iv [CONFIDENTIAL] Satellite M40X Maintenance Manual
The manual is divided into the following parts:
Chapter 1 Hardware Overview describes the M40X Series 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 assignments
? Keyboard scan/character codes
? Key layout
? Screw torque list
? Reliability