Dell Inpsiron 560 (Late 2009) - Manual (Page 238)

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Connecting Your Computer to a TV and Adjusting Display Settings
DVI Connector
1 Connect the DVI video adapter to the DVI connector on the computer.
2 Plug the other end of the DVI video cable into the DVI video-input
connector on the TV.
3 Plug the single-connector end of the audio cable into the headphone
connector on the computer.
4 Plug the two RCA connectors on the other end of the audio cable into the
audio input connectors on your TV or audio device.
DVI connector
standard audio
connector