Samsung XA067T User Manual page 114

Receiving card
Power off the cabinet where the receiving card is in,
Take off the bad receiving card from the HUB board as shown below
Bring a new receiving card and install it into the HUB board as shown below
Power on the cabinet
Air switch
Power off the cabinet where the bad air switch is in,
Remove the cover for the air switch , take off all the cables on the bad air switch, and then
remove the it from the cabinet as shown below
Bring a new air switch and install it into the cabinet, install all the cables into the new air
switch, and then install the cover back on the cabinet as shown below
Power on the cabinet
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