Question about Sony KP-57WS500 57" Rear Projection Television

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I have a rear projection Sony 52 " about 10 years old. The picture is good but there are blue curved lines.

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The blue CRT is getting bad, you can try turning down the Blue CRT drive control slightly which may slow the progression down some, but eventually the Blue CRT will need to be replaced

Posted on Jul 13, 2009

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T.V. comes on show blue then goes out after 3 second and only hear sound


When it comes on with a blue screen is it rather bright and or has curved faint trace lines in the picture?

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The tv problems is call a convergence picture problems,it is just starting to developing.This problems when it is fully developing into a convergence picture problems to the tv eventually.Tv will develope into a colors lines R,G,B mis alignments,have a colors shadow pictures or into a picture 3D look alike.Eventually the tv convergence board will dies,have to have it parts replaced like 2 STK convergence ICS and some or all of it resistors too.This problems the tvs shops will cost u like $300-350 for parts and lobors.

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Faint red lines in a curved arch like pattern


Guys I did this myself real easy. Just don't turn the corresponding screw too far. Only need to adjust it until the lines go away. Do it on a darker screen so the lines are more visible. I did the red 2 years ago and the green 6months before that. The blue lines are coming on my screen now and I've fixed it in 10 minutes. The TV is amazing.

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