Question about Sony KP-65WV700 65" Rear Projection HDTV

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Convergence problem for a sony kp-65ws500 projection tv 2002 (serial number 9012594). flash focus will not line the tubes up. Can someone tell me how to tell what i need to replace

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  • Susan Albert
    Susan Albert Feb 25, 2009

    actual model number is kp-65ws500

  • kaptaindonut Mar 23, 2009

    This convergence adjustment was helpful, thank you. I can play a movie from my laptop s-video just fine, but snow otherwise. Is my tuner shot? Can I replace it with something better? Thanks, Kaptain

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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.
convergence problem for a sony kp-65ws500 - 701cb04.jpg
77ea520.jconvergence problem for a sony kp-65ws500 - f0900cb.jpgh_mi
f0900cb.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 convergence problem for a sony kp-65ws500 - 2c07611.png should be replaced. This is a common problem.

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 of a set that needs the fluid changed.

5convergence problem for a sony kp-65ws500 - 65af323.jpg class=
TV set after fluid change

65af323.jpg

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 28, 2009

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Turns off after 30 seconds


i think the convergence amps are weak, or the akb circut has caused the tubes to go bad, google your model number to see if it is in the tube problem. sony made some projos w/ bad tubes in them. tv lasts only three or four years,no cause i had one

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Replacing the Convergence ICs should fix the problem. They are located on the Deflection board. Sony has used a couple of different ones over the years I think they are STK-392-120's but please do not hold me to it.
Hope this helps,
Skyassoc

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KP_65WS500 Tube numbers


Here is the part number for the blue tube B 07MVC61, the Red is R 07MVC61, and the Green is G 07MVC21. The number to contact the company that makes the tubes is 1-800-241-5005 Ext 143

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Replace STK-392-110s or 150s upgrade with 180s replace both ics.

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