Hewlett-Packard TC1000 Service manual

Maintenance and Service Guide

HP Compaq tc1100 Tablet PC

Document Part Number: 335572-004

October 2005

This guide is a troubleshooting reference used for maintaining and servicing the tablet PC. It provides comprehensive information on identifying tablet PC features, components, and spare parts, troubleshooting tablet PC problems, and performing tablet PC 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. SD Logo is a trademark of its proprietor. 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 tc1100 Tablet PC Fourth Edition October 2005 First Edition February 2004 Document Part Number: 335572-004

1 Product Description

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

1.2 Clearing a Password . . . . . . . . . . . . . . . . . . . . . . . . . 1–5

1.3 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1–5

1.4 Tablet PC External Components. . . . . . . . . . . . . . . . 1–6

1.5 Keyboard Components . . . . . . . . . . . . . . . . . . . . . . 1–20

1.6 HP Tablet PC Docking Station Components . . . . . 1–24

1.7 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–28

2 Troubleshooting

2.1 Setup and Diagnostics Utilities . . . . . . . . . . . . . . . . . 2–1

Selecting Setup or HP Diagnostics . . . . . . . . . . . . . . 2–1

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

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

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

2.2 Using HP Diagnostics for Windows . . . . . . . . . . . . . 2–8

Obtaining, Saving, or Printing

Configuration Information . . . . . . . . . . . . . . . . . . . . 2–8

Obtaining, Saving or Printing Diagnostic Test

Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8

Maintenance and Service Guide iii

Contents

3 Illustrated Parts Catalog

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

3.2 HP Compaq Tablet PC System Major Components . 3–2

3.3 Miscellaneous Cable Kit Components . . . . . . . . . . . 3–8

3.4 Miscellaneous Plastics/Hardware Kit Components . 3–9

3.5 Keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–10

3.6 Optional HP Tablet PC Docking Station . . . . . . . . 3–11

3.7 HP Tablet PC Docking Station Components . . . . . 3–12

3.8 Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–14

3.9 Sequential Part Number Listing . . . . . . . . . . . . . . . 3–15

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 Equipment . . . . . . . . . . 4–4

4.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 4–5

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 Tablet PC for Disassembly . . . . . . . . . 5–4

Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–4

5.4 Real-Time Clock Battery . . . . . . . . . . . . . . . . . . . . 5–13

5.5 Hard Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–14

5.6 Display Panel Assembly . . . . . . . . . . . . . . . . . . . . . 5–17

5.7 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–26

5.8 Fan and Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . 5–36

5.9 Optional HP Tablet PC Docking Station . . . . . . . . 5–38

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

Product Description

Depending on model, the HP Compaq tc1100 Tablet PC offers a

1.1-GHz Intel® Pentium® M or 900-MHz Ultra Low Voltage Intel Celeron® M processor with 512-KB cache, a 10.4-inch color TFT XGA display, up to 2 GB of 333-MHz DDR SDRAM, and NVIDIA GeForce4 420 Go 4X AGP graphics with 32 MB of video DDR SDRAM.

The primary pointing device on the tablet PC is the tablet PC pen. Handwriting recognition software is available in Microsoft® Windows® XP Tablet PC Edition 2005, the operating system installed on the tablet PC.

HP Compaq tc1100 Tablet PC

Maintenance and Service Guide 1–1

Product Description

The optional keyboard is slightly smaller than a full-size notebook keyboard and it provides 101 data entry keys, cursor control keys, and a pointing stick device.

The optional HP Tablet PC Docking Station (not shown) provides access to a MultiBay and a variety of connectors.

