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(Topic ID: 247559)

1975 Gottlieb Fast Draw Player 1 10K reel won't reset


By RussMyers

1 year ago



Topic Stats

  • 8 posts
  • 3 Pinsiders participating
  • Latest reply 1 year ago by MikeO
  • Topic is favorited by 1 Pinsider

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    #1 1 year ago

    1975 Gottlieb Fast Draw 4-player machine

    Player 1 10K reel won't reset to zero, but it will score; this reel seems to be the last in the reset chain

    All other reels reset to zero OK

    If I manually reset the Player 1 10K reel to zero, the game will start up normally

    Thanks, I am not the best for EM games

    RussMyers

    #2 1 year ago

    Inspect and diagnose this circuit with Alligator clip jumper wires
    http://www.planetimming.com/Pinball/troubleshooting/EM%20Troubleshooting.pdf
    http://www.pinrepair.com/em/index3.htm#features

    Pinball (resized).png
    #3 1 year ago

    OK, I sort of understand that schematic, but I have no idea how to actually test this in the machine.

    Can you be more specific, or step-by-step?

    Thanks,

    RussM

    #4 1 year ago
    Quoted from RussMyers:

    OK, I sort of understand that schematic, but I have no idea how to actually test this in the machine.
    Can you be more specific, or step-by-step?
    Thanks,
    RussM

    Step 1: Read the links I provided
    Step 2: Ask any specific questions that reading brings up for you

    1 week later
    #5 1 year ago

    OK, I've narrowed this down to misadjusted switches on the Z1 relay; I will try fixing that.

    RussM

    #6 1 year ago
    Quoted from RussMyers:

    OK, I've narrowed this down to misadjusted switches on the Z1 relay; I will try fixing that.
    RussM

    In case this is helpful

    For a switch to work 3 things are necessary
    1) When open, there should be a small space between the contact points (duh)
    2) When closing, the long blade's contact point should push the short blade's contact point enough to move the short blade
    3) The contact points should be clean, which they usually will be if #2 is happening

    #7 1 year ago

    OK, after spending a mind-destroying amount of time carefully adjusting the switches on both Z1 and Z1 so they open and close correctly, the reels all reset properly.

    The throw of the relay is so short, and the adjustments are extremely tedious.

    I also found 2 switch blades that were in the wrong slots.

    Thanks

    RussMyers

    #8 1 year ago

    Suggest you mark this thread and your reset relay thread as "solved". The choice is at the top of the page.

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