Hi5 controllermaintenanceHi5 Controller Maintenance Manual4. Basic Components of Controller4.3. The Function of Each Component4.3.2. Mainboard(BD510)On this page4.3.2. Mainboard(BD510)4.3.2. Mainboard(BD510) 4.3.2.1. Outline4.3.2.2. Connector4.3.2.3. Display Devices4.3.2.4. Setting Unit