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Can the focus be adjusted on a rear projection tv to make the picture sharper?

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Yes but you have to be careful high voltage. Remove the front grill some have to be unscrewed and some just pop off. There will be a black box with pot adjustments they will say screen voltage and focus. there will be three for focus for all colors red green and blue; move slightly with plastic screw driver please be safe it is high voltage dont touch with hands if you dont feel comfortable hire a proffessional.

thanks doctor video

Posted on May 18, 2008

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How do i adjust the magic focus?


  • Press "Menu" on the remote select the "Magic Focus" option in the Video menu or press the "Magic Focus" button on the front panel to adjust the convergence of the three picture tubes that create the proper color for the picture. Pressing the button on the TV initiates the automatic adjustment, and accessing the feature through the Video menu allows you to choose automatic or manual adjustment, though the "Automatic" setting must be selected for the button on the front of the TV to begin the process.

  • Aug 04, 2011 | Hitachi 53UWX10B 53" Rear Projection...

    1 Answer

    I have a Sony KP-53VP0 Rear Projection TV Kinda Cloudy Picture.


    take off the back of the tv and clean the lenses and the foggy picture will go away

    Jan 14, 2010 | Sony KP-53V90 53" Rear Projection...

    1 Answer

    I have a sony 60 inc rear projection lcd. the tv turns on ok, however, the picture and sound goes off and then comes on again. this happens every 15 minutes or so.


    hello do these checks first Adjust the Picture setting in the Video menu (see page 49).
    ❏ Adjust the Brightness setting in the Video menu (see page 49).
    ❏ Check antenna/cable connections.
    ❏ Adjust the convergence again using FLASH FOCUS (see “Adjusting the
    Convergence Automatically – FLASH FOCUS™ –” on page 33). if this don't work get back to me and we'll try somethink else thanks

    shaun

    Oct 13, 2009 | Sony KP-57WS500 57" Rear Projection...

    1 Answer

    PICTURE PROBLEM(white hazy picture)


    hi, symptom is caused by mis-adjusted focus, theres mechanical adjustment on lenses, and theres electrical on focus block, if tv was recently moved I would guess it`s mechanical, I strongly recommend you get a tech to do this, good luck video-tek.

    Jun 02, 2009 | Toshiba 50H82 50" Rear Projection...

    1 Answer

    Picture goes out of focus


    besides using a bigger hammer you need to adjust the focus controls under the speaker cover from the front

    Feb 25, 2009 | Sony KP-57WS500 57" Rear Projection...

    2 Answers

    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.

    Nov 05, 2008 | Samsung HCM422W 42" Rear Projection...

    1 Answer

    Picture blury


    Its behind the speaker grille up front , remove the grille and then a small access panel and you will see the focus control with 1 button for each CRT 3 buttons in all.

    Jun 16, 2008 | Samsung PCL545R 54" Rear Projection...

    1 Answer

    Rear Projection Tv Problem! black and white... Please help


    go into menu turn color off see if you have a black and white picture if not adjust red,green, and blue screen drive on controls in back of tv you have red, green, blue it will have focus /screen controls cover each tube do one at a time blue focus and screen drive adjust to clear blue picture do all 3 tubes, then adjust them to where you have a black&white picture once this is done turn color controll back on.Thank You for using FixYa and Have a Nice Day.

    Nov 11, 2007 | Toshiba 50H72 50" Rear Projection...

    1 Answer

    Convergence images?


    The blue picture tube of a projection tv is usually the weakest in ability to focus and in most cases loses its focus ablility before the red and green. Connect a cross-hatch generator to the rf inputs of the unit and check to see which areas are most out of convergence. The corners are usually the worst. HD will always bring out the slightest imperfections. If the unit was totally out of convergence, I would have suggested replacing the convergence IC'S.In my experience with rear projection, your problem is normal wear . You could conceivably improve the picture by adjusting the blue focus on the screen focus block. Scrivitron

    Jun 15, 2007 | Panasonic PT-47WX49 47" Rear Projection...

    2 Answers

    *** I have to configure Colors with each power on. ***


    The six controls you appear to be adjusting are the screen and focus controls for each of the three picture tubes. These usually only have to be adjusted as each picture tube ages or when replaced. You may either have a defective "focus block" i.e. the black box you have been adjusting, or the CRT's themselves may be going bad at this age. You will probably be money ahead to just replace the TV with a new HDTV set. At 13 years old, it shouldn't have much life left in it anyhow.

    Dec 29, 2006 | RCA P46924 46" Rear Projection Television

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