LG 43UM7290PTE LED TV POWER SUPPLY BOARD
Description
LG LED TV POWER SUPPLY BOARD
MODEL NUMBER
43UM7290PTE
The LG TV model 43UM7290PTE uses a power supply board with the common part number LG43D-17F1.
Power Supply Board Details
Part Type: Power Supply Unit (PSU), also known as an SMPS (Switched-Mode Power Supply), Power Board, or Power Circuit Board.
Compatible Model Numbers: This board is compatible with LG LED TV model 43UM7290PTE and other similar 43-inch LG models.
Function: The primary function of the board is to convert incoming AC power (typically 100-240V) from the wall outlet into the various stable DC voltages required to operate the television's internal components, such as the main board and the LED backlights.
Components: The board features essential components like a rectifier bridge, filter capacitors, switching regulators, and transformers to ensure regulated power delivery.
Typical Power Consumption: A 43-inch LG TV typically consumes between 70 to 100 watts during operation, depending on settings.
Maintenance and Replacement Guidance
Installation: For best results and safety, installation or replacement should be performed by a professional technician. Ensure the TV is unplugged before handling internal components.
Purchasing: When buying a replacement, verify the exact model number (43UM7290PTE) to ensure compatibility. You can find original, tested, and verified boards from specialized






