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Optoma EP716 Projector

Hello! I have a Optoma EP716 Multimedia projector. I've had it for over 2 yrs now. It has been working perfectly the whole time, but now, half the light comes out of the lens. The pixels are all broken as well. It starts up and shuts down properly and even recognizes a laptop when connected. So everything seems normal except for the fact that I don't see any pictures, just half a projection with broken pixels, only in black and white. Please help!

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  • sandhan_c Oct 01, 2008

    Hello! Thanks for your advice! I really appreciate it. The funny thing is, it was a really simple problem. I opened it up and there was a wire with a blue tip at the end that was loose. So I re-attached it and it solved the problem. Luckily it was something simple. But really though, thanks for your suggestion Swami Nathan. Peace!



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Make sure that the resolution shown by the projector matches with that of the computer resolution. Many projectors does it automatically.
But if there exists a problem in resolution matching, there is a chance of getting partial picture. So better check that the resolution shown by the projector matches with that of the computer.

Also, the pixel may be degraded due to,

  • Their susceptibility to heat; the organic compounds used in LCD filters - in particular the blue - can be broken down by excess heat, resulting in a degradation of image quality.

  • "Dead Pixels"; pixels can become permanently on or permanently off, and while this is barely noticeable with one dead pixel, the presence of multiple dead pixels can be a irritation.
The only way to fix the problem is to replace the 3 LCD panels which, if you could get the part would cost you more than a new one.
LCDs are really difficult to make so lots of them do actually get passed with dead pixels on them.

But i suggest you to get some advice from the service center too.....
Hope my info solves your problem.
Thanx for using fixya.

Posted on Oct 01, 2008

  • Swaminathan R
    Swaminathan R Oct 01, 2008

    Nice to hear from you that you have easily solved your problem ..........



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