I just bought a used 19" Dell Trinitron monitor...but it has little horizontal black lines about a pixel tall in two places and on a pure black backround there are slightly diagonal dim red and blue lines of the same type. Is this something I can fix through settings or do I need to go return it?
It's really annoying, it looks like my desktop was printed by a really crappy printer that ran out of ink.
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Anonymous2006-09-01 21:51
It's trinitron's inherent failure.... those wires are needed for your trinitron monitor to work, something like guiding wires.
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Anonymous2006-09-01 21:56
So there's nothing I can do about the two little lines?
I fixed the other color issues...
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Anonymous2006-09-01 21:57
A lot of dead or lazy pixels that just happened to be in a straight line?
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Anonymous2006-09-01 22:13
Sony's Trinitron design uses a variation of the shadow mask called the aperture grill (or guard grill). Rows of very fine metal strips run vertically down the screen, separating columns of coloured phosphor which are arranged in alternating stripes of red, green and blue. This configuration allows the phosphor strips to be placed closer together than conventional dot triads, and the fine vertical wires block less of the electron beam than traditional shadow masks, resulting in a brighter image, and less thermal buildup and distortion. Coupled with changes in the way that the electron guns are arranged, this design results in a crisp, bright image. However, the vertical strips are so fine that they can be set into motion when contacted by the electron beam (thermal changes) . This would result in a shimmer on the screen which would be quite distracting. To remedy this, Sony puts horizontal stabilizing wires across the vertical ones. This reduces shimmer, but results in one or more fine horizontal lines being visible on the monitor. As mentioned above, the number of lines increases with monitor size. Usually, these lines are only visible to a discerning viewer when looking at a bright, solid background. If you're an experimentalist, try gently smacking the side of a Trinitron monitor, and look to see the wires shimmer. Basically, the horizontal lines are a minor trade-off when compared to the superior brightness and vertical flatness of the Trinitron screen.
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Anonymous2006-09-01 22:23
Aah! Thank you very much, Anonymous! It really does have a very nice picture, now that i've fixed the color.
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