Well my issue is with IR remotes on two different 722Ks. No, none of my TVs have that "functionality" that interferes with IR remotes.
But yeah, I've definitely heard that UHF pro can be interfered with by Wi-Fi devices. I am assuming your PS3 uses a wireless connection.
But yeah, I've definitely heard that UHF pro can be interfered with by Wi-Fi devices. I am assuming your PS3 uses a wireless connection.