Question about Galaxy Radios DX-99V 40-Channels Base CB Radio

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Frequency counter is running on the galaxy 99v example channel 28 says 27.205 then 27.235 and so on

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  • Iron
    Iron Mar 20, 2011

    I need a little more clarification. 27.205MHz would be channel 20 on any CB/Radio. You say you get this on channel 28. So you are off frequency without a doubt. I need to know what happens to the frequency display when you switch channels. Does the frequency display respond with this? Or are you on one channel and your frequency display just switching up and down out of no where? This will help me determine which is wrong. Also do you have transmit and or receive? If so is it steady or broken/ fading in and out?

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  • Master
  • 3,018 Answers

You are obviously off frequency. Two things. One does it just cycle 2, 3, or 4 frequencies and then continue to recycle those same frequencies despite going up or down in channels? If this is the case there is a board in the CB called a PCB board. If you open your radio it is a little circuit board. Held onto the side of the radio by a screw and has two or three connectors leading to the board. Replace that little board and your radio will be good as new. I have seen radios come in my shop many times and this is the fix. What that board does is send a signal to the crystals to start mixing a frequency. When it goes out it just sticks where it is at or only mixes a small few frequencies. Here is a link to a place that can take care of you. http://maycomcomm.com/ I trust Maycom with all my new Galaxy parts. Now for the other option. Is it just randomly switching frequencies no matter the channel? We call this oscillating. If this is the case it could be a bad crystal. Could also be a bad PLL. If the CB is Oscillating I recommend you take it to a tech with an oscilloscope to have it repaired. You have to be able to set the mixers and an oscilloscope is the only way. This is the most technical part of the CB (front end)

Posted on Mar 21, 2011

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1 Answer

I have a Galaxy DX 99v and when i key up the frequency counter scrolls up and down on it's one.what can i do to fix it?


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Need more info ...but these 99v is notorious for cracking traces on the board. The frequency counter roams all over when this happens . It wont let it key up or receive. It needs a good tech to find it.

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Turn that fine clarifier a 1/4 turn or so to the right. I own a Galaxy DX99V and sometimes if that clarifier is just right it will drop down a hundredth of a MHz just like that when the mic is keyed. Your radio is just fine. Just adjust that clarifier a tad. The Galaxy DX99V is one of the best radios out there. I love them. -73-

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Cold solder joint on Cristal leg or corrosion from the glue has eaten the leg off .

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sounds like the mixer crystal. When this part goes bad it makes the radio go way off frequency. It will probably need replacing.

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The frequency doesn't change when you change to USB or LSB. Basically the AM frequency takes up a certain amount of space, known as bandwidth, so it could fill in for example use 50 hertz above and below 27.185 giving 100 hertz bandwidth. When you use sidebands the am bandwidth is split in two so the upper side band would use the 50 hertz above 27.185 and the lower side band would use the 50 hertz below. The idea is that twice as many operators can operate without interference.

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I need a freq band chart for galaxy v radio


There's a frequency band chart for CB radios at http://www.longcom.ie/cb_frequencies.aspx
I hope this is of help to you.

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Galaxy 99v off Frequency


it is either a bad soilder on your crystal or your crystal is going bad

Dec 15, 2009 | Galaxy Radios DX-99V 40-Channels Base CB...

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