Samsung BN44-01114B (BN4401114B) Power Supply Board - QN55QN90AAFXZA

The Samsung BN44-01114B (BN4401114B) is an OEM Power Supply Board compatible with the Samsung 55" QLED TV QN55QN90AAFXZA. This board resolves power failures, no-picture symptoms, and shutdown issues. Board numbers L55SA9NA_APN and BN4401114B. Replaces part numbers BN44-01114B and BN4401114B.

Specifications & Board Identifiers

• Part Number: BN44-01114B (BN4401114B)
• PBA / Board Numbers: L55SA9NA_APN | BN4401114B
• Compatible Models: QN55QN90AAFXZA
• Supported Version: AA01 — check white sticker on your board to confirm version match
• Product Type: Power Supply Board

Common TV Symptoms Fixed

• No Picture / Black Screen: TV powers on but display stays dark due to power supply failure.
• Power Issues: TV shuts off unexpectedly, won't turn on, or cycles on and off repeatedly.
• Audio / Input Failure: TV has sound but no image, or inputs fail to respond due to inadequate power delivery.
• Smart Hub / Wi-Fi Errors: Smart features become unstable or unresponsive due to power irregularities.

Fitment & Ordering Guidelines

• Verify the white sticker part number on your existing board matches BN44-01114B or BN4401114B 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 QN55QN90AAFXZA compatible parts

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