HP Compaq tc1100 Tablet PC with Optional Keyboard

1.1 Features

■ 1.2-, 1.1-, or 1.0-GHz Intel Pentium M processor

– or –

■ 900- or 800-MHz Ultra Low Voltage Mobile Intel Celeron M

processor with 512-KB integrated cache, depending on model

■ NVIDIA GeForce4 420 Go 4X AGP graphics controller with

32-MB SDRAM

■ 1.0-GB, 768-MB, 512-MB, or 256-MB high-performance

DDR SDRAM, expandable to 2 GB, depending on model

1–2 Maintenance and Service Guide

Product Description

■ Microsoft Windows XP Tablet PC Edition 2005

■ 10.4-inch XGA (1024 × 768) TFT display with over

16.7 million colors

■ Keyboard with pointing stick device

■ Integrated communication—one of the following:

❏ Type III Mini PCI 56Kbps, v.90/high-speed 56K modem,

wireless LAN 802.11b, and 10/100 network interface card (NIC)

❏ Type III Mini PCI 56Kbps, v.90/high-speed 56K modem

and 10/100 network interface card (NIC)

■ Integrated Bluetooth® on select models only

■ One Type III PC Card slot with support for both 32-bit

(CardBus) and 16-bit PC Cards

■ One Secure Digital (SD) Memory Card slot

■ External 65 W AC adapter with power cord

■ Six-cell, 11.1 V, 3.6-Ah Li-Ion battery pack

■ 80-, 60-, 40-, or 30-GB high-capacity hard drive, varying by

tablet PC model

■ Support for the following drives through the MultiBay

(with optional External MultiBay or docking station):

❏ 1.44-MB diskette drive

❏ 24X Max CD-ROM drive

❏ 8X Max CD-RW drive

❏ 8X Max DVD-ROM drive

❏ 8X Max DVD/CD-RW Combo Drive

❏ 80-, 60-, 40-, or 30-GB hard drive

Maintenance and Service Guide 1–3

Product Description

■ Support for the following connectors on the tablet PC:

❏ RJ-45 (network)

❏ RJ-11 (modem)

❏ Universal Serial Bus

❏ External monitor

❏ AC power

❏ Stereo audio-out (headphone)

❏ Mono microphone

❏ External MultiBay

❏ Keyboard

❏ Docking station

■ Support for the following connectors on the optional

Docking Station:

❏ External MultiBay

❏ RJ-45 (network)

❏ USB

❏ External monitor

❏ AC power

❏ Stereo audio-out (headphone)

1–4 Maintenance and Service Guide

1.2 Clearing a Password

If the tablet PC has an unknown setup or power-on password, follow these steps to clear the password. These steps do not clear the drivelock password.

1. Remove the battery pack and Mini PCI communications memory module slot cover. Refer to Section 5.3, “Preparing

the Tablet PC for Disassembly,” for more information.

2. Remove the RTC battery (refer to Section 5.4, “Real-Time

Clock Battery”).

3. Wait approximately 5 minutes.

4. Replace the RTC battery and reassemble the tablet PC. Do not reinsert the battery pack at this time.

5. Connect AC power to the tablet PC.

6. Turn on the tablet PC.

All setup and power-on passwords have been cleared.

1.3 Power Management

Product Description

The tablet PC comes with power management features that extend battery operating time and conserve power. The tablet PC supports the following power management features:

■ Standby

■ Hibernation

■ User customization of settings

■ Smart battery that provides an accurate battery power gauge

■ Battery calibration

■ Power/standby button

■ Advanced Configuration and Power Interface (ACPI)

compliance

Maintenance and Service Guide 1–5

Product Description

1.4 Tablet PC External Components

The external components on the front of the tablet PC are shown in the following illustration and described in Table 1-1.

Front Components

1–6 Maintenance and Service Guide

Product Description

Tabl e 1-1

Front Components

Item Component Function

1 Wireless light Off: No wireless device is active.

On: Wireless functionality is enabled. Flashing: Wireless functionality is enabled,

but is not connected to a network or is not properly configured.

2 Battery light On: A battery pack is charging.

Flashing: A battery pack that is the only available power source has reached a low-battery condition.

3 AC adapter light On: AC power is being supplied through

the AC adapter.

4 Tablet PC Input Panel

launch button

5 Journal launch button When Windows is running, opens and closes

6 Rotate button Switches the image between landscape and

7 Microphone Inputs monaural sound.

Maintenance and Service Guide 1–7

When Windows is running, opens the Microsoft Tablet PC Input Panel application, which includes a handwriting pad and an on-screen keyboard. While using the on-screen keyboard:

■ To enter the ctrl+alt+delete press the button on the tablet PC with the pen tip or a small object such as the end of a paper clip.

