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Re: rca-r56wh76y851 tv front glass
Is a protector plastic?...If yes, Sure, you can replaced. I recommended open the front cover and use tape meter. Go to glass store and ask for plastic glass....You can use this plastic. If are you talking about lenticular screen, this is expense new (over $385) .Try to find a close TV shop and ask for used replacement.....That's work !!!
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Most of your Auto Parts stores stock a glass and plastic polish for about $10. to $20...Sometimes this polish will do the job...depending on the depth of the scratch, another option...many glass replacement shops will perform a machine polish on the scratch in an attempt to clear it. Hope this helps.
There are couple of materials in which sunglassess are made of. 1. Glass Lenses - it's has number of advantages: -Exceptional scratch resistance (don't need scratch resistant coating). -Excellent optical clarity. -Anti-reflective (AR) coating adheres to glass very well.Disadvantages are:-At least twice the weight of plastic or polycarbonate lenses. -About 25 to 40 percent thicker than polycarbonate and high index plastic lenses. -Can shatter or chip easier than lenses made of other materials. -Require a special coating to provide 100% UV protection Second type is Plastic Lenses:Advantages:
Lightweight - About half the weight of glass lenses. Plastic lenses accept tints easily. More shatter - resistant than glass lenses.
About 20 to 35 percent thicker than polycarbonate or high index plastic lenses. Require scratch-resistant coating for added durability. Require a special coating to provide 100% UV protection. Another type is Polycarbonate Lenses:Advantages: Safest lens material - 10 times more impact resistant than other lenses. Thin - About 20 to 25 percent thinner than plastic or glass lenses. Lightweight - About 20 percent lighter than plastic lenses. Blocks 100 percent UV rays without needing a special coating. Disadvantages: Requires scratch-resistant coating for durability. Peripheral vision may be slightly less clear in strong prescription powers. More lens reflections than glass or plastic lenses (AR coating recommended). High Index Plastic Lenses-Advantages:
Lightweight - Between plastic and polycarbonate lenses in weight. Thin - About 15 to 30 percent thinner than plastic lenses. Better peripheral optics than polycarbonate lenses (for prescription sunglasses). Disadvantages: Requires scratch-resistant coating for durability. More lens reflections than glass or plastic lenses (AR coating recommended)
I have used clear plastic sheets and silicon tire dressing for smaller problems like this, but no idea how well it would work with a large screen TV. The westleys silicon tire shine smooths out the scratches, and you place the clear plastic sheet on top of that and work out any bubbles then tape the ends. It pretty much changes a standard screen into a glossy screen with the added benefit that you can always replace the sheet if it is damaged. I usually get my clear plastic sheets packaged with the new LCD screens I purchase for repairs and I just keep them in storage.
you may want to get somthing like b12 chemtool and clean the glass. this glass will get a build up that resemble scatches on them. try scrapping the scratches with a fingerrnail to see if its build up or real scratches you might be surprised. paper does not scratch glass
Much like anything in your home, TV screens get dirty with fingerprints and dust and require a periodic cleaning. Keeping your TV screen clean is essential for ensuring a clear picture. However, cleaning the front of your TV is not something that should be left for the cleaning lady. The use of certain cleaning products and solvents can damage the front of your TV screen. Special care must be taken in order to make sure that your TV screen is cleaned properly.
Every kind of TV has different steps for proper cleaning. If you are unsure what kind of TV you own, consult your TV user's manual to ensure that you are using the right cleaning method.
Direct-View - Older direct view TV's can be cleaned with glass cleaner and a paper towel. Newer tubes that may contain any special coatings, like an anti-glare coating, should be cleaned with a damp cotton cloth. If you are unsure if you have any special coatings, it is best to be safe and use the damp cloth.
CRT Rear-Projection - Before you can begin cleaning, you need to determine if you do, or do not have a screen shield. A screen shield is a hard plastic cover over the front of the TV screen. If you can't tell, give the front of the TV a light tap. Another way to tell is to check for ridges in the screen area. If you can feel ridges on the screen, then you do not have a screen shield. Rear projection TVs without a screen shield require a special kind of cleaner and rag. These are available for purchase at your local TV service center. Those that do have a screen shield should be cleaned with a dry or damp soft cloth. If it's extremely dirty, a mild soap may be used. Do not use paper products, such as paper towels, to clean the screen shield. Paper products
can easily scratch the surface of the shield. Screen shields can have a tendency to streak while cleaning. If this happens, use a dry cloth and buff the screen in a small circular motions.
Microdisplay Rear-Projection - All microdisplay TVs have some sort of screen shield on the front. These TVs should be cleaned with a damp cloth. Microdisplays with a shiny screen shield can be cleaned with a mild soap if extremely dirty. Those with a flat screen shield should not be cleaned with any cleaning agents. Do not use paper products to clean the front of the TV because they could scratch the screen surface.
Plasma - Plasma owners should clean the front of the TV with a soft, damp cloth. The use of a mild soap for heavy cleaning is acceptable. The use of heavy cleaning agents could strip the special coatings on the screen, and paper products can scratch the front of the TV.
LCD Flat Panel - Be careful with flat panel LCD TVs! Use a slightly damp soft cloth to clean the LCD screen, then immediately dry with a soft cloth. Do not press hard on the screen during cleaning. Doing so could cause severe damage to the display. Do not use any cleaning solvents, such as glass cleaner or soaps, to clean the LCD screen. Paper products could scratch the front of the screen. If you have a pet or child that rubbed something on the screen that you feel could stain or damage it, contact your local TV service center for assistance.
When dusting the TV cabinets, dust with a damp cloth or a mild cleaner. Paper products can scratch the surface of high-gloss cabinets, so avoid paper products. Heavy cleaners can strip the finish off of TV cabinets over time. When cleaning speaker grilles, dust with a dry cloth. Wet cleaners could stain or damage the grille cloth.
There are liquid solutions for filling LCD scratches it's basically a plastic material that fills the scratch.
Big scratches are more of a problem. I am assuming that your Plasma screen has a glass surface and that it's only scratched, not physically broken. You may also try glass polishing compounds for filling and polishing chipped windshields. Be careful, try it on a small spot first to make sure that you don't dissolve any plastic anti-reflection coatings etc.
I would simply replace the plastic sheeting. Will certainly be cheaper than replacing a tube. Glass tvs don't normally come with this plastic so leave it off if you can remove it. There is a type of spray on the market for this purpose, just don't know if available in your country. Please note: It is dangerous to use a tv which had been scratched beyond 1.5mm, The glass may become unstable and implode if bumped by accident. Good Luck,JUS004
the outer screen on these units easly replaced. RCA #258797 their called supersheilds.. rca charges about 70 dollars for the item...If it is just that i have seen people just use a clear sheet of plexi. removeing the screens requires removein several torx 20 screw around the outer and remove the frame.. then the clear peice of plexi is attache with serval brackets.