Question about Panasonic PT-47WX49 47" Rear Projection Television

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Dull picture My rear proj. is 4 yrs old. I have been told the mirror and lights need to b cleaned. Can I do this myself and is this the proper solution to attempt.

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Yes you can take the back bottom of the tv off.You will see 3 bulbs 5or6" in diameter.take a very soft clean cloth spray cloth not bulbs.windex persoal cleaner for your glasses ect.wipe bulbs gently removing dust.Above thes lights are the mirror maybe 10"by12" clean that to spray cloth not mirror than wipe clean"Now get limber and try to reach the inside of the big screen and wipe completely.

Posted on Dec 31, 2007

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My Sony KP53S35 rear projection TV has a very dim picture and I was told that I need to clean the mirrors. Can you tell me how to take apart the TV to get to the mirrors and how to clean them?


chance are your problem is the projector lamp and not the mirrors. if the tv is 4 years old or more buy a new lamp, they are easy to change. as far as the mirrors go, you have take the back off to get at the mirror but its a lot of work try the lamp first.

Mar 12, 2011 | Televison & Video

1 Answer

Picture very dim, new proj bulb. never cleaned mirror,could that help?


Cleaning the mirror would certainly elp but be carefull, it is very thin and brittle.

Jan 20, 2011 | Mitsubishi WD-62525 62" Rear Projection...

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The upper left corner of the screen (triangular shape, approx. 8" vert. and hor. from the corner) is showing dimness, not completely dark but maybe halfway. What might be causing this? Thanks.


This is your mirror tunnel. Light passes through the mirror tunnel to the DLP. The tunnel is made up of 4 mirrors glued together. Over time the glue comes apart and the tunnel shifts.

It starts out like this: |_|
and when the glue breaks down it does this: \_\

So the light, instead of passing through the mirror tube, goes through the ends of the mirror, so you get SOME light but not all.

I contacted RCA and they said:
"Ok, well sadly they do not offer the light tunnel anymore, which is what you need. Sadly you would be rendered to get a whole new light engine assembly. That would be the D.N.D module, light tunnel,color wheel,optic spanner, and oci. mirror. Your best bet would be to search ebay for a broken engine and replace it that ways. "
Awesome support! NOT! (That is the actual full text of the message from RCA support.)

I have some high temp epoxy and will be attempting to re-glue the parts myself.

Mar 06, 2010 | RCA HDLP50W151 50" Rear Projection HDTV

1 Answer

Picture on sony proj. kp57wv600 has been looking "hazy" lately.


Remove top & bottom back to clean Mirrors and Tube lenses.Use windex.

Jan 03, 2009 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Philips 60


First of all,this is a major labor intensive repair on Philips TV's changing the blue CRT because the new CRT does not come with the coolant that is sealed between the lens and the tube.If you have never done this type of repair before you should not attempt. Changing the convergence board is one thing (you can solder in two STK392-120 IC's and repair the board instead)
but changing the CRT's can be a nightmare.If you are brave go to PARTSTORE.com and get the parts $600+ (I would order the service manual too...you will need it)

Aug 27, 2008 | Philips 60PP9202 60" Rear Projection...

2 Answers

Blurry partial picture on a 42" rear proj tv


Hello,
There may be dust on Lamp or at front screen. why dont you open rear cover of TV and give a close look?

May 28, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Bb sized greenish lite


It may be that some dust is on the projection lens. It is possible to remove the screen and clean the mirror and lens. However, it could also be an issue with the light engine itself.

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