iv Satellite A40 Maintenance Manual (960-458)
The manual is divided into the following parts:
Chapter 1 Hardware Overview describes the Satellite A40 system unit and each FRU.
Chapter 2 Troubleshooting Procedures explains how to diagnose and resolve FRU
problems.
Chapter 3 Test and Diagnostics describes how to perform test and diagnostic
operations for maintenance service.
Chapter 4 Replacement Procedures describes the removal and replacement of the
FRUs.
Appendices The appendices describe the following:
q Handling the LCD module
q Board layout
q Pin assignments
q Keyboard scan/character codes
q Key layout
q Wiring diagrams
q BIOS Rewrite Procedures
q Reliability
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