ABB IRC5 Product Manual page 137

4.8. Replacement of DDR SDRAM memory on motherboard in computer unit DSQC639
Refitting
The procedure below details how to refit the DDR SDRAM memory on the motherboard in
the computer unit DSQC639.
3HAC027707-001 Revision: D
Action
5. Gently lift the DDR SDRAM memory straight
up.
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 27
4 Repair activities, controller IRC5
Note/Illustration
xx0600003033
• A: DDR SDRAM memory
NOTE! Always grip the memory around
the edges to avoid damage to the
memory or its components!
NOTE! Immedialety put the memory in
an ESD safe bag or similar!
Note/illustration
26.
Continued
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