Question about Pioneer PRO-520HD 53" Rear Projection Television

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Remove screen for lens cleaning - Pioneer PRO-520HD 53" Rear Projection Television

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See previous answer just posted.

Posted on Dec 22, 2012

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1 Answer

How do I clean the inside of the screen?


Don't even try to clean the inside of the screen on the mode indicated here, av 56p575.

If the picture is darker remove rear cover and reach up with a lens cloth and clean the three large lens---they are your light source.

What is your reason to want to clean the inside of the screen, I am able to offer advice there.

Dec 09, 2012 | JVC AV-56P575 56" Rear Projection...

1 Answer

Dim/dark Picture


The model indicated here is rear projection that uses three picture tubes.

If rear cover is removed--can be done by removing entire front screen but there are hazards like damaging the screen---with rear cover removed clean the lens in the three round cyclinders which point up and are hard to miss===

They are the light source for the picture---there is if you look up inside and to the rear a mirror but unless grimy it rarely needs cleaning.

clean the lens with a lens cloth or even a paper towel with glass cleaner sprayed on the towel.

Jun 12, 2012 | Pioneer PRO-520HD 53" Rear Projection...

1 Answer

Remove tv screen from hitachi projection tv


The entire screen unit can be removed but first remove rear cover and look at the lens--clean with a lens cloth etc----peek up inside and look at the mirror--if not dirty or smudged just clean the lens.

removing the screen with its frame can be tricky--easy to damage the screens etc. Removal usually requires front speaker grill to be removed first---most just pull off but a few are secured from rear by some screws.

With it off look to see if at bottom of screen there are a row of screws--if the entire front unit can be removed it will pull out at bottom and be snapped in place.

A better suggestion is look at rear of set above back cover--if the upper part is plastic--it with the back removed can also be removed--careful as mirror is bolted into it---that way you can clean the mirror and get at the lens for the tubes without trying to remove screen unit--some of the smaller sets this is the ONLY way to get at the mirror.

Yes a number of screws but if plastic upper rear comes out with mirror much easier and safer way.

May 29, 2012 | Televison & Video

1 Answer

Just wanting to know how to remove the front screen to clean the dust of the projectors


You can do that but an easier way is to remove rear cover (set unplugged)and clean the lens with a lens cloth or paper towel with glass cleaner sprayed on it.

It is fairly easy to damage screen when removing it/replacing it.

Let me know what you find.

SD TECH

Aug 12, 2011 | Hitachi 57F510 57" Rear Projection...

1 Answer

The eyepiece lenses have something on the inside. Can they be removed for cleaning?


  1. Carefully clean your binoculars by firstly removing any dirt or dust from the main body and straps using a soft microfibre cloth. Avoid the lenses at this point using any form of cloth on the lenses before removing all dirt and dust particles first could destroy them.
  1. Gently remove all traces of grit, dirt or dust particles from the lenses using a soft lens brush or canned air specifically designed for the purpose.
  1. Waterproof binoculars can be rinsed gently under a tap but be sure to use on lightly running water, avoid high pressure water as it could damage your binoculars.
  1. Gently remove any remaining marks using lens cleaning tools such as a lens pen or lens cleaning fluid and lens tissue. Do not be tempted to use kitchen towel or anything else lying around that is slightly rough and may scratch the surface of the lens, only use a lens pen, lens tissue or a lens cloth. Gently wipe the lens using a circular motion working from the centre of the lens to the outer edge. NEVER apply lens cleaning fluid directly onto the glass (always apply to the cloth) and always ensure that the lens cleaning fluid you are using is recommended for the type of lens coatings that have been applied to your binoculars (Do not use general household glass cleaning products or products designed to clean computer screens or glasses. Such products could destroy the lens coatings of your binoculars if used).

May 15, 2011 | Tasco 7x50 Waterproof w/Imp. Compass...

1 Answer

Need instructions on removing the front screen for ceaning spider webbs


THERE IS A BETTER WAY TO DO THIS THEN REMOVING THE SCREEN--IT CAN BE DONE BUT UNLESS YOU KNOW EXACTLY WHAT YOU ARE DOING YOU COULD DAMAGE THE SCREEN.

Here is what I would suggest checking out first.

1) With the set unplugged remove the back cover.

2) With the cover off if you can see the three large black lens---and have enough room---get a swiffer type duster on a rod and carefully reach up inside from the back to get all the webs out.

3) If this works---it is also a good idea to wipe the three lens clean of any dust--do not remove the lens--it is not needed--you can clean then with a paper towel with glass clean sprayed on it--they are glass not plastic.

Let me know if you have questions--I am here to help.

If this information has helped you, rate this solution as I do this here for FREE.

SD TECH

Nov 14, 2009 | Toshiba 65H80 65" Rear Projection...

1 Answer

Picture can be seen but its blurred around the edges of corners of screen


clean the mirror and all the lens and the screen.you will need to remove the screen to clean the lens and mirror.

Aug 08, 2009 | Televison & Video

1 Answer

How do i clean the inside of my 57" projection tv . this is an hitachi flat screen, i have spider webs inside


without knowing the model number; some you can remove the rear cover and gain access with a swiffer type duster and clean the webs out(also clean the lens at the same time) Others: the only easy way is to remove the screen--not real easy if you have never done it before---most outside service techs will be happy to come to your home and clean the webs out; also clean the lens and the mirror.

Aug 06, 2009 | Hitachi Televison & Video

2 Answers

Fresnal lense


What kind of camera? Some camera's have removable fresnel lens held on by a spring loaded frame. Other camera's must be disassembled to replace the lens. There is no way to repair a damaged fresnel lens.
Pentax K1000 must be disassembled.

Sep 21, 2008 | Pentax K1000 35mm SLR Camera

1 Answer

Cleaning mirrors and lenses on Sony big-screen projection TV


it's fairly easy to remove the screws on the back bottom portion of any rear-projector television. when the bottom part is removed, you will see both the mirror and the 3 lens. isopropyl alcohol or windex should do an efficient job. a soft lens rag can be found at any camera store. i'd spray the lens rag instead of the actual lens or mirror when doing this job.

Mar 31, 2008 | Televison & Video

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