Question about Philips Magnavox 55P9271 55" Rear Projection Television

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Cob webs behind screen - Philips Magnavox 55P9271 55" Rear Projection Television

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The frame around the screen just pops off. Unscrew the plastic holders from the chassis frame and the screen will come off allowing you to clean everything inside easily. The "2" thin screens are easily cleaned and put back on easily also. Don't do what I did and think the screens go into the front slot of your plastic brace, they slide easily into the wider slot. You'll also be able to clean the dust from the reflector and guns with Windex. Much better picture after wards, trust me. You would be surprised how much dust may have accumulated on the lenses.

Posted on Mar 07, 2010

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You will need to remove the back panel over the circuitry then the top rear section of the unit which houses the mirror. Unplug the unit from the mains. Remove all screws in bottom section. You may need help with the next part, remove all screws in the top section and remove the section exposing the mirror and lenses. Using a soft cloth and general purpose cleaner (windex), spray cleaner onto cloth. Using a circular motion clean the lenses being careful not to move any adjustments. If the mirror is glass clean it the same way as the lenses. If the mirror is aluminum foil be very careful and do not put much pressure on it as it will tear easily. Clean any cobwebs with a sheep tail cleaner available at any walmart being careful not to bump any settings. Clean the rear of the screen the same way as the lenses. Never spray cleaner on any of the components, only spray the cloth. Reassemble the unit and clean the front of the screen. You are done and should have a much better looking picture. Hope this helps.


Posted on Jan 31, 2010


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I have cob webs behind the screen. i have tried vacuming and blowing to no avail. can I some how remove the screen to clean it ?

remove rear cover---get a swiffer cleaner and gently from rear of set that is not plugged in reach in and wipe all the webs away--do not apply force to inside of screen---really no reason to remove entire front screen for this "repair".

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Removing front upper panel \ screen filter from PHILIPS PROJECTION HDTV

Due to cob webs swaying behind this panel\ screen filter, i was searching for a way to take this off. thought there were screws hiding.. come to find out, all u have to do is PULL this SCREEN FILTER \PANEL straight off... just be supper careful as not to crack the panel as it is only hollow square..

on Jan 11, 2010 | Televison & Video

1 Answer

How do i get cob webs out from behind my screen

easy way is remove back cover with set unplugged and use a swiffer type duster, do not force the duster as you can scratch the inside of the screen.

At the same time also wipe the three large black lens with a lens cloth or a paper towel with glass cleaner sprayed on the towel.

Let me know if this helps as I am here to help.


Dec 11, 2010 | Toshiba Televison & Video

1 Answer

I have cob webs on the inside of screen. How do I open up to clean them out?

Unplug the TV. Take the back off. Using a broom or duster with a long handle, get the cob web inside the TV. Make it sure not to push the screen out. Good luck!

Apr 10, 2010 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Dust buildup behind the screen

Remove speaker girll.No screws to remove grill just pull off.At the bottom of the screen frame you will see 4 1/4 inch screws.Remove screws and lift screen straight up.Clean cob webs and clean off lenses.I do not reccomend cleaning the mylar mirror.It is very delicate and you will scratch it.You can use windex to clean lenses.Good luck.

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1 Answer

Hazy yellow spot in the left lower corner of the screen

It could be a cob web inside the tv or something laying on one of the guns, like a dead bug. If it's a cob web, you should be able to move the tv a little side to side and see it change from the moving air current. I would remove the back and vacuum off the lenses of the guns and look for cob webs. It's safe to touch and clean the lenses, just don't touch any electronics.If this doesn't fix it, it's probably fluid starting to cloud up in the guns or IC chip problems.

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Needs to be cleaned

The back comes off the unit.  Lots of screws.  If you do this, DO NOT touch anything related to the tubes.  Power it off for several hours...unplugged...before touching it.

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1 Answer

Cob web

The cob web is likely to be on the other side of the screen. I undid the back cover and dusted the screen from the inside. I also sprayed pesticide inside the TV (wood and corners only!)

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1 Answer

Cob webs

This model has a regular glass CRT part # A80AJZ9010. The cob webs may be just scratches in the glass. I don't see a protection screen listed on this set. But I will look better tomorrow, and get back to you if I find anything.

Jan 20, 2008 | RCA 32F531T 32" TV

1 Answer

Cobwebbs between the screen and the screen protector

Hi pykeman,

I have successfully used a feather duster taped to a vacuum cleaner extension tube with duct tape. Remove the back panel of your projection television, then remove the the rectangular panel near the top over the chassis where the cabinet exposes the inside screen area. You will see the red, green, and blue CRT lenses. Insert the feather duster through this rectangular opening and sweep your cob webs away from the screen. Works for me every time.


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