LQIYLQNR TV Power Board L55F8N-MDY BN44-0092A=BN44-00922A, Compatible For Samsung, LCD TV UN55LS003AFXZA, TV Power Board

Basic functions: The main function of the power board is to convert household power (alternating current) into direct current suitable for the internal circuits of the TV to use. Component composition: The power board is usually composed of various electronic components such as transformers, rectifiers, filters, and regulators. Common faults: Common faults of the power board include no power, flashing, and turning off after starting, which may be caused by component aging or damage. Protection function: Many power boards are designed with overload protection, short circuit protection, and overheat protection to prevent damage to the TV and its parts. Circuit design: The circuit design of the power board affects the performance of the TV, including start-up time, stability, and energy consumption.