The Vu 55XT780 LED TV uses a switch-mode power supply (SMPS) to convert AC power from the mains to the DC voltages needed for the TV's various components. This SMPS, model number LTDN55XT780XWAU3D, takes an input of 200-220W and provides the necessary DC voltage levels. The SMPS is a critical component for the TV's operation, and finding a replacement or troubleshooting it requires attention to its specific model number. Key details about
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