Page 1: Maintenance And Service
Maintenance and Service Guide HP Compaq tc4400 Tablet PC Document Part Number: 383208-002 May 2006 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;...
Page 2: Maintenance And Service Guide
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.
Page 3: Table Of Contents
1.1 Features ........1–2 1.2 Resetting the Tablet PC..... . . 1–4 1.3 Power Management.
Page 4 Contents 3 Illustrated Parts Catalog 3.1 Serial Number Location ..... . 3–1 3.2 Computer Major Components....3–2 3.3 Plastics Kit .
Page 5 5.4 Hard Drive....... . . 5–7 5.5 Tablet PC Feet......5–11 5.6 Bluetooth Module .
Page 6: Specifications
Contents 6 Specifications Screw Listing B Software Backup and Recovery C Display Component Recycling D Connector Pin Assignments E Power Cord Set Requirements Index Maintenance and Service Guide...
Page 7: Product Description
Product Description The HP Compaq tc4400 Tablet PC offers advanced modularity, Intel® Core™ Duo and Celeron® M processors, and extensive multimedia support. HP Compaq tc4400 Tablet PC Maintenance and Service Guide 1–1...
Page 8: Features
1.1 Features ■ Intel Core Duo T2600 (2.17-GHz), T2500 (2.00-GHz), T2400 (1.83-GHz), and T2300 (1.67-GHz) or Intel Celeron M 1.60-GHz processors, varying by tablet PC model ■ 12.1-inch, XGA, TFT (1024 × 768) display with over 16.8 million colors ■...
Page 9 ■ External 65-watt AC adapter with 3-wire power cord ■ 6-cell Li-Ion battery pack ■ Audio speaker ■ Volume up, volume mute, and volume down buttons ■ Connectors: ❏ Infrared ❏ Audio-out (headphone) ❏ Audio-in (microphone) ❏ Universal Serial Bus (USB) v. 2.0 (3 ports, 1 powered) ❏...
Page 10: Resetting The Tablet Pc
RTC battery). 3. Wait approximately 5 minutes. 4. Replace the RTC battery and reassemble the tablet PC. 5. Connect AC power to the tablet PC. Do not reinsert any batteries at this time. 6. Turn on the tablet PC.
Page 11: Power Management
1.3 Power Management The tablet PC comes with power management features that extend battery pack operating time and conserve power. The tablet PC supports the following power management features: ■ Standby ■ Hibernation ■ Setting customization by the user ■...
Page 12: External Components
Product Description 1.4 External Components The external components on the front of the tablet PC are shown below and described in Table 1-1. Front Components Item Component Wireless light Power light 1–6 Table 1-1 Front Components Function On: An integrated wireless device, such as a wireless local area network (WLAN) device and/or Bluetooth®...
Page 13 ■ Blinking green: The hard drive or optical drive is being accessed. ■ Amber: HP Mobile Data Protection has temporarily parked the hard drive. Provides wireless communication between the computer and an optional IrDA-compliant device.
Page 14 Product Description The external components on the right side of the tablet PC are shown below and described in Table 1-2. Right-Side Components 1–8 Maintenance and Service Guide...
Page 15: Right-Side Components
PC using a standard USB cable, or connects an optional external MultiBay or external MultiBay II to the tablet PC. This USB port is a powered port that can be used without external power. ✎ On select tablet PC models, the PC Card slot may be replaced with an optional smart card reader.
Page 16: Left-Side Components
Product Description The external components on the left side of the tablet PC are shown below and described in Table 1-3. Left-Side Components Item Component Security cable slot Vent 1–10 Table 1-3 Left-Side Components Function Attaches an optional security cable to the tablet PC.
Page 17 If the tablet PC has stopped responding and Microsoft Windows shutdown procedures cannot be used, slide toward the front of the tablet PC and hold for 4 seconds to turn off the tablet PC. Enables you to listen to music and hear audio alerts and signals from programs.
Page 18 Product Description The external components on the rear panel of the tablet PC are shown below and described in Table 1-4. Rear Panel Components 1–12 Maintenance and Service Guide...
Page 19: Rear Panel Components
Maintenance and Service Guide Table 1-4 Rear Panel Components Function Connects USB 1.1- and 2.0-compliant devices to the tablet PC using a standard USB cable. Connects a modem cable. Enabled with 56-K connectivity. Connects a network cable. Enabled with 10BASE-T/100BASE-TX/1000BASE-T connectivity.
Page 20 Product Description The standard keyboard components of the tablet PC are shown below and described in Table 1-5. Standard Keyboard Components 1–14 Maintenance and Service Guide...
Page 21 Standard Keyboard Components Item Component Function keys (6) caps lock key fn key Windows logo key Windows applications key Arrow keys Embedded numeric keypad num lock key Maintenance and Service Guide Table 1-5 Function Perform system and application tasks. When combined with the fn key, the function keys f3, f4, and f8 through f11 perform additional tasks as hotkeys.
Page 22 Product Description The tablet PC top components are shown below and described in Table 1-6. Top Components 1–16 Maintenance and Service Guide...
Page 23: Top Components
Turns on the presentation feature. Mutes or restores volume. Decreases tablet PC sound. Increases tablet PC sound. Scrolls upward or downward. Product Description 1–17...
Page 24 Product Description The tablet PC display components are shown below and described in Table 1-7. Display Components 1–18 Maintenance and Service Guide...
Page 25: Display Components
■ Press inward to enter a command. ■ Rotate upward to scroll upward. ■ Rotate downward to scroll downward. Records sound. Ejects the pen from the pen holder. Secures the pen to the tablet PC. Product Description 1–19...
