EUROCOM M375E Owner's Manual

Notebook Computer

M375E

Service Manual

Preface

Notice

The company reserves the right to revise this publication or to change its contents without notice. Information contained herein is for reference only and does not constitute a commitment on the part of the manufacturer or any subsequent vendor. They assume no responsibility or liability for any errors or inaccuracies that may appear in this publication nor are they in anyway responsible for any loss or damage resulting from the use (or misuse) of this publication.

This publication and any accompanying software may not, in whole or in part, be reproduced, translated, transmitted or reduced to any machine readable form without prior consent from the vendor, manufacturer or creators of this publication, except for copies kept by the user for backup purposes.

Brand and product names mentioned in this publication may or may not be copyrights and/or registered trademarks of their respective companies. They are mentioned for identification purposes only and are not intended as an endorsement of that product or its manufacturer.

Version 1.0 April 2004

Trademarks

Intel® and Pentium® are registered trademarks of Intel Corporation. Windows® is a registered trademark of Microsoft Corporation.

Other brand and product names are trademarks and./or registered trademarks of their respective companies.

About this Manual

This manual is intended for service personnel who have completed sufficient training to undertake the maintenance and inspection of personal computers.

It is organized to allow you to look up basic information for servicing and/or upgrading components of the M375E series notebook PC.

The following information is included:

Chapter 1, Introduction, provides general information about the location of system elements and their specifications. Chapter 2, Disassembly, provides step-by-step instructions for disassembling parts and subsystems and how to upgrade elements of the system.

Preface

Appendix A, Part Lists Appendix B, Schematic Diagrams

Preface

III

Preface

IMPORTANT SAFETY INSTRUCTIONS

When using your telephone equipment, basic safety precautions should always be followed to reduce the risk of fire, electric shock and injury to persons, including the following:

1. Do not use this product near water, for example near a bath tub, wash bowl, kitchen sink or laundry tub, in a wet basement or near a swimming pool.

2. Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of electrical shock from lightning.

3. Do not use the telephone to report a gas leak in the vicinity of the leak.

4. Use only the power cord and batteries indicated in this manual. Do not dispose of batteries in a fire. They may explode. Check with local codes for possible special disposal instructions.

5. This product is intended to be supplied by a Listed Power Unit.

CAUTION

Preface

Always disconnect all telephone lines from the wall outlet before servicing or disassembling this equipment.

TO REDUCE THE RISK OF FIRE, USE ONLY NO. 26 AWG OR LARGER,

TELECOMMUNICATION LINE CORD

Instructions for Care and Operation

The notebook computer is quite rugged, but it can be damaged. To prevent this, follow these suggestions:

1. Don’t drop it, or expose it to shock. If the computer falls, the case and the components could be damaged.

Preface

Do not expose the computer to any shock or vibration.

Do not place it on an unstable surface.

Do not place anything heavy on the computer.

2. Keep it dry, and don’t overheat it. Keep the computer and power supply away from any kind of heating element. This is an electrical appliance. If water or any other liquid gets into it, the computer could be badly damaged.

Do not expose it to excessive heat or direct sunlight.

Do not leave it in a place where foreign matter or moisture may affect the system.

Don’t use or store the computer in a humid environment.

Do not place the computer on any surface which will block the vents.

3. Follow the proper working procedures for the computer. Shut the computer down properly and don’t forget to save your work. Remember to periodically save your data as data may be lost if the battery is depleted.

Do not turn off the power until you properly shut down all programs.

Do not turn off any peripheral devices when the computer is on.

Do not disassemble the computer by yourself.

Perform routine maintenance on your computer.

Preface

4. Avoid interference. Keep the computer away from high capacity transformers, electric motors, and other strong mag- netic fields. These can hinder proper performance and damage your data.

5. Take care when using peripheral devices.

Preface



Power Safety

Warning

Before you undertake any upgrade procedures, make sure that you have turned off the power, and disconnected all peripherals and cables (including telephone lines). It is advisable to also remove your battery in order to prevent accidentally turning the machine on.

Use only approved brands of peripherals.

Unplug the power cord before attaching peripheral devices.

