Question about Toshiba 56H80 56" Rear Projection Television

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Screen Discoloration Problem

I cleaned a hard to remove spot off of the screen with a Mr Clean Magic Eraser and now there is a large discolored spot that won't go away. Do I need a new screen? If so is it easy to repair/replace? Does anyone know the part number for the screen? Can I fix it myself or do I need to hire someone to do it? Thanks.

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Re: Screen Discoloration Problem

DJbsharp1: Check if the cleaner you use discolor or remove the clear of the screen. Touch the cleaned part and somewhere else on the screen to see if is rougher than the part you didn't clean-up. If this did not occur you can clean it up completely and watch the difference. If it's rough as I described you, a replacement will be necessary. It is easy to replace. Very easy. Part Number: 23430829 Click below to all the info and also for instructions on how to do-it-yourself with the service manual for FREE!!! Good Luck !!! SithPitt

Posted on Jul 04, 2007

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How do i clean the screen

take a mr. clean magic erasor get it wet and ring it out really well.
the front of the big screen tv will come off but its hard for me to expalin how to do it but there are two screws under the speaker cover u have 2 get off then ther r clips around the top check it out u will b able 2 figure it out

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I posted this answer to a similar question someone else had, but it looks like you have the same problem...

This sounds like your optical block is failing. This is a very expensive part to replace, so much so that it may be better to just buy another TV. Sony has had some tech problems it seems with these; here is a link to some further info:

There is loads of info on this page about your issue and other problems and Sony's remedy (if any) for reimbursement. Good luck.

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You will have to remove the screws around the top and sides of the screen in the back. The screws should be 7/64" allen key. I took the protection screen off of mine because I don't have kids or animals. I would clean the plexiglass layer after removing it from the TV. If you get any bit of the cleaning solution on the freznel lens it will leave a very noticable spots that you have to work hard to get off. Good Luck!

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There is a discoloration on the sides of the tv. there is like a color of purple and green and makes the picture blurr looking- Guest

This is most likely because you have an unguarded speaker too close to the T.V. If you have a speaker close to the television, try moving it around a little to see if the discoloration goes away. If that doesn't work, you can try moving a large magnet around the edge of the screen to move the CRT guns back into place. Best of luck.

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Hitachi lcd projection tv screen discoloration model 50vs69a

probabally a dust spot on the mirror or the lcd mini panels inside the optical engine.
must be dissembeled to clean.
not for the faint of heart.

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It sounds like you have a bad Blue Polarizer in the light path. I'm sorry but that is something you will have to contact a service center for. It's not something you'll be able to do yourself, I'm sorry, but that's the best advice I can give you.

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I would suggest to try to get this TV fix while still under warranty. Normally the manufacturers give one year.
In regards to the discoloration, there is not much you do but to let the Sony authorized repair center knows about it so they can fix it. Ask them if their work is guarantee as well for how long.
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