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ESA 42 Plasma picture problem

Hi my tv started acting up a few weeks ago and unfortunetly my warranty just ended 3 months ago...anyhow the picture goes blank but you can still hear the sounds and stuff but no picture some times i turn my tv on it works fine but then like after a hour or 2 the picture goes out. Its happining everyday now sometimes it stays on for a few hours sometimes it doesnt i think its prolly overheating or something i put a big fan behind it and it seemed to help the tv is 2 years old. Any suggestions? Will it cost a fortune to fix?

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  • yellowblurr Dec 02, 2008

    Yep... I have the same problem. Most of the time if I unplug the tv over night, I'll get about 2 hours of use before the picture starts bouncing all over the place and eventually gets so bad I have to turn it off.

  • Anonymous Mar 21, 2014

    I always put my LG TV on when I go to bed and inevitably fall asleep with it on. If I wake up a couple of hours later, the picture and sound are off but the power (blue light) is still on. Is there a setting or something that can be adjusted? Thank you.

  • Anonymous Mar 29, 2014

    I need another tablet or another charger because my tablet is acting up.

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The power supply is having difficulty. The typical cause is underated electrolytic capacitors. I would examine all the caps (round cylindrical cans) in the power supply and see if any of them are bulged. Not a bad idea to just replace all of them with better rated parts.
These type of caps have all kinds of specs. Not just voltage and capacity, but also temperature, case size, and obtuse stuff like dissipation factor. Most all power supplies use switching type designs that run at serious frequencies (not the old 60 hz - more like 50khz) that stress out these electrolytic caps and many circuit designers (or their cheap bosses) don't specify the better parts. Replace them with the same capacitance, but higher voltage, and higher temp parts (hopefully they will not be too big physically).
Ya, I know you paid $$$ for this TV and they scrimped on cheap parts. Yup, the more expensive a product is, the more pressure the bean counters put on keeping the price down.
Hope Ya Fix It.

Posted on Feb 12, 2008

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