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Hi I have a 43UJ630V and am being driven mad by the poor sound sync between the TV and my Sony Home Cinema connected via HDMI & Optical. Vision lags behind the sound typically by about 1 second or so, but it seems constant and doesn’t change with time. I’ve tried all sorts but can’t make any difference; it does the same whether I play a DVD on the Home Cinema, stream off internet via Home Cinema or TV, or watch tv with sound out through Home Cinema; clearly something is wrong! Before the LG I had a Sony TV connected the same way and it worked perfectly. I suspect the delay may be due to the upscaling of the images but can’t see any control. Maybe the TV/WebOS needs a control to adjust the sync? Andy