Page 26 Product Description The external components on the bottom of the tablet PC are shown below and described in Table 1-8. Bottom Components 1–20 Maintenance and Service Guide...
Page 27: Bottom Components
Function Covers the display cable connector. Connects the tablet PC to an optional docking device. Connects an optional HP Ultra-Capacity Battery or HP Extended Life Battery. Provides airflow to cool internal components. Ä To prevent overheating, do not obstruct vents. Use the computer only a hard, flat surface.
Page 28: Design Overview
■ TouchPad Ä CAUTION: To properly ventilate the tablet PC, allow at least a 7.6-cm (3-inch) clearance on the left and right sides of the tablet PC. The tablet PC uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to turn on automatically when high temperature conditions exist.
Page 29: Troubleshooting
Å WARNING: Only authorized technicians trained by HP should 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, do not attempt to make repairs at the component level or modifications to any printed wiring board.
Page 30: Selecting From The File Menu
Troubleshooting 2. Select the File, Security, Diagnostics, or System Configuration menu. 3. To close Computer Setup and restart the computer: ❏ Select File > Save changes and exit, and then press – or – ❏ Select File > Ignore changes and exit, and then press –...
Page 31: Selecting From The Security Menu
Selecting from the Security Menu Select Setup Password Power-On Password Password Options (Password options can be selected only when a power-on password has been set.) DriveLock Passwords Smart Card Security TPM Embedded Security System IDs Disk Sanitizer *Not applicable to SuperDisk LS-120 drives. Maintenance and Service Guide Table 2-2 Security Menu...
Page 32: Selecting From The Diagnostics Menu
Troubleshooting Selecting from the Diagnostics Menu Select HDD Self-Test Options Memory Check 2–4 Table 2-3 Diagnostics Menu To Do This Run a quick comprehensive self test on hard drives in the system that support the test features. Run a quick comprehensive test on system memory on the following categories: ■...
Page 33: Selecting From The System Configuration Menu
Selecting from the System Configuration Menu Select Language Boot Options Device Configurations Built-In Device Options Port Options Maintenance and Service Guide Table 2-4 System Configuration Menu To Do This Change the Computer Setup language. Enable/disable MultiBoot, which sets a startup sequence that can include most bootable devices and media in the system.
Page 34: Troubleshooting Flowcharts
Troubleshooting 2.2 Troubleshooting Flowcharts Troubleshooting Flowcharts Overview Flowchart Description “Flowchart 2.1—Initial Troubleshooting” “Flowchart 2.2—No Power, Part 1” “Flowchart 2.3—No Power, Part 2” “Flowchart 2.4—No Power, Part 3” “Flowchart 2.5—No Power, Part 4” “Flowchart 2.6—No Video, Part 1” “Flowchart 2.7—No Video, Part 2” “Flowchart 2.8—Nonfunctioning Docking Device (if applicable)”...
Page 35: Flowchart 2.1—Initial Troubleshooting
Flowchart 2.1—Initial Troubleshooting Begin troubleshooting. Is there power? Beeps, LEDs, or error messages? Is there video? (no boot) Is the OS loading? Is there sound? Maintenance and Service Guide Go to “Flowchart 2.2—No Power, Part 1.” Check LED board, speaker connections.
Page 36: Flowchart 2.2—No Power, Part
AC power? power.* Done *NOTES 1. On select tablet PC models, there is a separate reset button. 2. On select tablet PC models, the computer can be reset using the standby switch and either the lid switch or the main power switch.
Page 37: Flowchart 2.3—No Power, Part
Flowchart 2.3—No Power, Part 2 Continued from “Flowchart 2.2—No Power, Part 1.” Visually check for debris in battery socket and clean if necessary. Power on? Check battery pack recharging it, moving it to another computer, Power on? Done Maintenance and Service Guide Done Replace power supply...
Page 38: Flowchart 2.4—No Power, Part
Troubleshooting Flowchart 2.4—No Power, Part 3 Continued from “Flowchart 2.3—No Power, Part 2.” Plug directly into AC outlet. Power LED Reseat AC adapter in computer and at power source. Power on? Power outlet active? Replace power cord. Power on? 2–10 Done Done Internal or...
Page 39: Flowchart 2.5—No Power, Part
Flowchart 2.5—No Power, Part 4 Continued from “Flowchart 2.4—No Power, Part 3.” Open computer. Loose or damaged parts? Close computer and retest. Power on? Done Maintenance and Service Guide Reseat loose components and boards and replace damaged items. Replace the following items (if applicable). Check computer operation after each replacement: 1.
Page 40: Flowchart 2.6—No Video, Part
Troubleshooting Flowchart 2.6—No Video, Part 1 No video. Docking Device Stand-alone or docking device? Stand-alone Internal or external display*? Internal External Adjust brightness. Video OK? Replace the following one at a time. Test after each replacement. Check for bent pins on cable. Video OK? Done 2–12...
Page 41: Flowchart 2.7—No Video, Part
Flowchart 2.7—No Video, Part 2 Continued from “Flowchart 2.6—No Video, Part 1.” Remove computer from docking device, if connected. Adjust display brightness. Video OK? Check that computer is properly seated in docking device, for bent pins on cable, and for monitor connection.
Page 42: Flowchart 2.8-Nonfunctioning Docking Device (If Applicable)
Troubleshooting Flowchart 2.8—Nonfunctioning Docking Device (if applicable) Nonfunctioning docking device. Reset power cord in docking device and power outlet. Check voltage setting on docking device. Reset monitor cable connector at docking device. Docking device operating? Replace docking device. 2–14 Reinstall computer into docking device.
