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Sound but no vision, black screen

I was watching my telly the other day, everything was fine. Then all of a sudden, the screen went blank. I could hear all the sound but the screen went blank.

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It's either the backlight lamp or backlight inverter is busted due to a power failure or fluctuation. Here's how to determine which is which:

  1. Grab a flashlight.
  2. Turn on the TV.
  3. Shine the flashlight onto the screen.
  4. If you cannot see any display even a faint one, the backlight inverter is dead, else the backlight lamps are busted.
  5. Replace which ever is the culprit.

Posted on Sep 25, 2009

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Posted on Jan 02, 2017

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