Replacement Of Motherboard In Computer Unit Dsqc639 - ABB IRC5 Product Manual

4 Repair activities, controller IRC5

4.9. Replacement of motherboard in computer unit DSQC639

4.9. Replacement of motherboard in computer unit DSQC639
Location
The motherboard is located as shown in the figure below.
xx0600002912
A
Required equipment
Equipment
Computer unit
Standard toolkit
Other tools and procedures may be required.
See references to these procedures in the
step-by-step instructions below.
Circuit diagram
Removal
The procedure below details how to remove the motherboard in the computer unit.
204
Action
1.
DANGER!
Before commencing 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 30.
Motherboard
Note
DSQC 639
See Computer unit DSQC 639 parts on page
305.
The contents are defined in section Standard
toolkit.
These procedures include references to the
tools required.
See Circuit Diagram on page 319
Note/Illustration
Continues on next page
3HAC021313-001 Revision: P