Page 43: Flowchart 2.9—No Operating System (Os) Loading
Flowchart 2.9—No Operating System (OS) Loading No OS loading.* Reset power cord in docking device and power outlet. *NOTE: Before beginning troubleshooting, always check cable connections, cable ends, and drives for bent or damaged pins. Maintenance and Service Guide No OS loading from hard drive, go to “Flowchart 2.10—No OS Loading, Hard Drive, Part 1.”...
Page 44: Flowchart 2.10-No Os Loading, Hard Drive
Troubleshooting Flowchart 2.10—No OS Loading, Hard Drive, Part 1 OS not loading from hard drive. Nonsystem disk message? Reseat external hard drive. OS loading? Boot from Check the Setup utility for correct booting order. Boot from hard drive? Done 2–16 Go to “Flowchart 2.11—No OS...
Page 45: Flowchart 2.11-No Os Loading, Hard Drive
Flowchart 2.11—No OS Loading, Hard Drive, Part 2 Continued from “Flowchart 2.10—No OS Loading, Hard Drive, Part 1.” 1. Replace CD or diskette in 2. Replace system drive? Remove diskette and reboot. Boot from hard drive? Boot 2.13—No OS from diskette drive? Diskette Drive.”...
Page 46: Flowchart 2.12-No Os Loading, Hard Drive
Troubleshooting Flowchart 2.12—No OS Loading, Hard Drive, Part 3 Continued from “Flowchart 2.11—No OS Loading, Hard Drive, Part 2.” System files on hard drive? Virus hard drive? Run SCANDISK and check for bad sectors. Can bad sectors be fixed? Fix bad sectors.
Page 47: Flowchart 2.13—No Os Loading, Diskette Drive
Go to “Flowchart 2.17—Nonfunc- tioning Device.” Enable drive and cold boot computer. Reset the computer. Refer to Section 1.2, “Resetting the Tablet PC,” instructions. Go to “Flowchart Device.” Troubleshooting loading? Bootable Install bootable diskette diskette and in drive? reboot computer.
Page 48: Flowchart 2.14—No Os Loading, Optical Drive
Boots from CD or DVD? Booting from another 2.17—Nonfunctioning device? Reset the computer. Booting Section 1.2, order “Resetting the correct? Tablet PC,” instructions. Correct boot order using the Setup Utility. Install bootable Bootable disc and disc in drive? computer. Try another...
Page 49: Flowchart 2.15—No Audio, Part
Flowchart 2.15—No Audio, Part 1 No audio. Computer in docking device (if applicable)? Go to “Flowchart 2.16—No Audio, Part 2.” 2.17—Nonfunctioning Maintenance and Service Guide Turn up audio internally or externally. Undock docking device. Go to “Flowchart Device.” Troubleshooting Audio? Done Go to Internal...
Page 50: Flowchart 2.16—No Audio, Part
Troubleshooting Flowchart 2.16—No Audio, Part 2 Continued from “Flowchart 2.15—No Audio, Part 1.” Audio driver in OS configured? Correct drivers for application? Connect to external speaker. Audio? 2–22 Reload audio drivers. Load drivers and set configuration in OS. Replace audio board and speaker connections...
Page 51: Flowchart 2.17—Nonfunctioning Device
Flowchart 2.17—Nonfunctioning Device Unplug the nonfunctioning device from the computer and inspect cables and plugs for bent or broken pins or Clear CMOS. Reattach device. Close computer, plug in power, and reboot. Device boots properly? Done Maintenance and Service Guide Nonfunctioning device.
Page 52: Flowchart 2.18—Nonfunctioning Keyboard
Troubleshooting Flowchart 2.18—Nonfunctioning Keyboard Keyboard not operating properly. Connect computer to good external keyboard. External device works? Reseat internal keyboard connector (if applicable). Done 2–24 Replace system board. Replace internal keyboard or cable. Replace system board. Done Maintenance and Service Guide...
Page 53: Flowchart 2.19-Nonfunctioning Pointing Device
Flowchart 2.19—Nonfunctioning Pointing Device Pointing device not operating properly. Connect computer to good external pointing device. External device works? Reseat internal pointing device connector (if applicable). Done Maintenance and Service Guide Replace system board. Replace internal pointing device or cable. Replace system board.
Page 54: Flowchart 2.20-No Network/Modem Connection
Troubleshooting Flowchart 2.20—No Network/Modem Connection No network or modem connection. Network or modem jack active? Digital line? NIC/modem configured in OS? Disconnect all power from the computer and open. Reseat NIC/modem (if applicable). 2–26 Replace jack or have jack activated. Connect to nondigital line.
Page 55: Illustrated Parts Catalog
3.1 Serial Number Location When ordering parts or requesting information, provide the tablet PC serial number and tablet PC model number located on the bottom of the tablet PC. Serial Number Location Maintenance and Service Guide...
Page 56: Computer Major Components
Illustrated Parts Catalog 3.2 Computer Major Components Computer Major Components 3–2 Maintenance and Service Guide...
Page 57 Spare Parts: Computer Major Components Item Description 12.1-inch, XGA, TFT display assembly (includes wireless antenna transceivers and cables, microphone, fingerprint reader board, and display cable) Keyboard cover Keyboards, with pointing stick Belgium Brazil The Czech Republic Denmark Europe France French Canada Germany Greece Hungary...
Page 58 Illustrated Parts Catalog Computer Major Components 3–4 Maintenance and Service Guide...
Page 59 Spare Parts: Computer Major Components (Continued) Item Description Memory modules PC2, 5300 2048-MB 1024-MB 512-MB 256-MB PC2, 4200 2048-MB 1024-MB 512-MB 256-MB Mini Card WLAN module 802.11b/g Silverton WLAN module for use in most of the world (MOW) 802.11b/g Silverton WLAN module for use in the rest of the world (ROW) 802.11a/b/g FRLN WLAN card for MOW use 802.11a/b/g FRLN WLAN card for ROW use...
