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Double image overlapping with red and green color on the images

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This is commonly known as convergence problem. to answer further neee to know make and model of tv

Posted on Apr 21, 2009

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Posted on Jan 02, 2017

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Why does my hitachi rear projection tv has double image?


Are the double images different colors, such as red or blue or green? If so, the projection unit is "out of convergence, meaning the images are not superimposed on one another. That requires a convergence generator, also known as a video alignment generator.

Apr 28, 2017 | Hitachi Televison & Video

1 Answer

Image is showing double on the screen. The entire screen's images are doubled and overlapping over themselves. Some color distortion obviously as well. Images basically aren't lining up. The red color...


On Rear Projection TVs there is a thing called "convergence" in which the color bands are lined up so that they can mix to make the colors that we see on the screen. When a TV of this type is moved or bumped around, or even near a source of electrical interference it can throw this out of alignment. Many TVs have options in their menus to set convergence.

I believe it is under Menu > Picture > Convergence I'm having trouble finding the exact process used for this, but it will be noted in your user guide as well.
If this does not resolve the issue you may need to purchase a convergence repair kit which requires a considerable amount of electrical knowledge and can take several hours to repair.

Feb 28, 2011 | Hitachi 65SWX20B 65" Rear Projection...

1 Answer

Picture


This tv have convergence problems,it dead.Red,green,blue misaligns colors,have colors shadows,3d colors pic like.All these problems are the convergence board have 2 STK convergence ICS some or all it resistors are dead.These parts must change to solved convergence problems.The shop will cost u $300-350 for parts and labors.

Jun 07, 2010 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Samsung HCN4727W Rear Projection TV, green screen, audio works


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the 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,Akai2_bing.gif,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou 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

Jul 10, 2009 | Samsung HL-R4667W Rear Projection...

2 Answers

Double Image Red and Green


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.
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Here is a quick test....

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

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

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


2c07611.pngSolution


You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick email and they will put one together for you. Their kits includes photo instruction guides, original Sanyo STK chips, convergence resistors, pico fuses, etc.

Feb 08, 2009 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Color distortion


Hi, could use a little more info, if your seeing red, blue, or green colors overlapping the image then your convergence IC`s have failed, if thats not what it`s doing please reply with more info about the symptom, video-tek

Feb 08, 2009 | Hitachi 43FDX20B 43" Rear Projection...

1 Answer

Double image on green


Focus won't help if it is a double image. Sounds like convergence amps need to be replaced. Very typical on these.

Jul 04, 2008 | Hitachi 61SDX01B 61" Rear Projection...

1 Answer

Double image - colors out of sync, concave image


bad converage ic's, check reisters around them and fuses for -&+VCC

Apr 09, 2008 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

Red and Green picture with ghost images


sounds like the high voltage transformer arc or one of the picture tubes arc causing the convergance ic to go bad
you can try to replace the IC heres a site to help:
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

but you still may have a arcing problem.

Dec 11, 2007 | Pioneer SD-533HD5 53" Rear Projection HDTV

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