If your Sony TV has built-in Chromecast support, you have another way to watch Peacocktv.com/tv content. You can use the below steps to cast the Peacock TV app on both Android and Google TV models.
 Connect your Sony TV and Android device/iPhone to the same network.
 Launch the Peacock TV app on your smartphone and hit the Cast icon on the home screen.
 Choose your Sony TV to connect with it.
 Now play the title that you want and it will be cast on the Sony Android TV.