The VIZIO Y8389648S is a central board assembly designed for specific VIZIO television models. This part is essential for ensuring the proper function of your television’s control system. Compatible with various VIZIO television models. Replacement for malfunctioning or damaged central board assemblies. Easy to install with basic tools. This main central board assembly is crucial for the operation of your VIZIO television, providing control and connectivity features. Weight : 1.0 lbs. Type : Central Board Assembly. Version : V1.20.18.