(Topic ID: 129690)

Eight Ball Deluxe No Sound

By policano

8 years ago

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52 posts
10 Pinsiders participating
Latest reply 7 years ago by Jesterfunhouse
Topic is favorited by 6 Pinsiders

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Eight Ball Deluxe Bally, 1981

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unregulated 12v powers the amplifiers and the 5v regulator on a squawk and talk board. GI is used to create a negative -5v that the speech chip needs.

Repin driver j3 both sides. That sends the logic power to all your boards. It has to be solid or your game will not work.

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