Behringer Pro Mixer DJX-750

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  • Longon
    Longon
    • Jul 2025
    • 4
    • United Kingdom

    #1

    Behringer Pro Mixer DJX-750

    Hi all....I have been using my Behringer mixer quite comfortably for a number of years now and generally it's been trouble free apart from a replacement crossfader. Recently input three channel fader began to bleed a little and causing the mixer to light up like a Christmas tree! I realise the unit is ageing now and although I'd put some hours on it over the years it's not been abused. Following the issue I planned on replacing the faders and ordered the necessary parts. In the meantime whilst awaiting the replacements I continued to use the mixer up until the channel fader started to give feedback as if there was an earthing problemand as mentioned lit up like a Christmas tree but with a gentle tap would return to normal operation except for a little bleeding and crackling. I decided best not to use any further as could begin to cause damage. Having received my parts I powered up prior to starting the repairs and to my surprise the problem had become worse. After opening up the mixer I thought it best to check some of the components with my multimeter and discovered that a number of capacitors had for some reason shorted around the suspect input three...aaarrrghhhh bo##ox...gutted! Now I have new parts which I am now reluctant to exchange until I have traced the culprit/s that caused the caps to blow. Am now awaiting replacement SMD caps prior to even beginning to think about the faders.
    I expect it maybe time to retire my old faithful to mixer heaven but without first identifying what caused the problem to begin with it will send me a little 'off key' with the not knowing even if I'm chasing a lost cause...plus I'm stubborn.
    Therefore if anyone has any input I'll be happy to receive, also the possibility of locating the whereabouts of a schematic would be helpful and much appreciated.#
    Stay safe all.
    Long
  • stj
    Great Sage 齊天大聖
    • Dec 2009
    • 31043
    • Albion

    #2
    you forgot to attach
    the pictures

    Comment

    • Longon
      Longon
      • Jul 2025
      • 4
      • United Kingdom

      #3
      Originally posted by stj
      you forgot to attach
      the pictures
      Hey STJ sorry I'm a newbie here so am still having to work out the process here!
      I'm not even sure if your message is directed to me 🤪...
      if you are referring to my comments then please ignore my ignorance as have messages from others that have nothing to do with my post!? Need to somehow change my notification settings.
      long

      Comment

      • stj
        Great Sage 齊天大聖
        • Dec 2009
        • 31043
        • Albion

        #4
        no worries.
        we like to see pictures here so we can see the quality of the product

        Comment

        • Longon
          Longon
          • Jul 2025
          • 4
          • United Kingdom

          #5
          Hopefully clear enough ......caps 255/281/282/284 have shorted?
          If need to see anything else then let me know STJ..
          Thanks for your interest and time.
          long
          Attached Files

          Comment

          • stj
            Great Sage 齊天大聖
            • Dec 2009
            • 31043
            • Albion

            #6
            i would be verry surprised if those are shorted
            remove one to confirm it

            Comment

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