Toshiba Portege M780 User manual

[CONFIDENTIAL]
Toshiba Personal Computer
PORTEGE M780 Maintenance Manual
First edition January 2010
TOSHIBA CORPORATION
File Number 960-809

ii [CONFIDENTIAL] PORTEGE M780 Maintenance Manual (960-809)
Copyright
© 2010 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 A11/S11/P11/Satellite Pro S500 Series Maintenance Manual
First edition January 2010
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 PORTEGE M780 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
IBM is a registered trademark and IBM PC is a trademark of International Business
Machines Corporation.
Intel, Intel SpeedStep, Intel Core, Celeron and Centrino are trademarks or registered
trademarks of Intel Corporation.
Windows, Microsoft and Windows Vista are either registered trademarks or trademarks of
Microsoft Corporation.
Bluetooth is a trademark owned by its proprietor and used by TOSHIBA under license.
InterVideo and WinDVD are registered trademarks of InterVideo Inc.
Photo CD is a trademark of Eastman Kodak.
i.LINK is trademark and registered trademark of Sony Corporation.
Other trademarks and registered trademarks not listed above may be used in this manual.

PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] iii
Preface
This maintenance manual describes how to perform hardware service maintenance for the
Toshiba Personal Computer PORTEGE M780
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 [CONFIDENTIAL] PORTEGE M780 Maintenance Manual (960-809)
The manual is divided into the following parts:
Chapter 1 Hardware Overview describes the PORTEGE M780 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

PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] 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 [CONFIDENTIAL] PORTEGE M780 Maintenance Manual (960-809)
Table of Contents
Chapter 1 Hardware Overview
1.1 Features......................................................................................................................... 5
1.2 System Unit Block Diagram....................................................................................... 13
1.3 3.5-inch Floppy Disk Drive (USB External) .............................................................. 18
1.4 2.5-inch Hard Disk Drive............................................................................................ 19
1.5 Optical Drive (ODD) .................................................................................................. 22
1.6 Keyboard..................................................................................................................... 25
1.7 TFT Color Display...................................................................................................... 26
1.8 Power Supply.............................................................................................................. 27
1.9 Batteries ...................................................................................................................... 30
1.9.3 RTC battery................................................................................................................. 32
1.10 AC Adapter................................................................................................................. 33

PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] vii
Chapter 2 Troubleshooting Procedures
2.1 Troubleshooting.........................................................................................................2-6
2.2 Troubleshooting Flowchart........................................................................................2-8
2.3 Power Supply Troubleshooting................................................................................2-13
2.4 System Board Troubleshooting................................................................................2-23
2.5 USB FDD Troubleshooting .....................................................................................2-31
2.6 2.5” HDD Troubleshooting......................................................................................2-35
2.7 Keyboard Troubleshooting ......................................................................................2-40
2.8 Touch pad Troubleshooting.....................................................................................2-41
2.9 Display Troubleshooting..........................................................................................2-43
2.10 Optical Disk Drive Troubleshooting........................................................................2-45
2.11 Modem Troubleshooting..........................................................................................2-47
2.12 LAN Troubleshooting..............................................................................................2-49
2.13 Wireless LAN Troubleshooting...............................................................................2-50
2.14 Bluetooth Troubleshooting ......................................................................................2-53
2.15 Web camera Troubleshooting..................................................................................2-55
2.16 Tablet Pen Troubleshooting.....................................................................................2-57
2.17 Touch screen Troubleshooting.................................................................................2-59
2.18 Sound Troubleshooting............................................................................................2-61
2.19 Bridge media Slot Troubleshooting.........................................................................2-63
2.20 PCI ExpressCard Slot Troubleshooting...................................................................2-64
2.21 Fingerprint sensor Troubleshooting.........................................................................2-65
2.22 3G Troubleshooting: Not Used................................................................................2-69

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Chapter 3 Tests and Diagnostics
3.1 The Diagnostic Test...................................................................................................3-7
3.2 Executing the Diagnostic Test.................................................................................3-10
3.3 Setting of the hardware configuration .....................................................................3-15
3.4 Heatrun Test.............................................................................................................3-17
3.5 Subtest Names..........................................................................................................3-18
3.6 System Test..............................................................................................................3-20
3.7 Memory Test............................................................................................................3-22
3.8 Keyboard Test..........................................................................................................3-23
3.9 Display Test.............................................................................................................3-24
3.10 Floppy Disk Test......................................................................................................3-27
3.11 Printer Test...............................................................................................................3-29
3.12 Async Test ...............................................................................................................3-31
3.13 Hard Disk Test.........................................................................................................3-32
3.14 Real Timer Test........................................................................................................3-35
3.15 NDP Test..................................................................................................................3-37
3.16 Expansion Test.........................................................................................................3-38
3.17 CD-ROM/DVD-ROM Test .....................................................................................3-40
3.18 Error Code and Error Status Names.........................................................................3-41
3.19 Hard Disk Test Detail Status ...................................................................................3-44
3.20 ONLY ONE TES.....................................................................................................3-46
3.21 Head Cleaning..........................................................................................................3-60
3.22 Log Utilities.............................................................................................................3-61
3.23 Running Test............................................................................................................3-63
3.24 Floppy Disk Drive Utilities......................................................................................3-64
3.25 System Configuration ..............................................................................................3-69
3.26 Wireless LAN Test Program (Atheros) ...................................................................3-71
3.27 Wireless LAN Test Program (Intel-made a/b/g/n Setting up of REF PC) (Not Used) 3-
73
3.28 Wireless LAN Test Program on DUT PC (Intel-made)...........................................3-78
3.30 Sound Test program.................................................................................................3-89
3.31 SETUP .....................................................................................................................3-90
3.33 . Starting TOSHIBA Test & Diagnostic..................................................................3-98

PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] ix
3.34 . Windows PE T&D...............................................................................................3-100
3.35 DOS T&D..............................................................................................................3-156
3.37 Maintenance (WinPE&FreeDos) Test Program Supplementary Information.......3-190
Chapter 4 Replacement Procedures
4.1 Overview....................................................................................................................4-1
4.2 Battery pack.............................................................................................................4-10
4.3 ExpressCard /Bridge media .....................................................................................4-12
4.4 Tablet PC pen...........................................................................................................4-14
4.5 Reserve pen case......................................................................................................4-15
4.6 HDD.........................................................................................................................4-16
4.7 Slim select bay module............................................................................................4-20
4.8 Memory module (slot B)..........................................................................................4-23
4.9 Fan hood...................................................................................................................4-26
4.10 Keyboard..................................................................................................................4-28
4.11 Memory module (slot A) .........................................................................................4-32
4.12 Wireless LAN card/Robson card.............................................................................4-35
4.13 3G card (3G model only).........................................................................................4-39
4.14 Base assembly and cover assembly .........................................................................4-41
4.15 Slim select bay latch ................................................................................................4-45
4.16 Battery lock assembly..............................................................................................4-47
4.17 RTC battery..............................................................................................................4-48
4.18 Bluetooth module.....................................................................................................4-50
4.19 Front panel...............................................................................................................4-52
4.20 Fan/Heat sink/CPU ..................................................................................................4-53
4.21 System board............................................................................................................4-58
4.22 HDD cable/Bluetooth cable.....................................................................................4-62
4.23 MDC ........................................................................................................................4-63
4.24 ExpressCard ............................................................................................................4-65
4.25 Battery cable holder.................................................................................................4-67
4.26 Pen holder assembly ................................................................................................4-68
4.27 Sensor board.............................................................................................................4-69

x [CONFIDENTIAL] PORTEGE M780 Maintenance Manual (960-809)
4.28 Touch pad.................................................................................................................4-70
4.29 Speaker.....................................................................................................................4-74
4.30 Hinge assembly........................................................................................................4-76
4.31 LCD unit/Touch panel/Digitizer..............................................................................4-80
4.32 Switch board/Fingerprint sensor board..................................................................4-101
4.33 Web camera board .................................................................................................4-103
4.34 Wireless antenna/Internal microphone/Web camera cable....................................4-104
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

1 Hardware Overview
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Chapter 1
Hardware Overview

1 Hardware Overview
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1 Hardware Overview
PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] 1-3
Chapter 1 Contents
Chapter 1 Hardware Overview......................................................................................... 1
1.1 Features......................................................................................................................... 5
1.2 System Unit Block Diagram....................................................................................... 13
1.3 3.5-inch Floppy Disk Drive (USB External) .............................................................. 18
1.4 2.5-inch Hard Disk Drive............................................................................................ 19
1.5 Optical Drive (ODD) .................................................................................................. 22
1.5.1 DVD-Super Multi Drive........................................................................ 22
1.6 Keyboard..................................................................................................................... 24
1.7 TFT Color Display...................................................................................................... 25
1.7.1 LCD Module.......................................................................................... 25
1.8 Power Supply.............................................................................................................. 26
1.9 Batteries ...................................................................................................................... 29
1.9.1 Main Battery.......................................................................................... 29
1.9.2 Battery Charging Control...................................................................... 30
1.9.3 RTC battery........................................................................................... 31
1.10 AC Adapter................................................................................................................. 32

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Figures
Figure 1-1 Front of the computer........................................................................................... 11
Figure 1-2 System unit configuration.................................................................................... 12
Figure 1-3 System unit block diagram................................................................................... 13
Figure 1-4 3.5-inch FDD (USB External).............................................................................. 18
Figure 1-5 2.5-inch HDD....................................................................................................... 19
Figure 1-6 DVD Super Multi drive........................................................................................ 22
Figure 1-7 Keyboard............................................................................................................. 24
Figure 1- 8 LCD module........................................................................................................ 25
Tables
Table 1-1 3.5-inch FDD specifications.................................................................................. 18
Table 1-2 2.5-inch HDD specifications................................................................................. 19
Table 1-3 2.5-inch HDD specifications................................................................................. 21
Table 1-4 DVD Super Multi drive specifications.................................................................. 23
Table 1-5 LCD module specifications................................................................................... 25
Table 1-6 Power supply output rating.................................................................................... 27
Table 1-7 Battery specifications ............................................................................................ 29
Table 1-8 Time required for charges ..................................................................................... 30
Table 1-9 Data preservation time........................................................................................... 31
Table 1-10 RTC battery charging/data preservation time ..................................................... 31
Table 1-11 AC adapter specifications.................................................................................... 32

