Question about Mitsubishi WS-48311 48" Rear Projection Television

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Blurry picture How do I adjust the focus

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By focus is the set looking 3d etc--called a convergence issue---if so go into the menu with the Mitsubishi remote and see if it will adjust---if off and will not adjust in some area of the screen the set needs the convergence chips replaced.

If convergence is good and not the issue describe the problem a bit more----these sets have 3 picture tubes with lens---from rear of set (safest way) the lens can be cleaned with a lens cloth---dust on them will make the picture look darker and dull looking and usually is done one time a year--do not try to adjust anything until you try this first.

Posted on Nov 05, 2012

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1 Answer

VIEW SCREEN IS SO BLURRY I CAN'T TELL WHAT ITS SHOWING.


Is it the viewfinder (that you hold up to your eye) or the screen that's blurry?
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Try adjusting the focus ring around the lens. Poor quality try adjusting room lighting or you may need to upgrade to a better webcam.

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The picture is blurry. does anyone have a solution to this or has anyone had a similar problem.


I have a blurry screen and the top of it the picture is curved a bit. I was told to adjust the focus knob but I don't know where that is in the back of the TV. I took off the back and couldn't find it. I also tried to adjust the manual convergence and the red would not adjust only the blue would align. Any suggestions.

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1 Answer

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1)Remove rear cover = clean RGB lens with soft cloth
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................................................T.

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1 Answer

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adjust the flyback focus of your tv
just look at the flyback and you can see there the focus and the adjusting for the screen.

thats only what i know at least maybe it can help =).

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1 Answer

Sony TV with blurry picture


blurry picture is mainly due to focusing voltage is not proper. solution 1 check & adjust focus control on flyback. 2 check crt base for loose. 3 wire going to focus control on crt base got disconnected due to foreign materials deposit on it. 4 if tv is old possibility of crt getting weak.

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Each projection set has focus controls in back, usually they don't move or go out of focus unless someone moves it, but in your case if you open the back you will see a focus block with 6 knobs 3 are for screen,I would highly recommend that you don't move this. Look for the focus and you will have to set each with the one color. Cover the other two and adjust.

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How old is the set? If picture is really very blurry, Try adjusting 'focus'. You can find this conttrol generally at the rear of the set. Otherwise,. if you know solid state electronics, Check the Focus control on the FBT. It is also possible that the CTR Base is faulty. Replacing this helps.

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