Top box (cable) connects to HDTV via HDMI-2, ROKU2 connects to TV via HDMI-3, TV connects via HDMI-1 ARC to 5.1 Surround Sound

[gfg1006]

HDTV to cable to roku to surround sound output.

 

[gfg1006]

My second question, do I need to also connect a digital optical cable from tv to 5.1 surround sound to have it work with Roku?

 

[cindynjan]

HDTV to cable to roku to surround sound output.

My Roku and TV are blinking. The TV screen blinks whether I play the Roku or the TV. What should I change on the receiver settings?

 

[cindynjan]

HDTV to cable to roku to surround sound output. What does this mean?