LG LED TV POWER SUPPLY BOARD MODEL NUMBER 42LM6410 The LG 42LM6410 TV uses a specific power supply board, often referred to as an SMPS (Switched-Mode Power Supply) unit or PCB assembly, which is available as a replacement part. The precise manufacturer part number is typically needed for exact compatibility, but the board is designed specifically for the LG 42LM6410 model. Key Details Part Type: The component is a power supply board or SMPS unit designed for the LG 42-inch LED TV model 42LM6410. Function: It is responsible for converting the incoming AC power to the various DC voltages required by the TV's main board, LED backlighting, and other internal components. Compatibility: The part is specifically compatible with the 42LM6410 model and potentially some other similar LG models, but compatibility should always be verified with the seller or manufacturer.