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My galaxy dx 55 hp is getting hot at right rear on am modulation causing modulation distortion

Geting hot after about 5 minutes modulation on am

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Mike Charette

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Does it do his on the other bands also? Check your heat sinks in the area to see if they are also hot.the hottest one is probably going to be the culprit .Now find out what is on the sink and back step from there until you find out why that sink is getting hot.

Posted on Feb 23, 2015


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  • 463 Answers

SOURCE: it powers modulation ...output power..or

Sounds like the PLL may be toast. Either that, or someone has **** with the wrong potentiometers or tuning slugs in the radio, causing to to no longer resonate on the correct freqs.

Posted on Mar 02, 2009


Don Reiman

  • 773 Answers

SOURCE: refurbished dx 959 from galaxy no modulation? no transmitt?

If there is no transmit at all, it sounds like it wasn't fully refurbished. If it is just low modulation then just turn VR16 and VR14 all the way to the left.

If its not working at all, send it back. It hasn't been refurbished.

Posted on May 03, 2009


  • 1 Answer

SOURCE: i want to get the most performance out of my

I don't see how you could get more swing than the M-80 modulator. That thing kicks ***!

Posted on Jan 15, 2011


  • 500 Answers

SOURCE: galaxy dx 66v off frequency

gal 66 check the 10kHz switch. or you may have a bad cap, or crystal,.. the 33hp2 check the am regulator transistor... is bad or shorted.

Posted on Jan 24, 2011

John Cunningham

  • 6771 Answers

SOURCE: after 5 minutes of tx power go down

You may have a bad RF Transistor which is tied to the CB chassis, since it takes several minutes to break down, it is a thermal issue "tough to nail down" probably easier just to change the part.

Posted on Mar 09, 2012

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