Star Trek
Bally, 1979You're currently viewing posts by Pinsider Cheddar.
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Verify power at one of the coils by grounding the tab on the non-banded side of one of the coils. If this works I would suspect the ground return J4 1&2 from the sdb to the rectifier board. Check those pins to make sure they aren't broken or crushed.
I'm jumping to that because all coils are out. If the knocker or coin lockout are working then it's a Playfield issue.
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Lodi, CA