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  • stops spotting

    82/70 with omega tek boards.
    machine starts to spot pins and as soon as the 9 pin leaves the 9 pin lever table stops [img]/content/btubb/images/%%GRAEMLIN_URL%%/confused.gif[/img] if the lever is pushed and held in the table will continue to spot,if you let off the lever before the pins hit the deck table stops,after the pins are on the deck the table will continue back to zero without holding lever.
    first thing I changed was spotting relay,still the same?
    2nd changed the omega tek board-still the same?
    changed the chassis [img]/content/btubb/images/%%GRAEMLIN_URL%%/mad.gif[/img] still the same.
    changed the bin switch-still no good [img]/content/btubb/images/%%GRAEMLIN_URL%%/confused.gif[/img]
    so in order to be able to use the machine I duct taped the lever open [img]/content/btubb/images/%%GRAEMLIN_URL%%/laugh.gif[/img] now it sets pins every time ready or not hear I come. :p
    any ideas what is causing this.
    KEN.B

  • #2
    Re: stops spotting

    Run a new B/S cable to wireway.

    Or.....if it MP Chassis there is a diode or resistor in the terminal switch.

    JK

    Comment


    • #3
      Re: stops spotting

      A short in the diode parallel on your counter at the man. control desk can be your problem.

      Martin
      So it goes.

      Comment


      • #4
        Re: stops spotting

        Again, I'm not trying to be a smartass about this, but is it possible someone installed a new bin switch and put the wires on the wrong terminals?

        Also, I'm kind of at a loss here, since you said that changing the chassis didn't help... On the old 5-boards, there was a transistor that would cause a problem like you're describing... if it failed, it wouldn't hold the circuit closed until the machine finished cycling... there's probably still something in the 'logic' of the newer boards and chassis that does the same thing.

        Check the front wireway where the bin switch wires attach... make sure nothing (like a screw, bolt, or piece of wire) has fallen on to the board and shorted the terminals.

        I have to dig out my 'sequence of operation' book and see what circuits the bin switch affects during spotting.
        <span style="font-style: italic">Educatio est omnium efficacissima forma rebellionis</span>

        Comment


        • #5
          Re: stops spotting

          still no luck.
          things I'VE done. ran some lamp cord wire to the terminal strip terminals 32 and 34 and to the bin switch! still no workie [img]/content/btubb/images/%%GRAEMLIN_URL%%/frown.gif[/img]
          I found two locking clips and a few screws down in the wireway nothing else but a bunch of dust.
          unhooked the wires coming from the desk going into the gray box above the machines and ran machine with it turned on in the back only.
          still no good
          anymore ideas. thanks.
          KEN.B

          Comment


          • #6
            Re: stops spotting

            You asked for ideas, so here goes. The machine works ok if you hold the bin switch closed, so the bin switch is working and TA2 is working. But some input downstream that normally takes over for the bin switch after it opens isn't working. Since you have changed the chassis (with no change), that leaves the C2A plug and the cam switches. It appears from my diagram that the SB switch has an input to the same gate as the bin switch that controls spotting. I'm not sure about this, but while you are waiting for inspiration, it might be worth checking.

            Roger

            Comment


            • #7
              Re: stops spotting

              According to the old 5-board "rapid checks" (not much help), 'no spotting' can be caused by:

              Defective SP Relay
              Defective Bin Switch
              * Defective Time Delay
              * Input Circuit "B"
              * Ball Cycle Circuit
              * Input Circuit "M"
              * Spotting Amplifier

              The '*' items were problems with the #1 or #3 board, so probably aren't applicable anymore.
              For what it's worth, if you want to chase wires, here's the C2A plug pinout... some of the designations are a little cryptic, but I was able to pick out what they were.
              C2A Chassis-Side Pinout:
              <table width="700" border="1">
              <tr><td>ROW4</td><td>.</td><td>(DD)
              TAC-GPS</td><td>(Z)
              SC-N.O.</td><td>(V)
              TAC-10</td><td>(R)
              TAC-9</td><td>(K)
              TAC-8</td><td>(E)
              TAC-7</td><td>(a)
              TAC-6</td><td>(w)
              TAC-5</td><td>(s)
              TAC-4</td><td>(m)
              TAC-3</td><td>(h)
              TAC-2</td><td>(c)
              TAC-1</td></tr><tr><td>ROW3</td><td>(FF)
              BEC
              BE-#1</td><td>(BB)
              TA1/SA-COM
              SW-S #6</td><td>(x)
              SB-N.C.</td><td>(t)
              TAC-COM</td><td>(n)
              TA1-N.O.</td><td>(h)
              Blank</td><td>(c)
              Blank</td><td>(y)
              TSG-3</td><td>(u)
              TA3-COM
              SC-N.O.</td><td>(p)
              AMC-11A</td><td>(k)
              AMC-31C</td><td>(e)
              10th
              Frame
              BLK</td><td>(a)
              10th
              Frame
              WHT</td></tr><tr>
              <td>ROW2</td><td>.</td><td>(EE)
              BEC-
              INDEX
              SW - #2</td><td>(AA)
              TA2-N.C.</td><td>(w)
              OS-N.O.</td><td>(s)
              SA-N.C.</td><td>(m)
              TAC-GPS</td><td>(f)
              SA-N.O.
              BEC
              Cycle #1</td><td>(b)
              BEC
              CB-A</td><td>(x)
              TA2-N.O.
              BS-N.C.</td><td>(t)
              OS-COM</td><td>(n)
              MGRS
              CT-BL</td><td>(j)
              BEC
              CB-C</td><td>(d)
              SWS-4</td></tr>
              <tr><td>ROW1</td><td>Blank? </td>
              <td>(CC)
              BS-COM</td><td>(y)
              SB-N.O.</td><td>(u)
              TA1-N.C.</td><td>(p)
              BEC
              T-#2</td><td>(j)
              BEC
              CB-B</td><td>(d)
              Blank?</td><td>(z)
              BEC
              S-#2</td><td>(v)
              MGRS
              CT-WH</td><td>(r)
              BEC
              Cycle #2</td><td>(l)
              BEC
              BE-#2</td><td>(f)
              PIT LT</td><td>(b)
              BEC
              S-#1</td></tr>
              </table>
              <span style="font-style: italic">Educatio est omnium efficacissima forma rebellionis</span>

              Comment


              • #8
                Re: stops spotting

                problem found...thanks to AR.. :p
                replaced SB switch. thanks.
                KEN.B

                Comment

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