DCU3 Black Verticle line problem

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DCU3 Black Verticle line problem

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peteradamcik
Contributor III

Hi Guys and Gals. I've setup the DCU3 to display 640x480x60Hz at 24bit 8x8x8 colour.

I've made a colour chart shading from 0 to 255 on all reds, greens and blues.

I'm getting a black vertical line in the middle of the colour chart and I have NO idea why.

My Hsync and Vsync timing is spot on as I've check it with my scope so the fault is not that.

Also, I display a 24bit 160x120x24bit RGB image on the screen and SOME of the colours in the picture is displaying the wrong colour. I've checked the red, green blue wiring and all is correct and on the correct pins. I honestly have NO idea why this is happening. Does anybody know?

Please see the attached picture to see what I'm talking about.

Hope to hear from someone soon.

Pete

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