Samsung QA75QN800CKXXL E-Manual page 18

Cable name
DVI
to
HDMI
Optical
Component
Composite
Available connection cables may differ depending on the model or geographical area.
Image
DVI to HDMI cables can transmit only digital video signals and not
audio signals. We recommend that you use HDMI to HDMI cables.
Optical cables are used to transmit audio signals to external
speakers with low signal loss.
Optical cables can't transmit video signals.
Component cables transmit analogue signals.
The video signal is separated and transmitted to the red, green and
blue terminals to provide HD (1080i) pictures. The audio signal is
transmitted to the red and white terminals.
Composite cables transmit analogue signals.
The video signal is transmitted to the yellow terminal and the audio
signal is transmitted to the red and white terminals.
Description
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