Question about Sony FD Trinitron WEGA KV-32FS120 32" TV

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Color in corner going bad

Bottom right corner the color is very green as if the color is going out. What is this caused by and what is the fix?
Thanks!

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  • Sony Master
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U drop this tv before,like CRT yoke in cathode ray tube have big jumbo.Any magnatic around also,Tries moves the the difference directions might help,like northwest,southeast,so on.

Posted on Oct 07, 2009

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My Toshiba TV was on like normal, then suddenly the green color seperated from the red and blue.. On the bottom left corner you can see the green is 4 inches up while the others stay at the bottom. So if...


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

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I'm afraid, it is problem of optics unit block (light engine), there are 3 LCDs red-green-blue for color picture formation and blue LCD sounds bad, please call local TV tech for fix.
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Double Letters-One in Green other Red in bottom corner


yes goto menue and goto convergence
line up all red blue and green cross hairs so thay are wite.
thanks.
daniel

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Green blured color started at bottom left corner and growing


Based off manufactureing timeline it sounds like you have some capicitors going bad you will need to contact a qualified Service agent for a service call to repair the problem.

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Hi,

Service the LCD Panels and then try.

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65 in.JVC bad picture


You may have a convergence problem that means, there may be convergence ic's bad or related components.
If you know something about tv's, try checking things out.
You can get a repair manual from websites to download.
If you do not normally fix tv's the best thing is to call a tv repair technician.

Feb 22, 2008 | JVC AV-65WP55 65" Rear Projection...

1 Answer

Wave at bottom of screen with green and pink shadows


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • 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.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

42d3683.jpg

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

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1 Answer

Red colored halo at bottom corners of screen


Movement of any TV can result in a problem caused by bad
solder connections.In your case, the red convergence IC......
Found on a circuit board,mounted on large heatsinks........
Part # STK392-040.....Change both for prevent maintenance.
Do not use generics - I use OEM or better = Sam,Pan,Hitachi.
After repair,recheck alignment................T.

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COLOR ISSUE,


either the tube degause cirt is faulty or you have another appliance close to the display,sometimes changing the position of the display will cure this.

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