Samsung BN44-01105A (BN4401105A) Power Supply Board - QN55Q70AAFXZA

The Samsung BN44-01105A (BN4401105A) is an OEM Power Supply Board compatible with the Samsung 55" QLED QN55Q70AAFXZA. This board resolves power failures, no-picture symptoms, and shutdown issues. Board numbers BN44-01105A and L55E8_ADY. Replaces part numbers BN44-01105A and BN4401105A.

Specifications & Board Identifiers

• Part Number: BN44-01105A (BN4401105A)
• PBA / Board Numbers: L55E8_ADY | BN44-01105A
• Compatible Models: QN55Q70AAFXZA
• Supported Version: AA02, CA01 — 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 BN44-01105A or BN4401105A 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 QN55Q70AAFXZA compatible parts

Contact Me

ASK A QUESTION

Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.

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