Question about Sony KP-51WS500 51" Rear Projection Television

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Adjusting red hue

When I turn my tv the picture looks more or less good but after a while the red comes on, and cannot adjust it. I tried to adjust the color but it doesn't work. I talk to a friend and he told me that it needed the part that adjust all the colors and picture. but I dont know exactly what part he was talking about, maybe you can help me.he sadi it goes in front you have to take off where the speakers go,

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You will find that info here but it could be a red CRT going bad and the adjustments might not work.
Hope it helps

Posted on Jun 24, 2009

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Posted on Jan 02, 2017

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This is a problem related to the hue controlls in the TV. It is quite common.

Fix: You can go into the TV settings and try adjusting the hue/tint there.

If adjusting settings does not work, request help from a technician to fix it for you since it will take adjusting the hue internally and if you do not do it correctly it can damage your television.

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Both the picture and sound work when the TV is turned on, yet the picture is distorted like a double picture and has a yellow hue to it.


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Hey everyone. I have a Hitachi Rear projection Tv 53udx10b. I just replaced the convergence chips and cleaned all 3 CRT tubes. The picture definitely looks clearer now but the white tint has a slight...


You can try adjusting the color output. There are two ways to do this:
1) In the service menu (I don't know the codes or parameters...) I will not cover this for lack of info.

2) Via the focus block (Very touchy and difficult to get the mix right again if you get too far off)

If you take off the front cover there should be a access panel. Behind that, there should be a small square black box with 6 screws on it. This is the focus block. (At least this is where most of them are located)

It sounds more like you may need more red in the mix or just less blue and green. There is a screw for each color. Do not mess with the focus screws, just the ones labeled 'SCREEN.'

Barely turn the red up.
Use an insulated screwdriver and DO NOT TOUCH the focus block and ESPECIALLY NOT the back of it.
Very HIGH VOLTAGE. I found that out the hard way.

Do not turn andy of these up too high or damage may occur and the TV may detect a short and shut off.

I have found that if the three colors are adjusted in a dark room to where the 3 color spots (R/G/B) are just barely visible on the screen at equal levels, there is a pretty good color balance.

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1 Answer

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fix the red:

http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

· http://esupport.sony.com/perl/news-item.pl?news_id=24
· Which models are affected with the "flicker" problem?
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Definitely bad picture tube==not worth fixing......T.

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