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Originally Posted by old_tv_nut
Yes, it's possible this is a design flaw with this chassis, but it's so clearly visible in your photo, I wonder. I presume the bars don't move wildly, just get stronger or weaker when you change brightness?
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No, the bars don't move at all. They are completely static. Depending on the brightness, they can appear to be either lighter lines on a darker background or darker lines on a brighter background, but I believe that's normal and is just an illusion; as the brightness value gets higher, the lines seem to disappear because (I assume) the voltage level on the raster overtakes the resolution of the lines (causes it to bloom over the bars)
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You might try running added ground wires between boards, not following the path of the original ones, to see if it changes. (Still grasping at straws here.)
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I could try that. I have to admit it seems like a long shot, but why not.
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Originally Posted by Alex KL-1
Another thing very unlikely for a SS set, but anyway: the image are compressing at the bands positions? Tube sets sometimes makes that. Just seeing another thread. But, by design, SS systems are less prone to that.
OOPS, nevermind... it varies with bright, cannot be this cause.
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Yeah, also, it definitely doesn't warp a video image at all. I see no compression.
In fact, if a busy image is on the screen, I can't see the bars at all. It's only noticeable in areas of solid color or grey.