If the receiver doesn't have digital inputs then your options are
1. Use the headphone out on the TV (if it has one).
2. Get an optical to analog audio converter. Check the TV manual on how to set up the optical output.
If the receiver doesn't have digital inputs then your options are
1. Use the headphone out on the TV (if it has one).
2. Get an optical to analog audio converter. Check the TV manual on how to set up the optical output.