Question about Sony KP-57WS510 57" Rear Projection HDTV

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Convergence repair kit used but problem is worse

We purchased the convergence repair kit for our sony projection tv and complete the repair, but the problem is worse. We tried to adjust the convergence using the menu on the tv, but nothing changes. Does anyone know what is happening?

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  • Sony Master
  • 8,617 Answers

Did you check and replace the two pico fuses on the G board and also the six pico fuses on the D board? If so double check the solder often a pins mounting ring will lift up during the removal and prevent solder connection when doing the install.

Posted on Jan 01, 2013

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Posted on Jan 02, 2017

Slinteriors
  • 8617 Answers

SOURCE: sony projection tv convergence issue

You will need two STK392-560 Convergence ICs and you will also need two of the 3.5 amp pico fuses as Sonys will always blow at least two of the Pico fuses. You can get replacement ICs and Pico fuses at the fiollowing link and they provide free instalation instructions. Heres the link.
http://servicemanuals.vstore.ca/

Posted on Aug 10, 2008

Ecollier2012
  • 3459 Answers

SOURCE: convergence Issues

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.
701cb04.jpg
77ea520.jpg
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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.

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.

578ba6c.jpg
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

Slinteriors
  • 8617 Answers

SOURCE: My colors wont stay converged

put a convergence repair kit in the set that will usually repair the Issue. You can get the Sony convergence repair kit which works with your model at the following link. The kits contain the replacement parts and complete instructions www.tvrepairkits.net

Posted on Jun 23, 2009

tvrepairbiz
  • 63 Answers

SOURCE: sony projection tv convergence problem

You need to replace the convergance IC's and a pico fuse on the power supply

Posted on Sep 03, 2009

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How do you replace the Projection convergance on a sony 57inch widescreen tv.


you will need to replace both of the STK392-560 convergence ICs then the six pico fuses on the D board will need to be checked and possibly replaced, the G board also has two pico fuses that may need replacement. The SONY Type 1 convergence repair kit is available from www.tvrepairworld.com which fits your model the kit contains the two ICs, with heat sink pastre, the D board picos and the G board picos plus the CD that has step by step instructions for the repair

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That sounds like a Convergence IC issue. Have you tried the auto focus? If so does that stop short? If so its most likely the convergence. Your model uses the Sony Type 1 convergence repair kit available from www.tvrepairworld.com the kit also contains the step by step instructions on cd along wth the ICs and pico fuses.

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Tv have a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows or 3D pictures look alike?Tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.The tv convergence board must be replacing these parts to solved the tv convergence pisture problem.You have all the tools and can do basic electronic and soldering.Tries websites like Tvrepairworld.com,Tvrepairkits.com to buy a tv convergence kit that belong to ur tv model and repair it ur self.The shop will cost u like $300-350 for parts and labors.

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Sorry ur convergence ICS are shorted and dead.Because u put in solders and take out solders to many times.The heat of ur soldering iron,and the electrostatics will kill the ICS,if keep putting heat in the ICS legs alots times.Buy the convergence kit again,replaced every componnents in that kit to ur tv.Because,the kit been research and put together.What the most common componnents that burn and dead in the convergence circuits.

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You probably need to get a Sony TV Convergence Kit. More information can be found using the link below.

Convergence Symptoms:
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  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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Convergence is dead.Must replaced 2 convergence ICS,and some or all it resistors.Can u do soldering electronics parts?Buy a convergence kit at websites Tv repair World.com,Tvrepairkits.com to repair it ur self.The shop will cost u $300 for parts and labors.

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Ur convergence it dead.Know how to solders?Buy a convergence kit,replaced,use what in that kit.Tries these websites.Tv repair World.com,Tv repair kits.

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You probably need to get a Sony TV Convergence repair Kit. More info can be found using the link below.

Convergence Symptoms:
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You can see some examples and find convergence repair kit information here.

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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Sony KP-65WV700


Its convergence problem.
Let me know do you want to fix it by yourself?

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