Pinbot
Williams, 1986Changed batteries on the cpu. Game then said adjust failure. Reset game and pressed cpu switch below sound test and now I get memport failure. Game is lit up and if you press start button it goes to pinbot rules but will not start game play. What the heck happened??
During cpu test +5vdc light on, diagnostics light blinks slow twice, and blanking flashes 10x fast.
IMG_20180811_150908994 (resized).jpgi think it wants to do a restore factory settings do to corrupted ram (when batteries out/dead). there is a memory protection switch on the coin door. with the coin door open power cycle a few times. you should get factory settings installed message and then you can reprogram the settings as you wish.
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Virginia Beach, VA