HP Compaq nx6110 Manual

Maintenance and Service
Guide
HP Compaq nx6110/nc6110 and
nx6120/nc6120 Notebook PCs
Document Part Number: 373146-001
February 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.

© 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 Compaq nx6110/nc6110 and nx6120/nc6120
Notebook PCs
First Edition February 2005
Document Part Number: 373146-001

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. . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
1.4 External Components . . . . . . . . . . . . . . . . . . . . . . . . 1–6
1.5 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–22
2 Troubleshooting
2.1 Computer Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
2.2 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . . 2–5
3 Illustrated Parts Catalog
3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3–1
3.2 Notebook Major Components . . . . . . . . . . . . . . . . . . 3–2
3.3 Miscellaneous Plastics Kit . . . . . . . . . . . . . . . . . . . 3–12
3.4 Miscellaneous Cable Kit . . . . . . . . . . . . . . . . . . . . . 3–13
3.5 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–14
3.6 Miscellaneous (Not Illustrated). . . . . . . . . . . . . . . . 3–15
3.7 Sequential Part Number Listing . . . . . . . . . . . . . . . 3–18
4 Removal and Replacement Preliminaries
4.1 Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1
4.2 Service Considerations . . . . . . . . . . . . . . . . . . . . . . . 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
Contents
5 Removal and Replacement Procedures
5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2
5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . 5–3
5.3 Preparing the Notebook for Disassembly . . . . . . . . . 5–5
5.4 Notebook Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–10
5.5 Bluetooth Board . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11
5.6 External Memory Module . . . . . . . . . . . . . . . . . . . . 5–12
5.7 Mini PCI Communications Card. . . . . . . . . . . . . . . 5–15
5.8 Optical Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–17
5.9 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–19
5.10 Switch Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–24
5.11 LED Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–26
5.12 Fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–28
5.13 Heat Sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–29
5.14 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–31
5.15 Modem Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–33
5.16 Internal Memory Module . . . . . . . . . . . . . . . . . . . 5–34
5.17 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–36
5.18 Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5–37
5.19 Top Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–40
5.20 Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–45
5.21 Digital Media Board . . . . . . . . . . . . . . . . . . . . . . . 5–48
5.22 USB/Audio Board . . . . . . . . . . . . . . . . . . . . . . . . . 5–50
5.23 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–52
5.24 Serial Connector Module . . . . . . . . . . . . . . . . . . . 5–55
6 Specifications
A Connector Pin Assignments
B Power Cord Set Requirements
C Screw Listing
Index

Maintenance and Service Guide 1–1
1
Product Description
The HP Compaq nx6110/nc6110 and nx6120/nc6120
Notebook PCs offer advanced modularity, Intel® Pentium® M
and Celeron® processors, and extensive multimedia support.
HP Compaq nx6110/nc6110 and nx6120/nc6120
Notebook PCs

1–2 Maintenance and Service Guide
Product Description
1.1 Features
■The following processors are available, varying by
notebook model:
❏Intel Pentium M 2.13-, 2.00-, 1.86-, 1.73-, 1.60-, or
1.30-GHz processor,
❏Intel Celeron 1.5- or 1.4-GHz
■The following displays are available, varying by
notebook model:
❏15.0-inch, SXGA+WVA, TFT (1400 × 1050) with over
16.8 million colors
❏15.0-inch, XGA, TFT (1280 × 800) with over 16.8 million
colors
❏14.1-inch, XGA, TFT (1280 × 800) with over 16.8 million
colors
■80-, 60-, 40-, or 30-GB high-capacity hard drive, varying by
notebook model
■256-MB DDR2 synchronous DRAM (SDRAM) at 400 and
533 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 a dedicated vertical
scroll region and a button that enables/disables TouchPad
operation.
■Integrated 10 Base-T/100 Base-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 or
802.11b/g WLAN device
■Support for one or two Type II PC Card slots, with support
for both 32-bit (CardBus) and 16-bit PC Cards, varying by
notebook model

