Toshiba Tecra M3 Series User manual

Toshiba Personal Computer
TECRA M3
Maintenance Manual
TOSHIBA CORPORATION
File Number 960-507

ii TECRA M3Maintenance Manual (960-507)
Copyright
© 2005 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 TECRA M3 Maintenance Manual
First edition January 2005
Disclaimer
The information presented in this manual has been reviewed and validated for accuracy. The
included set of instructions and descriptions are accurate for the TECRA M3 at the time of this
manual's production. However, succeeding computers and manuals are subject to change without
notice. Therefore, Toshiba assumes no liability for damages incurred directly or indirectly from
errors, omissions, or discrepancies between any succeeding product and this manual.
Trademarks
Intel SpeedStep and Penteium are trademarks or registered trademarks of Intel Corporation or its
subsidiaries in the United States and other countries/regions.
Windows and Microsoft are registered trademarks of Microsoft Corporation.
Photo CD is a trademark owned by its proprietor and used by TOSHIBA under license.
Bluetooth is a trademark owned by its proprietor and used by TOSHIBA under license.

TECRA M3Maintenance Manual (960-507) iii
Preface
This maintenance manual describes how to perform hardware service maintenance for the Toshiba
Personal Computer TECRA M3.
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 identified as shown below.
DANGER: “Danger” indicates the existence of a hazard that could result in death or
serious bodily injury, if the safety instruction is not observed.
WARNING: “Warning” indicates the existence of a hazard that could result in bodily
injury, if the safety instruction is not observed.
CAUTION: “Caution” indicates the existence of a hazard that could result in property
damage, if the safety instruction is not observed.
NOTE: “Note” contains general information that relates to your safe maintenance
service.
Improper repair of the computer may result in safety hazards. Toshiba requires service technicians
and authorized dealers or service providers to ensure the following safety precautions are adhered
to strictly.
?Be sure to fasten screws securely with the right screwdriver. If a screw is not fully fastened,
it could come loose, creating a danger of a short circuit, which could cause overheating,
smoke or fire.
?If you replace the battery pack or RTC battery, be sure to use only the same model battery
or an equivalent battery recommended by Toshiba. Installation of the wrong battery can
cause the battery to explode.

iv TECRA M3Maintenance Manual (960-507)
The manual is divided into the following parts:
Chapter 1 Hardware Overview describes the TECRA M3 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
?Wiring diagrams
?BIOS rewrite procedures
?EC/KBC rewrite procedures
?Reliability

TECRA M3Maintenance Manual (960-507) v
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 simultaneously use two or more keys. We identify such operations
by the key top symbols separated by a plus (+) sign. For example, Ctrl + Pause (Break) means
you must hold down Ctrl and at the same time press Pause (Break). If three keys are used, hold
down the first two and at the same time press the third.
User input
Text that you are instructed to type in is shown in the boldface type below:
DISKCOPY A: B:
The display
Text generated by the computer that appears on its display is presented in the type face below:
Format complete
System transferred

vi TECRA M3Maintenance Manual (960-507)
Table of Contents
Chapter 1 Hardware Overview
1.1 Features.......................................................................................................................1-1
1.2 System Unit Block Diagram..........................................................................................1-8
1.3 3.5-inch Floppy Disk Drive (USB External)................................................................1-16
1.4 2.5-inch Hard Disk Drive ...........................................................................................1-17
1.5 CD-ROM Drive ........................................................................................................1-21
1.6 DVD-ROM Drive......................................................................................................1-22
1.7 CD-RW/DVD-ROM Drive .......................................................................................1-24
1.8 DVD±R/±RW Drive..................................................................................................1-26
1.9 DVD±R/±RW/-RAM ( DVD-Super Multi)Drive.......................................................1-27
1.10 Keyboard..................................................................................................................1-29
1.11 TFT Color Display.....................................................................................................1-30
1.12 Power Supply............................................................................................................1-33
1.13 Batteries ....................................................................................................................1-35
Chapter 2 Troubleshooting Procedures
2.1 Troubleshooting ...........................................................................................................2-1
2.2 Troubleshooting Flowchart...........................................................................................2-2
2.3 Power Supply Troubleshooting.....................................................................................2-6
2.4 System Board Troubleshooting...................................................................................2-16
2.5 USB FDD Troubleshooting........................................................................................2-29
2.6 HDD Troubleshooting................................................................................................2-32
2.7 Keyboard and Touch pad Troubleshooting.................................................................2-37
2.8 Display Troubleshooting.............................................................................................2-40
2.9 Optical Drive Troubleshooting....................................................................................2-42
2.10 Modem Troubleshooting ............................................................................................2-44

