Hi!

I have done EM repair, but it has been a few years. I have the schematic (dirty but mostly there and can share images).

I am working on a 1955 United Regulation machine that has a few issues. When the machine is credited it begins the reset. As the score reels reset it appears that the player stepper is adding and resetting at the same time. when the score reels have all reached 0 the score motor stops, but I am pretty sure not in the correct position. It stops where the pin reset is active. Lots of noise here! I can hand spin the motor to the first position. Then the first puck will raise pins and activate the first puck relay. I believe the score motor should advance to the second position, but it does not activate. I can hand spin the motor to the second position. Then the second puck will raise pins and activate the the second puck relay, scoring works for the most part and the cycle begins again with the score motor stopping early.

I see a puck relay, but I never see it activate and hand actuation does nothing.

Any help/advice will be greatly appreciated!