Dell Studio 1558 (Early 2010) - Manual (Page 229)

Connecting Your Computer to a TV and Adjusting Display Settings
229
Evaluating Suggested Connection Configurations
S-Video and Standard Audio
NOTE:
You can connect an S-video cable directly to the S-video TV-out connector
on the computer (without the TV/digital audio adapter cable) if your TV or audio
device supports S-video but not S/PDIF digital audio.
1 Plug one end of the S-video cable into the S-video output connector on
the computer.
2 Plug the other end of the S-video cable into the S-video input connector
on your TV.
S-video TV-out
connector standard audio
connector