Question about Proscan PS61700 60 in. Rear Projection Television

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How do I clean the lens and mirror on a PS61710 rear projection tv? We had to replace the fuse and now the colors are messed up and the screen is curved.

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Posted on Jan 02, 2017

SOURCE: cleaning lens and mirrors

You have to remove the back cover by removing the screws.
Use a microfiber clothe and be gentle.

Posted on Jan 20, 2008

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1 Answer

WHY COLOR IS HAZY?


Model indicated is a projection set with three picture tubes.

Cleaning may help your problem--two ways to do this-

with set unplugged remove rear cover and clean the three large black lens you cannot miss--if dusty the picture will be dull and darker--should be done once a year.

Peek up inside to the rear and look at the mirror--unless grimy leave it alone.

Other way is to remove entire screen unit which if you have not done that entails some danger of damage to the screeen.

Try cleaning the lens to see if improvement.

Jun 12, 2012 | Toshiba TP50F60/61 TV

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

LEFT SIDE OF PICTURE IS BLURRY AND COLORS DISTORTED


Does that set have whats called a color wheel, if so that maybe you problem, and replacement is how you fix it.

Apr 30, 2010 | Toshiba TP43H95 43" Rear Projection...

1 Answer

The bottom of the screen has transparent green blotches


This model has a geometry mirror that is lies in the front of the cabinet. It is dirty and needs cleaned. Remove the middle front plastic cover, between the screen frame and speaker cover. Remover the screen frame, disconnecting the harness (4 screws are behing that middle cover ;). Clean the mirror and reassemble. Wipe the lens while you are in there and do not touch the big mirror... you'll really have a mess if you do. Also, use caution not to put pressure on that little mirror as you clean it, you'll mess up the geometry and end up with a trapezoidal picture.

Mar 13, 2010 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

The screen looks faded. The colors are right, but


take off the front of the set, and clean the lens as well as the mirrors inside the tv set
Techman

Dec 14, 2009 | Sony KP-53XBR200 53" Rear Projection...

2 Answers

Dark, ghost-like, triangle-shaped area in upper right part of screen. Picture shows thru the area. What causes this?


I had the same problem on my 50" DLP. Today I took the light projection mechanism apart to get to the mirror tunnel (a piece about 1.5" long located between the projection bulb housing and lens housing) and, for now at least, the shadow problem has been corrected on my TV.

It would be difficult to describe in detail without photos of how to remove the mirror tunnel. Briefly, once the lower rear cover is removed, it involves completely removing the entire assembly of the projection bulb and lens, along with disconnecting 3 or 4 cable connections. This assembly is held in place with 3 large screws around the projection lens housing in the lower center of the TV. After it's completely removed from the TV, removing smaller screws will break down the component parts. Once you locate the color wheel (about 2" in dia.) between the bulb and lens, the mirror tunnel is directly adjacent to it.

Handle it all with care, and I strongly suggest that you immediately cover the protruding projection lens will a lens cleaner cloth (held by rubber band) so it doesn't get scratched or smudged while you're working on the assembly. This will all make more sense after you get into it. Just remember where everything goes, both cables and screws!

My four mirrors had indeed shifted into a flatter parallelogram than it should be. On my set the metal tunnel casing is molded so that it doesn't allow for the mirrors to be in the shape of a rectangle; it requires a parallelogram shape. The mis-shapened tunnel caused a small portion of the metal mirror housing (on the lamp end) to protrude into the interior of the tunnel, hence the shadow on the screen.

To re-shape the mirrors I gently inserted a nylon cable tie--with a sharpened leading edge--into the tiny gap behind the mirror that had shifted. In doing so the mirrors shifted back to the proper positions and stayed there when I removed the cable tie. (Be very gentle with the mirrors and do not insert anything into the tunnel!)

It's not clear why this (now restored and larger) gap behind that one mirror even exists, but to ensure the the mirrors don't shift again, I inserted and left in a length of cable tie (which is near perfect in thickness and width) in the gap. Time will tell whether heat will deform it.

Perhaps a similar-size strip of metal would be better but I didn't have one. And I would not use any kind of glue or adhesive on these mirrors (as others have suggested); with their small size and the need to keep them crystal clear there is just too much potential to royally mess them up.

After putting it all back together and testing, the shadow is gone. Hope this helps and works for others!

Nov 25, 2009 | RCA HDLP50W151 50" Rear Projection HDTV

1 Answer

Picture Quality


Clean the lenses and mirror. - Carefully with no liquid, just a micro-fiber cloth. They can be accessed by removing the front screen.
There are items in the service menu that can tweak color drive and grey scale, but you can really mess up a TV if you do not know exactly what you are doing. You can also do a comprehensive convergence in the service menu.

Sep 08, 2009 | Sony KP-57WS520 57" Rear Projection...

1 Answer

Tv color not bright enough and just replaced lamp


Clean the small mirror in front that projects the image onto the rear mirror. The Rear mirror always stays good but the front small mirror gets dusty and the colors and bright levels get affected and appear dim.

Jun 09, 2009 | Mitsubishi WD52527 52" Projection HDTV

1 Answer

I need to clean mirror


Most rear projection sets the screen will pop off the front. Usually a couple of hidden catches. Get another person for this.
Once off you can clean the mirror but not the inside of the screen.
Unplug tv first

Mar 13, 2009 | Toshiba 43A10 43" Rear Projection...

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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