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

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Panasonic 53" tv

"I have a panasonic 53" hd projection tv pt-53wx42

I have a panasonic 53" hd projection tv it hads blue lines on scree.

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Blue background lines with colors otherwise OK may be a loose or dirty blur drive potentiometer on small circuit board behind front grille and beneath front imerboard cover. These are hot-glued in place from factory but may be the cause f the problem. They're VERY sensitive.

If you have bowed blue lines instead of properly aligned colors, you probably have a blown convergence amplifier IC. These boards are no longer available so yours will have to be repaired. Some shops repair them but many send them out for 6-10 weeks. Fairly expensive too considering the amplifier chips are about $35 each (x2).

Posted on Jun 04, 2009

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Picture out of line Problem with the Panasonic PT-53WX42 53 in. Rear projection. Possible convergence circuit? How do i change it


Picture colors lines R,G,B mis alingments,have colors shadows pictures or 3D pictures look alike?Yes.The tv convergence board is dead,the board require changes 2 STK convergence ICS and some or all of it resistors too.To fix the tv convergence board.U must have tools like a soldering iron,a desoldering pump or a roll of desoldering braids and also can do soldering work?Yes,tries websites like Tvrepairworld.com,Tvrepairkits.com to buy a convergence kit belong to ur tv model and make to repair it ur self.Or the shop will cost u like $300-350 for parts and labors.

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your convergence ic is going bad. remove front and adjust the level of blue.

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1 Answer

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Need to replace the convergence amps and any 2.2 ohm resistors in the return. That unit takes two STK392-110 Sanyo amps - but for greater reliability use STK392-150's and get them, from some place like ACME to be insured their not chineese knock-offs..
Bill

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if you can remove the rear panel assy. look for the convergence ic's they start with stk--- and you got the part number you need a source panasonic is 814 source and the number on the ic's stk 390 ----/

Aug 22, 2007 | Panasonic PT-53WX42 53" Rear Projection...

1 Answer

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Have you gotten any solutions to this problem? We had the same thing happen to our TV recently. Haha, maybe they all died on the same day. Before this, we had a convergence problem with the blue color. If you had it fixed, how much did it cost? Our warranty just expired too! Thanks

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