Apple TV/FM Radio System - Manual (Page 48)

The video input card ports are exactly the same on a
computer with a built-in monitor, and the card itself is in
about the same position on the back of the unit as in the
illustration below of a computer without a built-in monitor.
Your video equipment is now connected to the video
input card.
S-video cable
Cables with
RCA plugs
S-video port (7-pin)
Right sound input port (red)
Left sound input port (white)
S-video port (4-pin)
The ports on
your video
equipment may
be arranged
and labeled
differently from
those shown here.
Right audio out port
Left audio out port
41 Installing the Card and Software