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

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BLACK GAP ON RIGHT SIDE OF TV SCREEN

I NOTICED THAT ON THE RIGHT SIDE OF MY TELEVISION SCREEN, THERE IS ABOUT A 3 INCH BLACK SPACE. IT LOOKS LIKE THE PICTURE IS NOT FITTING THE SCREEN. ANY SOLUTIONS? I HAVE DIGITAL CABLE ONLY AND NO HI-DEF TV.

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  • Sony Master
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This is a sign of an aging horizontal deflection circuit. Go through your initial setup menu and see if the set gives you the option to adjust 'width.' This may have enough range to stretch the video to the edge but it will also affect the geometry of the displayed video.
As of now, the component most likely growing old is an electrolytic capacitor in the horizontal circuit that has lost value. It is usually a bipolar capacitor in the range of 4.7 - 33 uFd. It will likely continue and become more annoying and if you look closely, you can probably see that the geometry of the picture on that side is not as it should be; it will often appear 'squashed' together.
Allowing it to just grow may result in the failure of the flyback (a high voltage transformer) and/or the main power transistor that drives it.  

Posted on Sep 22, 2008

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