iv [CONFIDENTIAL] TECRA M4 Maintenance Manual (960-521)
The manual is divided into the following parts:
Chapter 1 Hardware Overview describes the Satellite R10 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:
Handling the LCD module
Board layout
Pin assignment
Keyboard scan/character codes
Key layout
Wiring Diagrams
BIOS Rewrite Procedures
EC/KBC Rewrite Procedures
Reliability