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I have an LG 42PX4D-UB plasma, and last night it stopped switching into Component 2 Input. I can still get the Component 2 input by choosing it as the Main Input, but once I go to another Input, it is lost again. Very frustrasting.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 42 inch LG Plasma TV - Lost picture

sounds like it may be a software upgrade

Posted on Oct 31, 2007

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  • 15 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

ysus pcb that supplies voltage to the panel is faulty

Posted on Dec 15, 2007

  • 3 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

Our LG 50" plasma tv screen went black after a popping noise but still had sound, after great diliberations decided to take the back off and have a peek!
We unplugged the tv and tested the fuses (there were three we could see) one had blown, the one on the left as you look at the back of the tv it also has one above it. We wrote the code/seriel number down and took the fuse to the electrical wholesalers Maplin and bought a pack of 10 fuses for £1.29 replaced the fuse in the tv and everything now fine!!!!!!
Hope this might be of use to anyone whose lost the picture after a loud popping/snacking noise but still has sound.

Posted on Jan 17, 2008

mistersony
  • 320 Answers

SOURCE: HDMI Input Stopped Working Sony Bravia KDL-40S2000

Bad input board BU or AU

Posted on Oct 18, 2008

  • 13 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

This is almost certainly the device that sends electricity to the the plasma in the panel after failing. Bring to your local repair shop and expect to pay 300-400 parts and 100-200 labour.

Cheers,
Stephen

Posted on Apr 28, 2009

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