LG LED TV POWER SUPPLY BOARD MODEL NUMBER 49UB820T The main power supply board for the LG 49UB820T-TH TV is a Switch Mode Power Supply (SMPS) designed for 4K LED TVs, often found as a specific part number like EAY63250101 (or similar variant for the 49UB820T model), and is an integrated unit that handles power distribution, compatible with the TV's 4K UHD panel. When replacing, look for the exact board model number or ensure it's listed as compatible for the 49UB820T/TH, often sold as "used but good condition" or "tested ok" by sellers. Key Details: TV Model: LG 49UB820T / 49UB820T-TH. Board Type: SMPS (Switch Mode Power Supply) for 4K UHD. Part Numbers: Look for identifiers like EAY63250101 (or variations for the specific model). Compatibility: Sold by various online retailers (Amazon, eBay, specialized spares sites) as compatible or original parts. Condition: Available as new (generic/compatible) or pre-owned (original).