Question about Eiki LC-XB28 XGA LCD Projector Multimedia Projector

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When I on the projector on blue screen one black big spot coming

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Broken lcd panel, entire optical prism assy to be replaced, costly !!

Posted on Apr 17, 2014

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Posted on Jan 02, 2017

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SOURCE: blue spots on screen

Obviously this is not the first lamp you have replaced in you projector. These are great projectors however, the LCD panels expire quite quickly. You will find that the spots are related to the LCD panels needing to be replaced. This is not an inexpensive maintainence solution as the panels cost about $1500 each.

Posted on Jan 25, 2008

  • 1 Answer

SOURCE: Wonderwall projector has black spot in middle of screen

My guess is that you have the projector flat on something? I did that and got the spot right away. The directions says NOT to lay flat, you must use the arm/handle so it will not overheat. Next time you get the spot pick the projector up and it should go away in about 10 seconds. It is overheating. Use the arm/handle, if you need it to sit level place a wii game or something similar size in the back to level it out.

Posted on Dec 26, 2009

projdoc
  • 2236 Answers

SOURCE: my 3m s20 projector has a big yellow spot

the polarizer on the blue lcd panel is fried due to excessive dust and heat. you may have to replace the whole optical engine.

Posted on Jan 27, 2010

  • 16 Answers

SOURCE: Hitachi projector model CP X260 projects yellow spot on screen

blue blotches on screen due to dust get optics cleaned should then work ok...yellow spot more likely to be lcd or lens burn a much more serious and expensive problem

Posted on Mar 17, 2010

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Large dot in the middle of the projected display


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Hitachi projector model CP X260 projects yellow spot on screen


This is probably the polarizing filter. It will need to be replaced. It should not cost very much to fix.

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Yellow spot


the problem is in the light path starting with the blue input polarizer then the blue lcd hopefully its just the input polarizer. worst case you will have to replace the LCD block witch is expensive to do. the polarizer ia a speacialy tinted glass designed to help with the LCD's temp.

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