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Maintenance and Service Guide
b
Maintenance and Service Guide
Compaq Evo N115 Series
Document Part Number: 263816-001
January 2002
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.
© 2002 Compaq Information Technologies Group, L.P.
Compaq, the Compaq logo, and Evo are trademarks of Compaq Information
Technologies Group, L.P. in the U.S. and/or other countries.
Microsoft and Windows are trademarks of Microsoft Corporation in the U.S.
and/or other countries.
Athlon, Duron, and PowerNow! are trademarks of the AMD Corporation in the
U.S. and/or other countries.
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 January 2002
Document Part Number: 263816-001
Contents
1 Product Description
1.1 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–8
1.3 Clearing a Password . . . . . . . . . . . . . . . . . . . . . . . . . . 1–9
1.4 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . 1–10
1.5 Computer External Components . . . . . . . . . . . . . . . 1–11
1.6 Design Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–22
2 Troubleshooting
2.1 Using the PhoenixBIOS Setup Utility . . . . . . . . . . . . 2–1
2.2 Troubleshooting Flowcharts. . . . . . . . . . . . . . . . . . . . 2–2
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 Cable Kit Components . . . . . . . . . . . . . . . . . . . . . . . . 3–9
3.5 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–10
3.6 Miscellaneous. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–12
Maintenance and Service Guide
iii
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11
5.5 Memory Expansion Board . . . . . . . . . . . . . . . . . . . . 5–11
5.6 Mini PCI Communications Board . . . . . . . . . . . . . . 5–13
5.7 Optical Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–16
5.8 LED Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–18
5.9 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–20
5.10 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–22
5.11 Heat Spreader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–28
5.12 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–34
5.13 Disk Cell RTC Battery . . . . . . . . . . . . . . . . . . . . . . 5–36
5.14 Top Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–38
5.15 Diskette Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–42
5.16 Charger Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–46
5.17 Left Side Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–48
5.18 Right Side Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–50
5.19 Speaker Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5–52
5.20 Audio Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–54
5.21 Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–56
5.22 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–58
iv
Maintenance and Service Guide
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
C Screw Listing
Index
Maintenance and Service Guide
v
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