TECRA M3Maintenance Manual (960-507) vii
2.11 LAN Troubleshooting ................................................................................................2-46
2.12 Bluetooth Troubleshooting..........................................................................................2-47
2.13 Wireless LAN Troubleshooting ..................................................................................2-50
2.14 Sound Troubleshooting...............................................................................................2-53
2.15 SD Card Slot Troubleshooting....................................................................................2-56
2.16 Express Card Slot Troubleshooting.............................................................................2-57
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..............................................................................................................3-11
3.5 Subtest Names...........................................................................................................3-12
3.6 System Test...............................................................................................................3-14
3.7 Memory Test.............................................................................................................3-16
3.8 Keyboard Test...........................................................................................................3-17
3.9 Display Test...............................................................................................................3-18
3.10 Floppy Disk Test .......................................................................................................3-21
3.11 Printer Test................................................................................................................3-23
3.12 Async Test.................................................................................................................3-25
3.13 Hard Disk Test ..........................................................................................................3-26
3.14 Real Timer Test..........................................................................................................3-29
3.15 NDP Test..................................................................................................................3-31
3.16 Expansion Test...........................................................................................................3-32
3.17 CD-ROM/DVD-ROM Test ......................................................................................3-34
3.18 Error Code and Error Status Names...........................................................................3-35
3.19 Hard Disk Test Detail Status ......................................................................................3-38
3.20 ONLY ONE TEST...................................................................................................3-40
3.21 Head Cleaning ...........................................................................................................3-46

viii TECRA M3Maintenance Manual (960-507)
3.22 Log Utilities................................................................................................................3-47
3.23 Running Test..............................................................................................................3-49
3.24 Floppy Disk Drive Utilities..........................................................................................3-50
3.25 System Configuration.................................................................................................3-55
3.26 Wireless LAN Test Program (Intel-made Calexico2 a /g)............................................3-57
3.27 Wireless LAN Test Program (Intel-made Calexico2 b/g) ............................................3-62
3.28 Wireless LAN Test Program (Askey-made Atheros)..................................................3-66
3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program.......................................................3-70
3.30 Sound Test program...................................................................................................3-84
3.31 SETUP......................................................................................................................3-90
Chapter 4 Replacement Procedures
4.1 General........................................................................................................................4-1
4.2 Battery pack................................................................................................................4-8
4.3 PC card / Express card..............................................................................................4-10
4.4 SD card.....................................................................................................................4-11
4.5 HDD .........................................................................................................................4-12
4.6 Slim select bay module ...............................................................................................4-16
4.7 Keyboard..................................................................................................................4-19
4.8 Memory module.........................................................................................................4-25
4.9 Cover / Touch pad.....................................................................................................4-27
4.10 Modem Daughter Card (MDC)..................................................................................4-34
4.11 Wireless LAN board..................................................................................................4-36
4.12 Bluetooth module .......................................................................................................4-38
4.13 Display assembly........................................................................................................4-40
4.14 Sound board..............................................................................................................4-45
4.15 RTC battery / HDD con holder ..................................................................................4-47
4.16 LAN jack..................................................................................................................4-50
4.17 RGB harness holder / RGB board / Modem jack........................................................4-51
4.18 Fan............................................................................................................................4-55

TECRA M3Maintenance Manual (960-507) ix
4.19 Cooling fin / CPU.......................................................................................................4-57
4.20 System board / DC-IN jack.......................................................................................4-61
4.21 Speaker.....................................................................................................................4-62
4.22 Power switch board...................................................................................................4-64
4.23 LCD unit/FL inverter..................................................................................................4-66
4.24 Microphone / Wireless LAN antenna /Bluetooth antenna............................................4-77
4.25 Hinge.........................................................................................................................4-80
4.26 Fluorescent Lamp ......................................................................................................4-85
Appendices
Appendix A Handling the LCD Module .............................................................................. A-1
Appendix B Board Layout...................................................................................................B-1
Appendix C Pin Assignments.............................................................................................. C-1
Appendix D Keyboard Scan/Character Codes.................................................................... D-1
Appendix E Key Layout......................................................................................................E-1
Appendix F Wiring Diagrams ..............................................................................................F-1
Appendix G BIOS rewrite Procedures................................................................................ G-1
Appendix H EC/KBC rewrite Procedures........................................................................... H-1
Appendix I Reliability..........................................................................................................I-1

xTECRA M3Maintenance Manual (960-507)