Power Safety

The computer has specific power requirements:

• Only use a power adapter approved for use with this computer.

• Your AC adapter may be designed for international travel but it still requires a steady, uninterrupted power supply. If you are unsure of your local power specifications, consult your service representative or local power company.

• The power adapter may have either a 2-prong or a 3-prong grounded plug. The third prong is an important safety feature; do not defeat its purpose. If you do not have access to a compatible outlet, have a qualified electrician install one.

• When you want to unplug the power cord, be sure to disconnect it by the plug head, not by its wire.

• Make sure the socket and any extension cord(s) you use can support the total current load of all the connected devices.

• Before cleaning the computer, make sure it is disconnected from any external power supplies.

Do not plug in the power cord if you are wet.

Do not use the power cord if it is broken.

Do not place heavy objects on the power cord.

Battery Precautions

• Only use batteries designed for this computer. The wrong battery type may explode, leak or damage the computer.

• Recharge the batteries using the notebook’s system. Incorrect recharging may make the battery explode.

• Do not try to repair a battery pack. Refer any battery pack repair or replacement to your service representative or qualified service personnel.

• Keep children away from, and promptly dispose of a damaged battery. Always dispose of batteries carefully. Batteries may explode or leak if exposed to fire, or improperly handled or discarded.

• Keep the battery away from metal appliances.

• Affix tape to the battery contacts before disposing of the battery.

• Do not touch the battery contacts with your hands or metal objects.



Battery Disposal

The product that you have purchased contains a rechargeable battery. The battery is recyclable. At the end of its useful life, under various state and local laws, it may be illegal to dispose of this battery into the municipal waste stream. Check with your local solid waste officials for details in your area for recycling options or proper disposal.

Caution

Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Discard used battery according to the manufacturer’s instructions.

Preface

VII

Preface

Related Documents

You may also need to consult the following manual for additional information:

User’s Manual on CD This describes the notebook PC’s features and the procedures for operating the computer and its ROM-based setup program. It also describes the installation and operation of the utility programs provided with the notebook PC.

VIII

Contents

Preface

Introduction ..............................................1-1

Overview .........................................................................................1-1

System Specifications .....................................................................1-2

External Locator - Top View with LCD Panel Open ......................1-5

External Locator - Front & Left Side Views ...................................1-6

External Locator - Right Side & Rear Views .................................. 1-7

External Locator - Bottom View ..................................................... 1-8

Mainboard Overview - Top (Key Parts) .........................................1-9

Mainboard Overview - Bottom (Key Parts) .................................. 1-10

Mainboard Overview - Top (Connectors) ..................................... 1-11

Mainboard Overview - Bottom (Connectors) ...............................1-12

Disassembly ...............................................2-1

Overview .........................................................................................2-1

Maintenance Tools ..........................................................................2-2

Connections ..................................................................................... 2-2

Maintenance Precautions .................................................................2-3

Disassembly Steps ...........................................................................2-4

Removing the Battery ......................................................................2-5

Removing the Hard Disk Drive ....................................................... 2-6

Removing the Modem ..................................................................... 2-8

Removing the Wireless LAN .......................................................... 2-9

Removing the System Memory (RAM) ........................................2-10

Removing the Optical (CD/DVD) Device ....................................2-12

Removing the Processor ................................................................2-13

Removing the Keyboard ................................................................2-15

Part Lists ..................................................A-1

Part List Illustration Location ........................................................A-2

Top (M375E) .................................................................................. A-3

Bottom (M375E) ............................................................................A-4

LCD (M375E) ................................................................................ A-5

Card Reader (M375E) .................................................................... A-6

CD-ROM Drive - QSI-TEAC (M375E) ........................................ A-7

CD-RW Drive - TEAC (M375E) ................................................... A-8

Combo Drive - TEAC (M375E) .................................................... A-9

DVD-ROM Drive - TEAC-TOSHIBA (M375E) ........................ A-10

DVD-RW Drive - TOSHIBA (M375E) ....................................... A-11

Schematic Diagrams................................. B-1

System Block Diagram ...................................................................B-2