Page 60 Illustrated Parts Catalog Spare Parts: Computer Major Components (Continued) Item Description 802.11a/b/g ATMC WLAN card for use in Japan 3–6 Table 3-1 Maintenance and Service Guide Spare Part Number 377408-291...
Page 61 Illustrated Parts Catalog Computer Major Components Maintenance and Service Guide 3–7...
Page 62 Illustrated Parts Catalog Spare Parts: Computer Major Components (Continued) Item Description Heat sink (includes thermal paste) Thermal shield Hinge saddle Processors (include thermal paste) Intel Core Duo T2600 (2.17-GHz) Intel Core Duo T2500 (2.00-GHz) Intel Core Duo T2400 (1.83-GHz) Intel Core Duo T2300 (1.67-GHz) Intel Celeron M 1.60-GHz Plastics Kit, includes: PC Card slot bezel...
Page 63 Illustrated Parts Catalog Computer Major Components Maintenance and Service Guide 3–9...
Page 64 Illustrated Parts Catalog Spare Parts: Computer Major Components (Continued) Item Description Base enclosure 6-cell battery pack Hard drives (all 5400 rpm; include cover and frame) 100-GB 80-GB 60-GB Bluetooth module (includes Bluetooth module cable) Hard drive cover 3–10 Table 3-1 Maintenance and Service Guide Spare Part Number...
Page 65: Plastics Kit
Item Plastics Kit Includes: Bluetooth module cover PC Card slot bezel Base enclosure cover Hard drive cover Memory module compartment cover Tablet PC feet (5) Maintenance and Service Guide Table 3-2 Plastics Kit Illustrated Parts Catalog Spare Part Number 419157-001...
Page 66: Cable Kit
Illustrated Parts Catalog 3.4 Cable Kit Spare Part Number Information Description Item Cable Kit Includes: Button board cable Modem cable Bluetooth module cable Pointing stick cable 3–12 Table 3-3 Cable Kit Maintenance and Service Guide Spare Part Number 419118-001...
Page 67: Miscellaneous (Not Illustrated)
MultiBay 24X DVD/CD-RW Combo Drive (for use in External MultiBay II and HP Docking Station) DVD±RW and CD-RW Double-Layer Combo Drive (for use in External MultiBay II and HP Docking Station) Screw Kit (includes the following screws; refer to Appendix A, “Screw Listing,”...
Page 68 Illustrated Parts Catalog Miscellaneous Spare Part Information (Continued) Description Power supply, 65 watt Power cords For use in: Australia and New Zealand Belgium, Europe, Greece, Norway, and Portugal Canada, French Canada, Latin America, Taiwan, Thailand, and the United States Denmark France Germany Hong Kong and the United Kingdom...
Page 69: Sequential Part Number Listing
3.6 Sequential Part Number Listing Sequential Part Number Listing Spare Part Number Description 337407-001 802.11a/b/g DynaStar WLAN Mini Card WLAN module for MOW use 337407-002 802.11a/b/g DynaStar WLAN Mini Card WLAN module for ROW use 337407-291 802.11a/b/g DynaStar WLAN Mini Card WLAN module for use in Japan 350188-001 Power cord for use in Canada, French Canada, Latin America,...
Page 70 373889-001 802.11a/b/g FRLN WLAN Mini Card WLAN module for ROW use 375557-001 DVD±RW and CD-RW Double-Layer Combo Drive (for use in External MultiBay II and HP Docking Station) 377408-001 802.11a/b/g ATMC WLAN Mini Card WLAN module for MOW use 377408-002 802.11a/b/g ATMC WLAN Mini Card WLAN module...
Page 71 Sequential Part Number Listing (Continued) Spare Part Number Description 377792-001 802.11a/b/g FRLN WLAN Mini Card WLAN module for use in Europe 380089-001 HP Docking Station Miscellaneous Plastics Kit 383520-001 Base enclosure cover 383556-001 Screw Kit 383558-001 Keyboard cover 383625-001 RTC battery...
Page 72 Illustrated Parts Catalog Sequential Part Number Listing (Continued) Spare Part Number Description 419116-001 System board 419117-001 Bluetooth module (includes Bluetooth module cable) 419118-001 Cable Kit 419121-001 Digitizer 419122-001 Digitizer mesh 419123-001 Digitizer mylar 419124-001 100-GB hard drive (5400 rpm; includes cover and frame) 419125-001 60-GB hard drive (5400 rpm;...
Page 73 Sequential Part Number Listing (Continued) Spare Part Number Description 419145-001 PC2, 5300 1024-MB memory module 419146-001 PC2, 4200 256-MB memory module 419147-001 PC2, 5300 256-MB memory module 419148-001 PC2, 4200 2048-MB memory module 419149-001 PC2, 5300 2048-MB memory module 419150-001 PC2, 4200 512-MB memory module 419151-001 PC2, 5300 512-MB memory module...
Page 74 Illustrated Parts Catalog Sequential Part Number Listing (Continued) Spare Part Number Description 419171-061 Keyboard with pointing stick for use in Italy 419171-071 Keyboard with pointing stick for use in Spain 419171-081 Keyboard with pointing stick for use in Denmark 419171-091 Keyboard with pointing stick for use in Norway 419171-111 Keyboard with pointing stick for use in Switzerland...
