Question about JVC AV-56WP84 56" Rear Projection Television

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Picture Problem , Sony Projection TV

Picture bow's in on the side or bow's in from top to bottom. On the outside of this rounding effect , you can see the color blue , or red . Any tips on what part/parts that need to be replaced

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  • 2 more comments 
  • rd1ski Oct 01, 2007

    Thank for the tip , this is a Sony projection KPR46EXR15 , I thought that was is my first message

  • shirlee7 May 06, 2008

    sony 46 inch kp46wt510

  • chrissy32820 Dec 07, 2008

    bows in the middle

  • ssg_johnsonc Dec 27, 2008

    SAMSUNG PCN5425RX/XAA Red color bows from top and picture has double vision



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Your TV most likely a convergence failure. ( common problem )

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.
Here are some photos of convergence problems.

Picture Problem , Sony Projection TV - 3dc9420.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 directions your convergence chips are bad and shoPicture Problem , Sony Projection TV - 0667c5f.pngaced. This is a common problem.


You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

Posted on May 22, 2009

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Generally, a convergence issue==replace STK IC's. ( Look for largest heat sink in set ) Further help needed?==provide make,model.

Posted on Oct 01, 2007

  • Vista Electronics Oct 01, 2007

    Convergence PCB is up front,behind speaker grills/access panel.STK 4278L X 2.Also,solder
    any/all bad connects on convergence board.
    Check both 3.15 amp fuses.Re-install--usually,
    no further adjustments needed.
    To improve pix quality,remove rear cover--clean RGB lens caps w/soft cloth.



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Good luck, big IRISH. PS; Hope this was helpful.

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