Socket 479 - 1 of 2 ..........................................................................B-3

Socket 479 - 2 of 2 ..........................................................................B-4

855PM MCH-1 ...............................................................................B-5

855PM MCH-2 ...............................................................................B-6

855PM MCH-3 ...............................................................................B-7

DDRAM .........................................................................................B-8

DDR Termination ...........................................................................B-9

Clock Generator ............................................................................B-10

ICH4-1 (1 of 3) .............................................................................B-11

ICH4-2 (2 of 3) .............................................................................B-12

ICH4-3 (3 of 3) .............................................................................B-13

USB 2.0 .........................................................................................B-14

MDC, BT, CCD, Mini PCI (Wireless LAN) ................................B-15

HDD, CDROM .............................................................................B-16

LAN RTL8110S (B)-32 ................................................................B-17

LPC S I/O, Flash ROM .................................................................B-18

Power On Checklist .....................................................................B-19

Hitachi H8S ..................................................................................B-20

Audio Codec ALC202 ..................................................................B-21

PCMCIA (PCI1620) .....................................................................B-22

PCMCIA Socket ...........................................................................B-23

Preface

TI1394 (TSB43AB21) .................................................................. B-24

M10 AGP/PCI/Power ................................................................... B-25

M10 MEM I/F-A .......................................................................... B-26

M10 MEM I/F-B .......................................................................... B-27

M10 VGA Connector ................................................................... B-28

Panel CON .................................................................................... B-29

VGA DDR DRAM Termination .................................................. B-30

Audio Out & Off Board ............................................................... B-31

BTVCC, +1.5V, +1.8VS .............................................................. B-32

V_CORE ...................................................................................... B-33

+VDD3, +VDD5, +12V, +3V, +5V ............................................. B-34

+2.5VS, +1.25VS, +5VS, +3VS .................................................. B-35

Charger ......................................................................................... B-36

SMSC LPC47N217 LPC I/F ........................................................ B-37

Preface

1: Introduction

Overview

This manual covers the information you need to service or upgrade the M375E series notebook computer. Information about operating the computer (e.g. getting started, and the Setup utility) is in the User’s Manual. Information about drivers (e.g. VGA & audio) is also found in User’s Manual. That manual is shipped with the computer.

Operating systems (e.g. DOS, Windows 9x, Windows NT 4.0, Windows 2000, Windows XP, OS/2 Warp, UNIX, etc.) have their own manuals as do application software (e.g. word processing and database programs). If you have questions about those programs, you should consult those manuals.

The M375E series notebook is designed to be upgradeable. See “Disassembly” on page 2 - 1 for a detailed description of the upgrade procedures for each specific component. Please note the warning and safety information indicated by the “” symbol.

The balance of this chapter reviews the computer’s technical specifications and features.

Introduction

1.Introduction

Overview 1 - 1

Introduction

System Specifications

Feature Specification

1.Introduction



Video Memory

The system allocates or “shares” a portion of system memory for video use. “Shared” memory is user-configurable via the SCU. The default setting is set to 8MB.

Processor Types Intel® Pentium® M Processor (478-pin) Micro-

(µ)FCPGA Package

Core Logic Intel 855PM + ICH4-M

Security Security (Kensington® Type) Lock Slot BIOS Password

Memory Two 200 Pin DDR SODIMM Sockets

Supporting DDR 266/333 MHz Modules

BIOS One 512KB Flash ROM Insyde BIOS

LCD 15.4" WXGA TFT LCD (16:9 Wide Screen Aspect Ratio)

Display ATI Mobility Radeon 9600 (M10) High Perfomance Chip

Integrated 128-bit 2D/3D Graphics Accelerator

Advanced HW Acceleration for DVD Playback

Fully DirectX® 9 Support Ultra AGP™ 4x Up to 128MB DDR SGRAM On Board (Default 64MB - Upgrade 128MB) Dual-View Display Monitor External Display Resolution up to 1600 * 1200 UXGA

Storage One Changeable Optical Device (CD-ROM/ DVD-ROM/ CD-RW/ DVD-RW Combo/ DVD-Dual etc.)

