Service manual
990-1008, Revision 1, 4/99 38
7.14 Removing the LED- Board
1.
Switch off the Smart-UPS DP (7.1).
2.
Remove the cover (7.2).
3.
Remove the external DC-Supply (7.3).
4.
Open the Smart-UPS DP (7.4).
5.
Remove the internal DC-supply (7.5).
6.
Remove the screw from the board.
7.
Loosen the board from the board holder.
8.
Tilt the board slightly and remove the ribbon cable connector.
The board now is free.










