The Ni-Wumpf drive board for Gottlieb System 80 games. the H2 screw in contact is a ground that should be grounded prior to powering on for the first time, right?
Also, safe to run if the Speech Sound board is not hooked up?
The Ni-Wumpf drive board for Gottlieb System 80 games. the H2 screw in contact is a ground that should be grounded prior to powering on for the first time, right?
Also, safe to run if the Speech Sound board is not hooked up?
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