Build Your Own Arcade Controls Forum

Main => Monitor/Video Forum => Topic started by: codecrank on May 03, 2012, 12:10:50 pm

Title: neo tec zig zag pattern - SOVED
Post by: codecrank on May 03, 2012, 12:10:50 pm

I just picked up a hyper neogeo 64 cab. The monitor is in decent shape but there is a white line that zig zags across the screen in raster... Before i go and recap this guy, does anyone know what could cause that ?

it looks like this:

Title: Re: neo tec zig zag pattern
Post by: grantspain on May 03, 2012, 01:55:06 pm

possibly flyback lines from the screen volts being too high

Title: Re: neo tec zig zag pattern
Post by: codecrank on May 03, 2012, 08:03:28 pm

Quote from: grantspain on May 03, 2012, 01:55:06 pm

possibly flyback lines from the screen volts being too high

you mean the vertical retrace line ?

Title: Re: neo tec zig zag pattern - SOLVED
Post by: codecrank on May 04, 2012, 01:55:31 pm

It was indeed the vertical retrace line, someone turned up the main brightness on the flyback so high that it was overcoming the blanking circuit.  :lol