First Look: 1978 Bally Supersonic – damage done by batteries takes its toll

Today’s I’m looking at a 1978 Bally “Supersonic” pinball machine. A friend had this in storage for a long time. While the game was in pretty good shape for its age, the original MPU board still had the battery on it, and the electrolyte from it leaked all over and damaged many components. Here’s a first look at the game.

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2 thoughts on “First Look: 1978 Bally Supersonic – damage done by batteries takes its toll

    • Potentially yes. If the damage is bad enough, the MPU may not even boot. Although usually you might get at least one blink. If you get no blinks whatsoever and the board looks ok, then it’s likely a power supply issue.

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