Question about Toshiba 46HM95 46" HDTV

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Growing black blob

We bought our Toshiba just over a year ago (warranty ran out 2 months ago). The bulb blew twice and was replaced for free. Things have been ok for a while, but now there are dark gray/black blobs on the bottom of the screen (they are transparent). They started as two and grew together and now there is another one growing on the other side. You can also see where these blobs are when the TV is off. It reminds me of ink that is bleeding behind the screen. Any idea what this is? The repair department of the place where we purchased the TV said they'd have to get it into their shop to see it, but it's probably the light engine, which is quite expensive. From what I've read on this post and others, light engine problems seem to be described differently. We are willing to take the TV apart, since the warranty is up anyway if you have any suggestions on where to look and what to look for. Otherwise, if you could give me a range of cost so I know if I'm getting a decent price. I'd appreciate any help you may give. Thanks!

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  • Julie Timm Apr 25, 2007

    Here are some photos of the issue. Hope this helps to explain. Thanks!

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That looks like liquid of some kind has found its way between the lenticular and fresnel lenses. Push on that portion of the screen and if there is alot of movement in the "blob" then screen damage is what it is.

Posted on Apr 26, 2007

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Could be dust in the optical engine? There could also be marks on the mirror? You can get a sort of a similar problem in the LG RE44SZ22 when the light tunnel becomes warperd due to heat from the lamp. Best regards, Arpi

Posted on Apr 25, 2007

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