Page 75 Sequential Part Number Listing (Continued) Spare Part Number Description 419171-BB1 Keyboard with pointing stick for use in Israel 419171-DD1 Keyboard with pointing stick for use in Iceland 431168-001 Display Bracket Kit (includes display hinges) Maintenance and Service Guide Table 3-5 Illustrated Parts Catalog 3–21...
Page 76: Removal And Replacement Preliminaries
Removal and Replacement This chapter provides essential information for proper and safe removal and replacement service. 4.1 Tools Required You will need the following tools to complete the removal and replacement procedures: ■ Magnetic screwdriver ■ Phillips P0 screwdriver ■ Torx8 T8 screwdriver ■...
Page 77: Service Considerations
The following sections include some of the considerations that you should keep in mind during disassembly and assembly procedures. ✎ As you remove each subassembly from the tablet PC, place the subassembly (and all accompanying screws) away from the work area to prevent damage. Plastic Parts Using excessive force during disassembly and reassembly can damage plastic parts.
Page 78: Preventing Damage To Removable Drives
■ Before removing or inserting a hard drive, shut down the tablet PC. If you are unsure whether the tablet PC is off or in hibernation, turn the tablet PC on, and then shut it down through the operating system.
Page 79: Preventing Electrostatic Damage
Removal and Replacement Preliminaries 4.4 Preventing Electrostatic Damage Many electronic components are sensitive to electrostatic discharge (ESD). Circuitry design and structure determine the degree of sensitivity. Networks built into many integrated circuits provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt silicon junctions.
Page 80: Packaging And Transporting Precautions
4.5 Packaging and Transporting Precautions Use the following grounding precautions when packaging and transporting equipment: ■ To avoid hand contact, transport products in static-safe containers, such as tubes, bags, or boxes. ■ Protect all electrostatic-sensitive parts and assemblies with conductive or approved containers or packaging. ■...
Page 81: Workstation Precautions
Removal and Replacement Preliminaries 4.6 Workstation Precautions Use the following grounding precautions at workstations: ■ Cover the workstation with approved static-shielding material (refer to ■ Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment. ■...
Page 82: Grounding Equipment And Methods
4.7 Grounding Equipment and Methods Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation. ■ When seated, wear a wrist strap connected to a grounded system. Wrist straps are flexible straps with a minimum of one megohm ±10% resistance in the ground cords.
Page 83 Removal and Replacement Preliminaries Table 4-1 shows how humidity affects the electrostatic voltage levels generated by different activities. Typical Electrostatic Voltage Levels Event Walking across carpet Walking across vinyl floor Motions of bench worker Removing DIPS from plastic tube Removing DIPS from vinyl tray Removing DIPS from Styrofoam Removing bubble pack from PCB Packing PCBs in foam-lined box...
Page 84: Removal And Replacement Procedures
There are as many as 61 screws, in 9 different sizes, that may have to be removed, replaced, or loosened when servicing the tablet PC. Make special note of each screw and screw lock size and location during removal and replacement.
Page 85: Serial Number
Removal and Replacement Procedures 5.1 Serial Number Report the tablet PC serial number to HP when requesting information or ordering spare parts. The serial number is located on the bottom of the tablet PC. Serial Number Location 5–2 Maintenance and Service Guide...
Page 86: Disassembly Sequence Chart
5.2 Disassembly Sequence Chart Use the chart below to determine the section number to be referenced when removing tablet PC components. Disassembly Sequence Chart Section Description Preparing the Tablet PC for Disassembly Battery pack Hard Drive Tablet PC Feet Bluetooth Module...
Page 87 To prevent an unresponsive system and the display of a warning message, install only a Mini Card WLAN device authorized for use in your tablet PC 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 restore tablet PC functionality.
Page 88: Preparing The Tablet Pc For Disassembly
Disassembly Before you begin any removal or installation procedures: 1. Shut down the tablet PC. If you are unsure whether the tablet PC is off or in hibernation, turn the computer on, and then shut it down through the operating system.
Page 89 Battery Pack Spare Part Number Information 6-cell battery pack 4. Remove the battery pack by following these steps: a. Turn the tablet PC upside down with the rear panel toward you. b. Slide the battery release latch 1 toward you. (The right side of the battery pack disengages from the tablet PC.)
Page 90: Hard Drive
5.4 Hard Drive Hard Drive Spare Part Number Information Hard drives (all 5400 rpm; include cover, frame, and connector) 100-GB 80-GB 60-GB 1. Prepare the tablet PC for disassembly Maintenance and Service Guide Removal and Replacement Procedures 419124-001 419126-001 419125-001 (Section 5.3).
Page 91 Removal and Replacement Procedures 2. Loosen the two Phillips PM2.0×5.0 screws 1 that secure the hard drive cover to the tablet PC. 3. Lift the left side of the hard drive cover and swing it to the right 2 and remove it.
Page 92 4. Loosen the Phillips PM2.5×13.0 hard drive retention screw 1. 5. Grasp the mylar tab 2 on the hard drive and slide the hard drive to the right 3 to disconnect it from the system board. 6. Remove the hard drive 4. Removing the Hard Drive Maintenance and Service Guide Removal and Replacement Procedures...
Page 93 Removal and Replacement Procedures 7. Remove the four Phillips PM3.0×4.0 screws 1 that secure the hard drive frame to the hard drive. 8. Lift the frame straight up 2 to remove if from the hard drive. Removing the Hard Drive Frame Reverse the above procedure to reassemble and install the hard drive.
Page 94: Tablet Pc Feet
Removal and Replacement Procedures 5.5 Tablet PC Feet The tablet PC feet are adhesive-backed rubber pads. The feet are included in the Plastics Kit, spare part number 419157-001. Replacing the Tablet PC Feet Maintenance and Service Guide 5–11...
