Question about Hitachi 55VS69 55" Projection HDTV

3 Answers

I HAVE A BLUE SCREEN like a blue cloud in center of tv, put new lamp in still there

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  • Master
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The major cause of the problem is the (optical block assembly) this is peculiar to most hdtv
you can click the link http://splinke.googlepages.com/sonykdf-55wf655opticalblockreplacement
on full illustration on how to replace the part and the pictorial diagram of the block assembly

Posted on Aug 17, 2008

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  • Master
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Its problem of "3 LCD unit" calls "Optics Unit Block Assembly" and you need to replace complete unit as in my opinion, it has no other solution.

Posted on Aug 17, 2008

  • Shahid Electronics
    Shahid Electronics Aug 18, 2008

    Hi, do you want further info for your TV problem, please let me know. Is there any update? Thanks.

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  • Hitachi Master
  • 1,800 Answers

1] Clouds of digital "mosquitoes" surround fast-moving objects.This is a picture artifact (or distortion) that can occur as a side effect of digital television-signal compression.

THE FIX: Don't worry, your set is fine. The problem originates at the broadcaster or at your cable/satellite provider. The good news is that motion artifacts should be greatly reduced in the next few years as compression technology improves. The bad news is that if you want to fix it now, you'll need an outboard digital noise processor such as the Algolith Mosquito HDMI, which costs $3000.


tell me more info and i will give u better solution but dont rate this if not helped u
till i give u the best solution that will fix ur prob sir.

Posted on Aug 17, 2008

  • Jalal Sordo
    Jalal Sordo Aug 17, 2008

    The blue (sometimes red) cloud you see is the light engine failing. I had one of these units and most of us end up getting a replacement light engine free or at low cost from Hitachi or a complete replacement if still under warrenty. Hitachi knows that this unit is defective and they try to sort it out. However, a select few were not as lucky and end up buying a new light engine which can cost between $400 to $1200. Call 1-800-Hitachi and see if they will help you out!!! (Hint: Don't let up on how disappinted you are about their product, but be respectful.)

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