Simple Switch Tester - Williams 3-11, Data East, Sega Stern

Simple Switch Tester - Williams 3-11, Data East, Sega SternEasy to use. Just place these on the J8 and J10 headers. Simulate a switch closure by activating some combination of the tactile switches and the dip switches. For example, let's say you want to test Row1, Col1. There are four ways to do this: Press and hold Tact switches Row1 and Col1. This probably takes two hands. On the Row dip switch bank, set switch 1 to on. Press the Col1 tact switch. This requires one hand. On the Column dip switch bank, set

Use this method to determine if a lighting fault is on the circuit board or in the playfield wiring

modern replacement driver board

Functionally identical to version 4

Close Encounters of the Third Kind

Part Number:  A084-91648-A000

Teenage Mutant Ninja Turtles

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you know the problem is a component on the circuit board (likely a transistor or PIA chip)

Williams System 3-9

there really isn't much fusing them

This will kill the coil

Pinball Pool