Question about Panasonic PT-61HX40 61" Rear Projection Television

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Blue convergence will not move left or right

Panasonic PT-61HX40. Blue convergence will not move left or right. Also would like to replace the two of the three veiwing screens. Can someone tell me where to look for the parts that may be bad and where I can obtain them.

 

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Look at the convergance board it will be the one on the left there re two stk semi-conductors tward the back of the board. most likly one of them are bad but sometimes the soldering can be faulty. look for signs of cold solder if so just resolder and should be good if not also look for burnt resistors. it will be obvious finding the stk 's can be done by using google and just type in the stk # finding the resistors you might try calling panasonic to find the part #by telling them the location of the burnt resistor. good luck. mind you that the soldering of the stk (semi-conductors) you will want to use a heat sink on each terminal you solder otherwise you take a chance of burning the conductor befor you ever get to use it, if you have no exp. soldering i wouldnt sugest trying it !!!!

Posted on Aug 18, 2008

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Posted on Jan 02, 2017

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Panasonic Model #PT51HZ41E Blue is not converging, red and green perfect. Blue lines move but will not converge have replace STK392-110 checked all resistors what else could the problem be


On my Panasonic PT-56TW53, the down left quarter of the screen has a big colour distorsion. Convergence can adjust blue and red, but green is not able to show a straight line. Is tis a mechanical adjstment? Help would be great.

Feb 11, 2010 | Televison & Video

1 Answer

Color wash at upper right corner of screen and lower left corner, color bleed. Resembles the colors of a florescent yellow or purple highlighter.


Projection TV sets have two common problems. The first is known as a convergence problem. Common symptoms are....
  • 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.
The other common problem is cloudy CRT fluid in the lens.

Common Symptoms - you TV may have one or more of these...
  • Dull Video
  • Bright video - whiteish
  • Redish video
  • Halos around objects
You can see some example photos and find a solution here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Nov 27, 2009 | Panasonic PT-61HX40 61" Rear Projection...

1 Answer

I have a Panasonic PT-53WX54J that will not Converge


you need to replace or have professional convergence amplifiiers. If know how to desolder and solder you could repair yourself or in home professional tv repairperson will cost you $275-$400. The convergence adjustments via remote are half the battle the IC's loose clarity over time.

Aug 23, 2009 | Panasonic Televison & Video

2 Answers

Panasonic pt-47wx53g red is out of convergence range


Have you moved the TV recently?, if so the red can(Red source) in the back bottom of the TV may have physically shifted in its holder, this is common when a rear projection tv is moved, jostled. Take the back off, look at the three cans,Red, Blue, Green, see if they all look like they are nested the same, bet the red is shifted a little.Good Luck with it!
kskip69

Aug 22, 2009 | Panasonic PT-47WX53 47" Rear Projection...

2 Answers

MOVED TV NOW NO PIC JUST RED BLUE GREEN ON TOP HALF OF SCREEN


Try re-soldering convergence IC pins first, they might get loose when you moved the TV.

May 27, 2009 | Panasonic PT-61HX40 61" Rear Projection...

1 Answer

Ok, so I Replaced stk-392-110 (2) and......


Check the resistors in the red convergence circuit right next to the Ics you will need to lift one side of the resistor out of circuit to acurately check them but usually one or two resistors will be opened when the ICs go out

May 17, 2008 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Convergence off on top and the 2 side right and left


You need to check all the convergence resistors out of circuit 1 or 2 are most likely open and need to be replaced. You can get the service manual and free tech support at this link .
http://servicemanuals.vstore.ca/

Apr 16, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Convergence


When this happens it means the convergance Ic's have failed ( STK392-110's) they will need replacing then the cross hairs will move again

Feb 07, 2008 | Panasonic PT-56HX40 56" 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

Skt IC and Capicitor??


You need to replace both STKs. They are pretty obvious to find in the unit. They are normally mounted to the same heat sink and will typically be about 3 inches long each, maybe 2 or so high...Front should read something like STK350-120

Feb 07, 2007 | Panasonic PT-61HX40 61" Rear Projection...

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