Method of replacing CPU, mainboard, interface board, mainboard adapter board and USB power board on UP300

Tools: 3mm hex wrench, cross screwdriver, anti-static gloves

1. Loosen the 4 screws on the rear panel with a 3mm hex wrench and remove the rear panel;

2. Find the PCB board that needs to be replaced, pull out the wire in the board, and then loosen the screw for replacement.