Question about Panasonic PT-47WX49 47" Rear Projection Television

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Panasonic HDTV PT-56WX42 convergence problem with red and green

Can anyone guide me on how to fix this myself I have tried to adjust the convergence1 and convergence2 with out any luck on convergence one it seems that when i try and allign it, it is not moving. I called the local shop to get it fixed and is about 400. they said I needed to get the red and green chip replaced. Can someon help me find out what chip exactly I need and how hard of a job do you think it is? I am mechanically inclined so feel I will be able to do this job on my own. Has anyone done this?

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Check out this site http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-i.html

my tv did the same thing and I read this after googling it

Posted on Dec 19, 2007

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Posted on Jan 02, 2017

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The colors on my tv doesn't line up right. It has a 3D look and i tried to converge it. It will not let me do it. Its a panasonic HDTV PT-47WX42, PT-47WX52, PT-53WX42, PT-53WX52, PT-56WX42, PT-56WX52


set uses two of the STK-392-110 chips for convergence.

Both will have to be replaced.

I have start to finish step by step instructions for this repair based on me doing it in hundreds of these sets.

If you want the instructions, do you have a email?

SD TECH

Jan 15, 2011 | Panasonic PT-47WX42 47" Rear Projection...

1 Answer

Panasonic rear projection-red convergence-moves horizontal only!?


The convergence ICs have failed. You will need to install a convergence repair kit. You can get the convergence repair kit for your model Panasonic from www.tvrepairworld.com which contains both of the Convergence ICs , the associated resistors and the cD with detailed repair instructions.

Dec 26, 2009 | Panasonic PT-53WX53 53" 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...

1 Answer

PT-47WX53G green convergence and wave on bottom of screen


Had same problem with Red. Could not adjust. Funny broken lines. Found this link:

http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Replaced the ICs. Was disappointed at first 'cause it was still all bowed out, but then realized that the Convergence 2 "target" can be changed with the number keys. Working thru 1-9 and going back to readjust as necessary adjusted each one into perfect alignment.

Problem solved. TV works great.

I should add that while I am reasonable technically adept, I am a software geek and never soldered before... hardest part was getting up the courage to dive in and do it myself. Glad I did.

Sep 24, 2008 | Panasonic PT-47WX53 47" Rear Projection...

2 Answers

Panasonic Rear Projection


You are on the right track. The problem is actually with the green convergence IC that controls the alignment. The convergence ic's take the information from the 3 pictures and align them into one picture on the back of your screen. Although this is an economical repair it is complicated and should be left to a quailfied service technician. If you are not sure of a local technician, panasonic's website has a servicer locator that can guide you to one. Hope this helps

Mar 31, 2008 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

Convergence off


Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s=
good luck
please mark the post with a fixya

Mar 06, 2008 | Panasonic PT-53TW53 53" Rear Projection...

3 Answers

Panasonic Rear Projection TV - PT-47WXC43G Convergence Problem


The tube should be ok its the IC's regulating the convergence is your problem . A tv repairman should be able to repair it fro around $250.00 - $300.00 or less depending on who you call. Good luck

Mar 01, 2008 | Panasonic PT-47WX49 47" Rear Projection...

2 Answers

Red and Green Spots


Not a fix for do-it-yourselfers, but check with Panasonic as there is a new fix. Requires tech to come and reprogram the eprom (I think).
Cheaper than a new optic board.

Jan 03, 2008 | Panasonic PT-61LCX65 61" Rear Projection...

1 Answer

Panasonic hdtv pt-56wx42


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • 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.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Dec 01, 2007 | Panasonic PT-56WX42 56 in. Rear Projection...

1 Answer

Convergence


covergence amp ic"S need to be replaced.

Aug 16, 2007 | Panasonic PT-53WX54 53" Rear Projection...

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