Toshiba M400 - Portege - Core 2 Duo 1.83 GHz User manual

[CONFIDENTIAL]
1
Toshiba Personal Computer
PORTEGE M400
Maintenance Manual
TOSHIBA CORPORATION
File Number 960-541

ii [CONFIDENTIAL] PORTEGE M400 Maintenance Manual (960-541)
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 PORTEGE M400 Maintenance Manual
First edition January 2006
Disclaimer
This manual has been validated and reviewed for accuracy. The instructions and descriptions
it contains are accurate for the Toshiba PORTEGE M400 at the time of this manual's
production. However, succeeding computers and manuals are subject to change without
notice. Toshiba assumes no liability for damages incurred directly or indirectly from errors,
omissions or discrepancies between the computer and the manual.
Trademarks
IBM is a registered trademark and IBM PC is a trademark of International Business
Machines Corporation.
Intel, Intel SpeedStep, Intel Core and Centrino 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 of Eastman Kodak.
Sonic RecordNow! is a registered trademark of Sonic Solutions.
Bluetooth is a trademark owned by its proprietor and used by TOSHIBA under license.
i.LINK is trademark and registered trademark of Sony Corporation.
InterVideo and WinDVD are registered trademarks of InterVideo Inc.
WinDVD Creator is trademark of InterVideo Inc.
Other trademarks and registered trademarks not listed above may be used in this manual.

PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL] iii
Preface
This maintenance manual describes how to perform hardware service maintenance for the
The procedures described in this manual are intended to help service technicians isolate
(FRUs) and replace them in the field.
Four types of messages are used in this manual to bring important information to your
a
DANGER: “Danger” indicates the existence of a hazard that could result in death or
Toshiba Personal Computer PORTEGE M400, referred to as PORTEGE M400 in this
manual.
faulty Field Replaceable Units
SAFETY PRECAUTIONS
ttention. Each of these messages will be italicized and identified as shown below.
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 servic
pre
with the ISO/DIS 8764-1:1996. If a
ttery, 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.
e providers to ensure the following safety
cautions are adhered to strictly.
Be sure to fasten screws securely with the right screwdriver. Be sure to use the PH
Point size “0” and “1” screwdrivers complying
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 ba

iv [CONFIDENTIAL] PORTEGE M400 Maintenance Manual (960-541)
The manual is divided into the following parts:
Chapter 1 Hardware Overview describes the Satellite R10 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 assignment
Keyboard scan/character codes
Key layout
Wiring Diagrams
BIOS Rewrite Procedures
EC/KBC Rewrite Procedures
Reliability
Maintenance of TOSHIBA RAID

PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL] v
Conventions
This manual uses the following formats to describe, identify, and highlight terms and
ocedures.
sary for clarification acronyms are enclosed in
ition. For example:
ad Only Memory (ROM)
Keys are used in the text to describe many operations. The key top symbol as it appears on
rinted in boldface type.
+ Pause
(Break) means you must hold down Ctrl and at the same time press Pause (Break). If
e used, hold down the first two and at the same time press the third.
ex d to type in is shown in the boldface type below:
Y A: B:
Text generated by the Satellite R10 that appears on its display is presented in the type face
bel
Format complete
System transferred
operating pr
Acronyms
On the first appearance and whenever neces
parentheses following their defin
Re
Keys
the keyboard is p
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
three keys ar
User input
T t that you are instructe
DISKCOP
The display
ow:

vi [CONFIDENTIAL] PORTEGE M400 Maintenance Manual (960-541)
Table of Contents
Chapter 1 Hardware Overview
1.1 Features......................................................................................................................1-1
1.2 2.5-inch Hard Disk Drive.........................................................................................1-11
1.3 Optical Drive............................................................................................................1-14
1.4 Keyboard..................................................................................................................1-20
1.5 TFT Color Display...................................................................................................1-21
1.6 Power Supply...........................................................................................................1-23
1.7 Batteries ...................................................................................................................1-25
1.8 AC Adapter..............................................................................................................1-28
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 3.5” FDD Troubleshooting..............................................................................2-32
2.6 2.5” HDD Troubleshooting......................................................................................2-35
2.7 Keyboard Troubleshooting ......................................................................................2-40
2.8 Display Troubleshooting..........................................................................................2-41
2.9 Touch Pad Troubleshooting.....................................................................................2-43
2.10 Selectable bay(optical drive) Troubleshooting........................................................2-44
2.11 Modem Troubleshooting..........................................................................................2-45
2.12 Bluetooth Troubleshooting ......................................................................................2-46
2.13 LAN Troubleshooting..............................................................................................2-49
2.14 Sound Troubleshooting............................................................................................2-50
2.15 Bridge media Slot Troubleshooting.........................................................................2-51
2.16 Tablet Pen Troubleshooting.....................................................................................2-52

PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL] vii
2.17 Wireless LAN Troubleshooting...............................................................................2-54
...................................................................2-562.18 Fingerprint sensor Troubleshooting......
Chapter 3 Tests and Diagnostics
3.1 The Diagnostic Test..................................................................................................3-1
3.2 Executing the Diagnostic Test..................................................................................3-4
3.3 Check of the RAID configuration.............................................................................3-8
3.4 Setting of the hardware configuration.....................................................................3-16
3.5 Heatrun Test............................................................................................................3-19
3.6 Subtest Names.........................................................................................................3-20
3.7 System Test.............................................................................................................3-22
3.8 Memory Test...........................................................................................................3-24
3.9 Keyboard Test.........................................................................................................3-25
3.10 Display Test............................................................................................................3-26
3.11 Floppy Disk Test.....................................................................................................3-29
3.12 Printer Test..............................................................................................................3-31
3.13 Async Test ..............................................................................................................3-33
3.14 Hard Disk Test........................................................................................................3-34
3.15 Real Timer Test.......................................................................................................3-37
3.16 NDP Test.................................................................................................................3-39
3.17 Expansion Test........................................................................................................3-40
3.18 CD-ROM/DVD-ROM Test ....................................................................................3-42
3.19 Error Code and Error Status Names........................................................................3-43
3.20 Hard Disk Test Detail Status...................................................................................3-46
3.21 Only One Test.........................................................................................................3-48
3.22 Head Cleaning.........................................................................................................3-56
3.23 Log Utilities............................................................................................................3-57
3.24 Running Test...........................................................................................................3-59
3.25 Floppy Disk Drive Utilities.....................................................................................3-60
3.26 System Configuration .............................................................................................3-65
3.27 Wireless LAN Test Program (Intel-made b/g)........................................................3-67
3.28 Wireless LAN Test Program (Intel-made a/b/g).....................................................3-71

viii [CONFIDENTIAL] PORTEGE M400 Maintenance Manual (960-541)
3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program .................................................3-76
3.30 Sound Test Program................................................................................................3-90
P3-963.31 SETU ....................................................................................................................
Chapter 4 Replacement Procedures
4.1 Overview...................................................................................................................4-1
4.2 Battery pack..............................................................................................................4-8
4.3 PC card/Bridge media.............................................................................................4-10
4.4 Touch pen case........................................................................................................4-12
4.5 HDD........................................................................................................................4-13
4.6 Slim select bay module...........................................................................................4-17
4.7 Keyboard.................................................................................................................4-20
4.8 Memory module......................................................................................................4-24
4.9 Bluetooth module....................................................................................................4-27
4.10 Wireless LAN card .................................................................................................4-29
4.11 Touch pad................................................................................................................4-31
4.12 Top cover assembly ................................................................................................4-36
4.13 System board/RTC battery......................................................................................4-42
4.14 Cover latch..............................................................................................................4-45
4.15 Battery lock assembly/Pen holder assembly...........................................................4-46
4.16 Microphone/Front panel..........................................................................................4-47
4.17 Fan...........................................................................................................................4-49
4.18 Heat sink/CPU ........................................................................................................4-51
4.19 MDC .......................................................................................................................4-54
4.20 GPU heat sink.........................................................................................................4-56
4.21 HDD cable ..............................................................................................................4-57
4.22 Sensor board............................................................................................................4-58
4.23 Speaker....................................................................................................................4-59
4.24 Hinge spacer............................................................................................................4-62
4.25 LCD unit/FL inverter..............................................................................................4-63
4.26 Digitizer ..................................................................................................................4-68
4.27 Finger print sensor board (NF board) .....................................................................4-75

PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL] ix
4.28 Switch board (NW board).......................................................................................4-76
4.29 LCD latch assembly................................................................................................4-77
ssembly.......................................................................................................4-78
F-1
EC/KBC Rewrite Procedures....................................................................H-1
Appendix I Reliability....................................................................................................I-1
Appendix J Maintenance of TOSHIBA RAID ............................................................. J-1
4.30 Hinge a
4.31 Fluorescent Lamp....................................................................................................4-80
Appendices
Appendix A Handling the LCD Module .......................................................................A-1
Appendix B Board Layout ............................................................................................ B-1
Appendix C Pin Assignment......................................................................................... C-1
Appendix D Keyboard Scan/Character Codes ..............................................................D-1
Appendix E Key Layout.................................................................................................E-1
Appendix F Wiring Diagrams........................................................................................
BIOS Rewrite Procedures.........................................................................G-1Appendix G
Appendix H

x [CONFIDENTIAL] PORTEGE M400 Maintenance Manual (960-541)

[CONFIDENTIAL]
Chapter 1
Hardware Overview

1 Hardware Overview
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1 Hardware Overview

1 Hardware Overview
PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL] 1-iii
Chapter 1 Contents
1.1 Features......................................................................................................................1-1
1.2 2.5-inch Hard Disk Drive.........................................................................................1-11
1.3 Optical Drive............................................................................................................1-14
1.3.1 DVD-ROM & CD-R/RW Drive ........................................................1-14
1.3.2 DVD Super Multi Drive..................................................................... 1-16
1.3.3 DVD Super Multi Drive (Double-layer)............................................1-18
1.4 Keyboard..................................................................................................................1-20
1.5 TFT Color Display...................................................................................................1-21
1.5.1 LCD Module ......................................................................................1-21
1.5.2 FL Inverter Board............................................................................... 1-22
1.6 Power Supply........................................................................................................... 1-23
1.7 Batteries ...................................................................................................................1-25
1.7.1 Main Battery.......................................................................................1-25
1.7.2 Battery Charging Control...................................................................1-26
1.7.3 RTC Battery .......................................................................................1-27
1.8 AC Adapter..............................................................................................................1-28

1 Hardware Overview
1-iv [CONFIDENTIAL] PORTEGE M400 Maintenance Manual (960-541)
Figures
Figure 1-1 Front of the computer.....................................................................................1-5
Figure 1-2 System units configuration ............................................................................1-6
Figure 1-3 System block diagram....................................................................................1-7
Figure 1-4 2.5-inch HDD...............................................................................................1-11
Figure 1-5 DVD-ROM & CD-R/RW drive...................................................................1-14
Figure 1-6 DVD Super Multi drive ...............................................................................1-16
Figure 1-7 DVD Super Multi drive (Double-layer).......................................................1-18
Figure 1-8 Keyboard......................................................................................................1-20
Figure 1-9 LCD module.................................................................................................1-21
Tables
Table 1-1 2.5-inch HDD Specifications.......................................................................1-11
Table 1-2 DVD-ROM & CD-R/RW drive outline dimensions....................................1-14
Table 1-3 DVD-ROM & CD-R/RW drive specifications............................................1-15
Table 1-4 DVD Super Multi drive outline dimensions................................................1-16
Table 1-5 DVD Super Multi drive specifications ........................................................1-17
Table 1-6 DVD Super Multi drive (Double-layer) outline dimensions .......................1-18
Table 1-7 DVD Super Multi drive (Double-layer) specifications................................1-19
Table 1-8 LCD module specifications (12.1 TFT).......................................................1-21
Table 1-9 FL inverter board specifications ..................................................................1-22
Table 1-10 Power supply output specifications .............................................................1-24
Table 1-11 Battery specifications...................................................................................1-25
Table 1-12 Time required for charges of main battery .................................................. 1-26
Table 1-13 Data preservation time................................................................................. 1-26
Table 1-14 RTC battery charging/data preservation time..............................................1-27
Table 1-15 AC adapter specifications............................................................................1-28

