Compaq Evo N620c Manual

b
Maintenance and Service Guide
Compaq Evo Notebook N620c Series
Compaq Evo Notebook N610c Series
Compaq Evo Notebook N610v Series
Compaq Evo Notebook N600c Series
Document Part Number: 279362-003
May 2003
This guide is a troubleshooting reference used for maintaining
and servicing the notebook. It provides comprehensive
information on identifying notebook features, components, and
spare parts, troubleshooting notebook problems, and performing
notebook disassembly procedures.

© 2003 Hewlett-Packard Development Company, L.P.
Microsoft and Windows are trademarks of Microsoft Corporation in the U.S.
and/or other countries. Intel, Pentium, and SpeedStep are trademarks of Intel
Corporation in U.S. and/or other countries.
The information contained herein is subject to change without notice. The only
warranties for HP products and services are set forth in the express warranty
statements accompanying such products and services. Nothing herein should be
construed as constituting an additional warranty. HP shall not be liable for
technical or editorials errors or omissions contained herein.
Maintenance and Service Guide
Third Edition May 2003
First Edition July 2002
Document Part Number: 279362-003

Maintenance and Service Guide iii
Contents
1 Product Description
1.1 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–29
1.3 Clearing a Password. . . . . . . . . . . . . . . . . . . . . . . . 1–31
1.4 Power Management . . . . . . . . . . . . . . . . . . . . . . . . 1–31
1.5 Notebook External Components . . . . . . . . . . . . . . 1–32
1.6 Design Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 1–45
2 Troubleshooting
2.1 Computer Setup and Diagnostics Utilities . . . . . . . . 2–1
Selecting from the File Menu . . . . . . . . . . . . . . . . . 2–3
Selecting from the Security Menu . . . . . . . . . . . . . . 2–4
Selecting from the Advanced Menu. . . . . . . . . . . . . 2–5
2.2 Using Compaq Diagnostics . . . . . . . . . . . . . . . . . . . 2–7
Obtaining, Saving, or Printing
Configuration Information . . . . . . . . . . . . . . . . . . . . 2–7
Obtaining, Saving, or Printing Diagnostic
Test Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
2.3 Troubleshooting Flowcharts. . . . . . . . . . . . . . . . . . 2–10

iv Maintenance and Service Guide
Contents
3 Illustrated Parts Catalog
3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3–1
3.2 Notebook System Major Components . . . . . . . . . . . 3–2
3.3 Miscellaneous Plastics Kit Components . . . . . . . . 3–16
3.4 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . 3–18
3.5 Miscellaneous. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–22
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 . . . . . . . . . . . . . . . . . . 5–2
5.3 Preparing the Notebook for Disassembly . . . . . . . . 5–4
5.4 Notebook Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11
5.5 Mini PCI Communications Board . . . . . . . . . . . . . 5–12
5.6 Disk Cell RTC Battery. . . . . . . . . . . . . . . . . . . . . . 5–15
5.7 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–17
5.8 Memory Expansion . . . . . . . . . . . . . . . . . . . . . . . . 5–22
5.9 TouchPad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–25

Contents
Maintenance and Service Guide v
5.10 Switch Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–27
5.11 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–29
5.12 Top Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–32
5.13 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–35
5.14 Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–42
5.15 Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–46
5.16 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–50
5.17 DC-DC Converter Board . . . . . . . . . . . . . . . . . . . . 5–52
5.18 Modem Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–54
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
C Screw Listing
Index

Maintenance and Service Guide 1–1
1
Product Description
The Compaq Evo Notebook N620c, N610c, N610v, and N600c
Series offer advanced modularity, Mobile Intel Pentium 4 and
Pentium III processors with 64-bit architecture, industry-leading
Accelerated Graphics Port (AGP) implementation, and extensive
multimedia support.
Figure 1-1. Compaq Evo Notebook N620c, N610c, N610v,
and N600c Series

