Samsung BN94-18381X Main Board

The BN94-18381X (BN9418381X) Samsung Main Board is the central processing unit for Samsung DU8000 series TVs — replacing it can resolve no picture/black screen, power failures, audio/input issues, and Smart Hub or Wi-Fi errors. Compatible with UN55DU8000B and UN75DU8000F. Verify the version code sticker on your board before ordering.

Specifications & Board Identifiers

• Part Number: BN94-18381X (BN9418381X)
• PBA / Board Numbers: BN41-03114A | BN97-21235M
• Compatible Models: UN55DU8000B | UN75DU8000F
• Supported Version: Check white sticker on your board to confirm version match
• Product Type: Samsung LED TV Main Board

Common TV Symptoms Fixed

• No Picture / Black Screen: TV powers on but display remains dark or shows no image
• Power Issues: TV won't turn on, shuts off unexpectedly, or cycles on and off
• Audio / Input Failure: No sound output, HDMI inputs not recognized, remote unresponsive
• Smart Hub / Wi-Fi Errors: Apps crash, Wi-Fi won't connect, Smart Hub fails to load

Fitment & Ordering Guidelines

• Verify the white sticker part number and PCB number match your original board exactly
• Confirm your TV model suffix and version code match before ordering
• Basic electronics experience recommended for installation

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