ABB IRC5 Product Manual page 233

Removal
The procedure below details how to remove the motherboard and related components.
3HAC021313-001 Revision: K
4.11. Replacement of motherboard in computer unit DSQC623
Action
1.
DANGER!
Before any work inside the cabinet, please
observe the safety information in section
DANGER - Make sure that the main power
has been switched off! on page
2.
esd
WARNING!
The unit is sensitive to ESD, before
handling the unit please observe the safety
information in section WARNING - The unit
is sensitive to ESD! on page 29
3. Remove the Computer Module.
4. Remove the two attachment screws, and
open the Computer Module by pulling the
cover in the arrow direction.
5. Remove the hard disk, flash disk drive bay. Detailed in section
6. Remove any PCI cards fitted to the moth-
erboard.
4 Repair activities, controller IRC5
Note/Illustration
28.
Detailed in section
computer unit DSQC623 on page
XX0400000873
• A: attachment screw (2 pcs)
disk or IDE Flash module and cable in
computer unit DSQC623 on page
Detailed in section
cards in the computer unit DSQC623 on
page 245.
Continued
Replacement of
222.
Replacement of hard
268.
Replacement of PCI
Continues on next page
231