Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television

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Green Convergence on a JVC 56" rear projection t.v.

A few weeks ago the convergence on my JVC 56" rear projection t.v. went out. I was able to realign it. A week later the green convergence on the top left hand corner started to curve downward and I was not able to align it. Now all three colors are not aligned but especially the green which is curving and I am not able to put them back. Is this expensive to fix or am I better off with a new t.v?

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  • joecool11 Jan 05, 2008

    I have a JVC 56" rear projection t.v.. And the green convergence on the top left hand corner is curve downward and I'm was not able to align it. I can however adjust the red and the blue. How can I adjust the green? I'm vary greatfull for any help that you might be able to give me.



    Thanks

  • ewith1999 Jan 31, 2008

    I have the same porblem as the other 2 posters. The green color is "bowing" at the top of the screen. I can perform the fix I just need some direction. My tv is the JVC HV-53PRO. So I would need to purchase the service manaul and the schematics to aid my troubleshooting, correct?



    Thanks for any help.

  • Anonymous Sep 11, 2008

    I the same problem with my 56 inch I"Art except it is the Blue color

  • Anonymous Oct 18, 2008

    Same issue

  • whse Oct 25, 2008

    same problem but mine are all the colors

  • Rickie H Mar 16, 2009

    I have the same problem with green convergence bow in the top left corner which is not adjustable. Is it the convergence chip, cold soldier, or power supply? Any help would be appreciated.

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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.
Green Convergence on a JVC 56

f0900cb.jpg
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 directiGreen Convergence on a JVC 56" rear projection t.v - 2c07611.pngnvergence chips are bad and should be replaced. This is a common problem.

2c07611.pngSolution #1

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 note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

Posted on Mar 21, 2009

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Replace the ssb5068a & also the ssb5068a/r at the same time ,it's cheap insurance !
the "A" is for red &the a/r is for blue & green.Remembeer to check all resisters associated with them ,they will look burned out or well used .

Posted on Jun 02, 2009

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Find a reputable tv guy in your area and they will be able to repair for you by replacing the convergence amps john

Posted on Sep 11, 2007

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http://servicemanuals.vstore.ca/
Let me know if you need more information.

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Definitely worth it! Should go another five years!
The STK convergence IC's need replacement. I can guide you---
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