Question about JVC AV-56WP30 56" Rear Projection Television

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Convergance Issue... We purchased our tv in 2003, would it be expensive to have the stk ic replaced?

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You can call in a shop or do it yourself. Average repair bill from a shop will range between 300 - 600. Average DIY cost will be 70.00

Your TV most likely has 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.

Convergance Issue... - 3dc9420.jpg
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0dcec37.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 should be replaced. This is a common problem.
SOLUTION

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 www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

Posted on Jun 21, 2009

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I have a JVC Model AV-48WP74 with boble screen with the red around. Please could help me where I can get the kit to fix it and what would be the chip that I should buy.

Posted on Jul 21, 2009

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Posted on Jan 02, 2017

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1 Answer

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Yes, your Convergence ICs have failed. Replace the STK chips, check fuses and the resistors next to the STK chips. Replace as necessary and re-align via the service menu.

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You can if you know How to solder, Call Mats for Parts 1-800-628-1118 Look on Your STK ICs go by the number on them example STK392-110 STKs are big black ICs will have STK on them!

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You can get from the link below


Click this link to get convergence IC

It will cost you $20-30 to buy these IC .

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The resistors are 39 ohms, metal oxide.
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want swapping. You can get them off ebay..

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Convergance- Red X will not move to make crosshairs white. Picture is doubled with red and blue. TV is a 55 in Mitsubishi VS55601.


Hi,
This problem is related to the Convergence controller IC called STK.It must get malfuntioning replace the STK IC with the same numer IC. But one thing is importent that there must be two IC STK's and you have to change both of them.
Thanks

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You can get the replacement Convergence ICs at this website I am posting. Just order the same STK numbers that are on your Convergence ICs. They provide instalation instructions and free on line tech support with every purchase. Heres the link.

http://servicemanuals.vstore.ca/

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You must have checked fusible resistor?
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