■ To switch the top row of keys between number keys and function keys, tap Func on the on-screen keyboard.

the Microsoft Journal application, which supports handwriting.

portrait orientation.

command,

Product Description

The external components on the top side of the tablet PC are shown in the following illustration and described in Table 1-2.

Top Components

Tabl e 1-2

Top Components

Item Component Function

1 USB port* Connects an optional USB 2.0 - or - 1.1

compliant device.

2 PC Card eject button Ejects an optional PC Card from the

PC Card slot.

3 PC Card slot Supports an optional Type I or Type II 32-bit

(CardBus) or 16-bit PC Card.

*If an optional External MultiBay is connected to the USB port, the External MultiBay must also be connected to external power. If an External MultiBay is connected to the External MultiBay connector, it is not necessary to connect the External MultiBay to external power.

1–8 Maintenance and Service Guide

Tabl e 1-2

Top Components

Item Component Function

Product Description

(Continued)

4 Pen holder (shown with

pen 5 inserted)

5 Pen Interacts with the tablet PC whenever the tip

6 Tablet PC tether eyelet Used with the tether eyelet on the pen,

7 SD Card slot Supports an optional SD Card.

8 External MultiBay

connector*

9 RJ-11 (modem) jack Connects a modem cable.

10 RJ-45 (network) jack Connects an Ethernet network cable.

11 LAN connection lights (2) Both lights off: The tablet PC is not

12 External monitor port Connects an optional external monitor or

Secures the pen to the tablet PC.

is within 0.5 inch of or contacts the screen.

enables you to tether the pen to the tablet PC.

Connects and provides power for an optional USB 1.1 or USB 2.0 device.

connected to a LAN. Both lights on: The tablet PC is connected

to a LAN with a 100-Mbps link. Green light on and yellow light off: The

tablet PC is connected to a LAN with a 10-Mbps link.

Green light flashing: Information is being transmitted through the LAN.

projector.

13 AC power connector Connects an AC adapter cable, aircraft

power adapter, or automobile power charger/adapter.

Maintenance and Service Guide 1–9

Product Description

The external components on the left side of the tablet PC are shown in the following illustration and described in Table 1-3.

Left-Side Components

Tabl e 1-3

Left-Side Components

Item Component Function

1 Security cable slot Attaches an optional security cable to the

tablet PC.

Security solutions are designed to act

as deterrents These deterrents may not prevent a product from being mishandled or stolen.

2 Screen protector

slots (2)

1–10 Maintenance and Service Guide

Secure the optional screen protector when it is attached to the tablet PC.

Product Description

Tabl e 1-3

Left-Side Components

Item Component Function

3 Air vent Allows airflow to cool internal components.

(Continued)

WARNING: To avoid potential discomfort or burns, do not block the air vents or use the tablet PC on your lap for extended periods. This tablet PC is designed to run demanding applications at full power. As a result of increased power consumption, it is normal for the tablet PC to feel warm or hot when used continuously. The tablet PC complies with the user-accessible surface temperature limits defined by the International Standard for Safety of Information Technology Equipment (IEC 60950).

4 Universal alignment

slots (2)

5 Keyboard connector Connects an optional tablet PC keyboard

6 Alignment key slot Accepts an alignment key to safeguard

Maintenance and Service Guide 1–11

Secure the portfolio, the optional screen protector, or an optional attachment, such as a tablet PC keyboard, to the tablet PC.

to the tablet PC.

attachment procedures. For example, matching the alignment key on an optional tablet PC keyboard to the alignment key slot helps you to correctly orient the tablet PC to the keyboard as you connect them.

Product Description

The external components on the right side of the tablet PC are shown in the following illustration and described in Table 1-4.

Right-Side Components

Tabl e 1-4

Left-Side Components

Item Component Function

1 Jog dial Functions like the enter key and the up and

down arrow keys on a standard keyboard.

■ Press inward to enter a command.

■ Rotate upward to scroll upward.

■ Rotate downward to scroll downward.

