Dell Inspiron 1521 (Mid 2007) - Manual (Page 73)

Using Multimedia
73
1 Turn off the computer and the TV and/or audio device that you want to
connect.
2 Connect the component video adapter to the S-video TV-out connector on
your computer.
3 Plug all three ends of the component video cable into the component
video-output connectors on the component video adapter. Make sure that
the red, green, and blue colors of the cable match the corresponding
adapter ports.
1 component video adapter 2 component video cable
3 standard audio cable
1
2
3