Samsung BN94-16851B Main Board

The Samsung BN94-16851B (BN9416851B) is an OEM replacement QLED TV Main Board compatible with the Samsung QN85QN90AAFXZA. If your Samsung 85" QN90A Neo QLED TV has no power, no picture, or no sound, a failed main board is a common cause — this is the direct OEM-spec replacement.

Specifications & Board Identifiers

• Part Number: BN94-16851B (BN9416851B)
• PBA / Board Numbers: BN97-18210G | BN41-02855A
• Compatible Models: QN85QN90AAFXZA
• Supported Versions: AB02, AA01, AC05 (check sticker on back of TV panel)
• Product Type: QLED TV Main Board

Common TV Symptoms Fixed

• No Picture / Black Screen: TV turns on (backlight works) but no display output
• Power Issues: TV stuck in standby, boot-looping, or won't power on
• Audio / Input Failure: HDMI ports non-functional or no sound output
• Smart Hub / Wi-Fi Errors: TV fails to connect to internet or load Smart TV apps

Fitment & Ordering Guidelines

• Verify the white sticker part number (BN94-16851B) and PCB number (BN97-18210G or BN41-02855A) match your original board before ordering
• Confirm your TV model suffix and version code match AB02, AA01, or AC05
• Basic electronics experience recommended for installation

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