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Toshiba Personal Computer
Satellite R20 / TECRA M7
Maintenance Manual
TOSHIBA CORPORATION
File Number 960-572
[CONFIDENTIAL]
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Copyright © 2006 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 Satellite R20/TECRA M7 Maintenance Manual First edition June 2006 Disclaimer This manual has been validated and reviewed for accuracy. The instructions and descriptions it contains are accurate
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Preface This maintenance manual describes how to perform hardware service maintenance for the Toshiba Personal Computer Satellite R20/TECRA M7, referred to as Satellite R20/TECRA M7 in this manual. 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 messa
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The manual is divided into the following parts: Chapter 1 Hardware Overview describes the Satellite R20/TECRA M7 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
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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 1.2 System block diagram................................................................................................ 1-8 1.3 2.5-inch Hard Disk Drive......................................................................................... 1-14 1.4 Optical Drive............................................
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Chapter 3 Tests and Diagnostics 3.1 The Diagnostic Test ................................................................................................... 3-1 3.2 Executing the Diagnostic Test ................................................................................... 3-4 3.3 Setting of the hardware configuration........................................................................ 3-8 3.4 Heatrun Test...............................................................................
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Chapter 4 Replacement Procedures 4.1 Overview...................................................................................................................4-1 4.2 Battery pack..............................................................................................................4-8 4.3 Reserve pen.............................................................................................................4-10 4.4 Tablet PC pen.....................................................
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4.32 Hinge assembly.......................................................................................................4-79 4.33 Fluorescent Lamp....................................................................................................4-82 Appendices Appendix A Handling the LCD Module ....................................................................... A-1 Appendix B Board Layout ............................................................................................ B-1
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x [CONFIDENTIAL] Satellite R20/TECRA M7 Maintenance Manual (960-572)
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Chapter 1 Hardware Overview [CONFIDENTIAL]
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1 Hardware Overview 1 Hardware Overview 1-ii [CONFIDENTIAL] Satellite R20/TECRA M7 Maintenance Manual (960-572)
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1 Hardware Overview Chapter 1 Contents 1.1 Features...................................................................................................................... 1-1 1.2 System block diagram................................................................................................ 1-8 1.3 2.5-inch Hard Disk Drive......................................................................................... 1-14 1.4 Optical Drive....................................................
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1 Hardware Overview Figures Figure 1-1 Front of the computer..................................................................................... 1-6 Figure 1-2 System units configuration ............................................................................ 1-7 Figure 1-3 System block diagram.................................................................................... 1-8 Figure 1-4 2.5-inch HDD............................................................................
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1.1 Features 1 Hardware Overview 1 Features 1.1 Features The Satellite R20/TECRA M7 is an ultra thin and lightweight tablet PC realizing cable-less ® TM ® environment on a table by wireless function with an Intel Core Duo/Solo or Intel ® Celeron M processor realizing high performance. There some models and options. Refer to the Parts List for the configuration of each model and option. Microprocessor Microprocessor that is used will be different of the model. The PC comes in with one
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1 Hardware Overview 1.1 Features Memory Two DDR2 SO-DIMM slots support DDR2 533 or DDR2 667. Memory modules can be installed to a maximum of 4GB (4,096MB). Memory modules of 256MB, 512MB, 1GB and 2GB sizes are available. HDD The computer has a 2.5-inch SATA HDD. The following capacities are available. • 40/60/80/100/120GB Optical disk drive DVD-ROM drive, DVD-ROM&CD-R/RW drive or DVD Super Multi drive (double layer) can be installed. USB FDD A 3.5 inch USB FDD supports 720KB/1.4
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1.1 Features 1 Hardware Overview Touch pad A touch pad is installed as a pointing device. Batteries The computer has three batteries: a rechargeable Lithium-Ion main battery pack, a rechargeable Lithium-Ion secondary battery pack (Provided with some models or option) and an RTC battery (that backs up the Real Time Clock and CMOS memory). USB (Universal Serial Bus) Four USB ports are usable. The ports comply with the USB2.0 standard, which enables data transfer speeds 40 times faster
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1 Hardware Overview 1.1 Features Switch/Button The following switches and buttons are equipped. Satellite R20/TECRA M7 - Windows-Security button - Escape/Rotation button - Cross Function button - Wireless communication switch - Power on switch Satellite R20 - Internet button - Mail button - CD/DVD button - Play button - Stop button - Rewind button - Fast forward button TECRA M7 - Presentation button - Toshiba Assist button - General 1 button - General 2 button Internal Mo
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1.1 Features 1 Hardware Overview Wireless LAN The computer is equipped with PCI Express Mini Card type wireless LAN card that supports 802.11 b/g or 802.11 a/b/g in the PCI Express MiniCard slot. This function can be switched on and off by a switch on the computer. i.LINK (IEEE1394) This port enables high-speed data transfer directly from external devices such as digital video cameras. Docking port TOSHIBA Express Port Replicator can be connected through docking port on the bottom.
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1 Hardware Overview 1.1 Features Figure 1-1 shows the front of the computer and Figure 1-2 shows the system units configuration. Figure 1-1 Front of the computer 1-6 [CONFIDENTIAL] Satellite R20/TECRA M7 Maintenance Manual (960-572)
