Question about Panasonic PT-51HX43 51" Rear Projection Television

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IC Convergence on a Panasonic PT-51HX43

I have read enough on this site to determine I need to replace the convergence chips in my TV. Is there anyone with a Service/Repair manual or just general how to tips on getting to the circuit board.

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Re: IC Convergence on a Panasonic PT-51HX43

Convergence amp ic bad

Posted on Feb 04, 2008

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I do not know how much skill you have but I am going to post my own instructions for this repair right here---look them over and decide if you can do it.

There are about 2 pages----you may want to copy and paste them to your computer with whatever version of word you have---

IF YOU HAVE ANY QUESTIONS LET ME KNOW-I SPENT SOME TIME WRITING THIS AND I HAVE repaired hundreds of sets just like yours with this problem.

SD Tech

Oct 10, 2009 | Panasonic PT-51HX43 51" Rear Projection...

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Panasonic TV PT-51HX43G Red LED Blinks Once Every Three Seconds

The resistors are part of the feedback for the convergence IC's and there is another set at the front of the board that are for the power supply. As for price, these are not expensive, but they are exact. You must replace them with the same values. I would ask where they got the STK392-110's, cheap is not always better on these.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I have helped you, please help me, and rate this suggestion a FixYa rating.

If not then please comment to this post and I will try to help you further.
Thank you for your support and patience as I reply.

May 14, 2009 | Panasonic PT-51HX43 51" Rear Projection...

2 Answers

Panasonic pt-47wx42f

Yes you can get replacement IC STK392-110 convergence ICs at the following link and they provide free instalation instructions with pictures. The Ics are located on the board on the left side attached to a large heatsink. You will need to replace both ICs heres the link.

May 19, 2008 | Panasonic PT-47WX53 47" Rear Projection...

3 Answers

Panasonic 47 inch Projection tv PT-53WX42F

Sounds like your convergence chips are going. Unless you are real handy with soldering iron I would suggest having a tv repair shop service it(probably cost $200-300). If you are handy then I believe the chips you need are Sanyo STK392-110. There should be 2 of them. be careful if you order them online, there are lots of chinese knock-offs out there.

Apr 19, 2008 | Panasonic PT-47WX49 47" Rear Projection...

2 Answers


Your TV most likely has a Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site They have put together convergence repair kits for most models.

The kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, etc. Everything you will need to do the repair yourself.

Dec 02, 2007 | Panasonic PT-53WX52 53" Rear Projection...

1 Answer

Pincushion(concave top and bottom) on Green Tube

you need to replace the ic chips aka convergence amps stk's avail thru parts John

Sep 11, 2007 | Panasonic PT-53WX54 53" Rear Projection...

2 Answers


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

Panasonic PT-47WX49 Convergence IC

usjavelin. I have the pdf files for the tv. I own the same one. I can send them to you if you'd like.

Dec 16, 2006 | Panasonic PT-47WX49 47" Rear Projection...

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