One Changeable Primary 2.5" 9.5mm (h) Hard Disk Drive Support LBA Mode, Master Mode IDE, PIO Mode 4 / ATA-33/66/100

Audio AC’97 2.2 Compliant Device

Advanced Wavetable Synthesizer DirectSound™ 3D Accelerator Full-Duplex

(µ0.13) 0.13 Micron Process Technology, 1MB On-die L2 Cache & 400MHz Front Side Bus

- 1.3/ 1.4/ 1.5/ 1.6/ 1.7 GH

µ0.09) 0.09 Micron Process Technology,

( 2MB On-Die L2 Cache & 400MHz Front Side Bus

- 1.5A/ 1.6A/ 1.7A/ 1.8 / 2.0 GHz

Supporting 128/256/512/1024 MB DDR RAM Modules Expandable up to 2GB

S/PDIF Digital Output (5.1 CH) Built-In Microphone Built-In 4 Speakers (25 * 15mm)

1 - 2 System Specifications

Feature Specification

Introduction

Keyboard, Pointing Device & Buttons

PCMCIA One Type II PCMCIA 3.3V/5V Socket

Interface & Communication

Indicators LED Indicators (System Activity, Suspend/Power On/AC-In, Battery Charging/Battery Full, Num Lock, Caps Lock,

Power Management Supports ACPI 2.0

Power Full Range AC Adapter - AC-In 100~240V, 47~63Hz, DC Output 65W

Full Size Winkey Keyboard with Numeric Keypad Built-In TouchPad (Scroll Functionality Included)

Three USB 2.0/1.1 Ports One Mini IEEE1394 Ports One External Monitor (VGA) Port One S-Video Jack for TV Output One Serial Port One Infrared Transceiver (IrDA 1.1/FIR/SIR/ASKIR)

Infrared Transfer 1cm ~ 1M Operating Distance

115.2K bps SIR

4M bps FIR One Headphone Jack One Microphone Jack One S/PDIF Out Port

Scroll Lock, email, 802.11b+ Bluetooth)

Supports Hibernate/Standby Modes

Easy Changeable Main Battery Smart Lithium-Ion (6 cells)

One New 4-in-1 built-in Card Reader One RJ-11 Jack (Modem)

Integrated V.90/l56K MDC Modem (V.92)

One RJ-45 Jack (Local Area Network)

1000BASE-T (Gigabit) LAN On Board 10/100 BASE-T Compatible IEEE 802.3 & 802.3u Compliant

DC-In Jack

802.11b / 802.11b+g Wireless LAN (Factory Option) Video Camera Module (Factory Option) Bluetooth 1.1 + MDC Module (Factory Option)

Supports Battery Low Sleep Supports Resume From Modem Ring Supports Resume from LAN

1.Introduction

Buttons email/ browser/ power/ WLAN+ Bluetooth

Environmental Spec Temperature

°C ~ 35°C

Physical Dimensions & Weight

Operating: 5 Non-Operating: -20°C ~ 60°C

360mm (w) * 273mm (d) * 29.5(h) mm 3.15KG (with battery)

Relative Humidity

Operating: 20% ~ 80% Non-Operating: 10% ~ 90%

System Specifications 1 - 3

Introduction

Feature Specification

1.Introduction

Optional CD-RW Drive Module

Combo Drive Module DVD-ROM Drive Module DVD-RW Drive Module DVD-Dual Drive Module Software DVD Player

Mini PCI Intel PRO/ Wireless 2100 WLAN Module Mini PCI Intel PRO / Wireless 2200BG WLAN Module Bluetooth 1.1 + MDC Module USB VGA Camera Module

