Question about Panasonic PT-53WX42 53" Rear Projection Television

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Green horizontal deflection

My 5 year Panasonic PT-53WX42 set developed a convergence problem where the green colors were not lining up properly with the other 2. Using a downloaded signal generator playing thru my DVD player I was able to determine that the horizontal deflection of the green color was about 5 percent less than the red and blue. The vertical alignments are excellent. Are there certain components that set the green horizontal gain. If so, where are they located in the chassis?

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Change both STK convergence IC's for reliability. They amplify/control both horiz and vertical. re-align after replacement.Locate them on the largest heat sink in your set!

Posted on Sep 26, 2007


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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, 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.

Mar 23, 2011 | Panasonic PT-53WX42 53" Rear Projection...

1 Answer

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?


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

1 Answer

Panasonic PT-61HX42F shuts off automatically red light flashes, but before that happened the green color was way off

One of the convergence output IC's has died. However, when one goes the other is soon to follow so any good repair shop will insist on changing both of them. This is a common failure with all projection tv's as these amps work real hard and have a high failure rate. Average repair cost is usually between $200 and $300.

Jun 04, 2009 | Panasonic PT-53WX42 53" Rear Projection...

1 Answer

Same as sleepless14 june 1, 2008 posting. I am getting green and red double lines.

convergence IC failure is the most likely cause. You can get the Panasonic convergence kit #1 at the following link which contains both convergence ICs the six feed resistors and step by step innstructions on how to do the repair.your model uses that same kit Heres alink to the kit.

Mar 06, 2009 | Panasonic PT-53WX42 53" Rear Projection...

1 Answer

Green convergence on Panasonic PT-53WX42 is not ligning up...

Does not sound like the chips are bad.
What you need to adjust is "SKEW". You need to enter "service Mode" then go into "Coarse Convergence". Skew can be adjusted for all 3 colors. Unless you have the service manual, these corrections should not be attempted.

To clean the INSIDE of the screen, you really have to disassemble the TV. Remove all the screws that hold the "back" ( the piece with the mirror) to the front (screen) assembly.
The screen can be cleaned with a solution of diluted isopropyl alcohol, no more than a 50% solution. Drugstores will carry it, but it might be 70%-90%. Just dilute with distilled water (not tap water as it contains minerals). Personally I have used 70% with no ill side effects but 50% is recommended.

Dec 08, 2008 | Panasonic PT-53WX42 53" Rear Projection...

1 Answer

Can't correct green convergence

need to replace both Convergence ICs number STK392-110 you can het replacements here and they provide free instalation instructions and free on line tech support so you can do the repair yourself. heres the link.

Apr 16, 2008 | Panasonic PT-53WX42 53" Rear Projection...

5 Answers

Panasonic PT-53WX42F Picture Problem. Color Distortion.

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 03, 2007 | Panasonic PT-53WX42 53" Rear Projection...

2 Answers

Convergence problem

replace the stk-392-110 (x2) and any burnt resistors. cost 20$

Nov 19, 2007 | Panasonic PT-47WX42 47" Rear Projection...

1 Answer

PT-53WX42 IC replacement

The two convergence IC's are generic part# STK392-110 and Panasonic part# C5AA00000203. Also check for burnt or discolored resistors nearby. Since this is such an easy repair,a schematic is not necessary....The hardest part is identifying the burnt resistors and aligning the green convergence in the service menu.

Sep 18, 2007 | Panasonic PT-47WX49 47" Rear Projection...

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