LG 42LC2D 42 in. LCD HDTV "blu ray player loud" Questions

...Blu-Ray DVD player to my system. Could this be the problem The Blu-Ray will not cause this problem and in my experience the popping or arcing is coming for the ysus, zsus, or one of the buffer drive ...

...Blu-ray player because I also have a computer hooked in and it won't work either. In fact using the remote I cannot even get any of the pop up option features to come up (like selecting the input ...

...blu-ray player). This could only mean that the HDMI sound decoder has gone bad, right? How involved is it to fix or replace these? Would it involve replacing the whole controller board inside the TV? ...