Product Description

BN44-01197A Samsung Power Supply Board (BN4401197A)

• Part Number: BN44-01197A (BN4401197A)
• Board Number(s): L77QA9N_CHS
• Product Type: OLED TV Power Supply Board
• Compatible TV Model(s):  QN77S90CDFXZA

The BN44-01197A Power Supply Board is a critical component for Samsung's 77-inch S90C OLED television. This board converts AC power from your wall outlet into the various DC voltages required to operate your TV's display panel, backlighting, and internal circuits. If your Samsung TV is experiencing no power, power cycling issues, intermittent shutdowns, or failure to turn on, replacing this power supply board can restore your television to full working condition.

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Key Features

• Genuine Samsung OEM replacement part ensuring perfect compatibility
• Provides stable power delivery to all TV components
• Compatible with Samsung's 77-inch S90C OLED 4K television
• Resolves common power-related issues including no power and intermittent shutdowns
• Factory-tested for safety and reliability

Important Notes

• Verify your TV model number and current board number before ordering
• Always disconnect power and wait several minutes before working on power supply boards
• Power supply boards contain high-voltage capacitors that can retain charge even when unplugged
• Professional installation strongly recommended due to electrical safety concerns
• If you're unsure about compatibility or installation, contact us before purchasing