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The Tv just got a green ring around the edge of the picture

We moved the sony tv which is about 5 years old up stairs and now it has a green ring of color around the screen. Can I fix that. Its not that old,

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If this is a TV with a CRT (glass tube screen) then this pattern will be caused by a residual magnetic field in the shadow mask (the metal bit at the front behind the glass). Normally when a TV is turned on from cold a set of wire coils demagnetize (or degauss) the set and clear these patterns. If this circuit is not working you will have to take it to a repairman and get him to do it manually (or the shadow mask in twisted). In future handle the set with care and keep it away from strong magnetic fields (vacuum cleaner motors, etc).

Posted on Dec 21, 2008

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Posted on Jan 02, 2017

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