Change LED module
1.Tear down the angle-pressing block from any corner of the machine
2.Tear down the aluminum bar
3. Take away the front cover
4. Take off the module by the magnetic tool
1.Change the sending card and power supply Use the cross-type screwdriver to loosen the screw of the power box cover
2. Pull up the cables of the receiving card(remember the position and order of the cables
1. Power cable 2.output internet cable 3. WIFI cable 4. Synchronous/asynchronous switcher cable 5. indicator
3.the screw and take off the old sending card, change the new sending card 2.output internet cable 3. WIFI cable 4. Synchronous/asynchronous switcher cable 5. indicator
3.the screw and take off the old sending card, change the new sending card
4.Tear down the AC line and DC line of the power supply
5. Use M3 socket wrench to tear off the screw of the power supply and change the new power supply
Change receiving card
1.Tear down the back cover with same position the disabled receiving card
2. Change the new receiving card and put back the led module
Change HUB
1.Tear down the back cover with the same position of the disabled HUB
2.Tear down internet cable, power cable, tear down the 8pcs screws on the HUB and change the new one
