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I cleaned the projector screen but it is leaving a water mark what do I do

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You may have damaged the screen if whatever you cleaned with has chemicals---most screens have a protective anti glare coat that is easily damaged----If a streak is there it is likely this is what happened.

Posted on Nov 04, 2012

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Posted on Jan 02, 2017

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welcomejee
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SOURCE: Water leaked from upstairs and seeped in between

Hi,
If it is Mitsubishi WS-65903 rear projection tv then you should have service manual copy in hand to disassemble front screen safely, service manual has info with exploded view to do that.
Let me know tv model number to provide you service manual copy to clean screen (it has two or three layers) and rear mirror and lenses of picture tubes in tv.
Thanks.

Posted on Jan 28, 2011

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Have a dark blotch on bottom right of screen. What is this? Transported in the rain and fear water got through carefully wrapped plastic. Help


It's possible the mirror has dome dust on it from jostling during the move. W dried water spot will do it too. The front screen will come off by removing the screws on the bezel. Be extremely careful cleaning the mirror.Any scratch by a cleaning cloth (never use paper) will permanently ruin it.

Nov 02, 2014 | Akai PT5492S 54" Rear Projection...

Tip

How to clean an LCD TV


<span>An LCD screens must be cleaned as it attracts dust like a magnet. Cleaning is risky as the screens are very sensitive and there are chances of you damaging the screen if you don't know the proper method to clean it. To help you in this read the article below to the various tips on cleaning the LCD TV.</span> <b>Tips On Cleaning LCD TV</b> <b>Basic Facts About LCDs</b> <ul> <li>LCD screens or displays should not be cleaned through normal methods, as they are not glass. LCD or liquid crystal display is a soft film and it can be damaged through improper cleaning agents.</li> <li>The popularity of LCD TV's is on a rise as they can be can be run on low battery power and also have<a href="http://lifestyle.iloveindia.com/lounge/how-to-clean-lcd-tv-8061.html#"><span>sharp</span></a> picture clarity.</li></ul> <b>LCD Screens Problems</b> <ul> <li>LCD screens regularly gather dust and smudges and sometimes fingerprints and ink markings.</li> <li>Cleaning the screens with a <a href="http://lifestyle.iloveindia.com/lounge/how-to-clean-lcd-tv-8061.html#"><span>paper</span></a> towel, dishcloth or tap water can do considerable damage, as the screens are very sensitive. It can cause clouding and can cause damage to the pixels.</li> <li>Tap water contains chemicals like chloride and wiping the screens with it can leave a residue on the screen.</li></ul> <b>Cleaning Tips And Guidelines</b> <ul> <li>The LCD TV must be cleaned regularly for you to enjoy the proper clarity of the display.</li> <li>First of all, turn off the LCD TV and examine the condition of the screen.</li> <li>Note the smudges and the areas to be cleaned.</li> <li>To remove dusts use a microfiber cloth and brush off the dust particles.</li> <li>It is best to use proper cleaning solutions that come with LCD cleaning kits. However, you can mix one part of isopropyl alcohol with one part of distilled water and using cotton or microfiber cloth, clean the screen. Another cleaning solution that can be made at home to clean LCD TV's is to mix one part of vinegar in one part of water. Pour this solution on a soft cloth and then wipe the screen.</li> <li>Take care not to spray any sort of cleaning solutions directly onto the screen. Instead take it on a piece of cloth and then wipe.</li> <li>Wipe the screen in a circular motion and be very gentle. Don't press hard.</li> <li>Also do not touch the screen with your fingers or there are chances of leaving oily prints.</li> <li>Rub a soft cotton dry cloth to completely remove excess liquid from the screen as the moisture may damage it.</li> <li>Before switching back the TV on, let the screen dry completely.</li> <li>If some stains or marks are hard to remove, don't apply pressure to remove it. Instead, repeat the cleaning procedure several times to get rid of it. For ink marks and other hard stains, you have to invest in special cleaners.</li> <li>To clean the dirt from the edges or corners use a Q-tip. Dip one end of the Q-tip in the cleaning solution and squeeze out the excess moisture from the cotton tip. Now gently drag this tip along the edges.</li> <li>Do not use cleaning solutions that contain ammonia, ethyl alcohol, acetone, toluene, ethyl acid, or methyl chloride. These chemicals can react with the LCD screen materials and damage it.</li></ul>

on Jan 18, 2011 | Televison & Video

1 Answer

I have a Sanyo SVGA DLP PDG-DSU30 projector. There are small white spots with some black on the screen projection. I'm not sure if its fungus in the lens. Can I remove the lens for cleaning or is it a...


