Question about Philips 42PF9630A 42 in. Plasma Television

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Fire caused smoke on back side of screen

Can the front glass be remove to clean small amount of smoke
behind glass on 1 year old 50' plasma Phillips model #
50pfp5332D/37

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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.

Posted on Jan 16, 2009

  • Axle80
    Axle80 Jan 16, 2009

    removing the screws from the braces is after you've taken the back off the TV. Sorry, I got a little ahead of myself there...

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Hi, I have a 50 inch Panasonic Viera TC-P50G25 Plasma TV. It worked great the first four months. Around the 5th month, white little blinking sparkles were all over the screen, and of course, they could be...


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.

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1 Answer

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Turn off the plasma display before cleaning it. Doing this is not necessary, but it's preferred, especially if you're going to use a cleaning solution spray. Since Plasma TVs use more power than and generate more heat than LCD TVs, it is best to turn it off AND allow ample time for the unit to cool to the touch before attempting to clean the screen. Failure to do this may cause your cleaning solution to evaporate before it has had enough time to remove any dust, dirt, or contaminants on your screen.[1] Some sources suggest unplugging the TV. Use a soft, lint-free cloth to remove fingerprints and smudges. Avoid wood-based products (paper towels, toilet paper, tissues) because they can scratch the screen. If stubborn dirty spots persist, go to the next step. However, be advised that some manufacturers, such as Pioneer, recommend no liquid at all on the front of their plasmas, lest it seep into the plasma display.
If you must use a liquid, spray-- a minimal amount of--the cleaning solution on the soft cloth, not on the screen. If the moistened cloth is not cleaning sufficiently, you can spray additional SMALL amounts on the cloth. At no time do you want the cloth wet to the point where the solution drips or runs down the screen! See previous point for the reason why. Use either just distilled water or non-ammonia or alcohol-based window cleaner. Ammonia and alcohol are substances which will eventually cloud any plastic with microscopic "crazing," with the effect of hazing and dimming the displayed image. After wiping the screen gently, follow up with a dry cloth

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Contact info:
E-mail: support@sanyotv.com
Phone: (800) 877-5032
Fax: (870) 630-4223

Please rate this solution if you found the information helpful.

Thanks,
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Thanks.

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1 Answer

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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.

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4 Answers

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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
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