Question about Projection Televisions

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Picture is at the top of the screen . no exterior adjustments.

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Please provide make and model of your gear when asking for help; there are some basic differences in projection TVs that could influence the value of help we can give you.

Posted on May 05, 2008

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We have a Hitachi LCD rear projection Tv, 42V710,42V715, The picture has alot of green in it, tried ajusting the color, still a hint of green. It was fine until about a month ago. Every thing esle is...


You need to adjust the Green Screen Drive Located on the Focus/Screen Control Block Their will be 3 on Top to adjust Focus to each Tube R/G/B and under it is 3 Controls to adjust Screen Drive to each Tube R/G/B . Cleaning the mirror and Top of Tube Lenses will help improve Picture also if they are Dirty. Control Block is Located behind Front Bottom Panel Pull it off and you should see it.

Oct 05, 2010 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Screen is bowed on top and bottom. What could be our problem? Picture, letters & words blurry.


go to hatch screen adjust all colrs to make white color boxes , also adjusts linear lines

Dec 31, 2009 | RCA Projection Televisions

1 Answer

My color seems to be more green than should be and I have tried to reset the color with no help


You have a focus/screen control box Find it and adjust the R/G/B screen drives When you first start Go to Menu turn Color off then with a mirror adjust the picture as close as you can to a black and white picture R/G/B screen drives, the little control box you are looking for will have 3 controls on top for focus and 3 controls under them for screen drives to each tube red,green,blue after you have adjusted to a black and white picture then go back and turn color on.

Nov 30, 2009 | Akai PT4298HD Rear Projection Television

1 Answer

My projecters on my tv need to be adjusted. i was wondering how much that usually costs..


Adjust it your self you have a small Black box on it will be 6 controls 3on top for focus R/G/B and on Bottom are 3 screen drive controls R/G/B turn color off on menu then adjust screen drives as close as you can get to a Black and white picture, then go back to menu and turn color back on! with back off clean top of all 3 tube lenses.

Nov 13, 2009 | Projection Televisions

1 Answer

The screen looks out of focus and the top and botton bend inward.


Remove front bottom panel behind it is a small black control box top controls are focus controls for R/G/B and Bottom 3 controls are your screen drives adjust one at a time turn off G/B adjust red first,then Do Green and Blue fter adjusting focu to each tube leave them set then adjust screen drive turn color off adjust RGB for a Black and white picture get as close as you can then turn color back If after doing this you still have blurry looking picture look down into Tubes you should be able to see picture clearly in each one if you cannot see picture then projection Fluid need to be changed out. Call Mats 1-800-628-1118.

Sep 26, 2009 | Sony KP-53S65 53" Rear Projection...

2 Answers

Hazy, washed out picture on Magnavox 51mp6100d


Remove back see if you can get to tubes top lenses clean all 3 from dirt/dust/ After cleaning off lenses there is a black control box has 3 controls on top 3 on bottom these are to adjust each tube R-G-B Tubes screen/ focus adjust one tube at a time--- Like to adjust red turn g,b.screen drive off turn red up adjust focus to a clear picture ,then green same and blue If you turn screen up to much it will either shut off or you will see Drive lines adjust back down.OK after doing this turn color off in menu adjust all 3 screen controls untill you have Black and white picture try to adjust as close as you can to get bl/wt picture when that is done now turn color on and you should have alot better picture.

Dec 19, 2008 | Projection Televisions

1 Answer

JVC av-56pw30 Picture Adjustment


Sounds like you have a convergence problem and the set will require repair. This repair will run somewhere around $400 if you have a good company complete the repair for you.

If you are interested in doing this repair yourself you will need to be able to use a meter and solder VERY well.

If you have more questions please email me.

Thank you,
Tim Nolan
Experttv@comcast.net

Oct 11, 2008 | Projection Televisions

1 Answer

Rear projection screen paritally black


the screen is 2 screens pressed together... im never seen this problem unless u had an earthquake. its possible the inner screen seperated and fell...in that case you should wear gloves to take both screens out and line them up and tape just around the ouside of them. you need to get the front screen off and see whats blocking the picture. good luck

Aug 16, 2007 | Sony Grand WEGA KF60XBR800 60" Rear...

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