Question about Philips 55P8241 55" Rear Projection Television

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Dirty screen How and What do i use to clean the inside of my 55" projection tv screen

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Re: dirty screen

Http:// That stuff is the best you'll find. Ever. You'll need to take your TV apart to access the inside of the TV. Take the speaker grille off and possibly assembly frame surrounding the TV(They usually snap off) you should find screws under that to further assist with disassembly.

Posted on May 09, 2006

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No power and dirty screen on inside

If no power the possible problem is the fuse, the power supply detector, power IC. The dirty screen cause by over voltage in your TV. This is due to defective power supply...
Call a technician to repair your TV

Sep 19, 2011 | Philips 55PW9363 55" Rear Projection...

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My sanding 55 in rear projection tv has several hundred dots on the screen and getting worse each day. How can this be fixed?

u need to unplug tv, remove cover of upper back portion which is behind the screen. u will see a mirror fitted on inside of back cover clean both screen, mirror. u will also find on bottom side 3 picture tubes. clean them as well.

Aug 25, 2011 | Samsung Projection Televisions

1 Answer

How to make the picture to a Philips 2002 rear projectiontv clear

needs to replace the liquid in the tubes of blue and green projection

Jan 06, 2010 | Philips 55PW9363 55" Rear Projection...

1 Answer

How do i clean the screen inside of ws-55613 55"

You will have to take the lower back off of the TV with the power off of course for safety. Only use like a Swiffer to reach in there to clean if the only issue is spider webs. If you use anything else you will end up scratching the screen assembly and they usually run between 300-500 for the assembly. Please take a few minutes to rate my answer...Thank you. :)

Nov 17, 2009 | Mitsubishi WS-55613 55" Rear Projection...

1 Answer

Cobwebs behind the screen of a 55" projection screen. How do I remove screen to clean the TV? I have a Mitisubishi WS-55809.

Hello morsec,

You will need to remove the screws on the back of the top half of the TV set. This will allow you to remove the top rear half of the TV and give you access to the screen. Make sure you do not break the mirror that is attached to the rear of the TV set. Clean the screen with a damp non-abrasive cloth dry with a dry non-abrasive cloth. When finish replace the back of the TV and tighten the screws to hand tightness.

I hope this helps,

Thank you,


Jan 15, 2009 | Mitsubishi WS-55809 55" Rear Projection...

2 Answers

Front screen


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 ******* 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.

Hope this may help;


Sep 06, 2008 | Toshiba 55H70 55" Rear Projection...

1 Answer


Hi. I had the same problem with my Philips RPTV and the fix is extremelly ease. You just need to open the back cover (mine uses torx screws). Inside the tv is very mechanic. You will find the three CRTs and most likely the lenses are dirty. You just need to wipe them off with a soft cloth. Also the CRTs project the image not directly to the screen, but to a big mirror and that mirror will be most likely dirty (like when you open the hot water in front of a mirror). Once you clean the mirror and the crts, your tv will like as the they you got it.

Jan 24, 2008 | Philips 55PP9502 55" Rear Projection...

1 Answer

Water stain on the front of our Akai PT5499 Projection TV

Hmm... should evaporate on its own. The only way to access behind the screen is to take the whole back off the TV, and then inside theres another panel that covers the main reflector and screen. I wouldnt recommend doing that just for water tho.

Dec 30, 2007 | Akai PT5598HD 55" Rear Projection...

2 Answers

Inside the cabinet projected on the screen?

well . there are 4 things that can cause this..
1= the outer screens could be dirty.clean with screen protector cleaner.Spray on cloth and not on outer screens.
2= outside lenses of picture tubes could be dirty.Unit can be opened .Outside lenses can be cleaned with a lens cloth .Do not use paper towels or cotton as this my scratch surfaces of lenses.
3= inside of picture tubes could be dirty.This should be done by a repair shop only(dirty coolant inside tubes)

Dec 28, 2007 | Philips 55PP9401 55" Rear Projection...

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