BN94-18351W (BN9418351W) Samsung Main Board for QN77S90DAFXZA

Product Description

BN94-18351W (BN9418351W) Samsung Main Board

• Part Number: BN94-18351W (BN9418351W)
• Board Number(s): BN97-21185J
• Product Type: OLED TV Main Board
• Compatible TV Model(s):

QN77S90DAFXZA

This genuine Samsung main board (BN94-18351W) is the central control unit for your television, managing all essential functions including picture processing, audio output, and input/output connections. If your TV is experiencing issues such as no picture, no sound, failure to power on, or input problems, replacing this main board can restore full functionality to your Samsung QN77S90DAFXZA television.

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Key Features

• Genuine Samsung replacement part ensuring perfect compatibility
• Controls all major TV functions and processing
• Direct replacement for faulty main board
• Restores picture, sound, and connectivity
• Quality tested for reliable performance

Important Notes

• Verify your TV model number and board number before ordering
• Professional installation recommended due to technical complexity
• Disconnect power before beginning any repair work
• Handle circuit boards carefully to avoid static damage
• Test all connections after installation to ensure proper operation