HP EVO N400C User Manual
b
Maintenance and Service Guide
Compaq Evo N200 Series
Document Part Number: 233117-001
September 2001
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.
© 2001 Compaq Computer Corporation
Compaq and the Compaq logo Registered in U. S. Patent and Trademark Office.
Evo is a trademark of Compaq Information Technologies Group, L.P.
Microsoft and Windows are trademarks of Microsoft Corporation.
Intel and Pentium are trademarks of Intel Corporation.
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 (September 2001)
Document Part Number: 233117-001
Contents
1 Product Description
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.2 Clearing a Password. . . . . . . . . . . . . . . . . . . . . . . . . . 1–4
1.3 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
1.4 Computer External Components . . . . . . . . . . . . . . . . 1–6
1.4 Design Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–16
2 Troubleshooting
Using the PhoenixBIOS Setup Utility . . . . . . . . . . . . . . . 2–1
Troubleshooting Flowcharts. . . . . . . . . . . . . . . . . . . . . . . 2–2
Initial Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 2–3
2.2 No Power, Part 1 . . . . . . . . . . . . . . . . . . . . . . . . . 2–4
2.3 No Power, Part 2 . . . . . . . . . . . . . . . . . . . . . . . . . 2–5
2.4 No Power, Part 3 . . . . . . . . . . . . . . . . . . . . . . . . . 2–6
2.5 No Power, Part 4 . . . . . . . . . . . . . . . . . . . . . . . . . 2–7
2.6 No Video, Part 1 . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
2.7 No Video, Part 2 . . . . . . . . . . . . . . . . . . . . . . . . . 2–9
2.8 Nonfunctioning Docking Station
(if applicable). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–10
2.9 No Operating System (OS) Loading . . . . . . . . . 2–11
2.10 No OS Loading from Hard Drive, Part 1. . . . . 2–12
2.11 No OS Loading from Hard Drive, Part 2. . . . . 2–13
2.12 No OS Loading from Hard Drive, Part 3. . . . . 2–14
2.13 No OS Loading from Diskette Drive. . . . . . . . 2–15
2.14 No OS Loading from CD- or
DVD-ROM Drive . . . . . . . . . . . . . . . . . . . . . . . . . . 2–16
2.15 No Audio, Part 1 . . . . . . . . . . . . . . . . . . . . . . . 2–17
2.16 No Audio, Part 2 . . . . . . . . . . . . . . . . . . . . . . . 2–18
Maintenance and Service Guide iii
2.17 Nonfunctioning Device . . . . . . . . . . . . . . . . . . 2–19
2.18 Nonfunctioning Keyboard . . . . . . . . . . . . . . . . 2–20
2.19 Nonfunctioning Pointing Device. . . . . . . . . . . 2–21
2.20 Network or Modem Connection Problems . . . 2–22
3 Illustrated Parts Catalog
3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . 3–1
3.2 Computer System Major Components. . . . . . . . . . . . 3–2
3.3 Miscellaneous Plastics Kit Components . . . . . . . . . . 3–6
3.4 Cable Kit Components . . . . . . . . . . . . . . . . . . . . . . . . 3–7
3.5 Miscellaneous Spare Parts . . . . . . . . . . . . . . . . . . . . . 3–8
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–5
5.5 Modem/NIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–6
5.6 LED Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–9
5.7 Microphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–10
5.8 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11
5.9 LED Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–12
5.10 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–15
5.11 Top Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–18
iv Maintenance and Service Guide
5.12 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–22
5.13 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–24
5.14 Charger Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–27
5.15 Modem/NIC Cable . . . . . . . . . . . . . . . . . . . . . . . . . 5–29
5.16 Audio Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–31
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–3
C Screw Listing
Index
Maintenance and Service Guide v
Product Description
The Compaq Evo N200 Series of Personal Computers offers
advanced modularity, a 700-MHz Intel Pentium III processor
with 64-bit architecture, industry-leading Accelerated Graphics
Port (AGP) implementation, and extensive multimedia support.
The computer provides desktop functionality and connectivity
through the optional Mobile Expansion Unit (MEU).
All Evo N200 computer models have an SKU number of
✎
243420-B21 and a config. code of KCJZ.
