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  • masking unit tester

    Hey guys

    I got this idea from Gman. Its a mini version of a masking unit with LEDs layed out like the 10 pins and 3 more LEDs for 1st ball, 2nd ball, and X light. Bought the box and LEDs from radio shack. Used an old C23 plug from our old masking units and ran new wires to the proper pins.


    Just finished building it tonight. I'll take it to work to test it tomorrow for all proper function. Hope all goes well.

    Wang

  • #2
    Re: masking unit tester

    Looks great!


    By the way GMan, you have helped alot of mechanics here with you info, thanks
    Peanut

    Comment


    • #3
      Re: masking unit tester

      Good job Chris.

      Comment


      • #4
        Re: masking unit tester

        an idea add a foul light (we have the same thing on our cell protection unit)


        10 leds for the cells (all red)
        1 for strike cycle (green)
        1 for foul (green)
        1 for 1st ball (green)
        1 for secound ball (green)

        good for working out pin stands (weather or not its a casis problem, foul realy)

        or sw6 (82/30 respot cell switch) (goes through a strike cylce)

        or a pin stand and there is a foul (watch it and you will see if it is a chasis problem)

        but it is a good idea saves a lot of stuffing around on machenes
        Respect is not given freely
        it must be <span style="font-weight: bold">EARNED </span>

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        • #5
          Re: masking unit tester

          Awesome little toy, I know I'd like one [img]/content/btubb/images/%%GRAEMLIN_URL%%/laugh.gif[/img]
          All I want in life is to turn wrenches and climb around pinsetters/pinspotters again :/

          Comment


          • #6
            Re: masking unit tester

            WangJ: Looks good! Handy little gadget to have around if you don't have lighted masks anymore... it can help troubleshoot a lot of probs. Esecially if you're still using a table cable. Nice job!

            'Nut: Tanks a bunch... glad to know I can help. [img]/content/btubb/images/%%GRAEMLIN_URL%%/smile.gif[/img]

            Rep: Go for it... they're not all that difficult to build, just a bit time consuming... basically it's just a miniature mask. Some LED's and resistors, a pindication mask cable, and some time, and you're hooked up.

            Since we're using autoscoring and don't use the table cable anymore, one of my pet projects was to start mounting lamps in the corner of the chassis facing the backend that show 1ball, 2ball, strike, and foul (I actually wanted 6 indicators... those 4, plus the T/S contactors). Makes it very easy to see at a glance what state the machine is in electrically. It's another fairly easy project... drill 4 small holes in the chassis. mount the indicators, and solder them to the bottom of the board at the PM plug connector.
            <span style="font-style: italic">Educatio est omnium efficacissima forma rebellionis</span>

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            • #7
              Re: masking unit tester

              Looks good, Wang. [img]/content/btubb/images/%%GRAEMLIN_URL%%/cool.gif[/img]

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              • #8
                Re: masking unit tester

                Wang... one more thing... I hope you put resistors inline with those LED's, or they'll pop as soon as you power it up... Most LED's have an input voltage of about 2VDC at just a couple of milliamps, and will usually pop around 6V. The mask lamps run somewhere around 16-18VAC if I'm right... that's over 30V peak-to-peak. You'll definitely need to have some inline resistors to add some load and protect the diodes.
                <span style="font-style: italic">Educatio est omnium efficacissima forma rebellionis</span>

                Comment


                • #9
                  Re: masking unit tester

                  Hey g thanks for the advice

                  Yes i did buy Leds with Inline resistors. So these Leds are designed for 12V. Also added the fact that the 12V supply for is unfiltered is more reason to get inline resistors. I tested it out Wed at work and all is good.

                  Wang

                  Comment


                  • #10
                    Re: masking unit tester

                    Cool! Glad to hear it.

                    Get a pic of that little bugger in operation!
                    <span style="font-style: italic">Educatio est omnium efficacissima forma rebellionis</span>

                    Comment


                    • #11
                      Re: masking unit tester

                      Damn good job, Wang. Even though I'm not working on 70's right now, I've been wanting to build one of those puppies myself.
                      -- Larry

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                      • #12
                        Re: masking unit tester

                        chances are with a standerd led's you can run 1 on a 9v battery (good batt. tester) and leds are very durable (just rember the long wire is positive)

                        but if you need a load just add a low voltage light to it it might remove the need for restors

                        if not rember ohms law
                        v=ir
                        Respect is not given freely
                        it must be <span style="font-weight: bold">EARNED </span>

                        Comment

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