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Use in conjunction with my Remote speaker board: https://thatoldpinball
or locked-on columns
Modern Components: Utilizes readily available
Key Features
Data East / Sega PPB-1 - High Voltage Transistor Coils Saver - Version 1 Tools Use in conjunction with myData East & Sega PPB 1 High Voltage Transistor Coil Saver V1. 0 Data East, and later Sega used a separate circuit board to manage the High voltage coils. Other pinball manufacturers used "Snubber" boards. On the PPB 1 circuit board, the 50V coils are driven by those beefy "TIP36C" power transistors. They held up pretty well, but if they did short out, there really isn't much fusing them. The 50V starts off the transformer as 48VAC, where it is