1 - 4 System Specifications

Introduction

External Locator - Top View with LCD Panel Open

Figure 1

Top View

1. Optional Built-In PC Camera

2. LCD

3. LED Power & Communication Indicators

4. Speakers

5. Close Cover Switch

6. LED Status Indicators

7. Power Button

8. Keyboard

9. Built-In Microphone

10. TouchPad and

Buttons

11. Hot-Key Buttons

1.Introduction

External Locator - Top View with LCD Panel Open 1 - 5

Introduction

Figure 2

Front View

1. LCD Latches

2. Mini-IEEE 1394 Port

3. 3-in-1 Card Reader

4. S/P DIF Out Port

5. Microphone-In Jack

6. Headphone-Out Jack

7. Hot-Key Buttons

Figure 3

Left Side View

1.Introduction

1. Vent/Fan Intake

2. External Monitor (VGA) Port

3. S-Video-Out Port

4. RJ-11 Phone Jack

5. RJ-45 LAN Jack

6. 2 * USB 2.0 Ports

7. Infrared Transceiver

8. PC Card Slot

9. PC Card Slot Eject Button

External Locator - Front & Left Side Views

72 4 5 63

3 4152

6 7

1 - 6 External Locator - Front & Left Side Views

External Locator - Right Side & Rear Views

1 2

Introduction

Figure 4

Right Side View

1. USB 2.0/1.1 Port

2. Serial Port

3. Optical Device Bay

4. DC-In Jack

1.Introduction

Figure 5

Rear View

1. Security Lock Slot

External Locator - Right Side & Rear Views 1 - 7

Introduction

Figure 6

Bottom View

External Locator - Bottom View

1. Vent/Fan Intakes

2. Battery

3. CPU Bay Cover

4. RAM Module Cover

5. Hard Disk, WLAN & Bluetooth Module Cover

6. Optical Device Removal Cover

1.Introduction



Overheating

To prevent your computer from overheating make sure nothing blocks the vent/fan intakes while the computer is in use.

1 - 8 External Locator - Bottom View

Introduction

Mainboard Overview - Top (Key Parts)

Figure 7

Mainboard Top

Key Parts

1. PC Card Assembly

2. Northbridge - Intel 855PM

3. Southbridge 82801DBM

4. H8

5. LPC Super I/O NS PC87383

6. Clock Generator

1.Introduction

Mainboard Overview - Top (Key Parts) 1 - 9

Introduction

Figure 8

Mainboard Bottom

Key Parts

1. CPU Socket (no CPU installed)

2. Memory Slots (no memory installed)

3. ATI Mobility Radeon 9600 Pro

4. Flash BIOS ROM

5. CardBus PCI1620

6. LAN Controller RTL8110S-32

7. ALC202 - Audio Codec

1.Introduction

Mainboard Overview - Bottom (Key Parts)

1 - 10 Mainboard Overview - Bottom (Key Parts)

Introduction

Mainboard Overview - Top (Connectors)

Figure 9

Mainboard Top

Connectors

1. Inverter Cable Connector (CN2)

2. Speaker Cable Connector (JSPK1)

3. Fan Cable Connector (JFAN1)

4. Keyboard Cable Connector (JKB1)

5. TouchPad Cable Connector (JTP1)

6. Microphone Cable Connector (JMIC1)

7. Power Cable Connector (CN1)

8. CCD Cable Connector (JCCD1)

9. Multi-Function Board (CN3)

10. CMOS Battery Cable Connector (JBAT1)

11. Speaker Cable Connector (JSPK2)

1.Introduction

Mainboard Overview - Top (Connectors) 1 - 11

Introduction

Figure 10

Mainboard Bottom

Connectors

1. Battery Connector (JBATT1)

2. CD-ROM Connector (J3)

3. Fan Cable Connector (JFAN2)

4. Hard Disk Connector (JHDD1)

5. Mini-PCI (Wireless Lan Module)

1.Introduction

Connector (JMINIPCI1)

6. Modem Module Connector (J4)

7. Hot-Key Cable Connector (CN6)

8. Modem Cable Connector (JMODEM1)

9. LCD Panel Cable Connector (JLCD1)

Mainboard Overview - Bottom (Connectors)

1 - 12 Mainboard Overview - Bottom (Connectors)

2: Disassembly

Overview

This chapter provides step-by-step instructions for disassembling the M375E series notebook’s parts and subsystems. When it comes to reassembly, reverse the procedures (unless otherwise indicated).

We suggest you completely review any procedure before you take the computer apart.

