Question about Sony KP-53S65 53" Rear Projection Television

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Red tube going bad???

Yesterday my 3 year old tv out of the blue just started throwing red squiggly lines mostly around the border of the screen, but also now the entire picture is seemingly saturated in red... I have cleaned the lenses, carefully, but this didn't seem to help. when I hit the auto focus, there are two plus signs, one red and the other white... are these supposed to be one plus sign? if not is there a way to manually focus it back? or is one of my tubes going down hill fast? Thanks for any help Patrick

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Posted on May 24, 2008

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Much to my suprise these tubes need to be re-juvenated with a crt shooter. this does not bode well with the so called king o the hill (sony). although after re-juvenating the tubes seem to hold up rather well.

Posted on Mar 12, 2007

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1 Answer

Changed crt coolant, better picture. red squiggily line starting at top center of screen, runs about a third of the way down. thought i saw scratch or small crack in green crt "c" lens. would this cau


Sounds like you may have just left one of the wires loose from the red tube. Not likely an issue from the gren tube but you can always cover the top of the lens and let just green shine up. That may help narrow it down also.

Here is more detailed info for you also.....

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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69189a5.pngSOLUTION

What you will need to do is replace the coolant and clean the crt. You can get a repair kit from TvRepairKits.com . It includes replacement coolant,step by step instructions, support, etc.

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also know that they hyperboard in this set can cause squiggly lines throughout but will not affect the convergence.

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http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
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http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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