1
Figure 1-1. Compaq Evo N200
Maintenance and Service Guide 1–1
Product Description
1.1 Features
The computer has the following features:
Intel Pentium III 700-MHz processor, with 256-KB
■
integrated cache
ATI Mobility M1, 8-MB SDRAM
■
192 MB standard memory (64 MB integrated on system
■
board, 128 MB in memory expansion compartment)
Microsoft Windows 2000
■
10.4-inch, XGA, TFT (1024 × 768) display, with over 16.8
■
million colors
TouchPad pointing device
■
Mini PCI V.90 modem plus 10/100 NIC combination card
■
Support for one Type II PC Card slot with support for both
■
32-bit CardBus and 16-bit PC Cards
1–2 Maintenance and Service Guide
Product Description
External AC adapter with power cord
■
Support for a 6-cell Lithium ion (Li ion) primary battery pack
■
in the battery bay and an optional external 4-cell Li ion
20-GB high-capacity hard drive
■
Speaker
■
Connectors for:
■
RJ-45 network
❏
RJ-11 modem
❏
External monitor
❏
Mobile Expansion Unit (MEU)
❏
Stereo speaker/headphone
❏
Microphone
❏
Universal serial bus (USB)
❏
AC power
❏
Maintenance and Service Guide 1–3
Product Description
1.2 Clearing a Password
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 computer for disassembly. Refer to Section 5.3,
“Preparing the Computer for Disassembly,” for more
information.
2. Remove the RTC battery (refer to Section 5.12, “RTC
Battery”).
3. Wait approximately five 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 are clear.
1–4 Maintenance and Service Guide
1.3 Power Management
The computer comes with a collection of power management
features that extends battery operating time and conserves power.
The computer supports the following power management
features:
Standby
■
Hibernation
■
Setting customization by the user
■
Hotkeys for setting level of performance
■
Smart battery that provides an accurate battery power gauge
■
Battery calibration
■
Lid switch suspend/resume
■
Power switch
■
Standby button
■
Advanced Configuration and Power Management (ACP)
■
compliance
Product Description
Maintenance and Service Guide 1–5
Product Description
1.4 Computer External Components
The external components on the display and right side of the
computer are shown in Figure 1-2 and described in Table 1-1.
.
Figure 1-2. Front and Right Side Components
1–6 Maintenance and Service Guide
Tabl e 1-1
Front and Right Side Components
Item Component Function
Product Description
1 Stereo speaker/
headphone jack
Connects stereo speakers,
headphones, headset, or television
audio.
2 Microphone jack Connects a single sound channel
microphone.
3 Display release latch Releases the display to open the
computer.
4 Hard drive Supports the removable primary
hard drive.
5 Power jack Connects any one of the following:
■
AC adapter
■
Optional automobile power
adapter/charger
■
Optional aircraft power
adapter
6 PC Card slot Supports 32-bit (CardBus) and
16-bit PC Cards.
7 PC Card eject button Ejects a PC Card from the PC
Card slot.
8 Security cable slot Attaches an optional security cable
to the computer.
Maintenance and Service Guide 1–7
Product Description
The computer rear panel and left side components are shown in
Figure 1-3 and described in Table 1-2.
Figure 1-3. Rear Panel and Left Side Components
1–8 Maintenance and Service Guide
Tabl e 1 -2
Rear Panel and Left Side Components
Item Component Function
Product Description
1 RJ-45 jack (network models
only)
2 RJ-11 jack (internal modem
models only)
3 External monitor connector Connects an external monitor or
4 Docking connector Connects the computer to an
5 USB connectors (2) Connect USB devices.
6 Infrared port Links another IrDA-compliant
7 Vent Allows airflow to cool internal
Connects the network cable.
A network cable is
✎
included with network
models
Connects the modem cable to an
internal modem.
A modem cable is
✎
included with internal
modem models.
overhead projector.
optional Mobile Expansion Unit.
device for wireless communication.
components.
Maintenance and Service Guide 1–9
Product Description
The keyboard components are shown in Figure 1-4 and described
in Table 1-3.
Figure 1-4. Keyboard Components
1–10 Maintenance and Service Guide
Product Description
Tabl e 1-3
Keyboard Components
Item Component Function
1 F1 through F12 function keys Perform preset functions.
2 Caps lock key Turns on the caps lock function.
3 Fn key Used with hotkeys to perform
preset hotkey functions.
4 Windows logo key Displays Windows Start menu.
5 Windows application key Displays a menu when using a
Microsoft application. The menu is
the same one that is displayed by
pressing the right mouse button.
6 Cursor control keys Move the cursor around the
screen.
7 Embedded numeric keypad Converts keys to numeric keypad.
Maintenance and Service Guide 1–11
Product Description
The external components on the top of the computer are shown in
Figure 1-5 and described in Table 1-4.
Figure 1-5. Top Components
Table 1-4
Top Components
Item Component Function
1 Power switch Turns on the computer. To turn off the
computer, use the operating system Shut
Down command.
2 Easy Access buttons (4) Provide quick access to the Internet.
3 Num lock light On: Num lock is on and the embedded
numeric keypad is enabled.
1–12 Maintenance and Service Guide
Product Description
Table 1-4
Top Components
Item Component Function
4 Caps lock light On: Caps lock is on.
5 Scroll lock light On: Scroll lock is on.
6 Battery light On: A battery pack is charging. Blinking: A
7 Hard drive light On: The primary hard drive is being
8 Power light On: Power is turned on.
(Continued)
battery pack that is the only available
power source has reached a low-battery
condition.
accessed.