Disassembly

Procedures such as upgrading/replacing the RAM, CD device and hard disk are included in the User’s Manual but are repeated here for your convenience.

To make the disassembly process easier each section may have a box in the page margin. Information contained under

the figure # will give a synopsis of the sequence of procedures involved in the disassembly procedure. A box with a 

lists the relevant parts you will have after the disassembly process is complete. Note: The parts listed will be for the disassembly procedure listed ONLY, and not any previous disassembly step(s) required. Refer to the part list for the previous disassembly procedure. The amount of screws you should be left with will be listed here also.

A box with a  will also provide any possible helpful information. A box with a  contains warnings.

An example of these types of boxes are shown in the sidebar.

2.Disassembly



Information



Warning

Overview 2 - 1

Disassembly

2.Disassembly

NOTE: All disassembly procedures assume that the system is turned OFF, and disconnected from any power supply (the battery is removed too).

Maintenance Tools

The following tools are recommended when working on the notebook PC:

• M3 Philips-head screwdriver

• M2.5 Philips-head screwdriver (magnetized)

• M2 Philips-head screwdriver

• Small flat-head screwdriver

• Pair of needle-nose pliers

• Anti-static wrist-strap

Connections

Connections within the computer are one of four types:

Locking collar sockets for ribbon connectors To release these connectors, use a small flat-head screwdriver to

gently pry the locking collar away from its base. When replacing the connection, make sure the connector is oriented in the same way. The pin1 side is usually not indicated.

2 - 2 Overview

Pressure sockets for multi-wire connectors To release this connector type, grasp it at its head and gently

rock it from side to side as you pull it out. Do not pull on the wires themselves. When replacing the connection, do not try to force it. The socket only fits one way.

Pressure sockets for ribbon connectors To release these connectors, use a small pair of needle-nose pli-

ers to gently lift the connector away from its socket. When replacing the connection, make sure the connector is oriented in the same way. The pin1 side is usually not indicated.

Board-to-board or multi-pin sockets To separate the boards, gently rock them from side to side as

you pull them apart. If the connection is very tight, use a small flat-head screwdriver - use just enough force to start.

Maintenance Precautions

The following precautions are a reminder. To avoid personal injury or damage to the computer while performing a removal and/or replacement job, take the following precautions:

1. Don't drop it. Perform your repairs and/or upgrades on a stable surface. If the computer falls, the case and other components could be damaged.

2. Don't overheat it. Note the proximity of any heating elements. Keep the computer out of direct sunlight.

3. Avoid interference. Note the proximity of any high capacity transformers, electric motors, and other strong mag- netic fields. These can hinder proper performance and damage components and/or data. You should also monitor the position of magnetized tools (i.e. screwdrivers).

4. Keep it dry. This is an electrical appliance. If water or any other liquid gets into it, the computer could be badly damaged.

5. Be careful with power. Avoid accidental shocks, discharges or explosions.

•Before removing or servicing any part from the computer, turn the computer off and detach any power supplies.

•When you want to unplug the power cord or any cable/wire, be sure to disconnect it by the plug head. Do not pull on the wire.

6. Peripherals – Turn off and detach any peripherals.

7. Beware of static discharge. ICs, such as the CPU and main support chips, are vulnerable to static electricity. Before handling any part in the computer, discharge any static electricity inside the computer. When handling a printed circuit board, do not use gloves or other materials which allow static electricity buildup. We suggest that you use an anti-static wrist strap instead.

8. Beware of corrosion. As you perform your job, avoid touching any connector leads. Even the cleanest hands produce oils which can attract corrosive elements.

9. Keep your work environment clean. Tobacco smoke, dust or other air-born particulate matter is often attracted to charged surfaces, reducing performance.

10. Keep track of the components. When removing or replacing any part, be careful not to leave small parts, such as screws, loose inside the computer.

Disassembly



Power Safety

Warning

2.Disassembly

Cleaning

Do not apply cleaner directly to the computer, use a soft clean cloth. Do not use volatile (petroleum distillates) or abrasive cleaners on any part of the computer.

Overview 2 - 3

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