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What would be the symptom if the light engine obstacle chip is goiing out

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Blurred and out of focus picture will be the result. If you wish to get more details, check this site linked below. Pull up older posts there. Check the site with patience, as it has over 2350 posts now. All are related to electronic equipment repair help. If you search the site in Timeslide option, which can be selected from the drop down list at the top left of the display window, it will be easy to locate the related post. You can also do a search by type in the brand name to your device into its search box at the top right of display window.
http://electronicshelponline.blogspot.com/

Posted on Apr 26, 2013

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6ya6ya
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Posted on Jan 02, 2017

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Hi,

I am sorry you are having problems. Those symptoms indicate the digital light IC (chip) is failing. The DLP chip is part of the DMD board on the light engine, and is only sold with the light engine. A replacement light engine runs about $400 plus $250 for labor.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

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Bad picture


Hi do you mean your picture is distorted ,pixelated,with spots? If you have any of those symptoms it might be a problem with the light engine.Here's how your tv works: http://www.youtube.com/watch?v=ZLLHnQ4y-wo Basically there's 3 LCD chips that create the colors and image by blending together.When these chips start to melt you will get those blue spots, pixilation even vertical lines.You will need to replace the light engine. Found it here: http://www.discount-merchant.com/HITACHI-5004401118620-p/1161577.htm?Click=48173 Have a blessed one!

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The screen is green and blinks


Hi,If there's any discoloration,pixilation or hues on the tv it will be an issue w the light engine's 3 lcd chips.This link explains how the lcd technology works: http://www.youtube.com/watch?v=ZLLHnQ4y-wo Basically there's 3 LCD chips that create the colors and picture by blending together all when the light of the lamp goes through them.When they start to melt they will start to show the symptoms.You will need to replace the 3 lcd chips or replace the light engine.Good luck and God bless your house!

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Hi,If there's any discoloration,pixilation or hues on the tv it will be an issue w the light engine's 3 lcd chips.This link explains how the lcd technology works: http://www.youtube.com/watch?v=ZLLHnQ4y-wo Basically there's 3 LCD chips that create the colors and picture by blending together all when the light of the lamp goes through them.When they start to melt they will start to show the symptoms.You will need to replace the 3 lcd chips or replace the light engine.Good luck and God bless your house!

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1 Answer

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Hi,If there's any discoloration,pixilation or hues on the tv it will be an issue w the light engine's 3 lcd chips.This link explains how the lcd technology works: http://www.youtube.com/watch?v=ZLLHnQ4y-wo Basically there's 3 LCD chips that create the colors and picture by blending together all when the light of the lamp goes through them.When they start to melt they will start to show the symptoms.You will need to replace the 3 lcd chips or replace the light engine.Good luck and God bless your house!

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