Question about Sharp XR-50S Multimedia Projector, 2700 Lumens, 800 x 600 pixels, 1.2x Zoom

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Have white spots on screen how do I clean - Sharp XR-50S Multimedia Projector, 2700 Lumens, 800 x 600 pixels, 1.2x Zoom

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I am using Sharp multimedia projector XR-32S-L.There are white spots in the screen. What should I do to remove it?


white spot in image is comman problem of dmd chip it is fixed in to light engieen with heat sink replacment can possiable by expert

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White spot on screen


should have just used a duster spray.. not disasembled the unit..

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How to clean the chamber of a Mitshubishi tv


white spots is not likely to be a cleaning issue==more likely if tiny spots a bad optical light engine.

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HOW DO YOU CLEAN FILTER? MY TV HAS SPOTS ALL OVER THE SCREEN. ITS A SAMSUNG MODEL HTL5676SX/XAA.


Are they white spots. If so you need a new DLP chip. cleaning is not a solution.If you want to try it let me know.

Aug 30, 2011 | Audio Players & Recorders

1 Answer

I'm noticed white spots on the screen and from the past two days its getting worse. kindly suggest me and give me step to step cleaning process if i can do it myself.


check if the white spots are well defined square pixels on the screen. If they are then you may have pixel failure.

  • After turning on the projector, press "+" and "-" buttons on the control panel simultaneously and release the buttons when screen goes blank.
  • Press "+" and "-" buttons again to exit the diagnostic mode.
  • While in Self-diagnostic mode, the screen will run a seven-color-cycle test as following: "Red--> Green--> Blue--> White--> Watchet Blue--> Dark Green--> Yellow." Ensure that the colors of the test pattern are correct.

  • If you believe it's dirt then disconnect from the power and undo the screws underneath the unit. lift the cover over the front of the machine and carefully remove the pcb to get at the optics. don't touch and glass bits with your bare fingers. clean the optics bits as necessary with a camera dust blower bellows. best of luck.

    Mar 10, 2011 | Dell 3300MP Multimedia Projector

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    Macbook screen blotches


    If you go to turn on your laptop and loads to your os and the spots on the screen remain there then most likely you have ruptured the liquid crystals in the screen by pressing too hard when you were cleaning the screen with the computer off. you could lightly touch the black spots with your finger and if it displaces the black with a white halo effect around your finger (DO NOT PRESS TOO HARD OR WITH FINGERNAILS DIRECTLY ON THE SCREEN) then it will mean that you will have to replace the screen because it has busted the crystals definately. DARK

    Jun 14, 2009 | Apple MacBook PC Notebook

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    Olevia TV white spot on screen


    U should not get such type of white spots on the screen
    call ur experts..
    thanks..

    Feb 01, 2009 | Olevia LT37HVS 37 in. LCD HDTV

    1 Answer

    Faint white spots on macbook pro lcd screen


    If the spots remain in the same place I'm sorry to say no. Be careful what you clean the screen with. I'm a fan of a warm wet damp only rag. Using alcohol or other cleaners may damage the surface. There are also cleaners available at local stores. You don't need anti-static on an LCD display. The spots can be from pressure on the display applied at some point even if that pressure happens when closing or transpoting your laptop.There is no way to fix it.

    Sep 18, 2008 | Computers & Internet

    1 Answer

    White Spot


    If this white spot is always exactly the same, but moves off the picture when you start to digital zoom and not optical zoom, there is probably something on the sensor. You mentioned that when zooming, eventually it moves. Are you in digital zoom mode at that time? (The switchover from optical to digital zoom is automatic, but you can disable it). Is this white spot blurry or sharp? Can you see fringes of the image at the edges? (This would suggest something on the lens).
    If there is a piece of dust inside the lens ,you may be able to see it looking down the lens. How big is this spot?
    Either way, if the camera is new, can you still return it?

    May 28, 2008 | JVC GR-D244 DV Digital Camcorder

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