With the amount of time you're talking to even get yourself back to the point of watching via USB, yet alone the onboard tuners you are much better buying an Android TV box. I have a similar LG Smart TV so it should support HDMI-CEC or AnyNet+ as LG calls it.
Click on the HBO Max app to open its details page. On the app’s details page, you will find information about HBO Max, including a brief description, screenshots, and user reviews. Click on the “Download” or “Install” button to initiate the download and installation process. Wait for the download to complete. Hulu Live TV supports a wide-range of devices to stream NBC including Amazon Fire TV, Apple TV, Google Chromecast, Roku, Android TV, iPhone/iPad, Android Phone/Tablet, Mac, Windows, PlayStation, Xbox, Nintendo, LG Smart TV, Samsung Smart TV, Sony Smart TV, and VIZIO Smart TV. $76.99 / month hulu.com. To share content, connect your PC or smartphone to your Smart TV using any of the wireless or wired connection methods supported ( DLNA, Wi-Fi Direct, Miracast™, WiDi, NFC, MHL, etc.) or plug a USB device directly into your Smart TV. After establishing the connection, you can enjoy the stored content on the large screen of your Smart TV. Configuring Smart Home settings. ①You can search for content and apps. ② If your remote control has no Settings ( ) button, you can use the Home ( ) button instead to access the Settings menu. ③ You can view notifications. ④ You can open your LG Electronics account. You can sign in.