Product Description
Maintenance and Service Guide 1–3
■External 65-watt AC adapter with 3-wire power cord, varying
by notebook model
■6-cell Li-Ion battery pack
■Stereo speakers
■Volume up, volume mute, and volume down buttons
(full-featured models only)
✎Numerous references are made throughout this Maintenance
and Service Guide to “full-featured” and “defeatured” units. A
notebook model is considered to be full-featured if it has
4Universal Serial Bus ports, 2 PC Card slots, and the following
components:
■Volume control buttons
■Info Center button
■Infrared port
■6-in-1 Digital Media Slot
■Serial port
■Parallel port
■S-Video-out jack
■Docking connector
A notebook model is considered to be defeatured if it has only
2Universal Serial Bus ports, 1 PC Card slot, and none of the
components in the preceding list.
■Support for the following optical drives:
❏DVD±RW and CD-RW Combo Drive
❏DVD/CD-RW Combo Drive
❏DVD-ROM drive
❏CD-ROM drive

1–4 Maintenance and Service Guide
Product Description
■Connectors:
❏Audio-out (headphone)
❏Audio-in (microphone)
❏Universal Serial Bus (USB) v. 2.0 (4 ports on full-featured
notebook models, 2 ports on defeatured notebook models)
❏Power
❏External monitor
❏RJ-11 (modem)
❏RJ-45 (network)
❏IEEE 1394
❏Travel battery
❏Infrared (full-featured models only)
❏Digital Media Slot (full-featured models only)
❏Parallel port (full-featured models only)
❏S-Video-out (full-featured models only)
❏Docking connector (full-featured models only)
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. Prepare the notebook for disassembly (refer to Section 5.3,
“Preparing the Notebook for Disassembly,” for more
information).
2. Remove the real-time clock (RTC) battery (refer to
Section 5.17, “RTC Battery,” for more information on
removing and replacing the RTC battery).

Product Description
Maintenance and Service Guide 1–5
3. Wait approximately 5 minutes.
4. Replace the RTC battery and reassemble the notebook.
5. Connect AC power to the notebook. Do not reinsert any
battery packs at this time.
6. Turn on the notebook.
All passwords and all CMOS settings have been cleared.
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)
compliance

1–6 Maintenance and Service Guide
Product Description
1.4 External Components
The external components on the front of the notebook are shown
below and described in Table 1-1.
Front Components
Table 1-1
Front Components
Item Component Function
1Infrared port
(full-featured models
only)
Provides wireless communication between
the notebook and an optional
IrDA-compliant device.
2Stereo speakers (2) Produce stereo sound.
3Display release latch Opens the notebook.

Product Description
Maintenance and Service Guide 1–7
4Wireless light On: an integrated wireless device has been
enabled.
5Power/standby light ■Green: The notebook is on.
■Blinking green: The notebook is in
standby mode.
■Off: The notebook is off or in hibernation.
6Battery light ■Amber: A battery pack is charging.
■Green: A battery pack is close to full
charge capacity.
■Blinking amber: A battery pack that is the
only available power source has reached
a low-battery condition. When the battery
reaches a critical low-battery condition,
the battery light begins blinking more
quickly.
■Off: If the notebook is connected to an
external power source, the light is turned
off when all batteries in the notebook are
fully charged. If the notebook is not
connected to an external power source,
the light is turned off until the battery
reaches a low-battery condition.
7Integrated Drive
Electronics (IDE) drive
light
Blinking: The hard drive or optical drive is
being accessed.
86-in-1 Digital Media
Slot (full-featured
models only)
Supports 6 optional digital memory card
formats: SD (Secure Digital) Memory Card,
MultiMediaCard, Memory Stick, Memory
Stick Pro, SmartMedia, and xD-Picture
Card.
96-in-1 Digital Media
Slot light (full-featured
models only)
On: A digital memory card is being
accessed.
Table 1-1
Front Components
(Continued)
Item Component Function

1–8 Maintenance and Service Guide
Product Description
The external components on the right side of the notebook are
shown below and described in Table 1-2.
Right-Side Components

Product Description
Maintenance and Service Guide 1–9
Table 1-2
Right-Side Components
Item Component Function
1Audio-out
(headphone) jack
Connect optional headphones or powered
stereo speakers. Also connects the audio
function of an audio/video device such as
atelevision or VCR.
2Audio-in
(microphone) jack
Connects an optional monaural
microphone.
3USB ports (2)
(full-featured models
only)
Connect USB 1.1- and 2.0-compliant
devices to the notebook using a standard
USB cable, or connect an optional External
MultiBay II to the notebook. The MultiBay II
must also be connected to an external
power source.
4Optical drive Supports an optical disc. The type of optical
drive varies by model.
5Serial port
(full-featured models
only)
Connects an optional serial device.

