Question about Sony KP-46WT500 46" Rear Projection HDTV-Ready Television

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Picture Falling with arch

The picture on my tv fell about 8 inches today and it is arched like a rainbow. I turned it off for a couple of hours and it fixed itself but then the picture fell again. The colors are really blurry now and the picture has fallen about 1/2 way. There is nothing wrong with the screen. What is wrong with my TV?

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It is your convergence IC's going out, they cost about 40 $ for both, if you know someone that can solder, i would have them do it, once you see the new parts it is prity easy to find them on the board in your tv, repair shops usually charge 4 to 5 hundred

Posted on Jan 08, 2009

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I Have a major convergence problem. It is a 55 inch Toshiba ColorStream Projection TV(tp55h95). It was fine until we moved it into the other room, and now it's like the color is bending at both sides of...


Color arching.... Ahhh Yeah they eventually do that after a few years. Good news is all you need is a screw driver and some of your time and patience.

The color gun is a small box with 3 screws on it. (Blue, Red and Green. Turning the screws (Slightly) on the gun will get rid of the color arching. I had blue arching on a sony 65" Rear projection a year later it was red arching if you leave it long enough it will be arching and in and out flashing of solid color. Whole mind trip you don't want to venture on.......

The box on my sony was in the very front of the tv. I removed the front speaker panels and accessed it very easily. The hardest part is getting the front panel off. Yours may be in the back.

Best regards and Semper Fi...

Aug 06, 2010 | Toshiba TP55H95 55" Rear Projection...

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I have an RCA 52 inch rear projection tv. Model # HD52W59 The blue CRT is arching inside the tube and I get no picture on the TV at all. Is the blue CRT gone bad


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hi, you`ve lost your convergence ic`s, unless your very proficient at solder work I`d advise you call a tech, will require removing 2 large IC`s and possibly a few small support parts, resistors, chemical fuses etc. Every place is a little different but runs approx. 300.00 at my shop, gl, video-tek

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Ur convergence it dead.Tries Websites Tv repair World.com,Tvrepairkits.com.U know to solders?Replaced the IC and all the resistors.

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Color distortion and arched picture


It is problem of failure of convergence ICs or related circuit. Please confirm model number of your TV that is Sony KP-57WS500 to help you out.
It would be nice if you could past TV snap shot here for easy understanding.
Thank you.

Oct 02, 2008 | Sony KP-57WS500 57" Rear Projection...

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Replace the Sanyo I.C. chip on the heat sink of the power supply convergence board STK730-XXX. Last 3 could be 130/010/020, any will work.

http://www.electronix.com/catalog/product_info.php/cPath/6_308/products_id/9541

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