Things You'll Need
Instructions
Turn the PS3 off.
Hook the optical digital cable into your PS3's optical output. The optical plug-in lies to the left of the "A/V Multi Out" plug-in.
Plug the other end of the optical cable into your receiver's "Optical In" plug-in.
Turn on the receiver if necessary and change the input setting to "Optical Digital." See the receiver's manual if you do not know how to change the input.
Turn the PS3 on and access the XrossMenuBar, commonly referred to as the "XMB."
Go to "Settings."
Select "Sound Settings."
Choose "Audio Output Settings."
Change "Connector Type" to "Optical Digital."