EDIT: You want to connect TV to speakers. My bad. Yeah. You need the cable shown by Arafat. And even then only front two speakers will have sound. Cannot be helped(*1). You're better off getting an AVR.

(*1) If your TV has audio out or headphones out, you can theorically shoehorn it to PC by plugging it into PC Line-In, but then there's no point in doing that since the PC must be always on to process the sound. Might as well mod your PC into a HTPC and use tuner card...

This post has been edited by RAMChYLD: Jan 25 2010, 01:59 PM