Compaq Evo N200 Manual

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Maintenance and Service Guide

Compaq Evo N200 Series

Document Part Number: 233117-001

September 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 and the Compaq logo Registered in U. S. Patent and Trademark Office.

Evo is a trademark of Compaq Information Technologies Group, L.P.

Microsoft and Windows are trademarks of Microsoft Corporation.

Intel and Pentium 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 (September 2001)

Document Part Number: 233117-001

Maintenance and Service Guide iii

Contents

1 Product Description

1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2

1.2 Clearing a Password. . . . . . . . . . . . . . . . . . . . . . . . . . 1–4

1.3 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5

1.4 Computer External Components . . . . . . . . . . . . . . . . 1–6

1.4 Design Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–16

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

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

iv Maintenance and Service Guide

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 Miscellaneous Plastics Kit Components . . . . . . . . . . 3–6

3.4 Cable Kit Components . . . . . . . . . . . . . . . . . . . . . . . . 3–7

3.5 Miscellaneous Spare Parts . . . . . . . . . . . . . . . . . . . . . 3–8

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 Computer Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–5

5.5 Modem/NIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–6

5.6 LED Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–9

5.7 Microphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–10

5.8 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11

5.9 LED Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–12

5.10 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–15

5.11 Top Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–18

Maintenance and Service Guide v

5.12 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–22

5.13 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–24

5.14 Charger Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–27

5.15 Modem/NIC Cable . . . . . . . . . . . . . . . . . . . . . . . . . 5–29

5.16 Audio Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–31

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–3

C Screw Listing

Index

Maintenance and Service Guide 1–1

Product Description

The Compaq Evo N200 Series of Personal Computers offers

advanced modularity, a 700-MHz Intel Pentium III processor

with 64-bit architecture, industry-leading Accelerated Graphics

Port (AGP) implementation, and extensive multimedia support.

The computer provides desktop functionality and connectivity

through the optional Mobile Expansion Unit (MEU).

✎All Evo N200 computer models havean SKU number of

243420-B21 and a config. code of KCJZ.

Figure 1-1. Compaq Evo N200

1–2 Maintenance and Service Guide

Product Description

1.1 Features

The computer has the following features:

■Intel Pentium III 700-MHz processor, with 256-KB

integrated cache

■ATI Mobility M1, 8-MB SDRAM

■192 MB standard memory (64 MB integrated on system

board, 128 MB in memory expansion compartment)

■Microsoft Windows 2000

■10.4-inch, XGA, TFT (1024 × 768) display, with over 16.8

million colors

■TouchPad pointing device

■Mini PCI V.90 modem plus 10/100 NIC combination card

■Support for one Type II PC Card slot with support for both

32-bit CardBus and 16-bit PC Cards

Product Description

Maintenance and Service Guide 1–3

■External AC adapter with power cord

■Support for a 6-cell Lithium ion (Li ion) primary battery pack

in the battery bay and an optional external 4-cell Li ion

■20-GB high-capacity hard drive

■Speaker

■Connectors for:

❏RJ-45 network

❏RJ-11 modem

❏External monitor

❏Mobile Expansion Unit (MEU)

❏Stereo speaker/headphone

❏Microphone

❏Universal serial bus (USB)

❏AC power

1–4 Maintenance and Service Guide

Product Description

1.2 Clearing a Password

If the notebook you are servicing has an unknown password,

follow these steps to clear the password. These steps also clear

CMOS:

1. Prepare the computer for disassembly. Refer to Section 5.3,

“Preparing the Computer for Disassembly,” for more

information.

2. Remove the RTC battery (refer to Section 5.12, “RTC

Battery”).

3. Wait approximately five minutes.

4. Replace the RTC battery and reassemble the computer.

5. Connect AC power to the computer. Do not reinsert any

battery packs at this time.

6. Turn on the computer.

All passwords and all CMOS settings are clear.

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