Question about LG RU-52SZ51D 52" Rear Projection HDTV-Ready Television

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THE TV TURNS ON BUT THE SCREEN STAYS BLACK however if you plug in a desktop pc the tv works but there is interferance through it or if you plug in a set top box using an RGB connection you can see tv but also with interferance through it(interferance like when someone used to turn a vacum cleaner around an old tv hard to explain but you might get what i mean) PLEASE NOTE THE COLOUR IS FINE THERE IS NO DISCOLOURATION AT ALL. I DONT KNOW WHATS WRONG WITH THE TV BUT I KNOW WHAT ISNT. ITS NOT THE POWER SUPPLY AS TV TURNS ON EVERY TIME AND DOESNT TURN OFF UNLESS YOU WANT IT TO. ITS NOT THE OPTICAL ENGINE(very common for this model)THE COLOURS ARE FINE NO DISCOLOURATION AND I DONT THINK ITS THE LAMP AS IT SHOULD HAVE MORE THAN HALF ITS LIFE LEFT benassi@live.com.au

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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

IrishDruid
  • 2712 Answers

SOURCE: Need new ballast, I think... Where do I get one?

Some TV models require an input signal for it to work..Before you look to replace the ballast, try plugging in your cable service or a DVD/VCR/CD and see if this activates the TV...

Hope that helps..

Posted on May 05, 2008

localwonder
  • 6784 Answers

SOURCE: I HAVE LG PROJECTION TV

Normally when this happens, this is because of the power supply board is going threw some abnormal fluctuation. i would check this board for minor solder breakage.

Posted on Feb 06, 2009

falter
  • 245 Answers

SOURCE: My LG Colour tv model no- RF-21FA20KV

go in touch with LG customer service....they will help u with ur problem

Posted on Mar 07, 2009

  • 147 Answers

SOURCE: On screen message "lamp life over error!" when first switched on.

It is easily changed yourself; take the access door off where the lamp is, then two phillips screws on the lamp. Get the old one out before you go and buy a new one to make sure you can do it.

Posted on Apr 02, 2009

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