Question about Panasonic PT-47WX49 47" Rear Projection Television

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Red blotches i recently was given a panasonic rear projection tv. the problem is that there is red blotches on the sides. what is wrong and how do i fix it? thanks

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This is phosphur burn and the only solution to this issue is to replace the CRTs(picture tubes) The cost of this, as you can imagine, is quite high and probably not worth doing.

michtech

Posted on Feb 14, 2009

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Posted on Jan 02, 2017

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I have a green tint on the screen. covering about 90 percent of the tv. it looks like a block on the bottom right corner. the very top and right side of the tv is fine. its prob about a two inch line that...


If you tried to clean the mirrors or someone else tried, there may be an object on one of the picture tubes. I've seen this happen. In one case I repaired a projection TVwith a piece of black tape across the red tube. It may have left the manufacturing plant this way. Please check and see if a cloth is laying on one of the projection tubes. If not, you have a contaminated picture tube, replace the fluid. Thanks for asking!

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1 Answer

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Check with Panasonic. I have the same issue and was originally told that the optic board needed to be replaced ($1700). I waivered on getting it fixed and spending more than the tv is worth. So I now learned that there is a new fix for the bad optic board and Panasonic is repairing it free of charge. Repair is schedueled for next Friday (Feb 1, 08). I'll report back if it was successful. This repair involes an eprom on the optic board. Hope the sheds new light........

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

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