Your TV has a Digital Optical Audio Out and an Analog Audio Out 3.5mm
You will need an Analog Audio Out 3.5mm to RCA audio (red/white) cable to connect the TV to the receiver.
like this one
or a more complicated route
You could get a digital to analog converted and use your TV Optical Audio Out connected to the converter, then use RCA audio cable to connect it to the receiver.
like this one