Question about Hitachi 53UDX10B 53" Rear Projection Television
Likely it is appearing because one of the picture tubes (there are 3, red, blue, green) has a focusing voltage that is disproportionate from the others, and is drifting.
I would think that your power supply is beginning to fail, or one of you tubes is beginning to fail.
Posted on Aug 31, 2010
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Posted on Jan 02, 2017
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