Page 95: Bluetooth Module
1. Prepare the tablet PC for disassembly 2. Remove the hard drive cover 3. Position the tablet PC with the front toward you. 4. Loosen the two Phillips PM2.0×5.0 screws 1 that secure the Bluetooth module cover to the tablet PC.
Page 96 6. Slide the Bluetooth module out of the tablet PC 1. 7. Disconnect the Bluetooth module cable 2 from the board. Removing the Bluetooth Module Reverse the above procedure to install the Bluetooth module. Maintenance and Service Guide Removal and Replacement Procedures...
Page 97: External Memory Module
5.7 External Memory Module Memory Module Spare Part Number Information PC2, 5300 2048-MB 1024-MB 512-MB 256-MB 1. Prepare the tablet PC for disassembly (refer to 2. Position the tablet PC with the front toward you. 5–14 PC2, 4200 419149-001 2048-MB 419145-001 1024-MB 419151-001...
Page 98 3. Loosen the two Phillips PM2.0×5.0 screws 1 that secure the memory module compartment cover to the tablet PC. 4. Lift the left side of the cover and swing it to the right 2 to remove the memory module compartment cover.
Page 99 5. Spread the retaining tabs 1 on each side of the memory module socket to release the memory module. (The side of the module opposite the socket rises away from the tablet PC.) 6. Slide the module away from the socket at an angle 2. 7. Remove the memory module.
Page 100: Keyboard Cover
Keyboard Cover Spare Part Number Information Keyboard cover 1. Prepare the tablet PC for disassembly 2. Position the tablet PC with the front toward you. 3. Remove the two Torx8 T8M2.0×10.0 screws 1 and the two Torx8 T8M2.0×20.0 screws 2 that secure the keyboard cover to the tablet PC.
Page 101 Removal and Replacement Procedures 4. Turn the tablet PC right-side up with the front toward you. 5. Open the tablet PC as far as possible. 6. Lift up the front edges of the keyboard cover until the cover disengages from the tablet PC.
Page 102 Removal and Replacement Procedures 7. Swing the right edge of the keyboard cover forward until the cover disengages from the tablet PC. Removing the Keyboard Cover Reverse the above procedure to install the keyboard cover. Maintenance and Service Guide 5–19...
Page 103: Keyboard
Greece Hungary Iceland Israel Italy Japan Korea 1. Prepare the tablet PC for disassembly 2. Remove the keyboard cover 3. Turn the tablet PC upside down with the front toward you. 5–20 419171-A41 Latin America 419171-201 Norway 419171-221 Portugal 419171-081...
Page 104 Removal and Replacement Procedures 4. Remove the following: 1 Three Torx8 T8M2.0×10.0 screws 2 One Torx8 T8M2.0×5.0 screw Removing the Keyboard Screws Maintenance and Service Guide 5–21...
Page 105 Removal and Replacement Procedures 5. Turn the tablet PC right-side up with the front toward you. 6. Open the tablet PC as far as possible. 7. Slide the keyboard back 1 until the pointing stick cable is accessible. 8. Release the zero insertion force (ZIF) connector to which the pointing stick cable is connected and disconnect the pointing stick cable 2 from the system board.
Page 106 9. Lift the rear edge of the keyboard 1 until it disengages from the tablet PC. 10. Slide the keyboard forward 2 until it rests on the palm rest. 11. Release the ZIF connector to which the keyboard cable is connected and disconnect the keyboard cable 3 from the system board.
Page 107: Fan
Removal and Replacement Procedures 5.10 Fan Fan Spare Part Number Information 1. Prepare the tablet PC for disassembly 2. Remove the keyboard cover 3. Release the keyboard 4. Disconnect the fan cable 1 from the system board. 5. Remove the three Torx8 T8M2.0×8.0 screws 2 that secure the fan to the tablet PC.
Page 108: Heat Sink
Removal and Replacement Procedures 5.11 Heat Sink Heat Sink Spare Part Number Information Heat sink (includes thermal paste) 419161-001 1. Prepare the tablet PC for disassembly (Section 5.3). 2. Remove the keyboard cover (Section 5.8). 3. Release the keyboard (Section 5.9).
Page 109 Removal and Replacement Procedures 6. Lift the right side of the heat sink 1 to disengage it from the processor. 7. Slide the heat sink up and to the right 2 to remove it. ✎ Due to the adhesive quality of the thermal paste located between the heat sink and processor, it may be necessary to move the heat sink from side to side to detach the heat sink from the processor.
Page 110 Removal and Replacement Procedures ✎ The thermal paste should be thoroughly cleaned from the surfaces of the heat sink 1 and processor 2 each time the heat sink is removed. Thermal paste is included with all heat sink and processor spare part kits. Thermal Paste Locations Reverse the above procedure to install the heat sink.
Page 111: Processor
Intel Core Duo T2500 (2.00-GHz) Intel Core Duo T2400 (1.83-GHz) Intel Core Duo T2300 (1.67-GHz) Intel Celeron M 1.60-GHz 1. Prepare the tablet PC for disassembly 2. Remove the keyboard cover 3. Release the keyboard 4. Remove the fan 5. Remove the heat sink 5–28...
Page 112 6. Use a flat-bladed screwdriver to turn the processor locking screw one-half turn counterclockwise 1 until you hear a click. 7. Lift the processor straight up and remove it 2. ✎ The gold triangle 3 on the processor should be aligned with the triangle icon 4 on the processor socket when you install the processor.
