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Pavilion dv1400 Entertainment
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HP Pavilion dv1400 Entertainment, Compaq nx4820, Compaq Presario V2400 Maintenance and Service Guide

Maintenance and Service Guide
HP Pavilion dv1400 Entertainment Notebook PC
HP Compaq nx4820 Notebook PC
Compaq Presario V2400 Notebook PC
Document Part Number: 396166-002
November 2005
© Copyright 2005 Hewlett-Packard Development Company, L.P.
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.
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 dv1400 Entertainment Notebook PC HP Compaq nx4820 Notebook PC Compaq Presario V2400 Notebook PC Second Edition November 2005 First Edition June 2005 Document Part Number: 396166-002

Contents

1 Product Description
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.2 Resetting the Computer. . . . . . . . . . . . . . . . . . . . . . . 1–4
1.3 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
1.4 External Components . . . . . . . . . . . . . . . . . . . . . . . . 1–6
1.5 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–36
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
Maintenance and Service Guide iii
Contents
3 Illustrated Parts Catalog
3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3–1
3.2 Computer Major Components. . . . . . . . . . . . . . . . . . 3–2
3.3 Miscellaneous Plastics Kit . . . . . . . . . . . . . . . . . . . 3–20
3.4 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–22
3.5 Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–25
3.6 Sequential Part Number Listing . . . . . . . . . . . . . . . 3–27
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 . . . . . . . . . . . . . 4–6
iv Maintenance and Service Guide
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 . . . . . . . . . 5–5
5.4 Hard Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7
5.5 Computer Feet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11
5.6 Memory Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–12
5.7 Mini PCI Communications Module . . . . . . . . . . . . 5–15
5.8 Optical Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–18
5.9 Switch Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–20
5.10 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–26
5.11 Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5–32
5.12 Base Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–37
5.13 USB/S-Video Controller Board . . . . . . . . . . . . . . 5–44
5.14 Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . . . . 5–46
5.15 Speaker Assembly. . . . . . . . . . . . . . . . . . . . . . . . . 5–48
5.16 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–50
5.17 Menu Control Button Board . . . . . . . . . . . . . . . . . 5–52
5.18 Heat Sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–55
5.19 Fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–57
5.20 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–59
5.21 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–61
5.22 LED Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–68
Contents
Maintenance and Service Guide v
Contents
6 Specifications
A Connector Pin Assignments
B Power Cord Set Requirements
C Screw Listing
D Display Component Recycling
Index
vi Maintenance and Service Guide
1

Product Description

The HP Pavilion dv1400 Entertainment Notebook PC 1 and the HP Compaq nx4820 Notebook PC and Compaq Presario V2400 Notebook PC (both represented by 2) offer advanced modularity, Intel® Pentium® M and Celeron® M processors, and extensive multimedia support.
HP Pavilion dv1400, HP Compaq nx4820, and Compaq Presario V2400
Maintenance and Service Guide 1–1
Product Description

