Question about Panasonic PT-53WX42 53" Rear Projection Television

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Wave at bottom of screen with green and pink shadows

There is a wave that starts at the bottom right and goes up to about 6" in the middle bottom of the screen then tapers off to the bottom left about 2" from the bottom corner. The wave is causing the pink and green colors to make shadows on all words and pictures.

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  • auto1 May 11, 2010

    I have a PT-53wx54 with similar problem after 3 years heavy usage. I just replaced 2 stk392-110 IC myself, worked very well. It's not difficult to do yourself, I don't have any experience in soldering, but 3 hrs job was nicely done.


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  • Panasonic Master
  • 3,459 Answers

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

Wave at bottom of screen with green and pink shado - 42d3683.jpg



e87380c.jpg
Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the bWave at bottom of screen with green and pink shado - 69189a5.pngt fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Posted on Jul 03, 2010

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Rule out the signal source by seeing if same issue when a DVD etc is used.

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If not on rear inputs (A/V) it is not the power supply.

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http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Replaced the ICs. Was disappointed at first 'cause it was still all bowed out, but then realized that the Convergence 2 "target" can be changed with the number keys. Working thru 1-9 and going back to readjust as necessary adjusted each one into perfect alignment.

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http://servicemanuals.vstore.ca/

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let me know and i will help you find them in the set if your are a good solderer - or call a tech
thanks
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