Question about Panasonic PT-47WX52 47" Rear Projection Television

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Re Degaussing When viewing the TV there is a blue arch and a yellow one below it. When there are trailers along the bottom of the screen the blue arch picks up the top of the trailer, otherwise the blue and yellow arch remains stationary but it is always on the screen. We moved about 100 miles, and the TV was in a moving truck. However the problem did not start until several weeks after the move. I had been to Circuit City, and Best Buy and they came to the conclusion that it had been magnetized. I have tried all the convergence adjustiments and the problem has not gone away. Several people came to the conclusion that the TV needed to be degaussed. One of the Sales people suggessted that one of the magnets had come lose behind the speakers. Is there a simple way to get rid of the blue and yellow arch in the lower left corner? Thank yuou for your help which will be greatly appreciated.

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Re: Re Degaussing

Now Degaussing and convergence are two different things, if you say its degaussing then you should have just a color differential in a certain area, meaning the color should not be arched, everything that passes through should pass throu only with the changing of color. Now if its a convergence the the color may lift upward in an arch, likely separated from the other colors, Red, Blue,or Green. So now which do you think you have? Deguassing usually give you a highish green color or yellow

Posted on Sep 11, 2007

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Convergence output ICs in your tv got defective and causing arched on top/bottom of screen.
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Yellow arch on bottom left of screen

The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer2_bing.gif Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

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Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

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You can see some more examples and find a fix herebb0cf99.png

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The 3 colors are off, i have shadows and arches in the screen

It is failure of convergence ICs and these two ICs will be replaced on D board.
If you are comfortable with TV repair and know good soldering skills then can do the job easily.
Convergence ICs are mounted with sliver heat-sink on D Board of TV and part number will start with letter STK...
Get back to me if you need further info.

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