Blinking: Computer is in Standby.
The power light also blinks if a
✎
battery pack that is the only
available power source reaches
a critical low-battery condition
while Hibernation is disabled.
9 Microphone Inputs single-channel sound to the
computer; can be used whether the
computer is open or closed.
10 Standby button
11 TouchPad Moves the mouse cursor, selects, and
12 Left TouchPad button Functions like the left mouse button on an
13 Right TouchPad button Functions like the right mouse button on
■
Turns on the computer if it is off.
■
Initiates and exits Standby.
■
When pressed with the Fn key,
initiates Hibernation.
activates.
external mouse.
an external mouse.
Maintenance and Service Guide 1–13
Product Description
The external components on the bottom of the computer are
shown in Figure 1-6 and described in Table 1-5.
fm
Figure 1-6. Bottom Components
1–14 Maintenance and Service Guide
Table 1-5
Bottom Components
Item Component Function
Product Description
1 External battery release
latches (2)
2 Mini PCI compartment cover Contains the mini PCI modem or
3 Vents Provides airflow to cool internal
4 Primary battery release latch Releases the primary battery pack
5 Battery bay Holds the primary battery pack.
6 Memory expansion
compartment cover
7 Serial number Identifies the computer; needed
8 Hard drive Supports the removable primary
9 Speaker Produces sound.
10 Certificate of Authenticity label Contains the Product Key, which
Release the external battery pack.
network interface card.
components.
from the battery bay.
Covers the memory expansion
compartment that contains one
memory expansion slot for a memory expansion board.
when you call Compaq customer
support.
hard drive. One screw secures the
hard drive to the computer.
may need to be entered before
using some Windows operating
systems.
Maintenance and Service Guide 1–15
Product Description
1.4 Design Overview
This section presents a design overview of key parts and features
of the computer. Refer to Chapter 3, “Illustrated Parts Catalog,” to
identify replacement parts, and Chapter 5, “Removal and
Replacement Procedures,” for disassembly steps.
The system board provides the following device connections:
Memory expansion board
■
Hard drive
■
Display
■
Keyboard
■
TouchPa d
■
Audio
■
Intel Pentium III processor
■
PC Card
■
Modem
■
Network interface card
■
CAUTION: To properly ventilate the computer, allow at least a 3-inch
Ä
(7.6 cm) clearance on the right side of the computer.
1–16 Maintenance and Service Guide
Troubleshooting
WARNING: Only authorized technicians trained by Compaq should
Å
repair this equipment. All troubleshooting and repair procedures
are detailed to allow only subassembly/module level repair.
Because of the complexity of the individual boards and
subassemblies, no one should attempt to make repairs at the
component level or to make modifications to any printed wiring
board. Improper repairs can create a safety hazard. Any indication
of component replacement or printed wiring board modification may
void any warranty or exchange allowances.
Utilities that are preinstalled on the computer include:
PhoenixBIOS Setup Utility—Allows you to modify or
■
restore factory default settings and configure the system
BIOS to diagnose and solve minor problems.
Power Management—Allows you to reduce your computer
■
power consumption.
2
Security—Allows you to set or remove your power-on
■
password.
Using the PhoenixBIOS Setup Utility
The PhoenixBIOS Setup Utility (PSU) is built into the system.
You can configure the system BIOS and modify or restore factory
default settings, such as date and time, types of disk drives, power
management, and password settings. To run PSU, press the
key during system startup. When the main screen displays, use
the keyboard and arrow keys to move around the menus and make
selections.
Maintenance and Service Guide 2–1
F10
Troubleshooting
Troubleshooting Flowcharts
Table 2-1
Troubleshooting Flowcharts Overview
Section Description
2.1 Initial troubleshooting
2.2 No power, part 1
2.3 No power, part 2
2.4 No power, part 3
2.5 No power, part 4
2.6 No video, part 1
2.7 No video, part 2
2.8 Nonfunctioning docking station
2.9 No operating system (OS) loading
2.10 No OS loading from hard drive, part 1
2.11 No OS loading from hard drive, part 2
2.12 No OS loading from hard drive, part 3
2.13 No OS loading from diskette drive
2.14 No OS loading from CD- or DVD-ROM drive
2.15 No audio, part 1
2.16 No audio, part 2
2.17 Nonfunctioning device
2.18 Nonfunctioning keyboard
2.19 Nonfunctioning pointing device
2.20 No network or modem connection
2–2 Maintenance and Service Guide
Initial Troubleshooting
Begin
Troubleshooting
N
Is there
power?
Y
N
Beeps,
LEDs, or error
Messages?
Y
N
Is there video?
(no boot)
Y
N
Is the OS
loading?
