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Acer 670 A-8Maintenance Data, Figure A-5Main Board Jumper Options (bottom side)

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A-8Maintenance Data

SW3 CD-ROM/FDD lock/unlock switch

DIMM2 DIMM slot 2

DIMM1 DIMM slot 1

J18 Feature board connector

Figure A-5Main Board Jumper Options (bottom side)

U1 FIR J4 Left speaker connector

SW1 LCD cover switch J5 Internal microphone connector

J1 Mic-in connector J6 Fan connector

J2 Line-in connector J7 Right speaker connector

J3 Line-out connector

Figure A-6FIR/Audio Board Jumper Options

J18

SW3

U1 SW1 J1 J2 J3

J4 J5 J6 J7

DIMM1 DIMM2

Contents

Main CopyrightCopyright DisclaimerDisclaimer About this ManualAbout this Manual Purpose Manual Structure Related product information Conventions a, e, s, etc. Represent the actual keys that you have to press on the Table of ContentsTable of Contents Chapter 1 General Introduction Chapter 2 Installation Chapter 3 Operating Instructions Chapter 4 Theory of Operation Chapter 5 Troubleshooting Procedures Chapter 6 Field Service Appendix A Maintenance Data List of FiguresList of Figures Page List of TablesList of Tables Page 1-2General Description 1.2. Notebook Model Number Definition The following figure contains a summary of the available models in the 67x Series. 1.3. Product Overview Page 1.3.1 Video Display Features 1.3.2 Software Features 1.3.3 67x Series External Ports 1.3.4 Standard Peripheral Devices 1.3.5 Expansion Capabilities 1.3.6 PCMCIA Card Options Page 1.4. Standard Test Features 1.4.1 Power On Self Test 1-10 General Description 1.5. Extensa 67x Series Specifications Service Guide 1-11 Table 1-5 Specifications Characteristic Model 670 Page C h a p t e r 2C h a p t e r 2 Installation 2.3. Installing Internal Notebook Options 2.3.1 Installing Main Memory Expansion (Optional) 2.3.2 Setting up the Software 2.4. Installing External Options 2.4.1 Installing PCMCIA Options Page Page Page 2.5.4 Installing an External VGA Monitor 2.5.5 Installing the Security Lock Option 2.6. Battery Pack Installation 2.7. Installing the AC Power Adapter 2.8. Initial System Checkout 2.9. Making Backups of System Software &KDSWHU Operating Instructions 3.1. Introduction 3.2. Controls/Indicators 3-2 Operating Instructions Indicator Light Description Table 3-2 Summary of Notebook Hot Key Sequences Function Key Sequence Service Guide 3-3 Table 3-2 Summary of Notebook Hot Key Sequences Function Key Sequence C h a p t e r 4C h a p t e r 4 Theory of Operation 4.2.2 Memory Subsystem 4.2.3 Video Subsystem 4.2.4 Sound Subsystem 4.2.5 Keyboard Subsystem 4.2.6 Hard Disk Drive Subsystem 4.2.7 Floppy Disk Drive Subsystem 4.2.8 Power Subsystem 4.3. Detailed Circuit Theory 4.3.1 Major Components 4.3.2 System Architecture 586 CPU 4.3.3 ALI M1521 (PCI, Cache and Memory Controller) Page 4-8Theory of Operation 4.3.4 ALI M1523 (PCI, Cache and Memory Controller) Figure 4-3 M1523 Chip Simplified Block Diagram M1523 Block Diagram Service Guide 4-9 ALi Figure 4-4 M1523 Chip Pinouts M1523 Page Page Page 4.3.6 C&T 65550 High Performance Flat Panel / CRT VGA Controller Page Page 4.3.7 TI1130 PCMCIA Controller Page Page 4.3.8 NS87336VJG Super I/O Controller Page 4-22 Theory of Operation A simplified block diagram of the Super I/O controller is provided in Figure 4-13. Figure 4-13 NS87336VJG Chip Simplified Block Diagram Service Guide 4-23 4.3.9 ESS1878 Audio Controller with Interface to Expansion Audio Mixer with corresponding pins of ES978 in expansion unit C h a p t e r 5C h a p t e r 5 Troubleshooting Procedures Page 5.3.3 Fault Isolation Using Self Test 5-4Troubleshooting Procedures Table 5-2 Self Test Error Messages Error Message Explanation Page 5-6Troubleshooting Procedures Table 5-3 Self Test Beep Messages Beep Code Port 80h Description Page C h a p t e r 6C h a p t e r 6 Field Service Page Page 6.5.1 Removing/Replacing the Notebook Battery Pack Page 6.5.3 Removing/Replacing the Hard Disk Drive Assembly 6.5.4 Removing/Replacing the Keyboard Assembly 6.5.5 Removing/Replacing Expansion Memory Page 6.5.7 Removing/Replacing the CPU Chip Page 6.5.9 Removing/Replacing the Display Assembly 10 Removing/Replacing the Top Cover 6.5.11 Removing/Replacing FIR/Audio Board 6.5.12 Removing/Replacing the Fan Assembly 6.5.13 Removing/Replacing the LED Board 6.5.14 Removing/Replacing Inside Frame Assy Page Page Page Page 6.5.19 Removing/Replacing the Touchpad Assembly 6.5.20 Removing/Replacing the Display Bezel 6.5.21 Removing/Replacing the LCD Inverter and LCD ID Boards 6.5.22 Removing/Replacing the LCD Panel A p A p p e n d p e n d i x Ai x A Maintenance Data A.3.1 Cover-Display Assembly LCD ID Board LCD Inverter A.3.2 System Base Assembly A-4Maintenance Data Service Guide A-5 Page Service Guide A-7 A.4. Jumper Options Figure A- 4Main Board Jumper Options (top side) The remainder of this appendix describes the jumper configuration options for the 670 Series boards. A-8Maintenance Data Figure A-5Main Board Jumper Options (bottom side)