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

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Can't correct green convergence

My TV was working fine until all of the sudden the convergence got horrible! I was able to correct most of it manually using the remote control, aligning the little crosses, but I can't fix the green. There are two lines (one horizontal and one vertical) that run across the screen when correcting the convergence of the green. My vertical line is in the middle of the screen like it should be, but my horizontal line WON'T BECOME CENTERED. It stays to the left no matter how long I press the right arrow on the remote. Any ideas? Is this a costly repair?

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  • Kuteth May 03, 2008

    I have the same problem, the green convergence has gone haywire. Everything else is alright.

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  • Panasonic Master
  • 8,617 Answers

Need to replace both Convergence ICs number STK392-110 you can het replacements here and they provide free instalation instructions and free on line tech support so you can do the repair yourself. heres the link.
http://servicemanuals.vstore.ca/

Posted on May 04, 2008

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It still convergence chip problem, check big resistors nearby these chips that would be open or devalued and causing problem, specially in green convergence area, your green tube/ gun is just fine and just not getting convergence output signal to show correct image.
I would suggest to download service manual copy of this tv for small fee from any website and fix the issue with schematics help.
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1 Answer

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These procedures are from the owners manual, go into menu and then picture quality and then: Convergence The Convergence feature lets you adjust the TV’s three tubes. When the TV tubes’ images are precisely aligned, they create the color images you see on the screen. Over time, the picture can drift out of alignment (this is normal). If your picture seems fuzzy or has a yellow tint, using Convergence could correct this misalignment. Only one convergence is needed for all inputs, regardless of the signal format. Note: Make sure the TV has been on for at least 30 minutes (TV needs to warm up for best results) before starting Auto Converge or Red/Blue Centering. When you select the Convergence feature, a submenu appears with three options: Auto Converge Automatically aligns the projection lenses to self-correct color images. You’ll see flashing squares of color dance across the screen (this is normal). Note: After performing auto convergence, use the Blue Centering and Red Centering menus to fine tune convergence in the center of the screen, if necessary. Blue Centering Aligns the blue and green images to fine-tune the picture. Red Centering Aligns the red and green images to fine-tune the picture. Note: The ability to change channels is disabled when adjusting the convergence options. The TV must be tuned to a usable signal to converge the picture.

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1 Answer

There is blue yellow color blur on the screen with cable or dvd


Hi,
This problem is of "CONVERGENCE". You have to replace the convergence IC's which is better to buy a new one TV, Just contact any expert and replace the convergence IC's and your TV work fine again you need not to buy a new TV.
Thanks for using fixya.

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1 Answer

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On most units, the Green is constant and the Red and Blue are adjustable. Here are 2 links on how to manually adjust the convergence. There is a menu option using the remote control. Once there, you will find step by step procedure on how to adjust the convergence. Hope this helps answer your question. All the best!
Greg

http://www.fixyourowntv.com/menumitsubishi.php
http://www.ehow.com/how_2034880_perform-convergence--tv.html

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1 Answer

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1 Answer

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The convergence issue you have will not adjust out....repair
of the convergence circuit will be necessary....then adjust...T.

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