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1.1 Features
The Toshiba PORTEGE M780 Series Personal 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.
There some models and options. Refer to the Parts List for the configuration of each model
and options.
Microprocessor
The Toshiba PORTEGE M780 Series Personal Computer is equipped with an Intel®
Processor.
The PC comes in with one of the following speeds:
Intel®Arrandale Processor
Core Frequency
(GHz) System Bus Frequency (MHz) L2 Cache Size (Mbytes)
2.66GHz
Core i7-620M 1066 4
2.53GHz
Core i5-540M 1066 3
2.4GHz
Core i5-520M 1066 3
Intel®Arrandale Seam Processor
Core Frequency
(GHz) System Bus Frequency (MHz) L2 Cache Size (Mbytes)
2.26GHz
Core i5 430M 1066 3
2.13GH
Core i3 330M 1066 3

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Memory
Two DDR3-1066 SDRAM slots. Memory modules can be installed to provide a maximum
of 8GB. Memory modules are available in 1024MB, 2048MB and 4096MB sizes.
Chipset
The Toshiba PORTEGE M780 Series Personal Computer is Equipped with Intel Ibex
peak QM57 .
VGA Controller
The internal graphics controller in Intel Processor(Core i*) is used..
HDD
The computer has a 2.5-inch SATA HDD. The following capacities are available.
160/250/320 GB
USB FDD
A 3.5-inch USB FDD accommodates 2HD (1.44MB) or 2DD (720KB) disks.
Optical Drive
A DVD-ROM drive or DVD Super Multi drive (double layer) can be installed.
Display
LCD : Built-in 12.1inch, 16M colors, WXGA(1280800dots) 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.

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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.
Touch screen
A touch screen is installed at the front of LCD unit.
Keyboard
An-easy-to-use 85(US)/87(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®Vista. It supports software that uses
a 101- or 102-key enhanced keyboard.
Touch pad
A Touch Pad and control buttons in the palm rest enable control of the on-screen pointer
and scrolling of windows.
Batteries
The computer has two batteries: a rechargeable Lithium-Ion main battery pack and RTC
battery (that backs up the Real Time Clock and CMOS memory).
Universal Serial Bus (USB2.0)
TwoUniversal Serial Bus ports, which comply to the USB 2.0 standard, are provided on
the right hand side of the computer.
eSATA/USB combo
One eSATA/USB combo port, which complies to the USB 2.0 standard, is provided on
the left hand side of the computer. This port has eSATA (External Serial ATA) function.
Some models are equipped with a eSATA/USB combo port.
A Charge power supply (When a computer is power-on or sleep) to USB ports on the left
side of computer.

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External monitor (RGB) port
This port provides 15-pin, analog VGA port. This port allows you to connect an external
monitor to the computer.
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.
Bridge Media slot
This slot lets you insert an SD™/SDHC™ memory card, miniSD™/microSD™ Card,
Memory Stick® (PRO™/PRO Duo™), xD-Picture Card™ and MultiMediaCard
ExpressCard slot
This slot allows you to install a single ExpressCard device.
Fingerprint sensor(Some models)
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.
Docking interface port
The docking interface port enables connection of an optional Express Port Replicator. It
provides additional features as follows:
RJ45 LAN jack
External monitor port
DC IN 15V jack
Security lock slot
Universal Serial Bus 2.0 port (four)
DVI port

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Sound system
The sound system is equipped with the following features:
Stereo speakers
Built-in microphone
Stereo headphone jack
External microphone jack
Internal modem
The computer contains a MDC, enabling data and fax communication. It supports ITU-T
V.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 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).
Wireless LAN
Some computers in this series are equipped with a Wireless LAN module that is
compatible with other LAN systems based on Direct Sequence Spread
Spectrum/Orthogonal Frequency Division Multiplexing radio technology that complies
with the IEEE 802.11 Standard.
Bluetooth
Some computers in this series have Bluetooth wireless communication function which
eliminates the need for cables between electronic devices such as computers, printers and
mobile phones. When it is enabled, Bluetooth provides the wireless personal area
network environment which is safe and trustworthy, that is quick and easy.

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Switch/Button
The following switches and buttons are equipped.
-Power on switch
-Cross Function button
-ESC/Rotation button
-Windows-Security tablet button
-Wireless Assist button
-Wireless Presentation button
3G(Some models)
The computer is equipped with PCI Express Mini Card type 3G card