Toshiba Satellite/Satellite PRO T230D SERIES 用户手册

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Satellite/Satellite PRO T230D SERIES MAINTENANCE MANUAL 
The manual is divided into the following parts:  
Chapter 1 
Hardware Overview describes the STREAMLINE-M 10A SERIES 
MAINTENANCE MANUAL 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 
 
Conventions 
This manual uses the following formats to describe, identify, and highlight terms and operating 
procedures. 
Acronyms 
On the first appearance and whenever necessary for clarification, acronyms are enclosed in 
parentheses following their definition. For example: 
 
Read Only Memory (ROM) 
Keys 
Keys are used in the text to describe many operations. The key top symbol as it appears on the 
keyboard is printed in boldface type. 
Key operation