Question about Panasonic PT-47WXC43 47" Rear Projection Television

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Panasonic PT-47WXC43G green ONLY is bowed on bottom and top

Ak, I know that the convergence chips are usualy the problem and I have actually replaced them in the 54" version of this set. On this set however, it is the green that is bowed on the bottom nad top right. I can adjust red and blue just fine.

Would it still be the convergance chips or is there something wrong with the green gun itself?

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Hi,
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.
Thanks.

Posted on May 02, 2010

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Posted on Jan 02, 2017

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1 Answer

I have a pt-47wxc43g panasonic projection tv and when i turn it on the red light blinks three times and it does not turn on.


Hi,
Three times red light blinking indicates problem of convergence output chips are bad, tv has 2 chips that need to be replaced.
Let me know if you are handy with electronics stuff repair and can replace/ solder parts in circuit board to provide you technical info OR local tv repairman will do this job for you.
Thanks.

Dec 27, 2010 | Panasonic PT-47WX49 47" Rear Projection...

2 Answers

My panasonic PT-47wxc43g projection tv has developed shrinkage in the middle of the screen on both the top and bottom. The picture has an hourglass on its side appearance. The picture is now also too large...


This could be a problem in the convergence board which will cost of repair would range 400.00 or so.
You can get the convergence repair kit at the following link which contains the parts and step by step detailed instructions.

http://www.tvrepairkits.net/panasonic_repair_kits

Thanks
Kevin

Jun 29, 2009 | Televison & Video

1 Answer

Replaced convergence chips, have new problem


Did you check the 2.2 ohm 2watt resistors? As often one or two will blow when the old ICs fail. The 3 blink error is indicating a problem with the convergence circuit still.

Jun 19, 2009 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Pt-47wx49e convergence problem


I just replaced the 2 convergance chips, but it did not seem to fix the problem. I then tested all the resistors that feed the convergence chips anf there was a 2.2 ohm fusable blown. IT was R7050 on mine. That seemed to fix it so that I could adjust all the colors through the convergence 2 screen. There seems to be a slight bow near the bottom when you look at the c2 screen, but not noticable when you are watching a picture. Since I got this broken, I am not sure how perfect it should be.

If anyone can send me the service manual, I would appretiate it. Thanks.

Oct 10, 2008 | Panasonic PT-47WX49 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...

1 Answer

Convergence


You need sevice code to enter convergence.

Mar 27, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Green Bows on top and bottom


This is most likely either bad connections on the convergence IC or a defective IC. Try resoldering the pins first. If that fails to resolve the problem, replace the IC.
Dan

Mar 18, 2008 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

Panasonic PT -47WXC43G 42 inch TV


replace the convergence amp ICs both of them. They cost about 15.00 each

Mar 09, 2008 | Panasonic PT-53WX42 53" Rear Projection...

1 Answer

Convergence chips 110 installed but unsuccessful


check the resisters or send the board in to ptscorp.com
if you find bad resisters chances are you blew the ic too

Feb 26, 2008 | Panasonic PT-47WXC43 47" Rear Projection...

2 Answers

PT-53WX52


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.
701cb04.jpg
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f0900cb.jpg

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. 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...

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