Samsung BN44-01108A (BN4401108A) Power Supply Board - QN85Q70AAFXZA

The Samsung BN44-01108A (BN4401108A) is an OEM Power Supply Board compatible with the Samsung 85" QLED QN85Q70AAFXZA. This board resolves power failures, no-picture symptoms, and shutdown issues. Board numbers L85E8N_ASM, BN44-01108A, and ST85P421D1/WVD. Replaces part numbers BN44-01108A and BN4401108A.

Specifications & Board Identifiers

• Part Number: BN44-01108A (BN4401108A)
• PBA / Board Numbers: L85E8N_ASM | ST85P421D1/WVD | BN44-01108A
• Compatible Models: QN85Q70AAFXZA
• Supported Version: 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 BN44-01108A or BN4401108A 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 QN85Q70AAFXZA compatible parts

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