LG 55-Inch LED LCD TV - 55LM4700 Cinema 3D TV with Sound Bar and 4 Pairs of 3D Glasses 55LM4700 Logo
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Sameer Shah Posted on Nov 10, 2015
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Why is my tv screen black but sound is fine?

The problem is that the screen went black but the sound is fine. I did the flash light test and can see the picture when light is flashed on the screen. Any die

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Jerry Kramer

Jerry Kramer

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  • LG Master 3,933 Answers
  • Posted on Nov 10, 2015
Jerry Kramer
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Most likely your back light or your inverter.

  • Sameer Shah
    Sameer Shah Nov 10, 2015

    Thanks Jerry. How do I identify which part this is inside my TV? Can these be replaced?

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