Y
N
Is there
sound?
Y
Go to
Section 2.2,
No Power.
Check
LED board,
speaker
connections.
Go to
Section 2.6,
No Video.
Go to
Section 2.9,
No OS Loading.
Go to
Section 2.15,
No Audio.
Y
Y
Connecting
or modem?
Y
All drives
working?
Keyboard/
pointing
device
working?
to network
End
Troubleshooting
N
Section 2.17,
Nonfunctioning
N
Section 2.18,
Nonfunctioning
or Section 2.19,
Nonfunctioning
Pointing Device.
N
Section 2.20,
Go to
Device.
Go to
Keyboard,
Go to
No Network
or Modem
Connection.
Maintenance and Service Guide 2–3
Troubleshooting
2.2 No Power, Part 1
No Power
(Power LED is off)
Remove from
docking station
if applicable.
N
Power up
on battery
power?
*Reset
power.
Y
N
Power up
on AC
power?
*Reset
power.
Y
Y
Power up
in docking
station?
Done
N
1. Reseat power cables in docking station
and at the AC outlet.
2. Ensure the AC power source is active.
3. Ensure the power strip is working.
YN
Done
Power up
in docking
station?
N
Power up
on battery
power?
Go to
Section 2.3,
No Power,
Part 2.
Y
N
Power up
on AC
power?
Go to
Section 2.4,
No Power,
Part 3.
Y
*Notes:
1. On some models, there is a separate reset
button.
2. On some models, the computer may be
reset using the Standby switch and either
the lid switch or the main power switch.
Go to
Section 2.8,
Nonfunctioning
Docking Station.
2–4 Maintenance and Service Guide
2.3 No Power, Part 2
Continued from
Section 2.2,
No Power, Part 1.
Visually check for
debris in battery
socket and clean
if necessary.
Y
Troubleshooting
Power on?
N
Check battery by
recharging,
moving it to
another computer,
or replacing it.
Power on?
Y
Done
Done
N
Replace power
supply (if
applicable).
N
Go to
Power on?
Section 2.4,
No Power,
Part 3.
Y
Done
Maintenance and Service Guide 2–5
Troubleshooting
2.4 No Power, Part 3
Continued from
Section 2.3,
No Power, Part 2.
Plug directly
into AC outlet.
Y
Power LED
on?
N
Reseat AC adapter
in computer and
at power source.
Power on?
N
Power outlet
active?
Y
Replace
power cord.
Power on?
Done
Y
Done
N
Try different
outlet.
Internal or
external AC
Internal
Section 2.5,
No Power,
Y
Done Done
adapter?
Go to
Part 4.
External
Replace external
AC adapter.
N
Power on?
Y
N
2–6 Maintenance and Service Guide
2.5 No Power, Part 4
Continued from
Section 2.4,
No Power, Part 3.
Open
computer.
Troubleshooting
Loose or
damaged
parts?
N
Close
computer and
retest.
Power on?
Y
Done
Y
Reseat loose
components and
boards and
replace
damaged items.
N
Replace the following items, if applicable.
Check computer operation after each
replacement:
1. Internal DC-DC converter*
2. Internal AC adapter
3. Processor board*
4. System board*
*Replace these items as a set to prevent
shorting out among components.
Maintenance and Service Guide 2–7
Troubleshooting
2.6 No Video, Part 1
No Video
Docking
Station
Stand-alone
or Docking
Station?
Go to
Section 2.7,
No Video, Part 2.
*Note: To change from internal to
external display, use the hotkey
combination.
Standalone
Y
Internal or
external
display*?
External
Adjust
brightness.
Internal
Y
Video OK? Done
N
Check for bent
pins on cable.
Adjust
brightness.
Video OK? Done
N
A
Depress lid
switch to ensure
operation.
Y
Video OK? Done
N
Replace the following one at a time. Test after each replacement:
1. Cable between notebook and computer display (if applicable)
2. Inverter board (if applicable)
3. Display
4. System board
NN
Video OK?
Try
another
display.
Internal and
external
video OK?
Replace
system
board.
YY
Done
2–8 Maintenance and Service Guide
Done
2.7 No Video, Part 2
Continued from
Section 2.6,
No Video, Part 1.
Remove
notebook from
docking station,
if connected.
Troubleshooting
Adjust
display
brightness.
N
Video OK?
Y
Check for notebook properly
seated in docking station, bent
pins on cable, and for monitor
connection.
Y
Video OK?
N
Adjust external
monitor display.
Go to “A” in
Section 2.6,
No Video, Part 1.
Done
Check brightness
of external
monitor.
Video OK?
N
Try another
external
monitor.
Internal
and external
video OK?
N
Go to Section 2.8,
Nonfunctioning
Docking Station.
Y
Done
Y
Done
Maintenance and Service Guide 2–9
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