Question about JVC AV48P777 Television
I have a JVC AV48P776/777 TV that started showing green vertical lines with a line flashing continously across the screen. Turned the TV off. When powered on again, the TV now has vertical jitters on the picture. Any suggestions?
What you are experiancing is loss of High voltage. The line is called a retrace line. It is usally caused by failure of the flyback circuit or aging of the TV tube. This is the single most common failure with CRT based display systems. The high voltage can be tweaked up, to accomidate for the age of the tube. Its a short term solution. Because of the high voltage nature of this circuit, suggest a professional repair.
Posted on Jun 29, 2009
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Posted on Jan 02, 2017
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