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Dust inside lcd tv screen - Vizio Televison & Video

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Posted on Jan 02, 2017

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1 Answer

How do I disassemble a Vizio E3D470VX Smart TV, to clean out the dust inside the Screen


Hi Alonzo,
To clean the dust inside the screen, you will have to disassemble the LCD panel. It is a very risky job and there is every chance of damaging the LCD screen unless you have a real good experience of doing it. If you are not good at doing such jobs, please let some professional do it for you.

Jul 05, 2016 | Vizio Televison & Video

1 Answer

TV wont turn on after dusting


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Take it to a repair shop.

Apr 08, 2014 | Scott LCT37SHA TV

1 Answer

Dust inside screen


You would have to pull the case apart. depending on your tv you may also have to remove the lcd panel.

Nov 13, 2013 | Hitachi 42PD7200 42 in. HD-Ready Plasma...

1 Answer

I have a 47" lcd Philips and the screen goes


It beacause of dust inside ur tv.U can open ur t.v and clean it.Or ur need to change ur picture tube

Apr 19, 2011 | Philips 47PFL7403D 47 in. LCD TV

1 Answer

Have a JVC HD-Z886 61inch, there appears to be some black spots behind the screen. Looks like dust, most at top of screen, not a big problem. Is there any way to clean behind the screen? When new the TV...


  • The most severe problem dust can cause in an LCD TV is a short circuit. This occurs when dust enters the television's casing and settles on one or more of the internal circuit boards. Enough dust can cause a short circuit, which will prevent the TV from working at all. In other cases, it will damage picture quality or prevent certain features from working properly.

    Because a short circuit can only occur when enough dust is present inside the TV, this problem happens after the TV has been in use for a number of years, meaning that it will not be covered under the manufacturer's warranty. In many cases of short circuits, repair is expensive, and you are better off buying a new set.
  • Image Quality
  • Dust can also have an effect on an LCD TV's picture quality without entering the LCD's casing. Dust that settles on the surface can distort the picture and decrease its brightness. While it's easy to wipe the dust away, use only a soft cloth and mild cleaning solution to avoid scratching the screen or causing permanent damage with caustic cleansers.

    Dust under the screen can be more difficult to clean. Using compressed air to blow the dust out is the best option, short of disassembling the set to clean the screen from the inside. Keeping the surface of the screen free of dust is usually sufficient to prevent dust from getting under the screen.
  • Control Problems
  • Another effect dust can have on a an LCD TV occurs when it enters the space around buttons, making it difficult to control the television. On certain sets, dust will cause buttons to stick or prevent them from engaging when pressed. Using compressed air to blow the dust out, or resorting to using only the remote control, will solve this problem.
  • Jan 24, 2011 | Televison & Video

    1 Answer

    My sony wega 3lcd tv seems to have long dust lines inside the tv screen, what is it and do I get rid of it


    Dust lines? Please explain. Are they single pixle lines on the screen itself? These are the signs of a failing display.

    May 25, 2010 | Sony KDF-E55A20 55 in. LCD Television

    1 Answer

    Hitatchi lcd tv model 32LD6600 B can I clean


    Yes,take a cotton cloth damp it with some water nothing else,softly move all around the LCD screen to clean the dust off.Or tries Ebay.com,Amazon.com to buy a package of cloth call the Micro Fiber clothes to clean.These Micro Fiber clothes are for cleaning eye glasses,deligate surfaces,and electronic devices screen.

    May 18, 2010 | Televison & Video

    1 Answer

    Hitachi lcd projection tv screen discoloration model 50vs69a


    probabally a dust spot on the mirror or the lcd mini panels inside the optical engine.
    must be dissembeled to clean.
    not for the faint of heart.

    Jun 13, 2009 | Hitachi 50VS69 50" Projection HDTV

    2 Answers

    Shadow on Flat Screen TV


    Projection TV correct? This may take some work but it is common for a spec of dust to settle onto the Mirror inside the TV, The back side of the TV screen or onto the Lens from which the Video image is projected. Some TVs have ports that allow you to access the inside of the TV from the side, others you must remove the screen.

    This is not something to do every day or every week and it will not improve the picture. You only do this when you notice that it is dirty. Any more than that and you yourself will create a bigger problem. ONLY LIGHTLY DUST the screen. Soaps, water and windex will leave streaks, damage the screen and cause more trouble.

    Projection TVs are the eqivalent of a big flashlight showing onto a wall. Put you hand in front of the light and you get a shadow.

    Inside you TV there is a light (the TV picture) that bonces of a mirror attached to the inside of the back of the TV. The light reflects off the mirror onto the back of the screen. You view this refelected image from the front. Spiders commonly make webs inside the TV that appear in the picture. Dust Bunnies may get blown into an area and become stuck in the way. Sometimes a lite tap, shake or blow may remove this also.

    Dec 09, 2008 | Hitachi 50V500 50 in. HD-Ready LCD...

    1 Answer

    Sony 61" lcd has bluish spots in screen, any ideas?


    Hello, inside the set there is an optical unit with 3LCD panels. Somehow the dust particles came into your set and now the dust is all over the optical unit and 3LCD panels. Only way to solve this issue is to clean the dust. Please contact your Sony dealer. Best regards, Arpi

    Jul 10, 2007 | Sony KDF-E60A20 60 in. LCD HDTV

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