Not many funguses can thrive under the intense heat from the lamp. The Ultraviolet light that the lamp produces reacts with the plastic lamp housing and deposits a film on the optics and color wheel. They can be cleaned with water. I would not use any chemicals on the optics or color wheel since they leave a residue behind.

Dec 16, 2013 | Office Equipment & Supplies

1 Answer

How do I clean the lens on a dell 1209S


please must note, and never clean it by cleaning wipes or paper, it will leave marks on the lens.
and nor to clean it by wipe or alcohol. it will easily break the protection film on the lens.

such the dust on the surface, you can blow it by blast.
and others, you can clean it by a good chammy

Mar 01, 2012 | Dell 1209S DLP Projector

1 Answer

I have a mitsubushi hc 10 the picture is blurred what is wrong?


Adjust focus of a projector.

Make sure a projection screen is at least 4.1' (1.2m) from the projector.

Check Projection Lens to see if it needs cleaning.

NOTE : Moving a projector from a cool temperature location to a warm temperature location

may result in moisture condensation on Projection Lens. In such an event, leave a
projector OFF and wait until condensation disappears.

Apr 02, 2011 | Mitsubishi HC10U Multimedia Projector

1 Answer

The projector has a redish purple tinge on screen. This has been like it and when bulb was changed has remained. I was told this is to do with the LCD prism. The data projector has been running for...


Hi Mark,

It sounds like this is a non user repair. If the projector is out of warranty it may be more cost effective to replace it than repair it as you will be billed around £75 + courier charges for someone to take a look, plus any additional charges. A simple internal cleaning may help. LCD projectors have open optics so dirt, grease, smoke etc can get in and cause staining.

The UK Sanyo repair agent is multicare in Leeds. If you are lucky this projector was supplied with a 3 year warranty and which may still be valid as it's not a particularly old model.

Best of Luck.

Feb 14, 2011 | Sanyo PLC-XU75 LCD Projector

1 Answer

Sharp XR1S It projects the image on screen, use to show the correct color. last time the image was projected but in pink hues. is this an adjustment issue or is the lamp going or gone?


hi,
first of all check the tint setting on your projectors picture menu.
if not get the correct color then, your projector is a dlp projector that means it have a color wheel in side. if the synchronization of color wheel is not correct this problem can occur. there is a sensor for couting the rpm of color wheel. also have a black mark on the color wheels rotating portion. the sensor scene this black mark for making count. if there is any dust in that portion it will make difficult to the sensor making the counts. you have to remove the color wheel to clean the same.
i have added a video how to clean the color wheel . not the same projector.
ok

Feb 02, 2011 | Sharp XR-1S Multimedia Projector

1 Answer

Da-Lite Cosmopolitan Screen stretch marks


unfortunately, unless you find one on ebay, you might be out of luck. sorry.

Sep 10, 2008 | Da-Lite Picture King w/Keystone Eliminator...

1 Answer

MARKS ON SCREEN


there are two screens..the lenticular..and the fresnal...you can try to pull them apart(very fragile!) and clean them but you must be careful not leave any water or moister between them(blowdry or wipe completely dry after cleaning with damp cloth) do not rub too hard...just spray warm water on the rag and carefully wipe clean ...then dry. Putting the screens back together isn't too tricky but let me stress..these screens cannot be bent or they will break...pull them off with two people(one on each side)..also you will have to take the front cover off because the screens are literally clamped down to the front cover.....good luck...let me know if you need futher assistance..........mike

Feb 13, 2008 | Hitachi 65S500 65" HDTV-Ready Rear...

2 Answers

Water marks.


yes take the pannel off the back. be carefull your mirrors are in the pannel

Mar 20, 2007 | Hitachi 60SDX88B 60" Rear Projection...

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