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I have a 42 inch LG plasma tv and when I switch it on, all I get are vertical coloured lines on the screen. What could be the cause of this and can it be mended. The TV is only 3 years old so do not want to just dispose of it. thank you. linda footman

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5 Suggested Answers

SOURCE: jvc tv picture quality

sounds like your crt tubes...meaning Red, Green and Blue are out of alignment...or possibly 1 of the crt's is burned out.

Posted on May 04, 2007

  • 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

Siliconchip
  • 52 Answers

SOURCE: LG PLASMA TV WITH COLOURED LINES OVER SCREEN

If the Video (Picture/Pix) is gone but you can hear the Audio (sound), then it could mean the YSUS PCB Assembly is gone/kaput/finish. Can replace the PCB, not repair the PCB due to timing circuitry involve. Cost maybe roughly $500 depending where you located. The PCB is located on the left hand side of your TV when you are facing the back (Back open). Might find 3-4 brown flex membrane connecting to the plasma panel. The PCB has a silver or black aluminum heatsink (big) on it.
Good Luck.

Posted on Jan 05, 2008

  • 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

HDTV GURU
  • 261 Answers

SOURCE: TINY 42 INCH PLASMA. TURNED

Did you get your set up and running yet? Let me know...Jay

Posted on Feb 18, 2008

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