How can i hook my smart tv up pto my onkyo amplifier to hear my tv thru surround sound

[caryrowepainting]

Sony smart tv connect to old amplifier. To hear surround sound

 

[Alabalcho]

What outputs does your Sony have? What inputs does your Onkyo have? Model numbers would help a lot...

For surround, you need optical or coax audio out from the TV. As a general rule - optical Out from Sony -> Optical In to Onkyo