There are four screw at the corner
First of all , release the screw and move off the conrner
Second one
The third one
The last one
There has a cable connect to the transmit corner
This side and this side
Take off the PC cable
This is the connector
And then release
This side and this side
This side ,you shoule need to use the screw driver
Anout 2 inch to push the PCB
There has pc cable here ,Then we release the cable
Take out the PCB
2 inch
Release the cable and take out the PCB
Insert back the right side PCB(white LED )
Black LED at the left side
5 PIN £¬ 4PIN (8 pin here but we only use 4 of them)
Black LED at the top frame
White LED at the buttom frame
if the corner can not insert back ,pls try to adjust the PCB by some tooling first .