Toshiba portege m780 Service Manual

Toshiba Personal Computer

PORTEGE M780 Maintenance Manual

First edition January 2010

TOSHIBA CORPORATION

File Number 960-809

[CONFIDENTIAL]

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.

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PORTEGE M780 Maintenance Manual (960-809)

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.

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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

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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 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

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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

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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

3.27Wireless 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
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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
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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

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1 Hardware Overview

Chapter 1

Hardware Overview

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1 Hardware Overview

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1 Hardware Overview

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 Hardware Overview

1.1Features

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
			L2 Cache Size
	Core Frequency	System Bus Frequency
	(GHz)	(MHz)	(Mbytes)
			4
	2.66GHz	1066
	Core i7-620M
			3
	2.53GHz	1066
	Core i5-540M
			3
	2.4GHz	1066
	Core i5-520M

Intel® Arrandale Seam Processor
			L2 Cache Size
	Core Frequency	System Bus Frequency
	(GHz)	(MHz)	(Mbytes)
			3
	2.26GHz	1066
	Core i5 430M
			3
	2.13GH	1066
	Core i3 330M

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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 101or 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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1 Hardware Overview

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

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1 Hardware Overview

The front of the computer is shown in figure 1-1.

Figure 1-1 Front of the computer

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1 Hardware Overview

The system unit configuration is shown in figure 1-2.

Figure 1-2 System unit configuration

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1.2System Unit Block Diagram

Figure 1-3 is a block diagram of the system unit.

Figure 1-3 System unit block diagram

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1 Hardware Overview

The system unit is composed of the following major components:

 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
			L2 Cache Size
	Core Frequency	System Bus Frequency
	(GHz)	(MHz)	(Mbytes)
			4
	2.66GHz	1066
	Core i7-620M
			3
	2.53GHz	1066
	Core i5-540M
			3
	2.4GHz	1066
	Core i5-520M

Intel® Arrandale Seam Processor
			L2 Cache Size
	Core Frequency	System Bus Frequency
	(GHz)	(MHz)	(Mbytes)
			3
	2.26GHz	1066
	Core i5 430M
			3
	2.13GH	1066
	Core i3 330M

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1 Hardware Overview

 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.

-204-pin slot

-DDR3-1066 support

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.

LAN Controller

Ethernet LAN (10 megabits per second, 10BASE-T), Fast Ethernet LAN (100 megabits per second, 100BASE-TX) or Gigabit Ethernet LAN (1000 megabits per second, 1000BASE-T) is used.

Gigabit Ethernet is supported.

PCI-Express connection

One RJ45 port

Supports WOL

Supports Magic Pocket

AMT 2.6 is supported.

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1 Hardware Overview

Sound Controller

Ibex peak QM57 Built-in HD Audio

Realtek ALC268

AMP: AN12947AA

volume control

Supports VoIP

Stereo headphone jack

External microphone jack

Built-in microphone

Modem Controller

One MDC is used.

One RJ11 port

V.92 (V.90) 56K Modem/FAX

Agree made Controller

Ring Wakeup support

Wireless LAN

One PCI Express Mini Card slot1

Intel 802.11(a/b/g/n):13ch-Puma Peak 2x2 MOW-HMC Atheros 802.11(b/g/n)13ch-HB95 MOW-HMC

Supports Wireless Communication SW

Bluetooth

V2.1 module

Antenna built-in

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1 Hardware Overview

Sensor

Thermal Sensor: One ADM1032ARMZ chip is used.

LCD Sensor:.

Acceleration Sensor

Thermistor (Crestline-GM, memory, ODD, HDD, 3G:not used )

Fingerprints sensor: Authen Tec maid

3G (Not Used)

• 3G card in the PCI Express Mini card slot

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1.33.5-inch Floppy Disk Drive (USB External)

The 3.5-inch FDD is a thin, high-performance reliable drive that supports 720KB (formatted) 2DD and 1.44MB (formatted) 2HD disks.

The FDD is shown in figure 1-4. The specifications for the FDD are listed in Table 1-1.

Figure 1-4 3.5-inch FDD (USB External)

Table 1-1 3.5-inch FDD specifications

		TEAC FD-05PUB-337
Items		(G8AC0000B320)
		720KB mode		1.44MB mode
Data transfer rate	FDD part	250K bits/second		500K bits/second
	USB	Full speed mode (12M bits/second)
Disk rotation speed			300rpm
Track density		5.3 track/mm (135TPI)

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1.42.5-inch Hard Disk Drive

The removable HDD is a random access non-volatile storage device. It has a non-removable 2.5-inch magnetic disk and mini-Winchester type magnetic heads.

The computer supports a 160GB, 250GB or 320GB.

The HDD is shown in figure 1-5. Specifications are listed in Table 1-2.

				Figure 1-5 2.5-inch HDD
				Table 1-2	2.5-inch HDD specifications
						Specifications
	Items
					FUJITSU		FUJITSU
				G8BC00065160			G8BC00065250
Outline		Width (mm)				100.0
Dimensio		Height (mm)				9.5
ns
		Depth (mm)				70
		Weight (g)			96 max		101 max
Storage size (formatted)					160GB		250GB
Speed (RPM)						5,400
Data transfer speed (Mb/s)
To/Form Media						116.2 MB/s Max
To/Form Host						150 MB/s (Genli)
Data buffer size (MB/s)						8
Positioning Time(read and						Read: 12ms
seek time)
Motor startup time (s)						4

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Table 1-2 2.5-inch HDD specifications

				Specifications
	Items
			HGST			HGST
			G8BC0006U250			G8BC0006U320
Outline		Width (mm)		100.2±0.25
Dimensio		Height (mm)		9.5±0.2
ns
		Depth (mm)		69.85±0.25
		Weight (g)	95 max			115 max
Storage size (formatted)			250GB			320GB
Speed (RPM)				7,200
Data transfer rate
Disk-buffer to/from				1245
media(Mbps)
Buffer-host data transfer				3.0/1.5 max.
(Ggit/sec)
Data buffer size				16384KB
Positioning Time(read and				Read: 12ms
seek time)
Motor startup time (s)				4.0

1-20	[CONFIDENTIAL] PORTEGE M780 Maintenance Manual (960-809)