Samsung XA067T User Manual page 107

Receiving card
Power off the cabinet where the receiving card is in.
Remove the modules from front by front service tool as the modules service steps as
shown "Module replacement"
Remove the HUB board from front by screwdriver as HUB board service steps as shown
"HUB board replacement"
Remove the bad receiving card as shown below.
Bring a new receiving card and install it into the HUB board as shown below
Install back the HUB board from front by screwdriver as HUB board service steps as
shown "HUB board replacement"
Install back the modules from front by front service tool as the modules service steps as
shown "Module replacement"
Turn on the cabinet.
Open/Close Air switch
Remove the modules from front by front service tool as the modules service steps as
shown "Module replacement"
Open/Close Air switch as shown below
Install back the modules from front by front service tool as the modules service steps as
shown "Module replacement"
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