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How to repair a TruSurround By SRS On A Sony 57-Inch HDTV

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

OPFloridaGuy
  • 3 Answers

SOURCE: Samsung SRS TV

Have you attempted to go into the menu and adjusting the convergence.. Check in the menu and line up the bars. If this does not work it might need to be adjusted manually.

Thanks Steve

Posted on Mar 27, 2008

Ecollier2012
  • 3459 Answers

SOURCE: My Hitachi 57 inch HDTV 57F500 model has a convergence problem

Your TV most likely has one or more 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
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 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 Apr 03, 2009

ladywinn
  • 5138 Answers

SOURCE: What does a bad optical block cost to repair on a

Call UED for price of rebuilt one 1-800-648-6657 Light Engine

Posted on Sep 27, 2009

  • 597 Answers

SOURCE: 57H84 57 in. Rear Projection HDTV-Ready Television: tv screen turns red then shuts off the tv is a 57 ...

call tech support...tell them # of flashes

Posted on May 20, 2010

  • 57 Answers

SOURCE: This gray box won't go away on my uncle's TV. It

hello my name is rico, you have bad main board, and it needs to replace it, for the square box to go away. if you need more help, call me anytime. 602-810-7149.

Posted on Jan 07, 2011

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Okay I just called and found this out. I have the 32 inch vizio hd flat screen. My problem with weak and fluctuating volume, was that I have a cable box. Go into menu, then audio and under the advanced audio section you will see srs trusurround HD and srs trusurround. Basically this function automatically adjusts volume levels for satelites and whatnot. But because cable boxes automatically have this feature you could just turn off the srs trusurround. Hopefully that should help you.

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See attached photos, it sounds like a convergence problem.

The model indicated uses two of the STK-392-560 chips for this. Usually replacing both will fix the problem.

Total parts cost on EBAY for this repair (I use the seller) will be under 25 dollars and repair takes less than a hour.

I have fixed over 1,000 sets with this problem--I can assist you if you need help.

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


SD TECH



7130651.jpg



92236ed.jpgTypical convergence chip---your set's should have STK-392-560 PRINTED ON THE FRONT OF THEM.

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