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spiking

Padraigh Posted Jun 18, 2009

power spiking/arcing

Have a JVC 32 inch flat screen (2 yrs old). lately after watching tv for bout 30 mins it crackles for a split sec and a line flashes across the screen. It is like a miny power surge. As you watch for longer it gets more frequent. I have checked everything elst Ie power plug, input from sky etc. It is definately the tv. I connected the old dogs ears aerial and it still does it. I opened it up and had a look for dust etc. but could not find any. What can I do. It is out of warranty. Thanks for your help

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    Re: spiking

     JB38 Posted Jun 18, 2009

    If you are referring to a flat screen CRT set then I would take what you hear as a prior warning of a potential major breakdown in the high voltage section of the TV, this usually associated with the time base circuitry. Should at any time a single white line appear across the screen switch off instantly or you are liable to cause permanent damage to the phosphor on the tubes screen, this resulting in you being liable to see a permanent dark line across the picture which would be there for the entire life of the set. And just to reiterate, the above only applies to a set with a tube and not an LCD type.

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