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  • Older TDM hookup

    Hey masher guys,
    I've got a question about the old TDMs' (I believe these are made by Brunswick)

    I've gotten a few of these in recently, and don't have the hookups for some of the terminals and some of the wires.

    I am making a bench tester for these. I know that the 24VAC goes to terminals 3 & 4, ground or common is pin 8, the big relay output is terminals 1 & 2. The biggest issue I'm having is what do the various wires coming out the side & their function. If I ground the one of the wires, I can here 1 relay pull in rightaway, and another a couple of seconds later - but the big relay doesn't do anything. I can ground another wire and here one relay pull in followed by the big relay pulling in which I assume fire the solenoid. The other 2 wires don't seem to do anything - so I assume they are inputs like 2nd ball or RPO.

    I don't have any real info. on these dinosaurs. Does anyone have the hook up info. for them?

    I noticed between the 2 I have, the wires are different colors too (yay).

    Prior to these things, I have already made testers for AMF's TDM's - but they are completely different.

    Any assistance is appreciated.

    Thanks!
    Jon
    I've had enough of hope & chains.

  • #2
    I have never seen one with that relay mounted on it, you sure its Brunswick?

    Marty - Pro Bowl West
    56 Jap A-2's Qubica VDB's
    2 Kustodian Walkers
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    • #3
      Not really sure, Marty - might be an AMF part, but I don't have much info. on anything about Brunswick machines. It's using 60's technology!
      I've had enough of hope & chains.

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      • #4
        Jon, if that is an original Brunswick TDM, someone modified it with the top cube relay, as the relay was internal ( and not a cube relay ) . I believe Ted built a TDM test fixture and posted the plans. May have been on the old server as I dont see it in the Brunswick technical section. I dont have manual handy so i cant give you the connections for each terminal. If no one chimes in , I can fax you a copy of the Brunswick schematic when I get home later.
        There is light at the end of the tunnel - just be sure it is not a train.

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        • #5
          Ewen, it hasn't been modified, it was made that way. I'm starting to suspect it was made by AMF now. Hopefully someone has had them or is still using them so I can figure out what does what w/o having to reverse engineer the thing. The pc board is packed pretty tight & I really don't relish doing that!
          I've had enough of hope & chains.

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          • #6
            Wow

            I have never seen one like that....
            I thought it was modified also when i saw it

            MIke
            DO A NEAT CLEAN JOB, AND FIX IT RIGHT THE FIRST TIME. THE ONLY WAY TO WORK.

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            • #7
              Didn't think enclosed relays, like that, came out until much later?

              A picture of the guts would be nice.
              Factory & Converted A-2 (US, Ger, Jap)
              Comscore ECT, Matrix & DuoHD
              Walker B, Sanction Standard, Original K, Flex Walker & Ikon
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              • #8
                Ive never seen a TDM like that before, can we get a view of the inside?
                Nick

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                • #9
                  Sure it's not wired the same as a regular Brunswick? The two right hand terminals would be the 24VAC inputs, the third for killing time delay on second ball, the fourth the common for trigger switch, the fifth reset button up front, the sixth the reset from the rake which would have time delay, seventh and eighth would be switch legs for the solonoid. Looks like a standard TDM with an exterior relay.
                  rfm

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                  • #10
                    Wow, that's a new one on me too. I'd be hesitant to install them on a machine though, maybe just in a have to case until I can get a new one in there. I hate using used equipment, especially when it comes to the electrical box, it's always been my luck that the life expectancy of used electronics, especially when they've been sitting in storage for some time, is very minimal. The center's I work for bought 20 machines over the last few years for spare parts, and while it's always good to have a surplus of turrets, gearboxes, moving decks, etc.. on hand, the electrical boxes are generally junked due to being stored in an non-climate controlled facility.
                    ......

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                    • #11
                      Originally posted by bwhite757 View Post
                      I hate using used equipment, especially when it comes to the electrical box
                      Totally understandable. I'm picky on what I install used. Circuit breakers, time delay modules, and contactors I would install used. The others I feel comfortable buying new, especially transformers and selenium rectifiers.

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                      • #12
                        I'm kinda shocked here guys! None of you have seen these before? I've seen a bunch of them over the years!

                        Is this the one you guys are used to seeing (older style)?:



                        Here is a pic of the innards of the critter I'm talking about:


                        Not much 'free' real estate in there... Even though I've been around electronics since vacuum tubes - I hate deciphering relay logic. It makes my head hurt...

                        Holy crap! I'm showing you masher guys something you haven't seen before? Once I get this thing figured out, I'll post the hookups.
                        I've had enough of hope & chains.

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                        • #13
                          Originally posted by Roscoe
                          Sure it's not wired the same as a regular Brunswick? The two right hand terminals would be the 24VAC inputs, the third for killing time delay on second ball, the fourth the common for trigger switch, the fifth reset button up front, the sixth the reset from the rake which would have time delay, seventh and eighth would be switch legs for the solonoid. Looks like a standard TDM with an exterior relay.
                          Roscoe - it's apparently not wired exactly the same as a real Brunswick old timey TDM. The 24VAC is fed from the 3rd & 4th terminal from the left. That much I figured out I also determined the common or ground was on the right most terminal. After that, I just grounded the various wire and terminals to see what happened. Hey, I'm brave! I'm sure some of the terminals and wires are used for inputs from the machine (2nd ball/RPO maybe foul?) but I want to build a simple bench tester to test these things out.
                          I've had enough of hope & chains.

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                          • #14
                            I also replace motor start relays new.

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                            • #15
                              Thats a TDM for AMF Accuscore I or II on a Bruns machine. There are many other signal in/outs for scoring. It will probably work fine with just the 13-20 terminal connections on an A-2, but it's way too much trouble to repair, IMO, unless you still have ASI orII. Even then, a dual output trigger is the cat's meow for this combination.
                              .
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                              This post is not an unpaid promotion of my business.

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