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All 3 colors, Red, Green and Blue are offset from each other. The colors ''overlap'' one another. How do I fix this?

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Install a convergence repair kit which contains the parts and instructions on CD. You can get repair kits at the following link for many models.
www.tvrepairkits.net

Posted on Jun 26, 2009

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What is convergence IC problem


Convergence has to do with how different colors are displayed on a screen or monitor - typically the rear projection and some other types. When colors are overlapping to create unexpected combinations, or leave gaps between areas where overlapping is expected that results in a shifted red, green or blue image strip or edge - that is an indication of a convergence issue. They can look like this in severe cases:

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Colors will drift, so manufacturers often include a utility to help you nudge the colors back in the right place. Most times this utility is buried in the Set Up Menu and when activated, produces a screen like this:

6c0170ed-2cd6-4dfa-bbcb-a10a7d20f92f.jpg


You will need to adjust the red, green and blue colors for each cross so that only a white cross is displayed. Keep red, green and blue fringing to a minimum. When you're done, the screen should look black and white, symmetrical and straight - like this:

40e4c7a6-f241-4888-a151-d21b0792cb71.gif

Problems arise when you are no longer able to coax the utility to give you these crisp, B&W results with no red, blue or green ghosting. This is often due to a failing convergence integrated circuit ("Convergence IC"). Many times, replacing it will solve the problem, but other times it can be the result of failing components either ahead or after this IC. If you're attempting to replace this IC, please make sure the TV or monitor has been *unplugged* for 24 hours or more to allow the dangerously high voltages to dissipate.

Sep 08, 2014 | Hitachi 50VS810 50" Rear Projection HDTV

1 Answer

Red color seperating


If you mean the red light is displaying offset from the blue and green then the red LCD panel inside the projector needs to be physically adjusted. If you take the projector apart you'll notice that the light source is split into red, green and blue light by passing through an optical splitter. Each color then passes through it's own LCD panel. Next, each color is joined back together by another light splitter to be projected to your screen. The red LCD panel is misaligned.

Jun 03, 2012 | NEC MultiSync MT1050 Multimedia Projector

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

The monitor has now got a blue tint I have checked the lead


Your monitor has a menu system that will allow you to access the color guns so you can adjust the red, blue, green guns that create the color picture.

The blue tint may indicate that you need to adjust teh reg and green to offset OR it may indicate that you have lost the red gun all together.

If this is an older monitor and you are considering repair... cost points say it is cheaper to buy a monitor ~$60 bucks

Oct 03, 2009 | Computers & Internet

1 Answer

My 51 inch Magnavox rear projection has red and green overlapping


the coolant is bad inside the blue and green pix tubes-to verrify this you can remove the front edge of the screen(it pulls off-one edge at a time-take out screws to remove screen-after screen is off look down at blue/green tubes pix is bad or not there

Sep 07, 2009 | Philips Magnavox 50ML8105D 50" HDTV DLP TV

1 Answer

3 screen colors have separated and screen is bowed in the middle.


I take it this is a projection TV. so they use three lensed CRTs red green and blue. you should have a setup screen that projects a grid pattern. red green and blue. there is SOMEWHERE a adjustment that overlaps the three projected grid patterns. Making a WHITE single grid pattern. red green and blue make white light. Pin cushioning is the bowing. you may find a POT to adjust on the back of the set. I have no idea what set you have.
Lastly.. Pin cushioning can also be caused by faulty flyback transformers.
Hope I could help.. new here LOL
Happy Fixing =)

Jul 12, 2009 | Televison & Video

1 Answer

Problem with RGB color...registering as green and image distorted


did u fix your tv cuz thats the same thing thats happening to me

Apr 15, 2009 | Philips 60PP9202 60" Rear Projection...

1 Answer

Covergence out of alignment on 1/4 Vertical left side of screen


You need to manually adjust the alignment:
On remote, press Menu to get to the main menu
Then arrow down to "ADVANCED FEATURES"
Then press "enter"
Then Arrow down to "CONVERGENCE" and press "enter"
"Red Convergence" should be highlighted
Press "enter"
You now have Green, Red, and Blue overlapping crosses.
If Red is out of whack, use arrows to align
To toggle to blue (and back to red), press "VIDEO"
Then align blue cross
Once the crosses look aligned, and nice and white, press "AUDIO"
This will bring up the Advanced Convergence screen
This is a grid of the same overlapping colors
You have control over the Red and Blue
If Green is very out of whack, you'll need a repairman…
While the "target" is flashing, you can move it around the screen with the arrows
Place it over an intersection to adjust, then press "enter"
Now the "target" is steady (not flashing), and you can use the arrows move your color
When it's aligned, press "enter" again
Now "target is flashing, and you can go to the next square.
You cannot adjust every intersection.
Some areas need to be adjusted via the adjacent intersection
When you're happy with color you're working on,
Press "video" while target is flashing to change to the other color
Repeat the above (blue is much harder to see and adjust for me…)
When you're happy with the entire grid, start hitting "Menu"
Each press brings you back out one menu level, until you are out of them
Once you're used to the process, it should take no more than a minute or two.

Mar 02, 2009 | Mitsubishi WT-46805 46" Rear Projection...

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

COLOR SHADOWS


Select each color. all you have to do is align it with white by using the directional arrow keys - Simple! For fun, Grab a pair of red and blue 3d glasses and offset the red and the blue channels. Yes, I have too much time on my hands. Good luck :)

Apr 07, 2008 | Hitachi 60SX13B 60" Rear Projection...

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