Bg 4000 tonearm behavior

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  • #40997
    bulldog123
    GOLD Member
      • Topics Started 5
      • Total Posts 22

      On an otherwise fully functional Bg 4000 5215 I am getting the following behaviors:-

      1) when pressing the ^ button the tonearm does not stay up once the ^ button is released – it just drops as if the down button had been pressed. Same behavior on < and > buttons – is this a keypad problem or should I be looking elsewhere?

      2) from time to time the tone arm drops suddenly instead of the normal smooth drop that is expected. This is not a persistent problem.

      Any thoughts and guidance greatly appreciated.

      #40998
      spassmaker
      BRONZE Member
        • Topics Started 12
        • Total Posts 114

        Hi

        Cold be a keypad problem, regarding to the SM the \/ button is normaly closed and the /\ button is normaly open.

        So as there is a bad contact at the \/ button the tonearm will only stay up as long as you push any other button.

        Cleaning the contacts is recommended, look here for further information:

        https://beolover.blogspot.com/2017/10/beogram-4004-type-5526-keypad-contact.html

         

        Kind regards

        Christian

        #40999
        bulldog123
        GOLD Member
          • Topics Started 5
          • Total Posts 22

          Thanks Spassmaker I will look at that.

          #41002
          bulldog123
          GOLD Member
            • Topics Started 5
            • Total Posts 22

            Fixed. Thank you Craig and Christian. The down switch contact terminal was oxidized and bent – after cleaning and straightening it works a charm. Tone arm is dropping smoothly now. Sweet sounds are emanating from the deck and its owner. Thanks again.

            #41000
            hcraig244
            SILVER Member
              • Topics Started 7
              • Total Posts 197

              Just spotted this post justin, picked up a chest infection from soewhere ;¬(

              The tone arm dropping sharply sounds like not enough dampoing, try winding the srew in very slightly…..and I would check out the down switch contact…..if its playing up the tone arm will dot stay up when ^ is pressed

              #41001
              bulldog123
              GOLD Member
                • Topics Started 5
                • Total Posts 22

                Great Craig. Thank you. I hope you make a speedy recovery.

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