1–12 Maintenance and Service Guide

Product Description

Tabl e 1-4

Left-Side Components

Item Component Function

2 esc button While the tablet PC is

■ Starting up and a flashing pointer is displayed on the screen, opens the Setup utility.

■ In Windows, functions like the esc key on a standard keyboard.

3 Windows security button When pressed with the pen tip or a small

object such as the end of a paper clip

■ when Windows is open, enters the ctrl+alt+delete command.

■ when the Setup utility is open, enters the reset command.

4 tab button When Windows is running, functions like the

tab key on a standard keyboard.

5 Q menu button When Windows is running, opens or closes

the Q Menu.

6 E-mail launch button When Windows is running:

■ Before your Internet or network service is set up, opens the operating system Internet connection wizard.

■ After your Internet or network service is set up, opens your default e-mail application.

(Continued)

Maintenance and Service Guide 1–13

Product Description

Tabl e 1-4

Left-Side Components

Item Component Function

7 Power/standby switch When the tablet PC is:

■ Off, press to turn on the tablet PC.

■ On, slide and release to initiate standby.

■ In standby, slide and release to resume

from standby.

■ In hibernation, slide and release to restore from hibernation.

If the system has stopped responding and Windows shutdown procedures cannot be used, slide and hold for 4 seconds to turn off the tablet PC.

8 Power/standby light ■ On: tablet PC is on.

■ Flashing: tablet PC is in standby.

■ Off: tablet PC is off or in hibernation.

(Continued)

1–14 Maintenance and Service Guide

Product Description

The external components on the bottom side of the tablet PC are shown in the following illustration and described in Table 1-5.

Bottom-side Components

Table 1 -5

Rear Components

Item Component Function

1 Docking alignment slots (2) Secure the tablet PC to an optional

Tablet PC Docking Station.

2 Speakers (2) Produce stereo sound.

3 Audio-out (headphone) Connects optional stereo

headphones or powered stereo speakers.

4 Headset jack Connects an optional headset, such

as a mobile telephone headset with a microphone and a monaural ear piece.

5 Audio-in (microphone) Connects an optional stereo

microphone.

Maintenance and Service Guide 1–15

Product Description

The external components on the rear of the tablet PC are shown in the following illustration and described in Table 1-6.

Rear Components

Table 1 -6

Rear Components

Item Component Function

1 Tilt feet (2) While the tablet PC is being used

in portrait orientation on a flat surface, can elevate the top of the tablet PC to provide a comfortable writing and viewing angle.

2 Docking restraint latch recess Accepts the docking restraint latch

on an optional docking station to secure the tablet PC to the Docking Station.

1–16 Maintenance and Service Guide

Product Description

Table 1 -6

Rear Components

Item Component Function

3 Product identification label Contains the serial number of the

4 Docking connector Connects the tablet PC to an

5 Air vent Allows airflow to cool internal

(Continued)

tablet PC and a code describing the original configuration of the tablet PC. You will need the serial number if you contact Customer Care.

optional docking station.

components.

WARNING: To avoid

potential discomfort or burns, do not block the air vents or use the tablet PC on your lap for extended periods. This tablet PC is designed to run demanding applications at full power. As a result of increased power consumption, it is normal for the tablet PC to feel warm or hot when used continuously. The tablet PC complies with the user-accessible surface temperature limits defined by the International Standard for Safety of Information Technology Equipment (IEC 60950).

6 Attachment release latch Releases an optional screen

protector or tablet PC keyboard from the universal attachment slots on the tablet PC.

Maintenance and Service Guide 1–17

Product Description

Table 1 -6

Rear Components

Item Component Function

7 Hard drive retention screw Secures the hard drive bay cover

8 Hard drive bay Holds the system hard drive.

9 Hard drive security screws (2) Secure the hard drive in the hard

10 Pad feet (2) Stabilize the tablet PC when it is

11 Battery bay Holds the battery pack.

12 Battery retention screw Secures the battery pack to the

13 Battery quick check lights (3) On: Each light represents a

(Continued)

to the tablet PC.

drive bay.

placed on a flat surface.

tablet PC.

percentage of a full charge. For example, when all three lights are on, the battery pack is fully charged.

