THOMSON POWER SUPPLY BOARD MODEL NUMBER 430ATH1000 The 430ATH1000 is a specific model number for a Thomson LED TV, and the "SMPS main board" refers to the Switching Mode Power Supply (SMPS) or power supply board, which is a crucial component in the TV. This board converts the AC power from the wall socket into the stable DC voltages needed by the TV's various circuits. Here's a breakdown: SMPS (Switching Mode Power Supply): This is the type of power supply used in most modern TVs. It's more efficient than older linear power supplies and uses a switching circuit and a transformer to regulate the voltage. Main Board: This is another term for the power supply board in the context of a TV. 430ATH1000: This is the specific model number for the Thomson TV that uses this power supply.
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