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  • Rheostat Circuit Board

    I am trying to restore my rheostat and you can see in the photo that the circuit board has an open. Does anyone have a spare circuit board for the rheostat that they are willing to part with? I am willing to buy.


    Click image for larger version  Name:	IMG_20200728_125337.jpg Views:	0 Size:	4.36 MB ID:	534296

    Thanks.

    Mark
    Thanks,

    Mark

    Mark Poindexter
    1975 TR-6
    CF35865U
    Owned since 1983
    My First Car

  • #2
    Why not try to repair the original board?

    Cheers,

    Wolf
    76 TR6 CF58170UO (The Lady)
    72 TR6 CC80068UO (The Slut)
    68 TR250 CD4893L (retirement project)

    Comment


    • #3
      How do you do that?
      Thanks,

      Mark

      Mark Poindexter
      1975 TR-6
      CF35865U
      Owned since 1983
      My First Car

      Comment


      • #4
        I see two open areas. You'll need to do some very careful, (surgical) soldering. If it doesn't take, no big deal since you were going to abandon it anyway. Worth a try, IMHO.

        Cheers,

        Wolf
        76 TR6 CF58170UO (The Lady)
        72 TR6 CC80068UO (The Slut)
        68 TR250 CD4893L (retirement project)

        Comment


        • #5
          Yes--if you cant bridge the opens with solder, just solder a fine bare wire across the gaps.

          Ed
          For just a little more, you can do it yourself!

          Comment


          • #6
            I might have one that will work. Check to see what numbers are printed on the board and will check to see if I have one to replace it -

            Dale

            Comment


            • #7
              Mark - Found one that should work for you. Shoot me a PM and will get it to you -

              Dale

              Comment


              • #8
                Dale,

                There is not any printed numbers on the round circuit board (the one the rotates on the shaft with the knob) in my rheostat. The stationary board, that is the back of the rheostat, has the numbers "6.35" on it.

                Thanks for taking a look.

                Mark
                Thanks,

                Mark

                Mark Poindexter
                1975 TR-6
                CF35865U
                Owned since 1983
                My First Car

                Comment


                • #9
                  That 6.35 ohm fixed resistance is in parallel with the variable and flattens the resistance curve. I've also seen 4.0 ohm stunts. I think either will work.

                  Ed
                  For just a little more, you can do it yourself!

                  Comment


                  • #10
                    Mark - looks like the round boards are fairly universal. If you send me a PM with your address, I will send you one that should work

                    Dale

                    Comment


                    • #11
                      Dale - I sent a PM. Thanks so much.
                      Thanks,

                      Mark

                      Mark Poindexter
                      1975 TR-6
                      CF35865U
                      Owned since 1983
                      My First Car

                      Comment

                      Rheostat Circuit Board

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