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The vector test bench adapter (VTBA) is a circuit board designed to simplify the hookup and testing of vector game boards by providing a breakout of the signals in a Space Duel harness, on-board player controls, LED power indicators, service, slam, coin, and self-test switches, volume controls, and places for a positive and negative voltage regulator for user-selectable custom power. It also has convenience hook ups for a logic probe and oscilloscope. The VTBA can be used for any vector game, anywhere from a bare board (to convert pinouts), partially populated (self-test switch and coin/service/slam buttons recommended), or fully populated for a specific game (including LEDs for P1 and P2 start).
Download Instructions here.
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