(Topic ID: 175242)

Bally 1974 Big Show schematics

By pinballman3

7 years ago



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#1 7 years ago

Would anyone have a pdf copy of the 1974 Bally Big Show pinball? The game I have was completely dead when I got it. All of the wires on the coin door where undone. I figured out putting 2 of them together got the score motor turning. So now when i push the start button it does all of the reset except the game over relay does not energize and take it out of game over. So of coarse it does not kick the ball to the shooter lane and can not go to 2 player game. If i manually activate the game over at the end of the reset it will do. Then i can play a normal game ball 1 2 3 4 5 then it goes into game over. So i need to figure out where all of the coin door wires in the pic go. Also why the game over relay is not energizing. Is it ok to ask for Bally schematics unlike gottlieb?

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#5 7 years ago

Thank you Vec-tor that got my coin door wiring took care of. Coin mechs work now. Now i just have to figure out why the game over relay is not energizing at start up.

#6 7 years ago

Thanks I got it going 100% now. It was the score motor switches on the number 4 cog. I am going to mark this as resolved.

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