Question about Sony KP-46WT510 46" Rear Projection HDTV

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Location of the convergence circuit board inside the KP46WT510

Can you direction to the whereabouts of the convergence circuit board inside the KP46WT510?

Thanks for your help.

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You have a convergence problem. Here are some of the most common symptoms. 
Screen looks 3D
One or more colors can't be adjusted when using the convergence menu. 
Screen is bowed in but stationary.

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 need to replace the convergence chips and convergence resistors. 

Check the site www.TvRepairKits.com. They have put together a kit for your exact model. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc. Everything you need to fix it yourself. 

Posted on Feb 03, 2009

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http://servicemanuals.vstore.ca/

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its more likely needing the convergence ICs replaced. You can get the convergence repair kit for your model at the following link which contains both IC the six pico fuses and four of the feed resistors, The kit comes with instructions. Heres the link.
http://servicemanuals.vstore.ca/product_info.php/pName/sony-kp46wt510-convergence-repair-kit/cName/convergence-repair-kits

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Location of the convergence circuit board on KP46WT510


they are located on the board on the left when looking in the rear of the set ( Brown Board) you can get the convergence repair kit at the follwing link which has the ICs , the six pico fuses and four of the feed resistors, plus it comes with instructions, Here's the link.

http://servicemanuals.vstore.ca/product_info.php/pName/sony-kp46wt510-convergence-repair-kit/cName/convergence-repair-kits

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Replace the convergence ICs and the pico fuses you can get a convergence repair kit at the following link which is for the KP46WT510 But its the same one for your model. The kit contains the two convergence Ics all six pico fuses and four resistors. Plus free step by step instructions with pictures that show how to do the repair. Heres the link to the kit.
http://servicemanuals.vstore.ca/product_info.php/pName/sony-kp46wt510-convergence-repair-kit/cName/convergence-repair-kits

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Below is exploded view of your Sony KP-51HW40 TV rear side which shows board names and location.
You need to check D Board for convergence ICs and these are marked as IC8001 & IC8002 on circuit board.

097a23d.jpg

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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.

42d3683.jpg

7859b01.jpg

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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

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
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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1 Answer

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pic of ic known as SDK's
41ae87f.jpg Heat sink is a hunk of metal attached to above

on a sony the convergence board is known as "d" board labeled with a big D
see
LINK

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KP46wt510


What you need is the complete D board for your TV set. One is available at ptscorp.com, or call them at 1-800-844-7871. Good Luck

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