BN44-00747A (BN4400747A) Power Supply Board - Samsung UN75HU8550FXZA UN75HU8500FXZA

The BN44-00747A (BN4400747A) is a Samsung OEM Power Supply Board compatible with UN75HU8550FXZA and UN75HU8500FXZA TVs. This board resolves power-related failures and restores reliable TV operation. Part numbers BN44-00747A and BN4400747A refer to the same board.

Specifications & Board Identifiers

• Part Number: BN44-00747A (BN4400747A)
• PBA / Board Numbers: BN44-00747A
• Compatible Models: UN75HU8550FXZA, UN75HU8500FXZA
• Supported Version: Check white sticker on board to confirm version match
• Product Type: Power Supply Board

Common TV Symptoms Fixed

• No Picture / Black Screen: TV powers on but display remains dark or shuts off within seconds.
• Power Issues: TV won't turn on, shuts off unexpectedly, or standby light blinks repeatedly.
• Audio / Input Failure: Sound cuts out or inputs become unresponsive due to power irregularities.
• Smart Hub / Wi-Fi Errors: Intermittent connectivity or smart features failing caused by unstable power delivery.

Fitment & Ordering Guidelines

• Verify the white sticker part number and PCB number on your original board match this listing before ordering.
• Confirm your TV model suffix and version code match the supported version noted above.
• Basic electronics experience is recommended for installation.
• Looking for other parts for this TV? Search UN75HU8550FXZA compatible parts

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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.