KLCOB V2 Series User Manual - 21 -
❶Confirm the location
of the faulty module
and place the front
maintenance tool in the
middle of the faulty
module
❷Pull up the handle of
the maintenance tool,
gently pull the
maintenance tool
outward, and take out the
module
❸ Install the spare
module on the screen.
5.2.2 HUB/Receiving card /Power maintenance
Use the maintenance tool to remove the module on the faulty panel, and then use a
screwdriver to remove the screw fixing the HUB board for replacement
❶After removing the module with the
maintenance tool, remove the current
equalizing wire on the HUB board
❷Use a PH2 Phillips screwdriver to
remove the screws fixing the HUB
board and replace the faulty HUB
board
Receiving card maintenance
Remove the HUB board, the receiving
card is on the back of the HUB board,
remove the screws of the receiving
card for maintenance
❶After removing the module with the
maintenance tool, remove the current
equalizing wire on the power supply