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Manual for maycom em 27 cb radio - Radio Communications

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SOURCE: Maycom EM-27 Transmit noise

you don't need a noise supressor, i belive you have to change the mic or check real good your mic, specialy the transmit botton

Posted on May 10, 2008

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Maycom ah 27


I'm not familiar with this brand of radio but everytime I saw reverse polarity applied to a radio most of them have a blown diode near the input. If the diode reacted fast enough, you might get lucky and only that and/or the fuse need replacement. Most of the time, the damage is evident when you open the radio and do a visual check for burns etc.... Good luck and I hope this helps!

Dec 19, 2013 | Radio Communications

1 Answer

Maycom ar-108 no sound


maycom 108 no sound on air band,i to had this problem,hold radio in hand and hit on to table with a fair hard force on bottom until sound returns,yes this will work,dont be afraid to do hard,

Aug 06, 2013 | Maycom AR-108 Air Band Scanner

1 Answer

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


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)

Mar 20, 2011 | Galaxy Radios DX-99V 40-Channels Base CB...

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My rf gain is out where do I find one, Mic gain/ Rf same knob on my 44v 1kb mic / 1ka rf gain dual knob vaiable


They can be ordered just google cb shop temple, tx on highway 95 they have parts and will ship to you. give em a call with part desciptions.

Aug 08, 2010 | Galaxy Radios DX-44V 40-Channels Base CB...

1 Answer

Need more talkpower without a linear amp


Send it to a CB shop and ask em to peak it and tune it,shouldnt cost more than 75.00

Apr 01, 2010 | Galaxy Radios DX- 88HL Base CB Radio

1 Answer

What frequency do these run?? am or fm??


CB or citizen's band is in the 27 MHZ band. Its 40 channels long, AM typically, and on some models side band, or SSB.

It is only legal in the US to have a radio that operates in the 27 MHZ band on the designated 40 channels using AM or single side band only.

The MCB-30 is an AM only radio.

Mar 25, 2010 | Maxon MCB-30 40-Channels Base CB Radio

1 Answer

Fitting a roger bleep


you should be able too. A single tone beep is usually small. About 2 x 1 inch or less. A 5 tone is a little longer, but they usually fit right by the speaker no problem.

May 01, 2009 | Radio Communications

1 Answer

Maycom EM-27 Transmit noise


you don't need a noise supressor, i belive you have to change the mic or check real good your mic, specialy the transmit botton

Apr 28, 2008 | Radio Communications

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