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John's Arcade Forum - Classic Arcade and Pinball Collecting and Restoring Discussion Forum - RETRO MAME - Nintendo Vs Forum > Tech and Marketplace > I need help with my game! - Technical Discussion (Moderator: AgentX) > Donkey kong help
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Author Topic: Donkey kong help  (Read 1481 times)
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Servo
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« on: December 19, 2013, 12:11:38 pm »
Im having a problem with my donkey kong and i was wondering if anyone could help. As im playing the game im losing the horisontal hold after a few minutes. Can this be a voltage issue or is it my monitor. Any help would be great. Thanks
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« Reply #1 on: December 19, 2013, 12:18:02 pm »
Quote from: Servo on December 19, 2013, 12:11:38 pm
Im having a problem with my donkey kong and i was wondering if anyone could help. As im playing the game im losing the horisontal hold after a few minutes. Can this be a voltage issue or is it my monitor. Any help would be great. Thanks



Sounds like the monitor. There is a hold pot on the middle of the 20EZ chassis and also a pot on the game PCB.
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« Reply #2 on: December 19, 2013, 04:18:26 pm »
Tryed that, when i turn off the game and then back on again the pictures great. Then after a while it loses the hold. Didnt mess with the pots on the pcb though. Ill try again tonight when i get home to fine tune. The thing is my power supplys been a little flacky. I got a new one but i didnt like the numbers from it so i put the old one back. Im just wondering if it can have something to do with the voltage. Thanks again
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