The Hanshin Electronics MCS-100P-231V1.0A is a genuine replacement front Printed Circuit Board (PCB) designed specifically for Hanshin marine clock systems. This essential component serves as the main user interface and control board, featuring multiple connectors (J1, J2, J3) for system integration. The board is populated with high-quality electronic components, including arrays of resistors, transistors, and a distinctive red 104/630V film capacitor, ensuring stable performance in demanding marine environments. The reverse side is equipped with toggle switches and push buttons (SW1-SW5) for manual control and configuration, making it a critical part for maintaining the full functionality of your vessel’s timekeeping system.