Bally Solenoid Driver Test Set

This pinball test rig is part of a 4 piece set to individually test the various components of an early bally SS pinball machine manufactured between 1978-1985. This included such games as Mata Hari, Evil knievel, Eight Ball and Eight Ball Deluxe, Space Invaders, Xenon, Flash Gordon, Medusa, and Elektra. Stern games from the era use mostly the same boards as well that can also be tested with this set of testers. This one specially test Solenoid Drivers only. This is the board that engages the coils in the game and also regulates the voltages to 5 volts for logic and 190 volts for displays.