Hi, is it advisable to clean dust specks from the inside of one's television? Can you indicate the best procedure to employ? My warranty does not cover cleanings of any sort and I thought if it wasn't technically impossible to do so myself I would use an LCD cleaning kit to perform said wipe down - the dapped spots are annoying when an image has a light background, but is swallowed whole by any kind of texture. I have had the bulb replaced and a new light engine and religiously clean the filter but the dust problem persists (it was a display model and I probably should have cleaned the filter right away, but waited, rather stupidly, around 6 months into the purchase). Is there a way to avoid making this worse and still cleaning or is it necessary to call a tech - and if the latter scenario is recommended what will he or she do to ameliorate the problem (as in - will this cost an arm and an opposable thumb?). Thanks, Garland
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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.
The spot may be from debris inside the chamber of the TV box. A bug, dust speck, or other material can attach to the inside screen or on a color tube inside of the unit. Do not touch the inside of the Front Screen as it has a special coating and you could damage the screen permanently. Avoid washing with water or sprays that can enter the frame of the screen. Use a cloth with cleaner applied to it and wipe clean, then dry with a soft rag or paper towel.
That is more than likely to be dish on the sensor of the camera (or CCD) you can get do it yourself kits but this is tricky as the sensor is inside the camera. Your best bet is to take it to a camera shop who should clean it for about 30 or 40 pounds, and guarantee it for a certain period too. Or you could send it off if there are no local photography shops, search for "CCD cleaning" online. Hope this helps!
The best way to clean out inside is to use an air compressor and blow out all dust, or go to the dollar store and buy cheap paint bushes and bush out the dust, then clean mirror and all 3 top of Tube lenses . Make sure TV is unpluged.
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.
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.
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.
The spots can be in the inside of the lens settings to the CCD/imager.
If the cleaning of the lens is done well it can be a speck of dust logged in to the screen and having it on the image.
A careful cleaning in a dust proof set up is required.
If you have a SLR camera you can take your lense off and clean it.. I do not reccoment canned air because if you do not use it the right way liquid will come out. At best buy they have cleaning kits, and in their kit they have a little brush that you can squeeze regular air and brush off anything on the lense or around the lense, If you have a SLR camera you might have a built in cleaning option... SLR means Single Lense Reflex and this means your lense can come off/interchangable..