Dell Precision M60 - Manual (Page 105)

4. Plug the other end of the composite video cable in to the composite video connector on the television.
5. Plug the single-connector end of the audio cable in to the headphone connector on the computer.
6. Plug the two RCA connectors on the other end of the audio cable in to the audio input connectors on your television or other audio device.
Composite Video and Digital Audio
Before you begin, ensure that you have the following cables:
1 TV/digital audio adapter
cable
2 composite video cable
3 S/PDIF digital audio cable