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

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Red shift to left with curve at bottom

Hi all, I have a Panasonic 47WX53 47" (4 years old) that all of the sudden developed a shift in the Red projection to the left and a slight curve to the left at the bottom. Tried to use the convergence menu to correct, but doesn't shift far enough to correct. I called the local service shop and they gave an estimate of between $300 and $500 to fix. I have messed with electronics for years and for that kind of $$, I will try to fix it myself. I've read a couple of other posts with a simular problem that have suggested to replace the "Convergence Box". I've looked inside the unit, but don't see a "Box". I do, however, see the two convergence IC chips. Is this what they are refering too? I looked the part# up on MCM Electronics and it costs about $20. Might be an adventure to change if thats the problem. If anyone has a solution to this problem, or has had the same problem, please post a reply. I have a blue shadow and too much yellow on the right side of the screen. I've tried to use the  manual convergence adjustments in the setup screen  but the blue won't line up properly  on #'s 2, 3,  6, 8, and  9. The blue cross won't go  far enough to the right, especially on #'s  3 , 6, and 9.  I've taken the back panel  off the TV but am not sure where the  convergence  IC's are.  Does anyone have some kind of a step by step instructions on how to replace the IC's?  I've never done this type of work but am pretty handy, besides I can't  really afford  to pay a repair  service.

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Par 2 = " I do see the convergence chips..."
Par 3 = " I'm not sure where the IC's are...."
Please verify STK part # of IC's on large heatsinks.....
And then I'll give you step-by-step instructions......T.

Posted on Nov 19, 2007

  • Vista Electronics Nov 25, 2007


    Where are you on this repair?..........................T.



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Red shift to left with curve at bottom

Yes you do need to change the convergence IC's. But you really should buy the replacement IC's that the manufacturers recomend as these IC's at MCM are cheap replacements and sometimes they simply do not hold up to the factory specs. Go to, enter your model number and you should be able to find the proper IC's there. If you notice the price is a bit higher, thats because they are the right parts!. Next go to MCM electronics and get a tube of heat sink compound and apply a generous layer on the back of the new IC's before you install the new IC's. Also you should check around for overheated or cooked resistors around the area of the convergence IC's. Now when all is sais and done, you will be better off to go ahead and get the service manual so you can do some convergence alighnments. The manual is good to have as it tells you how to get into the service menu and what to adjust and for what. One word of warning though, in the service menu, DO NOT make any adjustments you do not know anything about AND before making any adjustments in the service menu, write down the values so in case something messes up you have a place to go back to. Good Luck.

Mar 19, 2007 | Panasonic PT-47WX53 47" Rear Projection...

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