1.1 Features

■ The following processors are available, varying by
computer model:
❏ Intel Pentium M 770 (2.13-GHz) with 400-MHz FSB
❏ Intel Pentium M 760 (2.0-GHz) with 400-MHz FSB
❏ Intel Pentium M 750 (1.8-GHz) with 400-MHz FSB
❏ Intel Pentium M 740 (1.7-GHz) with 400-MHz FSB
❏ Intel Pentium M 735a (1.7-GHz) with 400-MHz FSB
❏ Intel Pentium M 730 (1.6-GHz) with 400-MHz FSB
❏ Intel Pentium M 725 (1.6-GHz) with 400-MHz FSB
❏ Intel Celeron M 380 (1.6-GHz) with 400-MHz FSB
❏ Intel Celeron M 370 (1.4-GHz) with 400-MHz FSB
❏ Intel Celeron M 360 (1.4-GHz) with 400-MHz FSB
❏ Intel Celeron M 350 (1.3-GHz) with 400-MHz FSB
■ 14.0-inch WXGA (1280 × 768) TFT display with over
16.7 million colors, varying by computer model
■ 80-, 60-, or 40-GB high-capacity hard drive, varying by
computer model
■ 256-MB DDR synchronous DRAM (SDRAM) at 266 MHz,
expandable to 2.0 GB on models with Intel Mobile Pentium M processors and 1.0 GB on models with Intel Celeron M processors
■ Microsoft® Windows® XP Home Edition or Windows XP
Professional, or Free DOS, varying by computer model
■ Full-size Windows keyboard with embedded numeric keypad
■ TouchPad pointing device with on button and dedicated
two-way scroll region
■ Integrated 10/100 BASE-T Ethernet local area network
(LAN) network interface card (NIC) with RJ-45 jack
■ Integrated high-speed 56K modem with RJ-11 jack
1–2 Maintenance and Service Guide
Product Description
■ Integrated wireless support for Mini PCI IEEE 802.11b and
802.11b/g WLAN device
■ Support for one Type II PC Card slots, with support for both
32-bit (CardBus) and 16-bit PC Cards
■ External 65-watt AC adapter with 3-wire power cord
■ 6-cell or 12-cell Li-Ion battery pack
■ Stereo speakers with volume up and down buttons
■ Support for the following optical drives:
❏ DVD+RW/R and CD-RW Double Layer Combo Drive
with LightScribe
❏ DVD+RW/R and CD-RW Double Layer Combo Drive
❏ DVD/CD-RW Combo Drive
❏ DVD-ROM Drive
■ Connectors:
❏ External monitor
❏ Universal Serial Bus (USB) v. 2.0
❏ RJ-11 (modem)
❏ RJ-45 (network)
❏ Audio-out (headphone)
❏ Audio-in (microphone)
❏ Power
❏ IEEE 1394 digital (select models only)
❏ S-Video-out (select models only)
❏ Infrared (HP Pavilion models only)
❏ Parallel
❏ Serial
❏ Docking (select models only)
❏ Digital memory card reader (select models only)
Maintenance and Service Guide 1–3
Product Description

1.2 Resetting the Computer

If the computer 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 real time clock (RTC) battery (refer to
Section 5.16, “RTC Battery,” for more information).
3. Wait approximately 5 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 have been cleared.
1–4 Maintenance and Service Guide

1.3 Power Management

The computer comes with power management features that extend battery operating time and conserve power. The computer 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 button
■ Advanced Configuration and Power Management (ACPM)
compliance
Product Description
Maintenance and Service Guide 1–5
Product Description

