Big Deal
Williams, 1977When the game is turned on, the advance relay, 1,000pt relay, bonus stepper (up) coil, and the spade relay (is tripped) on the reset bank are all locked on. I think there is a score motor switch associated with this circuit, but unsure where to look. Of course it scores 1,000 when reset cycle is completed, and the ball never kicks out, which is expected. Roll over switches are good.
Quoted from HowardR:Is that the 1963 or 1977 Williams Big Deal?
Ooh, good question. I guessed '77...
I think the Advance relay being stuck on can explain most of the rest.
Big Deal Advance relay (resized).jpg
Start by checking the switches in the red boxes to make sure they're open. If they're good, check the Bonus Unit EOS switch at the top.
/Mark
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Crystal Springs, FL