HP Pavilion dv4000 - notebook pc Manuale

Maintenance and Service

Guide

HP Pavilion dv4000 Notebook PC

Compaq Presario V4000 Notebook PC

Document Part Number: 377367-002

August 2005

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.

Microsoft and Windows are U.S. registered trademarks of Microsoft

Corporation. Intel, Pentium, and Celeron are trademarks or registered

trademarks of Intel Corporation or its subsidiaries in the United States and

other countries. Bluetooth is a trademark owned by its proprietor and used

by Hewlett-Packard Company under license. SD Logo is a trademark of its

proprietor.

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 editorial errors or omissions contained herein.

Maintenance and Service Guide

HP Pavilion dv4000 Notebook PC

Compaq Presario V4000 Notebook PC

Second Edition August 2005

First Edition March 2005

Document Part Number: 377367-002

Maintenance and Service Guide iii

Contents

1 Product Description

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

1.2 Resetting the Notebook . . . . . . . . . . . . . . . . . . . . . . . 1–4

1.3 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1–4

1.4 External Components . . . . . . . . . . . . . . . . . . . . . . . . 1–5

1.5 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–24

2 Troubleshooting

2.1 Computer Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1

Accessing Computer Setup . . . . . . . . . . . . . . . . . . . . 2–2

Computer Setup Defaults . . . . . . . . . . . . . . . . . . . . . 2–2

Selecting from the File Menu . . . . . . . . . . . . . . . . . . 2–3

Selecting from the Security Menu . . . . . . . . . . . . . . 2–4

Selecting from the Tools Menu. . . . . . . . . . . . . . . . . 2–5

Selecting from the Advanced Menu . . . . . . . . . . . . . 2–6

2.2 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . . 2–7

iv Maintenance and Service Guide

Contents

3 Illustrated Parts Catalog

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

3.2 Notebook Major Components. . . . . . . . . . . . . . . . . . 3–2

3.3 Display Assembly Subcomponents. . . . . . . . . . . . . 3–12

HP Pavilion dv4000 Models . . . . . . . . . . . . . . . . . . 3–12

3.4 Display Assembly Subcomponents. . . . . . . . . . . . . 3–14

Compaq Presario V4000 Models . . . . . . . . . . . . . . 3–14

3.5 Miscellaneous Doors/Covers Kit . . . . . . . . . . . . . . 3–16

3.6 Miscellaneous Cable Kit . . . . . . . . . . . . . . . . . . . . . 3–17

3.7 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–18

3.8 Miscellaneous (Not Illustrated). . . . . . . . . . . . . . . . 3–20

3.9 Sequential Part Number Listing . . . . . . . . . . . . . . . 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 . . . . . . . . . 4–5

4.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 4–6

4.7 Grounding Equipment and Methods . . . . . . . . . . . . . 4–7

Contents

Maintenance and Service Guide v

5 Removal and Replacement Procedures

5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1

5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . 5–2

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

5.4 Hard Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–6

5.5 Notebook Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–10

5.6 Optical Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–12

5.7 Memory Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–14

5.8 Mini PCI Communications Card. . . . . . . . . . . . . . . 5–16

5.9 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–18

5.10 Heat Sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–19

5.11 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–22

5.12 Switch Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–24

5.13 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–25

5.14 Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5–30

5.15 Top Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–46

5.16 Base Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–50

5.17 Modem Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–54

5.18 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–56

5.19 Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–70

5.20 Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–72

5.21 USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–74

5.22 Bluetooth Board . . . . . . . . . . . . . . . . . . . . . . . . . . 5–77

vi Maintenance and Service Guide

Contents

6 Specifications

A Connector Pin Assignments

B Power Cord Set Requirements

C Screw Listing

D Display Component Recycling

Index

Maintenance and Service Guide 1–1

Product Description

The HP Pavilion dv4000 Notebook PC 1and Compaq

Presario V4000 Notebook PC 2offer advanced modularity,

Intel® Pentium® M and Celeron® M processors, and extensive

multimedia support.

