John's Arcade Forum - Classic Arcade and Pinball Collecting and Restoring Discussion Forum - RETRO MAME - Nintendo Vs Forum
November 23, 2024, 02:13:08 pm *
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News: Welcome to the John's Arcade Forum. Glad you made it! Smiley
 
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1  General Category / Introduce Yourself / Re: Nebraska Checking In...... on: February 19, 2014, 01:39:51 pm
Thanks guys, located in the Lincoln area. I need to get in the habit of popping onto these forums, gotta help support the craziness that is John................
2  Tech and Marketplace / I need help with my game! - Technical Discussion / Re: Help with 138 in 1 on: February 12, 2014, 04:59:51 pm
Confirm your wiring harness, matches to the pinout for this board. Make sure you don't have a ground running to the coin door, that is supposed to be for button 6, or something of that nature.

I had similar issues with a 19-in-1 board, turned out to be the ground at pin "e"(lower case, opposite pin 27) was causing my issue. Using a fully loaded jamma harness from Bob Roberts, it was wired to his specs on his site, which unfortunately is not universal across all boards. My guess, it's a pin on the edge connector, causing your headache.

http://www.jammaboards.com/store/138-in-1-classic-horizontal-arcade-multigame-jamma-pcb.html
3  Tech and Marketplace / I need help with my game! - Technical Discussion / Re: monitor tuning questions on: February 12, 2014, 04:52:50 pm
Is the flyback to high? I know it doesn't usually show red but lines will appear when set too high.

Agree with checking this, if screen brightness is set too high, it can cause that red "trim" around the graphics. Set that and the focus, and see what you end up with. Always start with the easy stuff Smiley
4  General Category / Introduce Yourself / Nebraska Checking In...... on: February 12, 2014, 11:08:05 am
What's up guys/gals, finally made the jump over to here. Figured I listen to enough of the podcasts, might as well be in this forum as well  Cheesy



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