SAMSUNG BN44-00686A (BN4400686A) Power Supply Board - PN43F4500BFXZA PN43F4550BFXZA

The Samsung BN44-00686A (BN4400686A) is a genuine replacement Power Supply Board compatible with Samsung plasma TVs including the PN43F4500BFXZA and PN43F4550BFXZA. Also identified by board number P43HFEDY, this part resolves common power-related failures such as no picture, no power, and audio or input issues.

Specifications & Board Identifiers

• Part Number: BN44-00686A (BN4400686A)
• PBA / Board Numbers: P43HFEDY
• Compatible Models: PN43F4500BFXZA, PN43F4550BFXZA
• Supported Version: TD02 — 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 remains dark or blank.
• Power Issues: TV fails to turn on, shuts off unexpectedly, or cycles on and off.
• Audio / Input Failure: Loss of sound or inability to switch inputs after power-related failure.
• Smart Hub / Wi-Fi Errors: System instability or failure to load apps due to power irregularities.

Fitment & Ordering Guidelines

• Verify the white sticker part number and PCB number on your original board match BN44-00686A and P43HFEDY.
• Confirm your TV model suffix and version code (TD02) match your original board's sticker.
• Basic electronics experience is recommended for installation.
• Looking for other parts for this TV? Search PN43F4500BFXZA compatible parts

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