BN44-00932K (BN4400932K) Power Supply Board - Samsung UN55RU8000FXZA UN55RU8000FXZC UN55RU800DFXZA

The BN44-00932K (BN4400932K) is a Samsung OEM power supply board compatible with select 55" Samsung LED TVs including the UN55RU8000FXZA, UN55RU8000FXZC, UN55RU800DFXZA, and ST55F171C3. Board number ST55F171C3/WVD. Resolves power-related failures including no power, standby issues, and backlight faults.

Specifications & Board Identifiers

• Part Number: BN44-00932K (BN4400932K)
• PBA / Board Numbers: ST55F171C3/WVD | BN44-00932K
• Compatible Models: UN55RU8000FXZA, UN55RU8000FXZC, UN55RU800DFXZA, ST55F171C3
• Product Type: Power Supply Board

Common TV Symptoms Fixed

• No Picture / Black Screen: TV appears completely dead or backlight fails to illuminate despite audio being present.
• Power Issues: TV won't turn on, shuts off immediately, or is stuck in standby/blinking red light mode.
• Audio / Input Failure: TV powers on but no image or intermittent shutdowns under load.
• Smart Hub / Wi-Fi Errors: Erratic behavior or resets caused by unstable power delivery to the main board.

Fitment & Ordering Guidelines

• Verify the white sticker part number and PCB number on your original board match BN44-00932K and board number ST55F171C3/WVD.
• Confirm your TV model suffix matches one of the compatible models listed above.
• Basic electronics experience recommended for installation.
• Looking for other parts for this TV? Search UN55RU8000FXZA compatible parts

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