Sony KP-46WT510 46 in. Rear Projection HDTV Television
Problem for Sony KP-46WT510 46 in. Rear Projection HDTV Television

Green Out Of Focus




By icewatson19 on May 30, 2009

" "
Hi, My Samsung SP-48T5HP Projection Television has suddenly became out of focus,giving a curve in the top of the screen and showing a double picture,it seems that lost the conberge with the green focus. Any Idea what I'm against. Please email me at Marilyn.Estrada@xtra.co.nz with a possible direction. Thanks Before Hand the green light is all bent and out of focus. i see a double picture.

Solution #1

posted on Jun 19, 2009
Not Rated)

Ecollier2012

Rank: Guru  Sony Expert
Rating: 93%, 557 votes
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.




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.

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