Samsung Television QN55Q80BAFXZC Parts

This is the TV main PCB—the central circuit board that controls video, audio, input switching and system functions—replacing a failed board to restore normal operation and system control. What it does

• Processes video and audio signals and manages HDMI/USB inputs.
• Provides system power-up, firmware/OS boot and on-screen menus.
• Can resolve no-picture, distorted image, no-sound, or intermittent power/boot failures when board is defective.
• May clear board-related error codes or display issues caused by failed components on the main board.

• 1 main PCB (main board assembly)

• Disconnect power and any external cables before starting; risk of shock if live.
• Handle the board by edges and avoid touching components; observe electrostatic discharge (ESD) precautions.
• Requires removal of the TV back panel and careful reconnection of all ribbon cables and connectors.

Fixes appliances that won't turn on or have intermittent power due to a frayed or damaged cord. Direct-fit replacement restores safe power delivery.