Facing TV Problems? Ask a TV Technician.
Hi there! Would you mind telling me what you see on your screen? If it's a blank screen with a red key on the bottom left, simply press the (function or F) button and the mute button at the same time. This should unlock the screen and allow you to view the channel as desired. If your television is asking for a 4-digit code or password ***** enter 3308 or 6688 to unlock the screen or reset any preset rating levels. Please give these methods a try and let me know the results. Thank you!