Question about Sony KP-53V85 53" Rear Projection Television

2 Answers

Double vision with redness

I have a Sony 43" rear projection and it just started to have double vision and red glowing around figures.

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  • Anonymous Jan 29, 2009

    I purchaced my Sony 43" rear projection tv in December 2001 and have the same double vision and redness. Considering the cost of the unit, I am surprised that the tv would break down after 7 years! My 30 year old RCA colour tv is still fuctional.

  • benhelle May 11, 2010

    how do i replace the convergence ic's

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  • Sony Master
  • 3,459 Answers

Your TV most likely has one of two possible problems.

Problem #1: Convergence Chip 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.
Double vision with redness - 701cb04.jpg
77ea520.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 comDouble vision with redness - 2c07611.png.

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.


Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture

TV set after fluid change

2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from
www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

Posted on Feb 22, 2009

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  • Master
  • 899 Answers

Convergence IC's need replacing, and testing of resistors on them

Posted on Dec 10, 2008

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Double image with mixture of color red and blue


There are 2 convergence IC's that will go out over time that will need to be replaced. There may be a pico fuse and possibly some resistors that will have to be changed as well. There has to be quite a bit of testing done before hand, and quite a bit of setup afterwards so you may want to hire a technician to do it. Our shop gets around $250 - $300 to do a convergence job like this one.

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Its failure of convergence ICs and will be replaced.
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Projection sets have two very common problems.

The first common problem is convergence


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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You need to replace the two convergence ICs they are STK392-110 you can get replacements at the following link with fre installation instructions.
http://servicemanuals.vstore.ca/

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1 Answer

Seeing red on my screen and doubke vision


Could be a problem with the convergence IC's or a resistor(s) / capacitor(s) around the IC's.
I suggest calling a service guy and getting the TV fixed.

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