EUROCOM L295U Series, Service Manual

Preface

V

Preface

Contents

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

Overview .........................................................................................1-1
Model Differences ...........................................................................1-2
System Specifications L295U/L297U .............................................1-3
External Locator - Front View  ........................................................1-6
External Location - Left & Right Side Views .................................1-7
External Locator - Rear View  .........................................................1-8
Mainboard Overview - Top .............................................................1-9
Key Parts  ......................................................................................... 1-9
Mainboard Overview - Bottom  .....................................................1-10
Key Parts  .......................................................................................1-10
Mainboard Overview - Top ...........................................................1-11
Cable Connectors and Switches  ....................................................1-11
Mainboard Overview - Bottom  .....................................................1-12
Cable Connectors and Switches  ....................................................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 Hard Disk Drive Assembly ......................................2-5
Removing the LCD Back Cover  .....................................................2-6
Removing the System Memory .......................................................2-7
Removing the CPU ..........................................................................2-8
Removing the I/O Bracket .............................................................2-10
Removing the Modem  ...................................................................2-11
Removing the Floppy Disk Drive Assembly  ................................2-12
Removing the Mini PCI I/F Module  .............................................2-13

Removing the CD Device Assembly (L295U Series)  .................. 2-14
Removing the CD Device Assembly (L297U Series)  .................. 2-15

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

Part List Illustration Location  ........................................................ A-2
L295U - Base  ................................................................................. A-3
L295U - Back  ................................................................................ A-4
L295U - Front  ................................................................................ A-5
L295U - Card Reader Module  ....................................................... A-6
L295U - Combo  ............................................................................. A-7
L295U - Toshiba DVD  .................................................................. A-8
L295U - FDD ................................................................................. A-9
L295U - HDD  .............................................................................. A-10
L297U - Base  ............................................................................... A-11
L297U - Back  .............................................................................. A-12
L297U - Front  .............................................................................. A-13
L297U - Card Reader Module  ..................................................... A-14
L297U - CD-ROM ....................................................................... A-15
L297U - Combo  ........................................................................... A-16
L297U - Toshiba DVD-RW  ........................................................ A-17
L297U - FDD ............................................................................... A-18
L297U - HDD  .............................................................................. A-19
L297U - Video Capture Card Module  ......................................... A-20

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

System Block Diagram  ...................................................................B-2
Northwood - 1 of 2  .........................................................................B-3
Northwood - 2 of 2  .........................................................................B-4
Clock Generator ..............................................................................B-5
MCH Power  ....................................................................................B-6
MCH Host .......................................................................................B-7