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SAMSUNG 4K LED TV ANDROID MOTHER BOARD MODEL NUMBER UA55DUE76AKLXL The main board for the Samsung TV model UA55DUE76AKLXL acts as the central control unit, integrating all primary functions of the television. The specific part number for the main board can vary, but it is typically responsible for audio/video processing, smart features, and connectivity management. Key Features and Specifications Handled by the Main Board The main board manages the core operations and features of your Samsung TV, including: Picture Engine: Utilizes the Crystal Processor 4K for image processing, 4K upscaling, and other enhancements like Motion Xcelerator and UHD Dimming. Resolution: Supports 4K Ultra HD (3840 x 2160) resolution at a 50 Hz native refresh rate. Operating System: Runs on the Tizen™ Smart TV platform, enabling access to apps, web browsing, and features like Samsung TV Plus and SmartThings. Audio: Manages the 20W, 2CH sound output with features like Q-Symphony, which orchestrates sound with compatible soundbars. Connectivity: Controls all input/output ports, which typically include: HDMI ports: 3 ports for connecting external devices. USB ports: 1 USB-A port for connecting hard drives or other USB devices. Wireless: Wi-Fi and Bluetooth support. Ethernet (LAN) port: For a wired internet connection. Main Board Function The main board is essentially the "brain" of the TV. If it fails, symptoms can include distorted images, incorrect colors, freezing, or no video/audio output.