Questions About The Numark MixDeck Onboard DC Port

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  • TurcoLoco
    Member
    • Mar 2025
    • 24
    • USA

    #1

    Questions About The Numark MixDeck Onboard DC Port

    Hello all,
    I have a Numark MixDeck from 2011. The power supply seems OK but the DC port within the deck itself seems broken or loose.
    The device will not power on until the DC connector is inserted and then turned a little counterclockwise then it works but if you touch the cord, poof!

    I am guessing the cube shaped DC port on the board is bad and needs to be replace?
    Does anyone know what this part is called so I can check on DigiKey or somewhere?
    TIA

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  • TurcoLoco
    Member
    • Mar 2025
    • 24
    • USA

    #2
    I think I lucked out as I believe I located it on DigiKey: https://www.digikey.com/en/products/...T-4S-S/9990090
    Can someone at least confirm these are not fixable, meaning I just need to replace the part?

    TIA.

    Comment

    • CapLeaker
      Leaking Member
      • Dec 2014
      • 8153
      • Canada

      #3
      If you know the pinout on the jack that corresponds to the wires inside the cable, just unsolder the jack, cut off the plug on the wire and solder the wires to the traces on the board. Cost = Zilch.

      As for the jack… I can’t see the bottom of your board to verify the pin arrangement to see if it fits to the PCB.
      Last edited by CapLeaker; Today, 05:23 PM.

      Comment

      • TurcoLoco
        Member
        • Mar 2025
        • 24
        • USA

        #4
        Unless I didn't quite get it, what you were suggesting would permanently fixate the power to the unit, right?
        I can't do that because it is not mine.

        I know the pictures are a bit limited but looking at it from the top the pin locations are a match as well as other details. Data sheet also confirmed the measurements too.

        I am trying to not take it all apart because I want to see if something I tried fixed the problem or not, using a special bent tip needle-nose pliers I pinched the metal tabs on the sides inward a bit more.
        Not sure if these little tabs located on the side holds the connector firmly in place or not but I want to check to see if that helped before taking the board out.
        Thank you!


        PS. After 20+ posts, site still needing human verification? Come on!

        Comment

        • CapLeaker
          Leaking Member
          • Dec 2014
          • 8153
          • Canada

          #5
          Aah… well, if it isn’t yours, a new jack it is!

          Comment

          • m1ch43lzm
            Badcaps Veteran
            • Mar 2019
            • 418
            • Peru

            #6
            Take the board out and inspect the solder joints on that connector, or if in doubt, apply fresh solder to the connector pins; cracked solder joints can also cause the issue you're describing
            Also to check if the replacement connector fits the same footprint on the PCB

            Comment

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