Flashing: When one light is flashing, less than 10% of a full charge remains in the battery pack.

14 Battery quick check button Activates the battery quick check

lights, which display how much of a full charge remains in the battery pack.

15 Battery pack release latch Releases the battery pack from

the battery bay.

1–18 Maintenance and Service Guide

Table 1 -6

Rear Components

Item Component Function

(Continued)

Product Description

16 Memory module and Mini PCI

compartment cover retention screws

17 Memory module and

Mini PCI compartment

Secure the memory and Mini PCI compartment cover to the tablet PC.

Contains one memory slot for a PC133-compliant memory module.

Also holds an optional Mini PCI board, such as a modem board or a combination modem and wireless board.

To prevent an unresponsive

system and the display of a warning message, install only a Mini PCI device authorized for use by the governmental agency that regulates wireless devices in your country. If you install a device and then receive a warning message, remove the device to retore tablet PC functionality. Then contact Customer Care.

Maintenance and Service Guide 1–19

Product Description

1.5 Keyboard Components

The keyboard top components are shown in the following illustration and described in Table 1-7.

Keyboard Top Components

Tabl e 1-7

Keyboard Top Components

Item Component Function

1 Alignment key Ensures that the tablet PC is attached to the

keyboard in the correct orientation.

2 Keyboard hooks (2) Secure the tablet PC to the keyboard.

1–20 Maintenance and Service Guide

Product Description

Tabl e 1-7

Keyboard Top Components

Item Component Function

3 Keyboard connector Connects the keyboard to the keyboard

connector on the tablet PC.

4 Tilt adjustment Tilts the tablet PC forward or backward while

it is connected to the keyboard.

5 Rotation disk Rotates the tablet PC clockwise or

counterclockwise while it is connected to the keyboard.

(Continued)

6 Docking alignment

notches (4)

7 Docking connector

pass-through

8 Pointing stick Moves the cursor and selects and activates

9 Pointing stick buttons (2) Function like the left and right buttons on an

10 Keyboard latch Slide to lock the keyboard or to release the

11 Caps lock light When this light is on, the caps lock is on.

12 Num lock light When this light is on, the numeric keypad is

Help guide the tablet PC and keyboard into an optional HP Tablet PC Docking Station.

Enables the optional docking station to be connected to the tablet PC while the keyboard is attached to the tablet PC.

items on the screen.

external mouse.

keyboard from the tablet PC.

active.

Maintenance and Service Guide 1–21

Product Description

The special keys on the keyboard are shown in the following illustration and described in Table 1-8.

Keyboard Special Keys

Tabl e 1-8

Keyboard Special Keys

Item Component Function

1 Function keys Perform system and application tasks. For

2 Fn key Combines with other keys to perform system

3 Windows logo key Displays the Microsoft Windows Start Menu.

4Windows

applications key

5 Keypad keys Used like an external numeric keypad.

1–22 Maintenance and Service Guide

example, in the Windows operating system and many applications, pressing F1 opens a Help file. To enter an F11 function, press F11/F12. To e n t e r an F12 function, press Fn+F11/F12.

tasks. For example, pressing Fn+num lk turns on the keypad.

Displays a shortcut menu for items beneath the pointer.

Product Description

The components on the rear and bottom of the optional keyboard are shown in the following illustration and described in Table 1-9.

Keyboard Rear and Bottom Components

Tabl e 1-9

Keyboard Rear and Bottom Components

Item Component Function

1 Screen protector

slots

2 Attachment release

latch

3 Universal alignment

slots

4 Alignment key slots Accept alignment keys to ensure proper

Maintenance and Service Guide 1–23

Attach the screen protector to the keyboard.

Releases a portfolio or optional screen protector from the keyboard.

Secure the portfolio or optional screen protector to the keyboard.

orientation.

Product Description

1.6 HP Tablet PC Docking Station Components

The upper and right-side components on the optional HP Tablet PC Docking Station are shown in the following illustration and described in Table 1-10.

Docking Station Upper and Right-Side Components

1–24 Maintenance and Service Guide

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