A:Answer Hi dave,
You cannot use the speaker connected to your TV and use it on the AV receiver. If you need further assistance, we encourage you to make use of our many online resources to help with questions regarding your Sony product.
https://www.sony.com/electronics/support (Sony Support website)
https://us.esupport.sony.com/support/s/support-contact?language=en_US (Chat support)
Regards,
David