Page 113: Internal Memory Module
Removal and Replacement Procedures 5.13 Internal Memory Module Memory Module Spare Part Number Information PC2, 5300 2048-MB 1024-MB 512-MB 256-MB 1. Prepare the tablet PC for disassembly 2. Remove the keyboard cover 3. Release the keyboard 5–30 PC2, 4200 419149-001 2048-MB 419145-001...
Page 114 4. Spread the retaining tabs 1 on each side of the memory module socket to release the memory module. (The side of the memory module opposite the socket rises away from the tablet PC.) 5. Slide the memory module away from the socket at an angle 2.
Page 115: Mini Card Wlan Module
802.11a/b/g DynaStar WLAN module for use in Japan 802.11a/b/g ATMC WLAN card for MOW use 802.11a/b/g ATMC WLAN card for ROW use 802.11a/b/g ATMC WLAN card for use in Japan 1. Prepare the tablet PC for disassembly 2. Remove the keyboard cover 3. Release the keyboard 5–32...
Page 116 4. Make note of which antenna cable is attached to which antenna clip on the Mini Card WLAN module, then disconnect the auxiliary and main antenna cables 1 from the Mini Card WLAN module. 5. Remove the two Phillips PM2.0×5.0 screws 2 that secure the Mini Card WLAN module to the computer.
Page 117: Display Assembly
1. Prepare the tablet PC for disassembly 2. Remove the keyboard cover 3. Remove the keyboard 4. Close the tablet PC. 5. Turn the tablet PC upside down with the rear panel toward you. 5–34 (Section (Section 5.8).
Page 118 Removal and Replacement Procedures 6. Remove the two Torx8 T8M2.0×20.0 screws 1 that secure the base enclosure cover to the tablet PC. 7. Remove the base enclosure cover 1. Removing the Base Enclosure Cover Maintenance and Service Guide 5–35...
Page 119 Removal and Replacement Procedures 8. Disconnect the display cable from the system board. Disconnecting the Display Cable 5–36 Maintenance and Service Guide...
Page 120 9. Turn the tablet PC right-side up with the front toward you. 10. Open the tablet PC as far as possible. 11. Disconnect the wireless antenna cables from the Mini Card WLAN card 1. 12. Disconnect the microphone cable 2 from the system board.
Page 121 14. Rotate the display clockwise 90 degrees 1. 15. Remove the two Torx8 T8M2.0×20.0 screws 2 and the two Phillips PM2.0×8.0 screws 3 that secure the display assembly to the tablet PC. Removing the Display Screws 5–38 Maintenance and Service Guide...
Page 122 16. Position the tablet PC with the rear panel toward you. 17. Lift the display assembly slightly until it disengages from the tablet PC 1. 18. Route the display connector and cable through the opening 2 in the base enclosure.
Page 123: Button Board
Removal and Replacement Procedures 5.16 Button Board Button Board Spare Part Number Information Button board (includes button board cable) 1. Prepare the computer for disassembly and remove the following components: a. Keyboard cover b. Keyboard c. Display assembly 5–40 (Section 5.8) (Section 5.9)
Page 124 Removal and Replacement Procedures 2. Disconnect the button board cable 1 from the system board. 3. Remove the Phillips PM2.0×4.0 screw 2 that secures the button board to the switch cover. Removing the Button Board Screw Maintenance and Service Guide 5–41...
Page 125 Removal and Replacement Procedures 4. Lift the left side of the button board 1 until it rests at angle. 5. Remove the button board 2. Removing the Button Board Reverse the above procedure to install the button board. 5–42 Maintenance and Service Guide...
Page 126: Top Cover
Hard drive b. Keyboard cover c. Keyboard d. Button board e. Display assembly 2. Turn the tablet PC upside down with the front toward you. Maintenance and Service Guide Removal and Replacement Procedures (Section 5.4) (Section 5.8)
Page 127 Removal and Replacement Procedures 3. Remove the seven Torx8 T8M2.0×10.0 screws that secure the top cover to the base enclosure. Removing the Top Cover Screws, Part 1 5–44 Maintenance and Service Guide...
Page 128 4. Turn the tablet PC right-side up with the front toward you. 5. Disconnect the TouchPad cable 1 from the system board. 6. Remove the two Torx8 T8M2.0×20.0 screws 2 and the Phillips PM2.0×4.0 screw 3 that secure the top cover to the tablet PC.
Page 129 Removal and Replacement Procedures 7. Disconnect the TouchPad cable from the system board 1. 8. Lift the rear edge of the top cover 2 until it disengages from the base enclosure. 9. Lift the top cover straight up 3 and remove it. Removing the Top Cover Reverse the above procedure to install the top cover.
Page 130: Touchpad
5.18 TouchPad TouchPad Spare Part Number Information TouchPad (includes cable and bracket) 1. Prepare the tablet PC for disassembly and remove the following components: a. Hard drive b. Keyboard cover c. Keyboard d. Button board e. Display assembly f. Top cover 2.
Page 131 Removal and Replacement Procedures 3. Remove the four Phillips PM2.0×4.0 screws that secure the TouchPad bracket to the top cover. Removing the TouchPad Bracket Screw 5–48 Maintenance and Service Guide...
Page 132 Removal and Replacement Procedures 4. Lift the right side of the TouchPad bracket 1 until it rests at an angle. 5. Slide the TouchPad bracket to the right 2 and remove it. Removing the TouchPad Bracket Maintenance and Service Guide 5–49...
Page 133 Removal and Replacement Procedures 6. Release the ZIF connector to which the TouchPad cable is attached and disconnect the TouchPad cable 1. 7. Slide the TouchPad 2 to the right and remove it. 8. If it is necessary to replace the TouchPad cable, disconnect the cable 3 from the TouchPad board.
