Thanks for the reply Ken. The jumper was already set at (N). I tried it with (W) and adjusted the pot but that only made it worse. I've since set it back. Any other options? I had thought about increasing the resistance on the board where the pot is, by adding a few resistors.
I have a messed up Moon Walker board that I want to try to salvage. The game coins up and works but has issues. I was hoping to take the rom board and cpu and put it on another System18 board. What boards, if any, are compatible to use as donor boards?
I've had a Robocop board in storage for a while and recently pulled it out to test it. When I turned on the cab, the board made a low beep through the speaker, then static. The screen looks like the sync is off (wavy picture), along with a garbled, scrambled screen of what almost looks like...
I recently replaced the blown chassis in my 25" Hantarex Polo (with RCA tube) with a generic Wei ya 825HR from 8Liners. After adjustment, the monitor looks amazing, except for one small issue: the height/width of the screen, even after turning down the H/V adjustment pots as far as they'll go...