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I made a mistake. I don't know how big yet. I was doing a monitor convergence on the Nanao MS-2931 monitor from my Blast City, the final thing I needed to do before putting it all back together. I had made strips out of sheet plastic and bits of snap off utility knife blades, just like I had...

A few weeks ago I had a problem with my Nanao MS-2931 OSD in my Blast City. Turns out it was a wire that had been pinched and severed. Fixed that and I am now trying to fix my screen convergence and would like to throw up a grid and other test patterns but the test button doesn't do anything...

Hi everyone, im a new member here and need some help. I just got a Sega Blast City that uses a Nanao MS-2931 monitor. This monitor uses a 3 button control for the on screen display adjustment, but the mode button does nothing, even if I hold it down. The only button that does anything is the...