Chapter 1
Hardware Overview

1 Hardware Overview
1-ii TECRA M3 Maintenance Manual (960-507)

1 Hardware Overview
TECRA M3 Maintenance Manual (960-507) 1-iii
Chapter 1 Contents
1.1 Features ...................................................................................................................... 1-1
1.2 System Unit Block Diagram......................................................................................... 1-8
1.3 3.5-inch Floppy Disk Drive (USB External)................................................................ 1-16
1.4 2.5-inch Hard Disk Drive........................................................................................... 1-17
1.5 CD-ROM Drive ........................................................................................................ 1-21
1.6 DVD-ROM Drive ..................................................................................................... 1-22
1.7 CD-RW/DVD-ROM Drive ....................................................................................... 1-24
1.8 DVD±R/±RW Drive.................................................................................................. 1-26
1.9 DVD±R/±RW/-RAM (DVD-Super Multi) Drive ....................................................... 1-27
1.10 Keyboard.................................................................................................................. 1-29
1.11 TFT Color Display..................................................................................................... 1-30
1.11.1 LCD Module ....................................................................................... 1-30
1.11.2 FL Inverter Board................................................................................ 1-32
1.12 Power Supply............................................................................................................ 1-33
1.13 Batteries.................................................................................................................... 1-35
1.13.1 Main Battery........................................................................................ 1-35
1.13.2 Battery Charging Control...................................................................... 1-36
1.13.3 RTC battery......................................................................................... 1-37

1 Hardware Overview
1-iv TECRA M3 Maintenance Manual (960-507)
Figures
Figure 1-1 Front of the computer ...................................................................................... 1-6
Figure 1-2 System unit configuration.................................................................................. 1-7
Figure 1-3 System unit block diagram................................................................................ 1-8
Figure 1-4 3.5-inch FDD (USB External)........................................................................ 1-16
Figure 1-5 2.5-inch HDD................................................................................................ 1-17
Figure 1-6 CD-ROM drive............................................................................................. 1-21
Figure 1-7 Keyboard...................................................................................................... 1-29
Figure 1-8 LCD module.................................................................................................. 1-30
Tables
Table 1-1 3.5-inch FDD specifications ........................................................................... 1-16
Table 1-2 2.5-inch HDD specifications........................................................................... 1-17
Table 1-3 CD-ROM drive specifications........................................................................ 1-21
Table 1-4 DVD-ROM drive specifications ..................................................................... 1-22
Table 1-5 CD-RW/DVD-ROM drive specifications....................................................... 1-24
Table 1-6 DVD±R/±RW drive specifications ................................................................. 1-26
Table 1-7 DVD Super Multi drive specifications............................................................. 1-27
Table 1-8 LCD module specifications............................................................................. 1-30
Table 1-9 FL inverter board specifications...................................................................... 1-32
Table 1-10 Power supply output rating............................................................................. 1-34
Table 1-11 Battery specifications ..................................................................................... 1-35
Table 1-12 Time required for charges............................................................................... 1-36
Table 1-13 RTC battery charging/data preservation time................................................... 1-37

1.1 Features 1 Hardware Overview
TECRA M3 Maintenance Manual (960-507)1-1
1Features
1.1 Features
The Toshiba TECRA M3Personal Computer uses extensive Large Scale Integration (LSI), and
Complementary Metal-Oxide Semiconductor (CMOS) technology extensively to provide compact
size, minimum weight, low power usage and high reliability. This computer incorporates the
following features.
?Microprocessor
The TECRA M3 computer is equipped with anIntel Dothan Processor. The Intel Dothan
Processor incorporates a math co-processor, a 64KB L1 cache memory and a 2MB L2 cache
memory.
The PC comes in with one of the following speeds:
?1.6BGHz/1.73GHz/1.86GHz/2.0AGHz/2.13GHz (0.748 to 1.356V)
These processors operate at 533MHz bus clock.
?Chipset
The TECRA M3is equipped with Intel Alviso-PM, Intel ICH6-Mand TI PCI7411.
?Graphics Processing Unit
The computer has a NVIDIA MEP43L Graphics Processing Unit (GPU). The internal VRAM
is 64MB or 128MB.
?Memory
The computer comes with two PC3300/PC4300 compatible DDR2 SO-DIMM slots. Two
memory modules of 256GB, 512MB or 1GB(1,024MB) can be installed.
?HDD
The computer has a 2.5-inch HDD. The following capacities are available.
?40/60/80/100 GB

1 Hardware Overview 1.1 Features
1-2TECRA M3 Maintenance Manual (960-507)
?USB FDD
A 3.5-inch USB FDD accommodates 2HD (1.44MB) or 2DD (720KB) disks.
?Slim Select Bay
An Optical drive, 2nd HDD or 2nd Battery can be installed in the Slim Select Bay.
?Optical Drive
A CD-ROM drive, DVD-ROM drive, CD-RW/DVD-ROM drive, DVD±R/±RW drive or
DVD super Multi drive can be installed in the Slim Select Bay.
?Display
The PC comes in with one of the following two types:
?14.1” XGA-TFT color display, resolution 1,024?768
?14.1” SXGA+-TFT color display, resolution 1,400?1,050
Avideo controller and a64/128MB VRAM enablesan external monitor to display 16M colors
at a resolution of 1,024?768 pixels or 1,400?1,050 pixels.
?Keyboard
An-easy-to-use 85(US)/86(UK)-key keyboard provides a numeric keypad overlay for fast
numeric data entry or for cursor and page control. The keyboard also includes two keys that
have special functions in Microsoft?Windows?2000/XP. It supports software that uses a
101-or 102-key enhanced keyboard.
?TOSHIBA Dual Pointing Device
The TOSHIBA Dual Pointing Device consists of Touch Pad and AccuPoint. The touch pad and
control buttons enable control of the on-screen pointer and scrolling of windows. The pointer
control stick and AccuPoint enables convenient control of the cursor.
?Batteries
The computer has two or three batteries: a rechargeable Lithium-Ion main battery pack and
RTC battery (that backs up the Real Time Clock and CMOS memory).
Second battery can be mounted in the slim select bay as an option.

