As we all know whenever they change the remotes they fix one thing for some TV models that break it for other remotes.
Find a different code for your TV using the remote manager, or, utilize the learn function. You're offered an option to add learned commands to existing code.
Menu->Settings->Remote Manager->TV Code->Learn->Add learned commands to existing code->Start Learning.
Instructions are well laid out for you on-screen. At least you have the OEM remote. Biggest issue as a tech when programming customer TVs on ViP Receivers is if there's no code, and they don't have an OEM remote, I can't help them.