For a more detailed explanation please look at the Connectivity article in the 'About' section.

Single RCA Digital Audio/Composite/Subwoofer/Center
2 RCA Audio
3 RCA Audio/Video or Component Video
6 RCA Dolby Digital (6 channel audio)
S-VHS Video/S-Video
F-Connector Audio/Video
BNC Video/Digital
Toslink™ Digital Audio
Mini Optical Digital