1.1 Features 1 Hardware Overview
PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL] 1-1
1 Features
1.1 Features
The PORTEGE M400 is an ultra thin and lightweight tablet PC realizing cable-less
environment on a table by wireless function with an Intel®CoreTM Duo or Intel®CoreTM Solo
processor realizing high performance.
There some models and options. Refer to the Parts List for the configuration of each model
and options.
Microprocessor
The PORTEGE M400 computer is equipped with an Intel®CoreTM Duo Processor or
Intel®CoreTM Solo Processor. These processors incorporate a math co-processor, a
2MB L2 cache memory.
The PC comes in with one of the following speeds:
•Intel®CoreTM Duo Processor
1.66GHz (Processor Number : T2300)
1.83GHz (Processor Number : T2400)
2.00GHz (Processor Number : T2500)
2.16GHz (Processor Number : T2600)
•Intel®CoreTM Solo Processor
1.66GHz (Processor Number : T1300)
Chipset
Equipped with Intel 945GM as North Bridge, Intel ICH7-M as South Bridge and
Texas Instrument PCI7412ZHK as Card Controller.
VGA Controller
An internal Graphics Controller in North Bridge is used.
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

1 Hardware Overview 1.1 Features
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Selectable Bay
Supports hot-swap with DVD-ROM & CD-R/RW drive, DVD Super Multi drive and
2nd HDD.
USB FDD
A 3.5 inch USB FDD supports 720KB/1.44MB formats.
Display
The display swivels automatically 0/90/180/270 degrees by display driver. LCD and
External monitor can be displayed at the same time.
LCD : Built-in 12.1 inch, 16M colors, XGA (1,024×768dots)/
SXGA+ (1,400×1,050 dots), thin type low temperature poly-silicon TFT color
display.
External monitor : Supported via an RGB connector.
Digitizer
A digitizer is installed at the rear of LCD unit. The supplied tablet pen enables pen
computing.
Tablet pen / Reserve pen
The Tablet pen / Reserve pen can be used as a mouse by touching the display softly
with the pen tip. Tablet button on the side of the pen corresponds to the right click of
the mouse. Erase button on the pen tail can be used as an eraser depending on the
application.
Keyboard
The keyboard has 84(US)/85(UK) keys and supports Windows key and Hot key.
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).

1.1 Features 1 Hardware Overview
PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL] 1-3
USB (Universal Serial Bus)
Three USB ports are usable. 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.
PC card slot
The PC card slot (PCMCIA) accommodates one 5mm Type II card. (Based on PC
Card Standard, supporting CardBus)
Bridge media slot
This supports one SD memory card/ SDIO card/Memory stick (PRO)/xD picture card
slot. Data can be read and written by inserting each media to the slot.
Sound system
The sound system is equipped with the following features:
- Built-in stereo speakers
- Built-in stereo microphone
- Stereo Headphone jack (3.5mm mini headphone jack)
- External microphone jack (3.5mm mini microphone jack)
- Dial volume
- VoIP (Receiving)
Switch/Button
Windows Security tablet button, ESC/Rotation button, Cross Function button,
Presentation button, Toshiba Assist button and Wireless communication switch are
available.
Internal Modem
The internal modem is equipped as a modem daughter card (MDC).
The internal modem provides capability for data and fax communication and supports
ITU-T V.90 standard. For data reception it operates at 56Kbps and for data
transmission it operates at 33.6Kbps. For fax transmission, it operates at 14,4Kbps.
The speed of data transfer and fax depends on analog telephone line condition. It has
an RJ11 modem jack for connecting to a telephone line.
LAN
The computer has built-in support for Ethernet LAN (10 megabits per second,
10BASE-T), Fast Ethernet LAN (100 megabits per second, 100BASE-TX) and
Gigabit Ethernet LAN (1000 megabits per second, 1000BASE-T).

1 Hardware Overview 1.1 Features
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Wireless LAN
Wireless LAN Card can be equipped with PCI Express mini-card slot. Based on
IEEE802.11a/b/g with 2.45GHz/5.0GHz Dual-band antenna.
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.
Bluetooth
The computer is equipped with Bluetooth (V2.0) communications standard that
enables wireless connection between electronic devices such as computers and
printers. It supports wireless communication switch.
Fingerprint sensor
The computer is equipped with a fingerprint sensor and fingerprint authentication
utility. They enable only person who has registered his/her fingerprint to use the
computer.

1.1 Features 1 Hardware Overview
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
PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL] 1-5

1 Hardware Overview 1.1 Features
Figure 1-2 System units configuration
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