios Microsystems DX98VHP CB...

1 Answer

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

I have a CTK-518 Casio Keyboard unit, second-hand. The DC Jack went out on it--the metal rod that makes the connection with the adapter simply broke off. So I purchased a new part and installed it,...


You probably got the WRONG type of jack. Thes jacks have different sizes, including the pin. You probably got one with a smaller sized pin.
These are really a pain to make sure you got the right one.

If you can, verify the pin diameter with a caliper.

ALSO verify the adapter is putting out power FIRST. The forces that broke the jack MAY have destroyed the plug on the cord from the adapter or brolen the cord. Use a voltmeter to verify operation.

If cord is broken, get new plug and replace the plug on the cord that plugs into the unit.

May 03, 2010 | Casio Music

1 Answer

Audio Technica PRO-35: need wiring diagram for mic end


If you feel the shield goes to the middle, try red on one terminal and white on the other. If not, reverse it.

If it's labeled on the circuit board...pin 1, pin 2, pin 3, then pin 1 is usually ground, pin 2 is hot (red), and pin 3 is cold.

Mar 31, 2010 | Audio Technica Audio-Technica AT2020...

1 Answer

Power cord on flat iron broke


This is a very common problem. Only way to fix it is to replace the cord, which is not all that easy. You'll need TWO regular philips screwdrivers (size #2) plus a couple of little ***** philips screwdrivers. And a soldering iron, solder, and heatshrink.

Start by popping off the two plastic covers on the hinge area. Sometimes they break: they're not really necessary anyway. Use the two screwdrivers on the screws on each side of the hinge: one will eventually come loose. Take the screw out, then use a screwdriver to push out the hinge pin. Keep track of any washers that might fall out. Carefully remove the big spring, and lay the two halves of the iron out flat. On the control side, there are several screws that hold the covers on: remove those carefully. If the cord is the kind with the swivel thing, you'll have to take out all of those parts. There will be two wires going from the cord into the circuit board: sometimes they are attached with tiny screws, sometimes they are soldered. You have to solder a new cord onto those wires.

You can buy replacement cords at most hardware stores, or steal a power cord off another (broken) appliance. Two-wire cord is preferred: flat irons don't use a ground wire.

Cut the power wires in the flat iron: they are usually blue and brown. Brown goes to the black wire on your replacement cord, blue goes to white. Strip the wires carefully, slip the heatshrink on, solder, then slip the heatshrink over the repair and heat it to seal it up.

Now the hard part is trying to secure the new cord, since it doesn't fit the way the old one did. I usually put a big zip-tie on the cord, which is then captured when you put the covers back on.

Once the cord is repaired, you can re-install the covers. Don't tighten the screws too much, they are really easy to strip out. Carefully insert the legs of the spring into each half of the iron, then hold them together while you slip the hinge pin back in: it's a little tricky. Then use the two screwdrivers again, this time to tighten the screws. If the plastic covers aren't broken you can snap them back in if you want.

See? I told you it's not that simple. But since a new iron is, what, $100, it's worth a try.

Good Luck!

chris

Jul 24, 2009 | Oster 76076-010 Hair Trimmer

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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