Question about Mitsubishi WS-55809 55" Rear Projection Television

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Our red color is now concave or convex depending how far off center axis - causes 3 d effect or shadows. Impossible to watch as blue and white are centered but red goes off

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You have a convergence fault on the Red CRT, I`m not up to date with this particular set but it needs an engineers eye I`m afraid. On the Toshiba projection sets, a large upright power IC with about 30 pins was employed which drove the coils located on the tube necks directly and used to fail which was located on a heat-sink in the power supply due to the high current and heat that it used and produced and it caused the same problems that you are describing. Hope this helps, Ian

Posted on Jul 22, 2009

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Convergence circuit needs repaired.

Posted on Jul 22, 2009

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3 Answers

I don't know what concave means


The curve of a lens is either convex or concave, that causes light to be focused depending on the direction of the curve.

So to answer your question, concave is just a bulging 'out' shape.

dont-know-concave-means-rsx4m12fp5prszbjjw0ik22q-3-0.jpg

Feb 19, 2014 | Concave Lumbar Support-A6000

3 Answers

I have red and green shadows. I tried using the Converge Red/Blue and Multipoint Red/Blue functions as described in the manual but neither worked


The tv 100% have convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv have a dead convergence board,the 2 STK convergence ICS and some or all of it resistors are dead too.These parts on the tv convergence board,must be change to fix the tv convergence board to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

Dec 10, 2010 | Philips Televison & Video

1 Answer

How can i line the lights up in my sony kp-61hs10.


I'm going to assume that the "lights" are images on the screen that seem to have a multi colored shadow. Within the menu there's a choice for convergence, when selected this gives a white cross centered in the screen. Using the arrow keys on the remote (left-right for vertical movement and up/down for horizontal) you will adjust the color that is "shadowing" or get all the colors aligned so the white cross has no trailing red or blue either horizontally or vertically. If you can't get it to adjust or there is no effect then repair is probably the only option.

Aug 22, 2009 | Sony KP-61HS10 61" Rear Projection...

1 Answer

I was just given this t.v because friends couldn't figure out what is wrong with itl. The colors don't line up right,looks kinda blurry depending on the lighting of the program being watched. How do i fix...


According to the manual:
1) go to the "TV Main Menu"
2) Select "Screen"
3) Select Adjust Projection TV (obviously only if a projection TV).
This then allows you to adjust the TV's 3-colors. Selecting GREEN CENTERING brings up a control panel that lets you center the green projection tube on the screen. Selecting RED CONVERGENCE or BLUE CONVERGENCE lets you align the Red & Blue projector tubes. Centre the green projector tube 1st. Then adjust the red & blue until the test pattern on the TV screen appers white.
Good Luck!

Jun 08, 2009 | Proscan PS50700 50" Rear Projection...

1 Answer

RCA R52WH74 52 in Blue & red in picture are shadowy Picture concave/convex


try goin to your menu and find settings ,,go to convergence,,if u got it ,,it may fix it,,it realines the colors,,good luck with that

Oct 06, 2008 | Televison & Video

1 Answer

Hd52w59 convex looking picture


If you do not see convergence in menu then you have open fuse FL231

Aug 28, 2008 | RCA D52W19 52" Rear Projection Television

1 Answer

PICTURE


By the picture that you have supplied with the question you have a rear projection tv. The problem you are describing sounds like you have had the convergence module in your tv fail. Depending on the age and make of the tv, the repair costs ( if out of warranty ) can be prohibitive. The convergence module on rear projection tv's not only is in charge of bringing the 3 different color images together into a watchable picture but also handles the east west correction ( concave / convex aspect to the picture or lack there of ).

Jul 02, 2008 | RCA R52WH73 Projection Television

1 Answer

Everything on the screen has a blue shadow


need to change both convergence ICs STK392-560. you can get replacements at the following link with free instalation instructions with pictures.
http://servicemanuals.vstore.ca/

Jun 30, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Color distortion


There are failures occuring in the scann and convergence circuits. This may not be feasible to service.

Jerry G.

Dec 14, 2007 | Sony KP-43T90 43" Rear Projection...

1 Answer

Gradients


path problem? cutting problem

Oct 12, 2007 | Adobe Photoshop CS2 for PC

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