how do i connect my ipod to insignia receiver..i have the cable from Best Buy and my model # is IS-HTIB102732 purchased in 2006. My Insignia television and cable box are running through the receiver. When I plug the cables into the red, white and yellow holes on the vack of the receiver, nothing happens. Should it be on AV1 or AV2 or what on the receiver? And what do I need to change the input source on my TV to?