Samsung BN44-00979A (BN4400979A) LED Driver Board - QN75Q80RAFXZA QN82Q70RAFXZA

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The Samsung BN44-00979A (BN4400979A) is an OEM LED Driver Board compatible with Samsung QLED TVs including the QN75Q80RAFXZA and QN82Q70RAFXZA. This board resolves common LED backl ighting failures, dimming issues, and no-picture symptoms. Board number L75S8NC_RDY. Replaces part numbers BN44-00979A and BN4400979A. Specifications & Board Identifiers Part Number: BN44-00979A (BN4400979A) PBA / Board Numbers: L75S8NC_RDY Compatible Models: QN75Q80RAFXZA, QN82Q70RAFXZA Supported Version: Check white sticker on your board to confirm version match Product Type: LED Driver Board Common TV Symptoms Fixed No Picture / Black Screen: TV powers on but display stays dark or backlight fails to illuminate. Dim or Flickering Backlight: Uneven brightness, flickering, or partial backlight zones not working. Power Issues: TV shuts off unexpectedly or fails to maintain stable power to the display panel. Audio / Input Failure: TV has sound but no image, or inputs are unresponsive due to driver board failure. Fitment & Ordering Guidelines Verify the white sticker part number on your existing board matches BN44-00979A or BN4400979A before ordering. Confirm your TV model suffix and version code match — check the label on the back of your TV. Basic electronics experience is recommended for installation. Looking for other parts for this TV? Search QN75Q80RAFXZA compatible parts Contact Me ASK A QUESTION Show more