1.4 External Components

The external components on the front of the HP Pavilion dv1400 are shown below and described in Table 1-1.
Front Components, HP Pavilion dv1400
1–6 Maintenance and Service Guide
Product Description
Tabl e 1-1
Front Components
HP Pavilion dv1400
Item Component Function
1 Speakers (2) Produce stereo sound.
2Power light ■ On: Computer is turned on.
■ Blinking: Computer is in standby.
■ Off: Computer is off.
3 IDE (Integrated Drive
Electronics) drive light
4Battery light ■ Amber: The battery pack is charging.
5 Display release latch Opens the computer.
6Audio-in
(microphone) jack
7Audio-out
(headphone) jack (2)
On or blinking: The internal hard drive or an optical drive is being accessed.
■ Green: The battery pack is fully charged.
■ Off: The battery pack is discharging
or not inserted.
Connects an optional monaural (single sound channel) microphone.
Connect optional headphones or powered stereo speakers. Also connect the audio function of an audio/video device such as a television or VCR.
Maintenance and Service Guide 1–7
Product Description
The external components on the front of the HP Compaq nx4820 and Compaq Presario V2400 are shown below and described in Table 1-2.
Front Components, HP Compaq nx4820 and Compaq Presario V2400
1–8 Maintenance and Service Guide
Tabl e 1-2
Front Components
HP Compaq nx4820 and Compaq Presario V2400
Item Component Function
1 Speakers (2) Produce stereo sound.
Product Description
2 Wireless button light
(select models only)
3Power light ■ On: Computer is turned on.
4 IDE (Integrated Drive
Electronics) drive light
5Battery light ■ Amber: The battery pack is charging.
6 Display release latch Opens the computer.
7Audio-in
(microphone) jack
8Audio-out
(headphone) jack (2 on HP Pavilion dv1400 models)
On: An integrated wireless device is hardware enabled.
■ Blinking: Computer is in standby.
■ Off: Computer is off.
■ On or blinking: The internal hard drive
or an optical drive is being accessed.
■ Green: The battery pack is fully charged.
■ Off: The battery pack is discharging
or not inserted.
Connects an optional monaural (single sound channel) microphone.
Connect optional headphones or powered stereo speakers. Also connect the audio function of an audio/video device such as a television or VCR.
Maintenance and Service Guide 1–9
Product Description
The external components on the right side of the HP Pavilion dv1400 are shown below and described in Table 1-3.
Right-Side Components, HP Pavilion dv1400
1–10 Maintenance and Service Guide
Product Description
Tabl e 1-3
Right-Side Components
HP Pavilion dv1400
Item Component Function
1 USB connectors (2) Connect an optional USB device.
2 6-in-1 Digital Media
Reader (select models only)
3 1394 port
(select models only)
4 6-in-1 Digital Media
Reader light (select models only)
5 Optical drive Supports an optical disc.
6S-Video-out jack
(select models only)
In Windows, supports digital memory cards.
Connects an optional 1394a device such as a scanner, digital camera, or digital camcorder.
On: A digital memory card is being accessed.
Connects an optional S-Video device, such as a television, VCR, camcorder, projector, or video capture card.
Maintenance and Service Guide 1–11
Product Description
The external components on the right side of the HP Compaq nx4820 and Compaq Presario V2400 are shown below and described in Table 1-4.
Right-Side Components, HP Compaq nx4820 and Compaq Presario V2400
1–12 Maintenance and Service Guide
Product Description
Tabl e 1-4
Right-Side Components
HP Compaq nx4820 and Compaq Presario V2400
Item Component Function
1 USB connectors (2) Connect an optional USB device.
2 Digital memory card
reader (select models only)
3 1394 port
(select models only)
4 Digital memory card
reader light (select models only)
5 Optical drive Supports an optical disc.
6S-Video-out jack
(select models only)
In Windows, supports digital memory cards.
Connects an optional 1394 device such as a scanner, digital camera, or digital camcorder.
On: A digital memory card is being accessed.
Connects an optional S-Video device, such as a television, VCR, camcorder, projector, or video capture card.
Maintenance and Service Guide 1–13
Product Description
The external components on the rear and left side of the HP Pavilion dv1400 are shown below and described in Table 1-5.
Rear and Left-Side Components, HP Pavilion dv1400
1–14 Maintenance and Service Guide
Tabl e 1-5
Rear and Left-Side Components
HP Pavilion dv1400
Item Component Function
Product Description
1 Wireless light
(select models only)
2 Exhaust vent Provides airflow to cool internal
3 Power connector Connects an AC adapter cable.
4 External monitor port Connects an optional VGA external monitor
5 Expansion port Connects the computer to an optional
6 RJ-45 (network) jack Connects an optional network cable.
7 RJ-11 (modem) jack Connects the modem cable.
8 USB connector Connects an optional USB device.
9 PC Card slot Supports an optional Type I or Type II 32-bit
On: An integrated wireless device is hardware enabled.
components.
To prevent overheating, do not
Ä
obstruct vents. Do not allow a hard surface, such as a printer, or a soft surface, such as pillows, thick rugs or clothing, to block airflow.
or projector.
expansion base.
(CardBus) or 16-bit PC Card. Also serves as a storage location for the
optional HP Mobile Remote Control.
10 PC Card eject button Ejects an optional PC Card from the
