Question about Sony FD Trinitron WEGA KV-36FS120 36" TV

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Colors Faded in my sony KV-HA21M83A 21''

Suddenly my tv has responded in a strange way, the colors are gone away and strange faded colors spotted in different area of screen, please help

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  • irfan.rashee Nov 11, 2008

    Thanks a lot, it really works:)

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I too had this problem and found a solution that suggested the picture tube need to degaussed / demagnetized. I had no ideas what this meant, but was told to quickly turn the TV on and off several times. It worked! Good luck.

Posted on Nov 11, 2008

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Its magnetic effect on picture tube. Power Off TV for 20-30 minutes then turn it On, hope problem will be resolved. Please also check and remove any speaker or some thing have magnet near by TV.
If color spots are still there, picture tube need to degaussed / demagnetized.

Posted on Nov 10, 2008

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Two color variant spots in the middle of my Sony KV-34HS420 34 in


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Jun 10, 2009 | Sony FD Trinitron WEGA KV-36FS120 36" TV

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1 Answer

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This may be a CRT problem. From what it sounds like i.e. dim picture, colors not bright. If you have a background in electronics I would tell you to check the voltage levels on the CRT pins and compare them to the values on a schematic, however if you do not have a background in electronics, I would suggest you taking the TV to your local TV repair shop and have them troubleshoot your problem.

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1 Answer

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1 Answer

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Jan 19, 2008 | Sony FD Trinitron WEGA KV-36FS120 36" TV

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Sony KV-32HS500


I recently got a similar TV with the same problem i thought my brother had taken something with a magent in it and sat it on top of his old TV when i got it it had the dis color up top right,
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Well i tried it, tried to get the color as small as possible, carful not to get too close to the screen, i got it pretty close to being gone somewhat, and i turned the TV off, well i turned it back on, and guess what, the spot was completely gone, and never came back,

I suggest to try this ONLY if you have no other solutions to your problem,
im just stating what worked for me, and im not a tech,

Goodluck.,

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