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TV had red and green ghosts of increasing severity. A new tv is not an option at this time. We replaced the convergence and all seemed to go well. However when turned on, no picture and the on/off light blinks. I hope you can offer some hope. Thanks!

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Mjsmail411,

You didn't mention whether you replaced the convergence ICs or the digital convergence box. If the unit worked, with misconvergence, prior to doing the work you have one of three problems. 1) The part you purchased is bad (I have had two new convergence ICs turn out to be bad out of the box) or 2) you shorted some points which should not be shorted when changing the part(s) or 3) there is still a bad part in the circuit which hasn't been changed/found yet.

First look at the soldered connections of the repair with magnifier glasses and make absolutely sure that no connections are bridged. If you do not find any problems check all the resistors and diodes in the circuit to make sure that when the original part failed it did not also short a diode or resistor. This would not affect the circuit startup until the new part was put in.

In addition I have a tip at http://www.fixya.com/support/r4220499-change_projection_tv_convergence_ics which could be helpful.

Thanks for using FixYa and for the great rating.

hardrocko

Posted on Oct 13, 2010

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1 Answer

Color is distorted. Green, red, and blue ghosts


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.

Convergence problems are very common on all Projection TV sets including Sony, Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit from the link below.

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 - TV may also make a chirping noise.
Here are some photos of convergence problems.

49abec3.jpg
f0add3d.jpg


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.

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 solution

93a1209.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you know what you are doing. If you have never done this before we would advise calling a shop or if you want to do it yourself get a complete kit with instructions and support from www.TvRepairKits.com

Jul 15, 2009 | RCA P52950 52" Rear Projection Television

1 Answer

Green & Blue Ghosting Convergance problem


Odds are real good that the cooling fluid in the green and blue picture tube assemblies has become contaminated. You can tell by looking down into the lenses with a flash light. Funny thing is the red never gets contaminated because whatever organism is causing the problem can't survive in red light. BTW this may still not solve all of your convergence problems but when the colors are so badly diffused the convergence sensors for flash focus can't lock onto the beam landing.

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1 Answer

Toshiba 43HX70 convergence problem


One or both of the STK convergence chips have probably failed.

I can give you guidance on this if you are confident to do the repair. I had the same problem with my Tosh 40WH08B and after replacing these chips it works like new.

May 21, 2009 | Toshiba Televison & Video

1 Answer

Ghost and red


Sounds like the TV needs major convergence alignment and possibly a a full color scale adjustment. Projection TV's have the most alignment issues. Since I don't know manufacturer I can only give you general ideas. Most projection TV's have either auto or manual alignments which can be accesed through the menu. However the adjustments may be tricky to get to. Once convergence is done if video is still red you will need to get in the TV and set up biasing levels on each tube. Hopefully the tubes are just slightly degraded and can be readjusted for a nice quality image.
I suggest finding a local guy and asking him to possibly do a quick a;ignment for a fixed price.
Good luck

Apr 18, 2009 | Televison & Video

1 Answer

Convergence problem, blue ghosts


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

You can see more examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Sep 01, 2008 | Samsung PCN5425R 54" Rear Projection...

1 Answer

**** tv


this is an indication of convergence failure. on this set first question i need to ask is IN you setup menu do you have the convergence option. if not this is an indication of a special fuse that has failed. if not it can be more.

Jul 26, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

2 Answers

GREEN GHOST


If you want to adjust focus and screen there is a focus block some sets they can be found on the front behind the gril then behind a cut out held in place by screws if not check from the rear. But a ghost like you say sounds like a convergence problem

Mar 21, 2008 | Philips 9P6444C 64" Rear Projection...

1 Answer

Blue, red and green ghosting, curves in picture


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

Oct 30, 2007 | Mitsubishi VS-45609 TV

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