1–2 Maintenance and Service Guide
Product Description
1.1 Models
Computer models are shown in Tables 1-1 through 1-5.
Table 1-1
Compaq Evo Notebook N620c, N610c, N610v, and N600c
Model Naming Conventions
Key
N620 P4 200 P4 40 V C 25 O XXXXXX-XXX
123456789 10
Key Description Options
1Brand/Series
designator
N = Notebook 620 = N620c series
6c = N610c series
6v = N610v series
600 = N600c series
2 Processor type P4 = Intel Pentium 4 P3 = Intel Pentium III
P = Intel Pentium-M
3 Processor speed 200 = 2.0 Ghz
190 = 1.9 GHz
180 = 1.8 GHz
170 = 1.7 GHz
160 = 1.6 GHz
150 = 1.5 GHz
140 = 1.4 GHz
130 = 1.3 GHz
106 = 1.06 GHz
866 = 866 MHz

Product Description
Maintenance and Service Guide 1–3
4 Display type/
size/resolution
P = SXGA+ (1400 × 1050)
X = XGA (1024 × 768)
4 = 14.x-inch
5 Hard drive size 60 = 60 GB
40 = 40 GB
30 = 30 GB
20 = 20 GB
15 = 15 GB
10 = 10 GB
6 Optical drive
designator
W = DVD-RW drive
V = DVD-ROM drive
R = CD-RW drive
D = CD-ROM drive
7 Integrated
communication
M = Modem
0 = None
C = Modem/NIC
combination card
8 RAM 51 = 512 MB
38 = 384 MB
25 = 256 MB
12 = 128 MB
9 Operating system 8 = Windows 98 SE
6 = Windows 2000
and Windows XP
2 = Windows 2000
O = Windows XP Pro
E = Windows XP
Home
10 SKU#
Table 1-1
Compaq Evo Notebook N620c, N610c, N610v, and N600c
Model Naming Conventions
(Continued)

1–4 Maintenance and Service Guide
Product Description
Table 1-2
Compaq Evo Notebook N620c Models
The following Evo Notebook N620c models feature:
■Dual Stick pointing device (TouchPad and pointing stick)
■8-cell, 4.4-Ah lithium ion (Li ion) battery pack
■3-year warranty on parts, labor, and on-site, next business day response
■32 MB of discrete video memory
■no configuration code used
N620c P 140 X4 40 C X 25 2
United States DE267A ABA
N620c P 140 X4 40 C X 25 O
United States DE266A ABA
The following Evo Notebook N620c models feature:
■Dual Stick pointing device (TouchPad and pointing stick)
■8-cell, 4.4-Ah Li ion battery pack
■3-year warranty on parts and labor
■32 MB of discrete video memory
■configuration code KY2Z
N620c P 160 P4 60 C G 51 2
Brazil
French Canada
DE273A AC4
DE273A ABC
Latin America
United States
DE273A ABM
DE273A ABA
N620c P 160 P4 60 C G 51 O
Brazil
French Canada
DE272A AC4
DE272A ABC
Latin America
United States
DE272A ABM
DE272A ABA

Product Description
Maintenance and Service Guide 1–5
N620c P 150 P4 60 C G 51 2
Asia Pacific
Australia
Belgium
Czech Republic
Denmark
European
International
France
Germany
Greece
Hong Kong
Hungary
Iceland
India
Israel
Italy
Japan
Japan (English)
DE271A UUF
DE271A ABG
DE271A UUG
DE271A AKB
DE271A ABY
DE271A ABB
DE271A ABF
DE271A ABD
DE271A ABV
DE271A AB5
DE271A AKC
DE271A A2M
DE271A ACJ
DE271A ABT
DE271A ABZ
DE271A ABJ
DE271A ACF
Korea
The Netherlands
Norway
People’s
Republic
of China
Poland
Portugal
Russia
Saudi Arabia
Slovenia
Spain
Sweden/Finland
Switzerland
Ta i w a n
Thailand
Tu r k ey
United Kingdom
DE271A AB1
DE271A ABH
DE271A ABN
DE271A AB2
DE271A AKD
DE271A AB9
DE271A ACB
DE271A ABV
DE271A AKN
DE271A ABE
DE271A AK8
DE271A UUZ
DE271A AB0
DE271A AKL
DE271A AB8
DE271A ABU
Table 1-2
Compaq Evo Notebook N620c Models
(Continued)