Toshiba portege r400 Service Manual
iv
[CONFIDENTIAL]
PORTÉGÉ R400 Maintenance Manual (960-623)
The manual is divided into the following parts:
Chapter 1
Hardware Overview describes the T PORTÉGÉ R400. system unit and
each FRU.
each FRU.
Chapter 2
Troubleshooting Procedures explains how to diagnose and resolve
FRU problems.
FRU problems.
Chapter 3
Test and Diagnostics describes how to perform test and diagnostic
operations for maintenance service.
operations for maintenance service.
Chapter 4
Replacement Procedures describes the removal and replacement of the
FRUs.
FRUs.
Appendices
The appendices describe the following:
Handling the LCD module
Board layout
Pin assignments
Keyboard scan/character codes
Key layout
Wiring diagrams
BIOS rewrite procedures
EC/KBC rewrite procedures
Reliability
Board layout
Pin assignments
Keyboard scan/character codes
Key layout
Wiring diagrams
BIOS rewrite procedures
EC/KBC rewrite procedures
Reliability