Thanks for taking the time to post your question.
As far as I know, there is no universal way of hooking up your iPod to a Home Theatre receiver. This means that you would have to do some research about your particular make and model (receiver) to find out if there is a dock or other module (some allow wireless or bluetooth) that allows communication to the iPod.
If you can join the forums and provide us with the model number of your Sony receiver we can help you better. I hope you found that information helpful