Community Forum
Our new converter boxes don't work with our older TVs. The old boxes worked fine.
You probably need one of these that have component or composite output:
https://www.xfinity.com/support/articles/x1-hub-vs-companion-box
@Andycat wrote:
Our new converter boxes don't work with our older TVs. The old boxes worked fine.
would you be more specific? what is the model number that you have? how are you trying to attach it to the TV (HDMI? Coax?)