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Bally Alfa Model- AP-1 [slottech 17886.1]
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Bally AS-2518-17 and Stern MPU-100 Reset Circuitry
PINBALL: Repairing Bally, Stern Pinball Games 1977-1985, part two
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PINBALL: Repairing Bally, Stern Pinball Games 1977-1985, part two
PINBALL: Game Plan GamePlan pinball repair 1978-1985
PINBALL: Repairing Bally, Stern Pinball Games 1977-1985, part two
PINBALL: Game Plan GamePlan pinball repair 1978-1985
Part 13: 1980 Bally Xenon Pinball Project. Sound board resolution? - YouTube
