The TV has an Optical SPDIF Digital Audio Output and the AV receiver has an input for the same (labled SA-CD/CD IN on the receiver). You could use an optical TOSLINK cable to hook them up together. This will help with 5.1 surround sound too. https/www.amazon.com/AmazonBasics-Digital-Optical-Audio-Toslink/dp/B00NH11H38
The TV has an Optical SPDIF Digital Audio Output and the AV receiver has an input for the same (labled SA-CD/CD IN on the receiver). You could use an optical TOSLINK cable to hook them up together. This will help with 5.1 surround sound too. https/www.amazon.com/AmazonBasics-Digital-Optical-Audio-Toslink/dp/B00NH11H38