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Re: fire caused smoke on back side of screen
Yes it can, but not by any even moderately simple means. The screen itself is as fragile as 50" eggs. If you're dead set on doing it you're gonna need help, and not from little sister. I can only guess as to what your set looks like, but if it is anything like the older models, the screen is protected by clear plastic. Between those two is where your smoke is. IF and thats a big IF, its still the same, all you need to do is remove the screws in the top and bottom of the large braces that recieve the stand. from there you're likely going to have to unhook wires to speakers or the ambient lighting if your tv has it, but that's easy. Carefully lift out the screen with help, by the braces which should still be left screwed into the plastic and metal columns connected to the metal back of the screen. I DONT recommend setting the screen down anywhere unless you have a static free room with no lint. Just have person two use a real microfiber cloth to clean the insides of the screen protector, your call if you'd like to wipe the actual display, I don't know if it will cause it any harm or not. The problem is that by doing this you might be exchanging smoke for lint and fibers from the cloth. Reassemble and don't take your plasma camping anymore. Good Luck.
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You are going in the right direction. Use that warranty to the MAX!
In a nutshell, the problem is probably related to the sets power supply.
I have answered quite a few plasma TV problems and most are centered around the power supply.
It takes a huge amount of current to "ignite" the plasma to get it to glow. Once it is lit, current is constantly fed by scanning through over a thousand "power" lines on one side of the screen and scanning over a thousand "address" lines on the other side. The sparkles and lines can be a secondary effect of its not being able to regulate voltages correctly.
The power supply in a plasma set has its work cut out for it and it is very important to make sure that it gets the ventilation you manual says it needs.... blocking the vents can quickly overheat a plasma set.
Some FYI stuff about plasma TV's....
1- due to their very nature, a plasma picture will dim over time. The materials that make up the power and address lines are slowly "sputtered" across the very thin gap between them and eventually darken the inside of the glass. This is slowed down some by coating the insides with a clear magnesium oxide film during manufacturing.
2- It is very easy to "burn" an image into a plasma TV screen, so avoid playing video games on it and don't let a "still" screen stay on more than a minute or so.
3- The screen itself is made of common "soda glass" - the same as window glass, and is usually 1/4" thick on each side (a little over 1/2" total) and this accounts for most of the sets weight. Between the two glass plates, there is a small gap that is made by fusing thin glass rods into the screen. In this gap is a vacuum, with a small amount of a rare gas mix added. Be careful not to hit the screen because if it cracks, vacuum integrity is compromised, the gas escapes, and your TV will be worthless.
Remove front speaker grill(s) at the bottom of the screen behind the speaker grill you will find four or more black screws hold the bottom in. Look carefully to see the front keyboard needs to be unplugged---usually one or two different size plugs; you may have to remove the inspection plate located in back of the speaker grill to get to the point where they can be disconnected, with the keyboard disconnected the entire screen lifts straight up(you need to bring it up 3-4 inches and then it comes straight out(there are two hooks on either side that it goes into--when you finish line up a little and slide it back until it is back in place.
Clean the mirror with glass cleaner and the lens can be cleaned with a lens cloth or with a paper towel with glass cleaner sprayed on it.
Replace the screws and the speaker grill unit for the set.
I do this here for free so if this helps you give me a vote here.
It is recommended to use a simple alcohol solution to clean an LCD or PLASMA screen. This solution is made up of 1 part distilled water and 1 part 50% isopropyl alcohol. Be warned that isopropyl alcohol is flammable. 50% isopropyl alcohol is very common. If you find 70%, 91%, or 99% isopropyl alcohol, adjust the formula to use less alcohol and more distilled water. By mixing these two in a bottle, you will produce a model cleaning solution. Remember not to use tap water -- only use distilled water. Do NOT use tissues/Kleenex to wipe your screen. That is as ineffective, because they will leave little tissue particles all over your screen . Try and find some microfiber cloth to clean your screen. Cloths that come along with prescribed glasses are usually good. You may want to clean the rest of the actual screen before moving onto the LCD or PLASMA part. First dampen the cloth with the solution. You should never spray any sort of liquid directly onto the screen. Wipe the screen gently from top to bottom and wait for it to dry. Be careful not to let the cleaning solution leak into the sides of the monitor. Also, be certain that you do not press hard on the LCD or PLASMA screen. You can permanently damage an LCD or PLASMA screen by pressing on it too hard.
If there is just dust on your screen, there is no need to fully clean it. To remove dust all that must be done is to wipe it away with a microfiber cloth. Simply wipe your screen from end to end gently with the cloth.
For smoke filled room, It would be good to clean it once a month when the smoke is not around during cleaning.
I have never seen a mfg that recommended anything but a soft cloth and warm water on it, and below is what your manual say about cleaning. You should just use what the manual says.
