Question about Panasonic PT-47WX51 47" Rear Projection Television

1 Answer

Cleaning I need to remove the main screen to clean inside. I've had several flys get in there and as a result have specks and smears (all black) being projected on the screen. How do I remove it (the screen and bezel)? My guess is all the screws around the perimiter from the back? Any secrets I need to know?

Posted by on

1 Answer

Re: Cleaning

If you go in the back, you can clean the screen from the back without removing it. Be careful not to scratch it. If you have one, try a feather duster first. Also while you are in there, clean all three color tubes, Use a mild cleaner or just water as the lens may be coated and strong cleaners may remove the coating. Ours went 7 years without cleaning and the only question is why we could still see a picture.

Posted on Mar 23, 2008

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

1 Answer

I have a Samsung model HLS5085WX/XAA. We have black specks all over screen and black horizontal lines approx 4 inches a part all the way across the screen


All Plasma and LCD ts have boards that control vertical and horizontal output to their respective areas. They are connected to the screen by ribbon cables. If one of these boards fails all together, has a failed chip, a bad connection, or a bad ground somewhere it will result in a black line in the area of that board. A bad ribbon cable connection on the bottom will result in a vertical black bar though the screen. Many times resetting the connection will fix it, if the ribbon cable has been nicked there could be a severed connection. They an sometimes be fixed, but it is a pain. An yes I have done it, but the bar is gone. The same will happen if the chip that outputs to that area opens. The connectors are the first place to look paying close attention to the cable, they are extremely delicate so great care must be taken if you decide to tinker with em, the usually have lift locks that release them. Good luck in rectifying the fault.

May 17, 2011 | Projection Televisions


How to clean the lense and screen in a projection TV.

When you replace your lamp or do work in your dlp or projection tv you should also clean the lenses and reflective surfaces to allow more light to pass through giving a sharper and brighter image.

Inspect your unit to see how the screen is attached. Most newer units have the screen attached at the bottom with screws. To access the screws you will need to remove the speaker grille. To remove the grille gently pull out on the edge of the grille at a corner until it pops loose. Continue around the perimeter until the grille is removed. Now you should be able to get to the screws.

Remove all the screws at the bottom of the screen and any other screws which obviously appear to be holding the screen on. Grasp the screen by both sides and lift it straight up. You may have to give it a tug to get it started. Once removed lay the screen on the carpet on it's front.

Using a lint free cloth, usually cloth diapers will work, and a glass cleaner with no ammonia, spray the cloth and using a circular motion clean the lenses and mirrors. Be careful when cleaning the lenses as they are plastic and will scratch. Never wipe them with a dry cloth or paper towels. Do not wipe them anymore than necessary but you may have to clean them several times if the lenses are very dirty. Clean them until you see no streaks or smears.

If your mirror is foil be very careful how much pressure you apply. If your mirror is glass cleaning will be no problem but be careful not to break it. Foil mirrors generally require several cleanings and a light touch.

Never spray any of the parts with the cleaner!!! Always spray the cloth away from the unit then wipe the parts to be cleaned in a circular pattern.

Remember to clean the rear of the screen being careful not to apply too much pressure. Do not get any liquid between the screen surfaces which are usually comprised of three parts. Less cleaner here is better.

When all surfaces shine and are free of dust, reassemble the unit and you should have a much better picture.

Thanks for using FixYa and please consider a maximum rating and testimonial. By taking the time to give a maximum rating and write a testimonial you can keep the experts helping to solve everyone's problems. Thank you.


on May 04, 2010 | Projection Televisions

1 Answer


Hi, LCD screen is quite different with crt screen. You should be careful while do cleaning. Unplug the power supply before do cleaning.
How to clean lcd screen: You can use isopropyl alcohol, hexane, petroleum benzine, glass cleaner with ammonia free.Apply the liquid to soft and clean cloth then wipe your screen. Repeat the steps until your lcd clean
Grease look on screen? Just use dampen cloth with water instead use above liquids as the may smear the contaminant across the screen.

Regards, Jay

Jan 20, 2011 | Hitachi 57F500 57" Rear Projection...

1 Answer

Screen needs to be cleaned from the inside, blotchy screen, looks like it may need cleaning, but what should be used to get the best result?

This is not a cleaning job as such The screen is filled with a special light sensitive fluid that responds to electrical stimulation to produce a picture.Replacing this fluid is a specialist job not a DIY depending on age of TV might be cheaper to retire it and buy a new one

Aug 31, 2009 | Projection Televisions

1 Answer

Looks like I have a couple of flys on the inside of the screen

Dont even think of removing the screen.....virtually impossible to reinstall. If you must clean...clean the picture tubes. Blow the dust off the lenses with air spray, then spray a lint free cloth with a lcd, plasma cleaner. Try not to use windex. [leaves a film on plastic lens] . Now pay close attention because the mirror you try to clean is a reflective plastic sheet that can tear easily. Lightly brush a new feather duster on this. Now you can only do this by removing the lower back cover [a hard cardboard material] and dislocate your elbo to clean . You can clean the inside of screen with the feather duster, donot use a cleaner inside the screen or mirror. Relocate the old elbo and replce the lower back cover.

Aug 25, 2009 | Philips 55PW9363 55" Rear Projection...

1 Answer

How do I take the front screen off to clean the bugs out? Philips 60PP9100D-37 60" Widescreen Projection TV

First: do not take front screen off for cleaning--easy way is to remove entire black plastic shroud (you look at back of set and you will see 2 silver pegs near top edge) This set uses torks type screws---you need to remove several and the entire upper plastic in back comes off. The mirror is suspended separate from this.With the shroud removed you can clean the lens of the 3 picture tubes or any debris on the inside of the screen----do not use glass cleaner on the screen; but if you have smudges or bugs on the inside just use a very fine soft cloth(you may need to moisten it slightly) Any mark you make will show! If you find you have spider webs use a swiffer type duster to remove them.

I do this here for free so if this was helpful give me a vote here. If you have questions or need help let me know.

Aug 03, 2009 | Philips 60PP9200D Television

1 Answer

Liquid under screen on mitsudishi dlp tv

With a conventional projection type screen on CRT type televisions this is not a problem,but with the newer DLP type screens the fiber of the Fresnal screen acts like a spounge and soaks up any liquid introduced.If you try to clean it it will smear and make it worse.You can remove the screen assy an clean it with Windex but allow it to dry properly.I do not see a problem with cleaning this screen,but make sure you put the screens back the way they were.I must also note that it is no easy task removing this particular screen assy.Good luck

Jan 17, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

Black spot on screen

And yes, you are right. It is the light engine causing it. And unfortunatley you need to have your light engine replaced also. I've replaced several of them for that same reason. So I know what I'm talking about.


Feb 03, 2008 | Toshiba 50HM66 52" Television

1 Answer

Yellow residual image/smear

I think it is time to buy a new set but if you want to invest some money in it then take it to a qualified tech as these projection sets are a bit complicated.your problem is a convergence the projection lens needs to be adjusted lens.good luck and bleeeing from belize

Mar 20, 2007 | Hitachi 57F500 57" Rear Projection...

Not finding what you are looking for?
Panasonic PT-47WX51 47" Rear Projection Television Logo

Related Topics:

58 people viewed this question

Ask a Question

Usually answered in minutes!

Top Panasonic Projection Televisions Experts

Jaime Hernandez

Level 3 Expert

2267 Answers

Josh Whitehead
Josh Whitehead

Level 3 Expert

1142 Answers

The Knight
The Knight

Level 3 Expert

66498 Answers

Are you a Panasonic Projection Television Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides