In fact, there are a few ways to check and diagnose any connection issues with your Sony Smart TV. 

Running the network diagnostics, checking your Wi-Fi signal strength, rebooting your router, and testing an Ethernet cable are all steps you can take to ensure you have a fast, stable Internet connection to your TV.

A reliable Internet connection is essential to streaming content and using apps on your Sony Smart TV. 

By following the steps in this guide, you can identify and fix any connectivity problems to keep enjoying your Smart TV.