Question about Panasonic PT-47WX53 47" Rear Projection HDTV

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Why does the picture suddenly show blue and yellow shadowing? Almost looks 3d?

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Most likely the two STK-392-110 convergence chips are bad.

Repair can be do it yourself if you want. Total parts cost on EBAY under 35 dollars.

I also have start to finish, step by step instructions for this repair in this set.

Let me know how I can help you, I am here to help.

SD TECH

Posted on Nov 06, 2010

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I turned My tv on and the top of the screen has red, green, and blue swirl lines, and the rest of it looks like watching a 3D movie without glasses, and the picture looks as if you took out the screen and...


The tv have a problems known as a convergence pictures problems,it is dead.Tv have any colors lines R,G,B mis alignments,have colors shadows pictures or pictures look like 3D?Yes,than the tv convergence board it is dead.The tv convergence board must have it components parts replaced like 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence pictures problems.The tvs shops will cost u like $300-$350 for parts and labors.

Aug 11, 2011 | RCA D52W19 52" Rear Projection Television

1 Answer

Tv shows images in red, blue and yellow colors only


Tv have a problems known as a convergence picture problems,it is dead.Tv have colors lines R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?Yes,than the tv convergence board it is dead.This tv convergence board must be repairs,u must require to replaced components parts like 2 STK convergence ICS and some or all of it resistors too.To fixed the the tv convergence board to solved the tv convergence picture problems.The shop,will cost like $300-350 for parts and labors.

Jun 29, 2011 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Blue shadows and a yellow and blue arc acroos the bottom of the screen


Tv have a problems known as a convergence problems it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board it is dead.The tv convergence board must require replacing 2 STK convergence ICS and some or all of it resistors too.To fix the tv convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Mar 02, 2011 | Pioneer SD-582HD5 58" Rear Projection...

1 Answer

THE PICTURE ON MY TV IS SHOWING A YELLOW SHADOW ON ON SIDE MORE & A BLUE SHADOW ON THE OTHER. IS THIS A BULB PROBLEM?


TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.

Common Problem #1) Convergence has gone out

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 pics of convergence problems.


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Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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69189a5.pngSOLUTION

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

Jan 28, 2011 | Panasonic PT-47WX49 47" Rear Projection...

3 Answers

I have red and green shadows. I tried using the Converge Red/Blue and Multipoint Red/Blue functions as described in the manual but neither worked


The tv 100% have convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv have a dead convergence board,the 2 STK convergence ICS and some or all of it resistors are dead too.These parts on the tv convergence board,must be change to fix the tv convergence board to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

Dec 10, 2010 | Philips Televison & Video

2 Answers

I have a blue and yellow shadows in my picture and when i use the perfect focus all the colors are in line except the blue.


Sounds like the STK packs are bad. Maybe change convergance amps along with protect fuses or low ohm resistors on the PCB

Oct 13, 2009 | Akai PT5598HD 55" Rear Projection...

1 Answer

Blue/yellow shadows


This is a common problem. Your convergence has gone out.

Common symptoms are...

1) 3D Video
2) Warped Video
3) Convergence menu does not adjust the red or blue correctly.

Go here for a solution...

http://www.fixya.com/support/r2861627-updated_convergence_problems_amp

Sep 06, 2009 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

Blue shadows appear to be behind white objects


TV shows large red spot in middle of tv when dark show are on, you can see it more.  Now blue spots on upper right side too.  Spend way to much on this tv to have these kinds of problems only after 3 yrs.

Nov 16, 2008 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

Porjector


Hi there

Is it a LCD or DLP ?

First try using a different cable. If the problem stil occurs this might be a faulty Mainboard - which would need either repair or replacement.

Does the discolouration show in the startup screen as well ?

Apr 17, 2008 | Office Equipment & Supplies

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