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Old 7th Apr 2018, 3:00 pm   #50
Graham G3ZVT
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Join Date: May 2010
Location: Greater Manchester, UK.
Posts: 18,675
Default Re: Modeline problem

Quote:
Originally Posted by peter_scott View Post
HERE the graphics card is generating the video signal via a modulator that is feeding the aerial socket of a Sony 9-90. The Sony has next to no dc restoration hence that black bars to left and right of bright areas. The sweeping diagonal band is just an aliasing effect from the camera and is not visible when viewing the set directly.

Peter
Peter, I think I saw that Sony in a fashion promotion "Art installation" in a department store in Manchester. It was amongst several little video monitors, all powered up, with no signals applied. Your Sony was in 625 mode displaying noise. I should have taken a picture.
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