Philips 973 Series Safety Instructions page 14

Home Theatre System - HDMI ARC
HDMI 1,2,3,4 ARC
MHL
14
Digital Audio System - OPTICAL
Blu ray - HDMI MHL
HDMI 1 MHL
DIGITAL AUDIO OUT - OPTICAL
Toslink Toslink
HDMI 1,2,3,4
Computer - HDMI
Multimedia Player (UHD Video source)
HDMI 1,2,3,4
HDMI 1, 2