Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

1 Answer

Screen has 3 lines at the top

I cut on my TV, 3 lines, blue, red, and green curved lines appeared at the top, picture is showing crazy now

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  • jamesstew243 Oct 21, 2008

    how do i get an conversion done?

  • Anonymous Mar 15, 2014

    red line is appearing on top of the screen

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1 Answer

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  • Master
  • 899 Answers

You need to get a conversion done to correct this problem

Posted on Oct 21, 2008

  • jason Oct 21, 2008

    a repair shop will charge about $350-$400 to do the repair , but all they are doing is replacing a couple of IC chips that look like this

    click here then open any of the PDF files and it will show you detailed discription of the IC and what it controls

    CLICK HERE

    IF YOU NEED MORE INFO :just let me know, thanks



    electech

  • jason Oct 21, 2008

    sorry the link was messed so click here

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1 Answer

Letters and numbers are 3d and curved picture


Hello

red, green, and blue lines curve across the top of tv is cause by defective convergence STK IC or you have open resistor at convergence section. if you have defective RGB Color vertical ramp probably you have defective STK IC..

Angel
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1 Answer

Blue, green, red parallel curved lines at top of screen


hello sorry but it sounds like the chip have gone again when you replace these chips you might have to change the resistors and the 2 capacitors as well

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2 Answers

Curved blue lines on screen.


You have a completely different problem. The screen voltage for the blue picture tube is slightly too high on your set. This will put fine lines in the background of the picture, called retrace lines. This is very common and easy to correct. Remove the front speaker cover and the access panel behind it. Look inside and you will see a black box with six controls, each control having a little white glue on it. This is the Focus/Screen block. Three controls are labeled Focus and three are labeled Screen. The screen control in the center is for green but I am not sure if the screen control on the left or right is for blue for your model. With the TV on, set it to VIDEO 1 but do not connect anything to the VIDEO 1 jacks. This will produce a pure dark picture, showing any faint lines in the background. Choose one of the screen controls and increase (turn clockwise) it slightly. If the blue lines do not get brighter it means you are turning the red screen control, so put it back where it was and choose the other screen control. When you find the blue screen control, decrease (turn counter-clockwise) it until just when the blue lines are gone. If you want you can check that the red and green screen controls are set to just below the point where their faint lines are visible. When done, replace the panels and your picture will be back to perfect.

Apr 11, 2008 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Screen is curved inward on all 4 sides and there is a red, and a blue line that is curved at the top of the screen


This is a convergence problem.. possible deflection problem... you might need a tech to look at it...

Nov 19, 2007 | RCA HD56W66 56" HDTV

1 Answer

3 curved lines top & bottom/blurred picture


This indicates a convergence problem..convergence power supply probally.. however ive seen 2 other cuicits cause this ..

Sep 24, 2007 | RCA HD52W59 HDTV Projection Television

1 Answer

Green horizontal lines across screen


try adjusting the green screen control. remove the front bottom panel of the tv by removing any screws holding it in place. gently pull of the front panel, there are gromets holding it in place, you will be able to gently remove the front, just make sure you get all those screws. now reove the small wodden or plastioc panel. now you will see the screen/focus assy. check to see of the screen controls are the top 3 or bottom 3. adjusted the center screen it's the green one, the other 2 are the red & blue. it is best to adjust in a dark room where the lines will show up easier. good luck

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