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System Control: The TV mainboard is equipped with a central processing unit (CPU) that coordinates hardware modules such as the screen, backlight, and interfaces to enable operations like powering on, switching signal sources, and adjusting settings. Command Execution: The mainboard receives and processes commands from the remote control or physical buttons, enabling interactive functions such as menu navigation and system configuration. Power Distribution & Monitoring: The mainboard works in conjunction with the power supply board to distribute electricity to various components while monitoring voltage and current stability. Energy-Saving Control: The TV mainboard intelligently adjusts power consumption based on usage, enabling energy-efficient operation. Compatible For iMac,A1419 A2115 5K LCD Controller With DP Type-c Driver Board DIY Monitor kit For LM270QQ1 LM270QQ2 Screen Test Mainboard