“HDMI port 2 and 3 both do not allow sound from cable box. A crackling sound Happened and then no more sound. How to fix it or does it need to be repaired or replaced?”

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• We would be happy to look into the problem you are experiencing with the HDMI ports on your 70UK6190. Drop us a line on Twitter at @LGUSSupport or on Facebook https://www.facebook.com/LGUSA/ or you can give us a call at 800-243-0000 so we can get more info and see what we can do. ^CP

  Answered by LG Digital Customer Care 7 years ago

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