HW-D550 - UN55D8000 - AppleTV and Scientific Atlanta (Cable)

CORRECTION:

Left the AppleTV connection HDMI2 of the soundbar and the Soundbar connects to the TV on HMDI2arc. So in this configuration the signal is going to the soundbar and then to the TV.
I connected the Scientific Atlanta to the TV (HDMI3) and the cable still exists on (HDMI2arc) to the soundbar and put the soundbar to Dig1arc. So in this configuration the signal is going to the TV and then to the soundbar.