Welcome and thank you for posting here in the Roku Community, @grizz77!
It is highly appreciated that you've reached out to us for support about the playback issues you've been experiencing with the Western channels and we'd be more than happy to find you the best resolution possible.
In this case, kindly try to check for available software updates on your TCL Roku TV by navigating to your Settings > System > Software update > Check Now. After doing so, ensure the signal strength of your network connection under Settings > Network > Check connection and visit our Support article to learn more about the results on How to check the connection to your home network and the internet.
Furthermore, if the issue persists, kindly let us know the specific channels affected. We'll be anticipating your response!
Best regards,
Carly
Carly Y.
Roku Community Moderator