Question about Sony KP-57WV600 57" Rear Projection HDTV-Ready Television

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Sony KP57wv700 replaced STK 392-560 with STK392-570 convergence seems to be fixed but picture is not steady and right speaker is crackling with lower sound than left .

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Hi,
Please recheck your work and make sure all connectors are plugged correctly, especially red thick wire that goes from flyback transformer to HV block, it must be inserted fully and locked internally in HV block. make sure other small boards are not lose mounted in A board for sound issue.
Let me know did you removed D board from tv to replace convergence ICs? any other detailes will help me to diagnose possible cause of problem because I can not see this tv in real.
Thanks.

Posted on Nov 07, 2010

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Posted on Jan 02, 2017

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My tv works it looks Like the picture is three inches to the right. It has a right shadow.


The tv have a problems known as a convergence pictures problems.Tv have any colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board it is dead to causes this problems.The tv convergence board must have be fixed.The tv convergence board must have it parts replaced like 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The tvs shops will cost u like $300-350 for parts and labors.

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The tv have a problems known as a tv convergence pictures problems,it is dead.Tv set have any colors lines like R,G,B mis alingnments,have colors shadows pictures or a 3D pictures look alike?Yes,than the tv set convergence board it is dead to causes all these pictures problems.The tv set convergence board must have to be repair like replacing 2 STK convergence ICS and some or all of it resistors too.To fixed the tv set convergence board to solved the tv set covergence pictures problems.The tvs shops will cost u like $300-350 for parts and labors.

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Convergence problem---set uses two of the STK-392-560 convergence chips.

Both will have to be replaced and set adjusted with remote.

Total parts cost on EBAY under 25 dollars.


I can tell you what is involved.

see attached photo of typical convergence problem and typical convergence chip.

If this told you something you did not know, rate this solution as very helpful as I do this here for free.

SD TECH


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28f74b6.jpg

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I have a sony Projection TV KP46WT510 convergence issue. How can I fix it? I see fusy picture with red and bleu double picture. I tried the convergence fix in manual and it shows the issue but could not...


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.

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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.

0667c5f.pngSOLUTION

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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http://www.fixya.com/support/t1684874-screen_blue_green_green_red_outlines

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http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
Sony Convergence
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
http://www.techlore.com/article/19631/Sony-Convergence-Procedure/

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Problem could be low voltage from power supply as well as the amp ic for the convergence board. Need to take voltage readings from the test points on the board and compare them to the readings you should be getting from the service manual.

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