Service Manual Compaq Evo N160 Series.pdf

Maintenance and Service Guide

Compaq Notebook Evo N160 Series

Document Part Number: 260552-001

October 2001

This guide is a troubleshooting reference used for maintaining

and servicing the notebook. It provides comprehensive

information on identifying computer features, components, and

spare parts, troubleshooting computer problems, and performing

computer disassembly procedures.

Compaq, Evo, and the Compaq logo are trademarks of Compaq Information

Technologies Group, L.P.

Microsoft and Windows are trademarks of Microsoft Corporation.

Intel, Pentium, and Celeron are trademarks of Intel Corporation.

All other product names mentioned herein may be trademarks of their respective

companies.

Compaq shall not be liable for technical or editorial errors or omissions

contained herein. The information in this document is provided “as is” without

warranty of any kind and is subject to change without notice. the warranties for

Compaq products are set forth in the express limited warranty statements

accompanying such products. Nothing herein should be construed as

constituting an additional warranty.

Maintenance and Service Guide

First Edition October 2001

Document Part Number: 260552-001

Contents

1 Product Description

Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2

1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–8

1.2 Clearing a Password . . . . . . . . . . . . . . . . . . . . . . . . . 1–10

1.3 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . 1–11

1.4 Computer External Components . . . . . . . . . . . . . . . 1–12

1.5 Design Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–22

2 Troubleshooting

Using the PhoenixBIOS Setup Utility . . . . . . . . . . . . . . . 2–1

Troubleshooting Flowcharts. . . . . . . . . . . . . . . . . . . . . . . 2–2

Initial Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 2–3

2.2 No Power, Part 1 . . . . . . . . . . . . . . . . . . . . . . . . . 2–4

2.3 No Power, Part 2 . . . . . . . . . . . . . . . . . . . . . . . . . 2–5

2.4 No Power, Part 3 . . . . . . . . . . . . . . . . . . . . . . . . . 2–6

2.5 No Power, Part 4 . . . . . . . . . . . . . . . . . . . . . . . . . 2–7

2.6 No Video, Part 1 . . . . . . . . . . . . . . . . . . . . . . . . . 2–8

2.7 No Video, Part 2 . . . . . . . . . . . . . . . . . . . . . . . . . 2–9

2.8 Nonfunctioning Docking Station

(if applicable). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–10

2.9 No Operating System (OS) Loading . . . . . . . . . 2–11

2.10 No OS Loading from Hard Drive, Part 1. . . . . 2–12

2.11 No OS Loading from Hard Drive, Part 2. . . . . 2–13

2.12 No OS Loading from Hard Drive, Part 3. . . . . 2–14

2.13 No OS Loading from Diskette Drive. . . . . . . . 2–15

2.14 No OS Loading from CD- or

DVD-ROM Drive . . . . . . . . . . . . . . . . . . . . . . . . . . 2–16

2.15 No Audio, Part 1 . . . . . . . . . . . . . . . . . . . . . . . 2–17

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iii

Contents

2.16 No Audio, Part 2 . . . . . . . . . . . . . . . . . . . . . . . 2–18

2.17 Nonfunctioning Device . . . . . . . . . . . . . . . . . . 2–19

2.18 Nonfunctioning Keyboard . . . . . . . . . . . . . . . . 2–20

2.19 Nonfunctioning Pointing Device . . . . . . . . . . . 2–21

2.20 Network or Modem Connection Problems . . . 2–22

3 Illustrated Parts Catalog

3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . 3–1

3.2 Computer System Major Components . . . . . . . . . . . . 3–2

3.3 Plastics and Hardware Kit Components. . . . . . . . . . . 3–8

3.4 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . . 3–9

3.5 Miscellaneous. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–10

4 Removal and Replacement Preliminaries

4.1 Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1

4.2 Service Considerations. . . . . . . . . . . . . . . . . . . . . . . . 4–2

Plastic Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–2

Cables and Connectors . . . . . . . . . . . . . . . . . . . . . . . 4–2

4.3 Preventing Damage to Removable Drives . . . . . . . . . 4–3

4.4 Preventing Electrostatic Damage . . . . . . . . . . . . . . . . 4–4

4.5 Packaging and Transporting Precautions . . . . . . . . . . 4–4

4.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 4–5

4.7 Grounding Equipment and Methods . . . . . . . . . . . . . 4–6

5 Removal and Replacement Procedures

5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2

5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . . 5–3

5.3 Preparing the Computer for Disassembly . . . . . . . . . 5–4

5.4 Memory Expansion Board . . . . . . . . . . . . . . . . . . . . . 5–8

5.5 Computer Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–10

5.6 Switch Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11

5.7 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–13

5.8 Fan Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–16

5.9 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–18

5.10 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–20

Maintenance and Service Guide

Contents

5.11 Top Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–24

5.12 Speaker Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5–28

5.13 Disk Cell RTC Battery . . . . . . . . . . . . . . . . . . . . . . 5–30

5.14 Mini PCI Communications Board . . . . . . . . . . . . . 5–31

5.15 Sub I/O Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–33

5.16 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–36

6 Specifications

A Connector Pin Assignments

B Power Cord Set Requirements

3-Conductor Power Cord Set . . . . . . . . . . . . . . . . . . . . . . B–1

General Requirements . . . . . . . . . . . . . . . . . . . . . . . . B–1

Country-Specific Requirements . . . . . . . . . . . . . . . . . . . . B–2

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–2

Screw Listing

Index

Maintenance and Service Guide

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