Service and maintenance
11.8 Removing and installing hardware components
SIMATIC HMI IPC677C
144
Operating Instructions, 04/2013, A5E02722710-04
How to remove the motherboard
3
Remove the power supply cover.
5
Remove the power supply.
4
Remove the bus board.
6
Disconnect all cables from the motherboard, noting down their positions while doing so.
7
Remove the screws
①
(6 pieces) and then the screws
②
(4 pieces). Remove the processor
heat sink.
8
Remove the hexagon bolts (6 pieces) from the ports.
9
Remove the motherboard.