This article explains how to use any projector as a television. Depending on the capabilities of your projector, you may need additional hardware or adapters to use it as a television.
The Truth About Switching to a Projector! [120” 4K Laser Ultra Short Throw]
While a projector can easily take the place of a television for most functions, they are not completely interchangeable. The main difference is that televisions have built-in TV tuners, which allow them to receive broadcasts over the air. So while you can easily use a projector in place of a TV to play video games, stream movies and shows, and other activities, the crucial act of watching broadcast television requires additional hardware.
Here are your options for using a projector as a TV:
Before you can use a projector as a TV, you need to figure out what method you are going to use. If you have a cable TV subscription, a cable box is the best method because it gives you access to the service you are already paying for.