Question about Panasonic PT-47WX53 47" Rear Projection HDTV

1 Answer

Green converge lines are gone!

I recently had the ics replaced to fix the pin cushin effect and now when I got to re do the convergance I have no green lines for the first stage of converging..... green writing appears and green arrows but no green line to match up with the cabinet.

Any ideas???

Posted by on

  • version74 Jan 01, 2008

    green is there there are green lettering but the green convergence lines to center the picture to cabinet are gone

  • version74 Jan 01, 2008

    yep green is there

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  • Panasonic Master
  • 5,138 Answers

When you are in factory convergence on your hand unit press buttons 1-9 usally 1,2,3 theses should show r,g,b patterns, try them and see if your green is there,

Posted on Dec 22, 2007

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Posted on Jan 02, 2017

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1 Answer

Changed ICs Chips but still got bad convergence


After the IC replacement, convergence adjustments should be done. If you wish to get some details; visit the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/ Details of this adjustments are given.

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I have a Mitsubishi WS65611 I understand that the green lines are fixed and the red and blue lines are somewhat adjustable my green lines are no longer fixed in the top right and bottom left of the screen ...


YES, you either have a fuse that went out or the convergence IC went out... Sometimes it just comes unsoldered and causes the same effect. You need to locate this "IC" and tap on it with something non metallic. Like a ruler or a stick. While the tv is running and crosshatch is up on screen. If the lines get close as you tap on the IC or bang on the tv. then fuse is good and the tv might just need to be resoldered on that CONVERGENCE IC. Let me know how this works for you and if you have any questions give me a call @ 502-773-7969 and i can help u out further.
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There is a blue shadow to the picture. The color chips were recently replaced and it has been doing this since the replacement. I have tried to adjust the convergence but on the screen with the cross hairs...


STK ICs that were replaced maybe the reason convergence is not lining up or you may have some open low ohm resistors that need to be replaced ,near convergence ICs. STK392-570.
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1 Answer

JVC I'Art AV-56wp74


A repair facility will charge 400 to 600.00 for the repair. Or you can repair it yourself if you can solder. As both convergence ICs need to be replaced. They are STK392-110 you can get replacement ICs at the following link with free instalation instructions with pictures so you can do the repair yourself. Heres the link.
http://servicemanuals.vstore.ca/

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1 Answer

The red and green do not converge on screen. tried auto convergence, does not fix the problem.


There is a problem with the convergence ICs. Either there are bad connections at the pins or the ICs themselves are defective. If you can solder, resolder the pins first. If that does not resolve the problem, replace the ICs. These ICs are large black ICs attached to a heatsink. The should be marked STKxxx.
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Replace both convergence IC's.....STK392-110 X 2........T.

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Always suspect the IC's first, digital convergence prblems are actually pretty rare IC's go everyday. I'd check partsore .com Generics usually work fine, they are probably STK392-110's but check to make sure.

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