Posted on Jul 13, 2008

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Tried convergance, but would work

I have a convergance problem (red and blue are both offset). I tried going into the convergance menu, but the crosshairs won't move. Am I doing something wrong or do is the problem minor or severe? I have a convergance problem, the red is offset and the crosshairs will only go so far and than stop moving? Any help

Anonymous Mar 12, 2014

I have a convergance problem (red and blue are both offset). I tried going into the convergance menu, but the crosshairs won't move.

5 Answers

Anonymous

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Posted on Jul 13, 2008

Anonymous

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This are the links to guide you with step by step directions and diagrams
http://www.repairfaq.org/sam/tvfaq.htm#tvtvrep
or
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

or
www.tv.manualsonline.com

Ginko

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Posted on Jul 13, 2008

Ginko

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Druid may be right, usually faulty ICs give convergence problems of this kind.
Before you should perform a convergence setup procedure, you find details on service manual.
After performing setup the convergence board should be tested and eventually repaired.
All this jobs should be done by an expert repairman, even service setup procedures may damage your tv if you do not know what you are doing.

Anonymous

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Some Models will only let you move in a spiral pattern out from the center.
Your tv may or may not have different convergence modes that you will have to adjust, if your tv is a hi-def you will need to converge the hi-def mode as well, With the cross hatch up you can press the <picture mode> key to switch between the different modes. Make sure you save your changes before changing picture mode or your changes will be lost.

More Information

Save changes often.
The green crt is used to align the other two colors. If you need to get the grid straight, straighten up the green completely before adjusting the other colors. An overlay may be needed if the green is way off.
After adjusting a point, you may throw another point out of convergence, Check for this.
Start converging in the center and go out, don't start on the outside you will be fighting the convergence if you do.
Avoid the tendency to adjust the worst point first, most likely one of the other smaller adjustments will get that badly converged point very close to where it needs to be. By adjusting that badly converged point first, you can throw off a well converged point somewhere else.
If you are at the edge of the screen adjusting a point there, look at the opposite edge of the screen, you can throw a point off on the other side if you over adjust.

Hope that helps..........

Anonymous

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This is an indication that either the connections on the pins of the convergence ICs are bad or the ICs are defective. If you can solder, you can repair this yourself. Try resoldering the pins on the ICs first. If that fails to resolve the problem, replace the ICs. These are large black ICs attached to a heatsink and will be marked STKxxx.

Keep us posted.
Dan

Anonymous

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I think you need to replace the IC convergence modules..

1 more comment
Anonymous Jul 13, 2008

But if you have no prior experience, I would recommend getting in touch with a repair service.May cost you about $150..
But if you have a clue, drop a post back, and i will give you a link to try a DIY..But mind you, there are voltages in a TV that are deadly and can KILL, even if you know what you are doing..
Anonymous Jul 13, 2008

i meant to say that if you have no prior experience, contact a repair service..
Anonymous Jul 13, 2008

Spot on Ginko, and thanks..

Spot on Ginko, and thanks..

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The divergence is messed up and it looks like I'm watching a 3D movie without glasses and its permanent

It looks like a Panasonic? not real bad but off, you might if have the original remote try to go into the menu for Convergence and see if the several crosses that can be called up will adjust---looks like red is offset some but might be adjustments
if the red or blue will not adjust enough or at all in some direction the two chips the set uses would have to be replaced, if its panasonic I have instructions for those---tell you everything you will need and how to do it--YOU will NEED a working Panasonic remote to see if set will adjust or not and after replacing the parts to adjust.

Let me know the model/brand and if you can solder or what? Soldering is involved if the chips are bad and need to be replaced.

18 pins on each chip Your video looks like the red is offset to the right on the left side of the screen. the chips may not need to be replaced if the convergence adjustment in the customer menu will move the red to the left in that area.

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The screen looks as if it is 3D. The colors are all offset.

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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.

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Screen looks 3D
Colors don't line up
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Screen is bowed or warped.
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Here are some photos of convergence problems.

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

CONVERGENCE 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

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Blue outline around images on screen and also on menu yellow offset. picture was fine. I have tried convergence and did not help

Have the convergence IC's replaced. Only one has failed but have both IC's changed as the other is not far behind..

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Oct 08, 2009 • Televison & Video

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My picture is not fitted to the screen.

go into the menu find convergence
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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 projeciton 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.

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

CONVERGENCE SOLUTION

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This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

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