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Toshiba Personal Computer
Satellite U400, Satellite Pro U400 and Portégé M800
Maintenance Manual
PPM80A, PSU40A
Satellite U400/Satellite Pro U400/PORTEGE M800 Maintenance Manual 1
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TOSHIBA CORPORATION Copyright © 2003 by Toshiba Corporation. All rights reserved. Under the copyright laws, this manual cannot be reproduced in any form without the prior written permission of Toshiba. No patent liability is assumed with respect to the use of the information contained herein. Toshiba Personal Computer Satellite U400 and Satellite Pro U400 and PORTEGE M800 Series Maintenance Manual First edition Feb 2008 Disclaimer The information presented in this manual has been
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Preface This maintenance manual describes how to perform hardware service maintenance for the Toshiba Personal Computer Satellite U400 and Satellite Pro U400 Series. The procedures described in this manual are intended to help service technicians isolate faulty Field Replaceable Units (FRUs) and replace them in the field. SAFETY PRECAUTIONS Four types of messages are used in this manual to bring important information to your attention. Each of these messages will be italicized and identi
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The manual is divided into the following parts: Chapter 1 Hardware Overview describes the Satellite U400 and Satellite Pro U400 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:
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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 Some operations require you to simultaneo
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Table of Contents Chapter 1 Hardware Overview 1.1 Features..........................................................................................................................1 1.2 System Block Diagram ..................................................................................................6 1.3 2.5-inch Hard Disk Drive.............................................................................................11 1.4 Optical Drive...............................................
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Procedure 2 Debugging Port Check............................................................ 1 Procedure 3 Diagnostic Test Program Execution Check ............................ 21 Procedure 4 Replacement Check ................................................................ 21 2.5 USB FDD Troubleshooting ........................................................................................ 22 Procedure 1 FDD Head Cleaning Check .................................................... 22
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2.9 Display Troubleshooting..............................................................................................35 Procedure 1 External Monitor Check...........................................................35 Procedure 2 Diagnostic Test Program Execution Check .............................35 Procedure 3 Connector and Cable Check ....................................................36 Procedure 4 Replacement Check .................................................................
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3.4 System Test.............................................................................................................. 3-11 3.5 Memory Test............................................................................................................ 3-13 3.6 Keyboard Test.......................................................................................................... 3-16 3.7 Display Test ...........................................................................................
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Assembly Procedure ............................................................................................ 4-5 Tools and Equipment ........................................................................................... 4-5 Screw Tightening Torque .................................................................................... 4-6 Grip Color ............................................................................................................ 4-6 Screw Notation ............
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Appendices Appendix A Handling the LCD Module ........................................................................... A-1 Appendix B Board Layout ................................................................................................ B-1 Appendix C Pin Assignments............................................................................................ C-1 Appendix D Display Codes ...............................................................................................
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Chapter 1 Hardware Overview Satellite U400/Satellite Pro U400/PORTEGE M800 Maintenance Manual 1-1
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Chapter 1 Hardware Overview Chapter 1 Contents 1.1 Features..........................................................................................................................1 1.2 System Block Diagram ..................................................................................................5 1.3 2.5-inch Hard Disk Drive...............................................................................................9 1.4 Optical Drive.............................................
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Hardware Overview Chapter 1 Figures Figure 1-1 Front of the computer.........................................................................................4 Figure 1-2 System block diagram........................................................................................5 Figure 1-3 2.5-inch HDD.....................................................................................................9 Figure 1-4 DVD-ROM & CD-R/RW drive.......................................................
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Chapter 1 Hardware Overview 1-2 Satellite U400/Satellite Pro U400/PORTEGE M800 Maintenance Manual
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Chapter 1 Hardware Overview 1.1 Features The Satellite U400/PROTEGE M800 (Intel Platform) series are 2 spindle PCs running Intel® Celeron® Processor 540 or higher. Intel® Core™ 2 Duo Processor (800MHz) T8100 or higher. Intel® Core™ 2 Duo Processor (667MHz) T5450 or higher. The features are listed below. θ Microprocessor Microprocessor that is used will be different by the model. It supports processors as follows Intel® Core™ 2 Duo
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Chapter 1 Hardware Overview θ VRAM Shared with System RAM for Intel GL960/GM965 θ HDD 80GB, 120GB, 160GB, 200GB, 250GB, 320GB internal drives. 2.5 inch x 9.5mm height. θ USB FDD (Option) Toshiba external USB FDD for option θ Display LCD (CCFL) 13.3-inch, 1,280 (H) x 800 (V) WXGA 262,144 colors + CCFL, High-brightness, CSV, amorphous silicon TFT color display. LCD (LED) 13.3-inch, 1,28
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Chapter 1 Hardware Overview θ Battery The RTC battery is equipped inside the computer. It is good with no external power source for 1month on average. The main battery is a detachable lithium ion battery. 6 cell Li-Ion 3700mAh/4800mAh 9 cell Li-Ion 7200mAh θ USB (Universal Serial Bus) 3 USB ports are provided. The ports comply with the USB2.0 standard, which enables data transfer speeds 40 times faster than USB1.1 standard. USB1.1 is also supported. θ Sound system Int
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Chapter 1 Hardware Overview 3D Accelerometer for HDD Figure 1-1 Front of the computer 4 Satellite U400/Satellite Pro U400/PORTEGE M800 Maintenance Manual
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Chapter 1 Hardware Overview 1.2 System Block Diagram Figure 1-2 shows the system block diagram. Figure 1-2 System block diagram for Intel Platform Satellite U400/Satellite Pro U400/PORTEGE M800 Maintenance Manual 5
