Roborock Qrevo Curv P20 Main Motherboard 9.01.3509 VIVIAN_MAIN_B.3
- Original Roborock main motherboard for Qrevo Curv and P20 robot vacuum systems. Supports power management, motor control, and communication functions for stable performance, reliable operation, and precise device integration.

The Roborock main motherboard is an original replacement part designed for selected robot vacuum models, including Roborock Qrevo Curv and P20. This control board is a core electronic component responsible for coordinating essential device operations, making it suitable for professional repair, maintenance, and restoration of full system functionality. Built as a dedicated main board with the VIVIAN_MAIN_B. 3 marking and catalog number 9.01.3509, it integrates critical control pathways for the vacuum cleaner’s internal systems.
The board is engineered to manage power distribution, motor control, and communication between key modules. Its compact PCB construction includes multiple connectors and integrated electronic components that support accurate signal transmission, stable power handling, and dependable interaction with compatible hardware assemblies. In practical use, this motherboard acts as the central command unit of the robot vacuum. It helps regulate operational processes, supports coordinated motor performance, and ensures communication across the device’s subsystems.

As an original Roborock spare part, it offers compatibility and fit aligned with factory specifications, which is especially important when replacing a damaged or malfunctioning board in a high-precision cleaning robot. Choosing this original motherboard helps restore reliable performance and extends the service life of the device. It is an effective solution for technicians, service centers, and users seeking a genuine replacement component that matches the required technical standard for Roborock Qrevo Curv systems.








