Question about Sony KDS-R50XBR1 50" HDTV

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Screen color I have noticed that when I bring up the Dish TV schedule I notice that on the left side of the screen is a darker color than the middle of the screen. This is the only time I notice this. The TV is almost three years old and I have not had to change the DLP lamp yet. Can this be the problem. Rick

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  • 81 Answers

Could also be the dish receiver, I have seen that on direct tv hd receivers where the color is different from one channel to the others.

Posted on Apr 05, 2008

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I have a 42 in Sony HDTV model # KDF-42WE6555. I notice a few months ago a blue line down the left side. TV still wking good. Today I notice a yellow patch on the right side. TV is still wking good except...


i have the same problem but mine has a blue line surrounding the screen the tech took out the fly wheel part from inside this part has the 3 main colors with strips the blue side strip if you look at the glass it has the problem you see on your screen you have to replace that one section

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GREY SPOTS ON BACK OF SCREEN NOTICEABLE WITH WHITE


Hi if your tv is a dlp it might be an issue with the DMD board Hi,Yes your problem sounds like the DMD board.This is how it works: http://electronics.howstuffworks.com/dlp1.htm Basically the light of the lamp goes through a tunnel that carries a color wheel(rotating disc with a gamma of colors that creates the colors on your tv)then the light of the lamp goes through the DMD board which is a chip composed of around 2 million pixels that creates the images and colors.When it starts to fail it will create black bars,pixelation,color distortion or white dots on screens. Here's a video that will help you find where the DMd chip is located : http://www.youtube.com/watch?v=0jr_9A5Xd2Q Have a blessed one!

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LG rear projection colours out of alignment


I have a similar problem with an LG (except my red is the one that is fine) and was able to talk to a tech in some detail about it. The tech prefaced by saying that he had done a hundred or so of these with exactly the same issue. This is very common and the life span of rear projection televisions is not great. Having said that, plasmas and LCDs are also limited in life span mostly due to modern high performance gaming machines which shorten the lifespan of monitors both plasma and LCD alike.

From what I have gathered, this is not a problem that you can easliy sort out. (Of course they would say that though) It involves replacing the digital board which means soldering followed by aligning the lamps which requires quote a lot of expertise.

The part itself apparently costs around $200 Australian and the labour will vary for the cost of the technician but I was quoted that the labour was about the same cost as the part.

Not sure if I would call this solved but I hope it has been at least a little helpful.


May 26, 2009 | JVC AV-56P575 56" Rear Projection...

1 Answer

Screen getting dark


If you have never changed the lamp this is more than likely the issue, as the tv ages the lamp looses brightness. Most lamps are rated for 3000-5000 hrs of use. Replace the lamp assembly part # UX21514 and you will notice a much brighter picture. You do not mention if the tv plays the right colors on the entire screen. These have had light engine issues.
Good luck with it
JOTVGUY

Apr 07, 2009 | Hitachi 50VX915 Rear Projection Television

1 Answer

Dark band on left side, Samsung HL-R5668W


the reflecting mirror is likely loose and falling down inside the light reflecting tube. you should have seen the band getting darker and larger,
the small mirror is in front of the lamp and bends the light,
remove the lamp and look down the tube (light path)

May 06, 2008 | Televison & Video

1 Answer

Green Tint on half of the screen


This is most likely a defect in the optical unit (about $1500.00 part). If out of warranty probably will just have to live with it. Those op units are also hard to get.

Jan 15, 2008 | JVC HD-61Z575 61" Rear Projection...

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Big vertical tinted stripe on screen


Need more information:
Can you isolate which color is causing the banding?
Is there something ON the lense itself?
Is the projection mirror broken or bent?

S

Dec 12, 2007 | Sony Grand WEGA KDP-57XBR2 57" Rear...

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Yellow and Blue shadow on left side of screen


Blue convergence off = needs convergence IC's replaced =
Would you like step - by - step how to ??????

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Panasonic PT 44LCX65 model


I also have this problem. TV is 2 years old. Service tech says the repair will cost about $600 per spot. I have 4 spots

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3 Answers

Horizontal Lines


sounds like you are seeing retrace lines. you will have to adjuste the screen control. (it would be like a master brightness.) you will have to removed the front bottom plastic from the tv, look for 2 to 4 screws. then gently remove the front. sometimes the also add velcro to help hold it in place. now you need to remove the small plastic or wooden panel/door. in the upper right side you will see a small box with 6 controls.i do nor remember if the top 3 controls are for screen or focus, use a flashlight it is marked on the box which is which. adjusted the screen control to the left slightly to decrease the color you need. the green is the center control. like you said it is more noticable on dark screens, so try & adjust it in a dark romm with a drak seen. good luck.

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