PC Card slot.
11 Security cable slot Attaches an optional security cable to the
computer.
Maintenance and Service Guide 1–15
Product Description
The external components on the rear and left side of the HP Compaq nx4820 and Compaq Presario V2400 are shown below and described in Table 1-6.
Rear and Left-Side Components, HP Compaq nx4820 and Compaq Presario V2400
1–16 Maintenance and Service Guide
Product Description
Tabl e 1-6
Rear and Left-Side Components
HP Compaq nx4820 and Compaq Presario V2400
Item Component Function
1 Exhaust vent Provide airflow to cool internal components.
To prevent overheating, do not
Ä
obstruct vents. Do not allow a hard surface, such as a printer, or a soft surface, such as pillows, thick rugs or clothing, to block airflow.
2 Power connector Connects an AC adapter cable.
3 External monitor port Connects an optional VGA external monitor
or projector.
4 Expansion port Connects the computer to an optional
expansion base.
5 RJ-45 (network) jack Connects an optional network cable.
6 RJ-11 (modem) jack Connects the modem cable.
7 USB connector Connects an optional USB device.
8 PC Card slot Supports an optional Type I or Type II 32-bit
(CardBus) or 16-bit PC Card.
9 PC Card eject button Ejects an optional PC Card from the
PC Card slot.
10 Security cable slot Attaches an optional security cable to the
computer.
Maintenance and Service Guide 1–17
Product Description
The keyboard components on the HP Pavilion dv1400 are shown below and described in Table 1-7.
Keyboard Components, HP Pavilion dv1400
1–18 Maintenance and Service Guide
Product Description
Table 1-7
Keyboard Components
HP Pavilion dv1400
Item Component Function
1 fn key Combines with other keys to perform
system tasks. For example, pressing fn+f7 decreases screen brightness.
2 caps lock key Enables caps lock and turns on the
caps lock light.
3 f1 to f12 keys (12) Perform system and application tasks.
When combined with the fn key, several keys and buttons perform additional tasks as hotkeys.
4 num lock key Enables numeric lock, turns on the
embedded numeric keypad, and turns on the num lock light.
5 Keypad keys (15) In Windows, can be used like the keys
on an external numeric keypad.
6 Arrow keys Move the cursor around the screen.
7Windows
applications key
8 Windows logo key In Windows, displays the Windows
Maintenance and Service Guide 1–19
In Windows, displays a shortcut menu for items beneath the pointer.
Start menu.
Product Description
The keyboard components on the HP Compaq nx4820 and Compaq Presario V2400 are shown below and described in Table 1-8.
Keyboard Components, HP Compaq nx4820 and Compaq Presario V2400
1–20 Maintenance and Service Guide
Product Description
Table 1-8
Keyboard Components
HP Compaq nx4820 and Compaq Presario V2400
Item Component Function
1 fn key Combines with other keys to perform
system tasks. For example, pressing fn+f7 decreases screen brightness.
2 caps lock key Enables caps lock and turns on the
caps lock light.
3 f1 to f12 keys (12) Perform system and application tasks.
When combined with the fn key, several keys and buttons perform additional tasks as hotkeys.
4 num lock key Enables numeric lock, turns on the
embedded numeric keypad, and turns on the num lock light.
5 Keypad keys (15) In Windows, can be used like the keys
on an external numeric keypad.
6 Arrows keys Move the cursor around the screen.
7Windows
applications key
8 Windows logo key In Windows, displays the Windows
Maintenance and Service Guide 1–21
In Windows, displays a shortcut menu for items beneath the pointer.
Start menu.
Product Description
The top components on the HP Pavilion dv1400 are shown below and described in Table 1-9.
Top Components, Part 1, HP Pavilion dv1400
Tabl e 1-9
Top Components, Part 1
HP Pavilion dv1400
Item Component Function
1 Display switch If the computer is closed while on, turns off
the display.
2 Power button When the computer is
■ Off, press to turn on the computer.
■ On, briefly press to initiate Hibernation.
■ In Standby, briefly press to resume
from Standby.
■ In Hibernation, briefly press to restore from Hibernation.
1–22 Maintenance and Service Guide
Tabl e 1-9
Top Components, Part 1
Product Description
HP Pavilion dv1400
Item Component Function
3 DVD button When the computer is
■ Off, opens QuickPlay DVD mode.
■ On in Windows, opens the default
■ On in QuickPlay music mode, opens
■ On in QuickPlay DVD mode, displays
■ In Standby, resumes from Standby
■ In Hibernation, opens QuickPlay
4 Music button When the computer is
■ Off, opens QuickPlay music mode.
■ On in Windows, opens the default
■ On in QuickPlay DVD mode, opens
■ In Standby, resumes from Standby
■ In Hibernation, opens QuickPlay
(Continued)
Windows DVD application.
QuickPlay DVD mode.
the DVD setup menu.
into Windows.
DVD mode.
Windows music application.
QuickPlay music mode.
into Windows.
music mode.
5 Previous/Rewind
Button
6 Play/Pause button When a disc is in the optical drive and is:
Maintenance and Service Guide 1–23
When a disc is in the optical drive:
■ Press to play the previous track or chapter.
■ Press fn+this button to rewind.
■ Not playing, press to play the disc.
■ Playing, press to pause the disc.
Product Description
The top components on the HP Pavilion dv1400 are shown below and described in Table 1-10.
Top Components, Part 2, HP Pavilion dv1400
1–24 Maintenance and Service Guide
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