1–10 Maintenance and Service Guide
Product Description
The external components on the left side of the notebook are
shown below and described in Table 1-3.
Left-Side Components
Table 1-3
Left-Side Components
Item Component Function
1USB ports (2) Connect USB 1.1- and 2.0-compliant
devices to the notebook using a standard
USB cable, or connect an optional External
MultiBay II to the notebook. The MultiBay II
must also be connected to an external
power source.
2External monitor port Connects an optional VGA external monitor
or projector.

Product Description
Maintenance and Service Guide 1–11
3Exhaust vent Provides airflow to cool internal
components.
ÄTo prevent overheating, do not
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.
4RJ-11 (modem) jack Connects the modem cable.
5RJ-45 (network) jack Connects an optional network cable.
61394 port Connects an optional 1394a device such
as a scanner, digital camera, or digital
camcorder.
7PC Card slots (2 slots
on full-featured
models, 1 slot on
defeatured models)
Support an optional Type I, Type II, or
Typ e III 32-bit (CardBus) or 16-bit PC Card.
8PC Card eject buttons
(2 buttons on
full-featured models,
1button on defeatured
models)
Eject an optional PC Card from the
PC Card slot.
Table 1-3
Left-Side Components
(Continued)
Item Component Function

1–12 Maintenance and Service Guide
Product Description
The external components on the rear panel of the notebook are
shown below and described in Table 1-4.
Rear Panel Components

Product Description
Maintenance and Service Guide 1–13
Table 1-4
Rear Panel Components
Item Component Function
1Security cable slot Attaches an optional security cable to the
notebook.
ÄSecurity solutions are designed to
act as deterrents. These deterrents
may not prevent a product from
being mishandled or stolen.
2Battery bay Holds a battery pack.
3Power connector Connects an AC adapter or an optional
automobile or aircraft adapter.
4Parallel port
(full-featured models
only)
Connects an optional parallel device, such
as an external diskette drive or a printer.
5S-Video-out jack
(full-featured models
only)
Connects an optional S-Video device,
such as a television, VCR, camcorder,
projector, or video capture card.

1–14 Maintenance and Service Guide
Product Description
The standard keyboard components of the notebook are shown
below and described in Table 1-5.
Standard Keyboard Components

Product Description
Maintenance and Service Guide 1–15
Table 1-5
Standard Keyboard Components
Item Component Function
1f1 to f12 keys (12) Perform system and application tasks.
When combined with the fn key, several
keys and buttons perform additional tasks
as hotkeys.
2caps lock key Enables caps lock and turns on the caps
lock light.
3fn key Executes frequently used system
functions when pressed in combination
with a function key or the esc key.
4Windows logo key In Windows, displays the Windows
Start menu.
5Windows
applications key
In Windows, displays a shortcut menu
for items beneath the pointer.
6Arrow keys Moves the cursor around the screen.
7Keypad keys (15) In Windows, can be used like the keys
on an external numeric keypad.
8num lock key Enables numeric lock, turns on the
embedded numeric keypad, and turns
on the num lock light.

1–16 Maintenance and Service Guide
Product Description
The notebook top components are shown below and described in
Table 1-6.
Top Components, Part 1
Table 1-6
Top Components, Part 1
Item Component Function
1Power/standby button When the notebook is:
■Off, press to turn on the notebook.
■On, briefly press to initiate hibernation.
■In standby, briefly press to resume from
standby.
■In hibernation, briefly press to restore
from hibernation.
If the system has stopped responding and
Windows shutdown procedures cannot be
used, press and hold for 5 seconds to turn
off the notebook.