HP Pavilion dv4000 Notebook PC and Compaq Presario V4000

Notebook PC

1–2 Maintenance and Service Guide

Product Description

1.1 Features

■Intel Pentium M 2.00-, 1.73-, 1.60-, or 1.50-GHz processors,

or Intel Celeron M 1.50-, 1.40-, or 1.30-GHz processors,

varying by notebook model

■15.4-inch, WXGA, TFT (1280 × 800) with BrightView

display, or 15.4-inch, WXGA, TFT (1280 × 800) display,

varying by notebook model

■100-, 80-, 60-, or 40-GB high-capacity hard drive, varying by

notebook model

■256-MB DDR synchronous DRAM (SDRAM) at 333 MHz,

expandable to 2.0 GB

■Microsoft® Windows® XP Home Edition or Windows XP

Professional, varying by notebook model

■Full-size Windows keyboard with embedded numeric keypad

■TouchPad pointing device, including dedicated horizontal

(Compaq Presario V4000 models) and vertical scroll regions

■Integrated 10Base-T/100Base-TX Ethernet local area

network (LAN) network interface card (NIC) with RJ-45 jack

■Integrated high-speed 56K modem with RJ-11 jack

■Integrated wireless support for Mini PCI IEEE 802.11b/g

WLAN device (select models only)

■Support for one Type I or Type II PC Card slot, with support

for both 32-bit (CardBus) and 16-bit PC Cards

■Support for ExpressCard slot

■External 65-watt AC adapter with 3-wire power cord

■12- or 6-cell Li-Ion battery pack, varying by notebook model

■Stereo speakers

■Volume up, volume mute, and volume down buttons

■QuickPlay buttons (select models only)

■Support for the following optical drives:

❏DVD±RW and CD-RW Combo Drive

❏DVD/CD-RW Combo Drive

Product Description

Maintenance and Service Guide 1–3

✎Numerous references are made throughout this Maintenance and

Service Guide to “full-featured” and “defeatured” models.

A model is considered to be full-featured if it has 4 Universal

Serial Bus ports and the following components:

■Digital Media Slot/Memory Reader

■Expansion port

■ExpressCard slot

■IEEE 1394 port

■Infrared port

■Quick Launch buttons (HP Pavilion dv4000 models only)

A notebook model is considered to be defeatured if it has only

2 Universal Serial Bus ports and none of the components listed

above.

■Connectors:

❏Audio-in (microphone)

❏Audio-out (headphone)

❏Digital Media Slot (full-featured models only)

❏Expansion port (full-featured models only)

❏ExpressCard slot (full-featured models only)

❏External monitor

❏IEEE 1394 (full-featured models only)

❏Infrared (full-featured models only)

❏PC Card

❏Power

❏Primary battery

❏RJ-11 (modem)

❏RJ-45 (network)

❏S-Video-out

❏Serial port (full-featured models only)

❏Smart card

❏Universal Serial Bus (USB) v. 2.0 (4 ports on full-featured

models, 2 ports on defeatured models)

1–4 Maintenance and Service Guide

Product Description

1.2 Resetting the Notebook

If the notebook you are servicing has an unknown password,

follow these steps to clear the password. These steps also

clear CMOS:

1. Enter an incorrect password and press enter.

2. Repeat step 1 2 times.

After the third entry of the incorrect password, the notebook

responds with a “System Disabled” message and provides an

override password.

3. Access MS/DOS by clicking Start > All Programs >

Accessories > Command Prompt.

4. Enter “unlock6 xxxxx 0,” where “xxxxx” is the password

generated by the notebook in step 2.

The notebook responds with another system-generated

password. This password can be used to reset the notebook

and clear all CMOS settings.

1.3 Power Management

The notebook comes with power management features that

extend battery operating time and conserve power. The

notebook supports the following power management features:

■Standby

■Hibernation

■Setting customization by the user

■Hotkeys for setting the level of performance

■Battery calibration

■Lid switch standby/resume

■Power/standby button

■Advanced Configuration and Power Management (ACPM)

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