37" Hisense LCD tv full hd 1080P (hd tv,HDMI, VGA input, ) can't get it to work with the digital zone 37" sound bar with Bluetooth wireless and subwoofer to play through tv it will work with DVD player only I have no cable just internet, I have an roku 2 ,and older RCA converter from 2009. The sound bar has no HDMI port only the optical cord,but my tv has no optical cord. I need help as I may not be able to return it back to finger hut