Sorry about that...our Samsung Smart TV nodle's number UN50H6203AFXZA
Does this help? I'm not sure where you are located. I'm in Central Standard Time and it is currently 11:45pm. Would it be possible for either me to call you around 33pm tomorrow or can you call me on my cell at xxxxxxxxxxx? My husband has given up within 30 min and I know with your help; I can accomplish the connection.
It is currently set up as...HDMI from Roku to TV, RCA to the stereo to the cable box and HDMI from cable box to TV.