A27 Plus Series User Manual - 22 -
5.2.3 Receiving Card Maintenance
To replace the receiving card, the HUB board must be removed first. On the back of the
HUB board, the fixing screw of receiving card must be removed, and the receiving card
can be removed from the HUB board.
5.2.4 Maintenance in front of Power Supply
When maintaining the power supply, the HUB board must be removed, the black
insulating film must be torn off, and then the power supply fixing screws must be
removed with a Phillips screwdriver. The power supply can be removed from the back of
the HUB board.