1.1 Features 1 Hardware Overview
TECRA M3 Maintenance Manual (960-507)1-3
?Universal Serial Bus (USB2.0)
Two 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.
?IEEE 1394 port
The computer comes with one IEEE 1394 port. It enables high-speed data transfer directly
from external devices such as digital video cameras.
?Parallel port
The parallel port enables connection of parallel printer or other parallel devices. (ECP
compatible)
?External monitor (RGB) port
The port enables connection of an external monitor, which is recognized automatically by Video
Electronics Standards Association (VESA) Display Data Channel (DDC) 2B compatible
functions.
?PC card and ExpressCard slot
A PC card slot and an ExpressCard slot are provided. The PC card slot (PCMCIA)
accommodates one Type II card and the ExpressCard slot accommodates an ExpressCard.
?SD Card
The SD Card Slot can accommodate Secure Digital flash memory cards with various capacities.
SD cards let you easily transfer data from devices, such as digital cameras and Personal Digital
Assistants, which use SD Card flash-memory.

1 Hardware Overview 1.1 Features
1-4TECRA M3 Maintenance Manual (960-507)
?Docking interface port
The docking interface port enables connection of an optional Advanced Port Replicator III. It
provides additional features as follows:
?RJ-45 LAN jack, RJ-11 Modem jack
?External monitor port
?PS/2 mouse and PS/2 keyboard ports
?Parallel port
?Serial port
?DC IN socket
?Audio line-in, line out jack
?Two USB ports
?IEEE 1394 port
?TV-out (S-Video)
?DVI port
?Infrared port
The infrared port is compatible with Fast InfraRed (FIR) standards enabling cableless 4 Mbps,
1.152 Mbps, 115.2 kbps, 57.6 kbps, 38.4 kbps, 19.2 kbps or 9.6 kbps data transfer with
Infrared Data Association (IrDA) 1.1 compatible external devices.
?Sound system
The sound system is equipped with the following features:
?AC Link (in ICH6-M) and Analog Deveices AD1981B
?AMP: Matsushita AN12491 and MAX4410
?Stereo speakers
?Built-in microphone
?Volume control knob
?Stereo headphone jack
?External microphone jack
?Supports VoIP

1.1 Features 1 Hardware Overview
TECRA M3 Maintenance Manual (960-507)1-5
?Video-out jack
The video jack enables to transfer NTSC or PAL data to external devices connected with S-
Video cable.
?Internal modem
The computer contains a MDC, enabling data and fax communication. It supports ITU-TV.90
(V.92). The transfer rates are 56 Kbps for data reception, 33.6 Kbps for data transmission,
and 14,400 bps for fax transmission. However, the actual speed depends on the line quality.
The RJ11 modem jack is used to accommodate a telephone line. Both of V.90 and V.92 are
supported only in USA, Canada and Australia. Only V.90 is available in other regions.
?Internal LAN
The computer is equipped with LAN circuits that support Ethernet LAN (10 megabits per
second, 10BASE-T), Fast Ethernet LAN (100 megabits per second, 100 BASE-TX) or
Gigabit Ethernet LAN (1000 megabits per second, 1000BASE-T). It also supports Wakeup
on LAN (WOL), Magic Packet and LED.
?Wireless LAN
The computer is equipped with a mini-PCI Type III wireless LAN board that supports 802.11
a/g or 802.11b/g in the Mini PCI card slot. This function can be switched on and off by a switch
on the computer.
?Bluetooth
The computer is equipped with Bluetooth (V1.2) communications standard enable wireless
connection between electronic devices such as computers and printers. It supports kill SW.
?Presentation button
This button switches the display between internal display, external display, simultaneous display
and multi-monitor display.
?Toshiba Console button
When this button is pressed during power-on, the PC is connected to “Toshiba Console”.
When this button is pressed during power-off, the PC is turned on and connected to “Toshiba
Console”.

1 Hardware Overview 1.1 Features
1-6TECRA M3 Maintenance Manual (960-507)
The front of the computer is shown in figure 1-1.
Figure 1-1 Front of the computer