No. There is no charge to setup and register any Roku device, including your Philips TV. However, fraudulent websites do exist that may try to charge you. Please see the article here on the Roku support site for more information, including what to do if you have paid money to a fraudulent website:

ROKU Support

The information on this page applies to the following models: 50PUL6553/F7 , 65PUL6573/F7 , 65PUL6553/F7 . Click here to show more product numbers  ›