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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Discolouration has started to appear in blotches around the centre of my t.v. It started off yellow and now is starting to go blue but the blotches are starting to spread. What should I do?


The light engine of your TV is becoming weak. its is a common problem of 3LCD rear projection TV. You need a repairman to fix this kind of trouble.. The light engine replacement is expensive, It costs like a new TV set.

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1 Answer

Red blotches on screen


I HAD A SONY KDF50WE655 AND SONT TOLD ME THAT A RECALL WAS INORDER

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1 Answer

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I had recently had a problem with the Video block or Light Engine as some call it. The TV had blue blotches and streaks in the lower right side of the screen. I sent the light Engine in to TSM INC. in Evansville, IN and they rebuilt it for $300.00. I just got it back yesterday and when I reassembled it I forgot to plug in a connector thus the failure code of 4 red light flashes. I took it back apart and discovered my mistake, corrected it, reassembled it and the TV works perfectly. If you need any help with this process, let me know.

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1 Answer

Yellow streaks on tv screen


I have the same problem with the yellow blotch that keeps growing. I had a certified Panasonic technician look at it. It took him 15 minutes and $96 to tell me that the light engine had failed and it would cost $1800 to fix. I contacted Panasonic and they offered me a plasma at 20% off of their MSRP. It didn't amount to much when I realized I could negotiate for about the same on my own. The TV is 4 years old and I paid $2500 at the time. I doubt i will choose Panasonic again.

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1 Answer

Red blotches


What you possibly have is dust on the green or blue lcd panel inside the optics assembly. Since the red is showing through the dust is not as bad on that lcd panel. I suggest having a service center attempt to clean the optics assembly, although replacement of the assembly may be required, some of the light engines are sealed systems.

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When I had this problem with my 52525 I cleaned the bulb with a lint free cloth. The dark blotches went away.

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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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1 Answer

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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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