Use a soft cotton cloth to gently clean the screen. 2. The screen glass is very fragile. Do not scrape it with any sharp object. Do not press or tap the screen to avoid cracking. When the screen is seriously contaminated, use a soft cloth moistened with diluted neutral cleaner to clean the display. Wring water out of the cloth before cleaning to prevent water from penetrating into the housing. Wipe the display with a dry cloth after cleaning.
I wouldn't use the screen cleaner as I have seen it discolor the Front panel of the plasma before. Then the panel needs to be replaced. Just put a small amount of water on a VERY soft clothe and clean it like you would a window. Do not spray onto screen as that can cause problems.
This problem is caused by screws being loose or dropping off a limiting bracket on the left side of the oven behind the left outer wall. This bracket allows the front glass panel to remain OPEN, as required for broiling.
To correct this, first check to see that the two black screws facing forward, behind the left side of the front glass panel are tight. If not, tighten firmly, but be careful not to overtighten. If this fails to correct the problem, then follow this procedure.
Purchase 2- #4 x 1/2" SS Phillips Pan Head sheet metal screws at your favorite hardware store. Cost About $1
Unplug the oven and place on a flat work surface. Place a rubber mat or towel under the oven to prevent scratching.
Remove 2- #4 x 1/4" black phillips flat head screws on the left side of the front glass panel which screw into the black side panel. These are NOT the screws which hold the bracket, which face forward, but are adjacent to the bracket screws. Be sure to indentify the proper location of all screws for replacement.
Remove the 4- #4 x 3/8" SS phillips pan head screws at the bottom of the left side of the oven. Pry the metal tab of the back panel slightly off the bottom of the black side panel.
Remove the 3- #4 x 3/8" SS phillips pan head screws from the back panel which attaches to the left side black panel.
Carefully pry the bottom of the left black side panel up from the bottom of the oven until it is parallel to the top of the oven. It will seem hard to pry it upward as you are bending two SS tabs holding the black side panel to the SS top. It will come up easily once you get it started. When it is parallel to the top, slide the black side panel to the rear to remove it from the two SS tabs.
You should now see the limiting bracket at the front of the oven's left side. Remove the 2- black Phillips screws holding the bracket.
Slip the limiting bracket from the oven. Place on a wood block and with a chisel (or large common screw driver) and hammer, strike the screw holes on the bracket firmly once, so as to close the screw holes slightly.
(OPTIONAL) If available, using a rat tail file (or small flat file), at the crook of the spring lever, carefully increase the indent of the crook ever so slightly. This will allow the front glass panel to stop more definitely at the open point.
Remount the bracket using the 2- #4 x 1/2" SS Phillips Head sheet metal screws you bought. Tighten firmly, but do not overtighten. Check the front glass panel movement. It should have a definite stop to allow the panel to stay open approximately 1/2" for broiling and should close fully, easily.
Slide the left black side panel on to the SS tabs.
Pry the left side black panel down until it meet the bottom plate.
Replace the bottom screws.
Replace the 2- #4 x 1/4" black Phillips flat head screws at the left side of the front of the front glass panel which screw into the black side panel.
The only way to remove the dust and or spider webs from that area is to remove the front bezel assembly and separate the protection screen, it's better to leave a svc. co. do this because the two screens behind that are very expensive. Hope this helps..
I have a Phillips 50 inch Plasma. About two months out of warranty the top half of the screen would go black. Sometimes when we tapped on the back behind the upper right hand corner the picture would return. I did some research online and found that there is a Main Y sustain board (much like a mother board in a computer) and connected to that board is a upper Y Buffer board and a Lower Y buffer board. According to my research these boards seem to be the source of the problem. I am assuming that the upper buffer controls the top half of my screen and the lower controls the bottom. I removed the back of my TV (about 50 small screws) and searched for these parts by part number. Surprisingly all of the parts in my Phillips are made by Samsung. I found the parts on ebay at shopjimmy.com. I decided to try replacing the upper Y buffer first. I ordered it from shopjimmy for about 100.00. When I received the part I started to remove my upper Y buffer and realized that the new part was slightly different. The part number was the same but the REV. number was slightly different. The new part was missing a small white connector that connects the upper buffer to the lower buffer. I sent it back for an exchange for the right part with no problem. Ok so here is the interesting piece of this little adventure. When I started to remove my upper Y buffer I removed the screws and started to pull on it to loosen it. When I noticed that I had the wrong part I pushed it back into place and put the screws back . My TV has worked perfectly since I did that, with my original part. It has only been about two months, but if you are in the same situation it might be worth a try.
if the tv turn on this will tell you that the plasma panel itself is ok. if it is ok then the fron glass is replacable. this is just a standard piece of glass so i really wouldnt spend tons of money hiring someone else to order one and install it.