The is a popular "three-in-one" smart Android TV motherboard often found in 32-inch and 43-inch LED TVs from brands like JVC, Polaroid, and Atvio. If your TV is stuck on the logo, won't respond to commands, or needs a resolution change, downloading and installing the correct firmware is the standard fix. Key Specifications
| Error Message | Likely Cause | Solution | |---------------|---------------|----------| | “No compatible HMI found” | USB driver not installed | Reinstall driver from C:\PB801\Drivers . Use an older USB 2.0 port. | | “Project file version mismatch” | You saved the project in a newer PB801 version | Export the project as .p801 legacy format or update HMI firmware. | | “Download failed at 65%” | Corrupted USB cable or power fluctuation | Replace cable; power HMI via 24V external supply, not just USB. | | “PB801 has stopped working” | .NET Framework missing | Enable .NET 3.5 in Windows Features. | | “Cannot open COM port” | Another program (e.g., PLC software) holds the port | Close all other automation software (Step 7, GX Works, etc.). | Tp.mt5510i.pb801 Software Download