4 Repair activities, controller IRC5
4.12. Replacement of motherboard in computer unit DSQC639
2353HAC021313-001 Revision: K
© Copyright 2004-2008 ABB. All rights reserved.
4.12. Replacement of motherboard in computer unit DSQC639
Location
The motherboard is located as shown in the figure below.
xx0600002912
Required equipment
A Motherboard
Equipment Note
Computer unit DSQC 639
See Computer unit DSQC 639 parts on page
325.
Standard toolkit The contents are defined in section Standard
toolkit.
Other tools and procedures may be required.
See references to these procedures in the
step-by-step instructions below.
These procedures include references to the
tools required.
Circuit diagram See Circuit Diagram on page 341
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