Page 134: Speaker
Removal and Replacement Procedures 5.19 Speaker Speaker Spare Part Number Information Speaker 419160-001 1. Prepare the tablet PC for disassembly (Section 5.3) and remove the following components: a. Hard drive (Section 5.4) b. Keyboard cover (Section 5.8) c. Keyboard (Section 5.9)
Page 135 2. Disconnect the speaker cable 1 from the system board and route the cable under the infrared board cable 2. 3. Remove the two Torx8 T8M2.0×5.0 screws 3 that secure the speaker to the tablet PC. 4. Remove the speaker 4. Removing the Speaker Reverse the above procedure to install the speaker.
Page 136: Infrared Board
Removal and Replacement Procedures 5.20 Infrared Board Infrared Board Spare Part Number Information Infrared board (includes infrared board cable) 419113-001 1. Prepare the tablet PC for disassembly (Section 5.3) and remove the following components: a. Hard drive (Section 5.4) b. Keyboard cover (Section 5.8)
Page 137 Removal and Replacement Procedures 2. Release the ZIF connector to which the infrared board cable is connected and disconnect the cable 1 from the system board. 3. Remove the Torx8 T8M2.0×5.0 screw 2 that secures the infrared board to the system board. 4.
Page 138: System Board
Processor ■ Mini Card WLAN module ■ Modem module ■ RTC battery 1. Prepare the tablet PC for disassembly and remove the following components: a. Hard drive b. Bluetooth module c. Keyboard cover d. Keyboard e. Fan f. Heat sink g.
Page 139 Removal and Replacement Procedures 2. Disconnect the Bluetooth module cable 1 from the system board and remove the cable. 3. Remove the four Torx8 T8M2.0×5.0 screws 1 that secure the system board to the computer. Removing the System Board Screws, Part 1 5–56 Maintenance and Service Guide...
Page 140 4. Remove the Torx8 T8M2.0×8.0 screw 2 that secures the hinge saddle to the tablet PC. 5. Remove the hinge saddle 2. 6. Remove the Torx8 T8M2.0×8.0 screw 2 that secures the thermal shield to the tablet PC. 7. Remove the thermal shield 4.
Page 141 Removal and Replacement Procedures ✎ The thermal paste should be thoroughly cleaned from the surfaces of the video chip shield 1 and video chip 2 each time the shield is removed. Thermal paste is included with the system board spare part kit. Video Chip Shield and Video Chip Thermal Paste Locations 5–58 Maintenance and Service Guide...
Page 142 8. Lift the left side of the system board 1 until the hard drive connector 2 is clear of the base enclosure. 9. Slide the system board to the left 3 to remove it. Removing the System Board Reverse the above procedure to install the system board. Maintenance and Service Guide Removal and Replacement Procedures 5–59...
Page 143: Modem Module
Removal and Replacement Procedures 5.22 Modem Module Modem Module Spare Part Number Information Modem module (high-speed 56 K, includes modem module cable) 1. Prepare the tablet PC for disassembly and remove the following components: a. Hard drive b. Bluetooth module c. Keyboard cover d.
Page 144 3. Disconnect the modem cable from the two connectors 1 on the system board. 4. Remove the two Phillips PM2.0×4.0 screws 2 that secure the modem board to the system board. 5. Lift the right side of the modem board 3 to disconnect it from the system board.
Page 145: Rtc Battery
Removal and Replacement Procedures 5.23 RTC Battery RTC Battery Spare Part Number Information RTC battery 1. Prepare the tablet PC for disassembly and remove the following components: a. Hard drive b. Bluetooth module c. Switch cover d. Keyboard e. Fan f.
Page 146 Removal and Replacement Procedures 3. Remove the RTC battery from the system board socket. Removing the RTC Battery Reverse the above procedure to install the RTC battery. Make sure the RTC battery is installed with the “+” sign facing up. Maintenance and Service Guide 5–63...
Page 147: Specifications
Operating (not writing to optical disc) Operating (writing to optical disc) Nonoperating Maintenance and Service Guide Specifications Table 6-1 Tablet PC Metric 30.2 to 31.5 mm 285 mm 235 mm 2.04 kg 18.5 V dc @ 3.5 A - 65 W 3.5 A...
Page 148 Nonoperating Random Vibration Operating Nonoperating ✎ Applicable product safety standards specify thermal limits for plastic surfaces. The tablet PC operates well within this range of temperatures. 6–2 Table 6-1 Tablet PC (Continued) 10% to 90% 5% to 95% -15 m to 3,048 m...
Page 149 Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration Backlight Character display Total power consumption Viewing angle Maintenance and Service Guide Table 6-2 12.1-inch, XGA, TFT Display 20.7 cm 33.1 cm 39.1 cm Up to 16.8 million 150:1 150 nits typical 0.300 ×...
Page 150: Hard Drives
Specifications Dimensions Height Width Weight Interface type Transfer rate Synchronous (maximum) Security Seek times (typical read, including setting) Single track Average Maximum † Logical blocks Disk rotational speed Operating temperature ✎ Certain restrictions and exclusions apply. Consult Customer Care for details. *1 GB = 1 billion bytes when referring to hard drive storage capacity.
Page 151 Dimensions Height Width Depth Weight Energy Voltage Amp-hour capacity Watt-hour capacity Temperature Operating Nonoperating Maintenance and Service Guide Table 6-4 6-cell, Li-Ion Battery Pack 2.00 cm 9.40 cm 13.40 cm 0.34 kg 10.8 V 4.8 Ah 52 Wh 5°C to 45°C 0°C to 60°C Specifications 0.79 in...
Page 152: System Dma
Specifications Hardware DMA DMA0 DMA1* DMA2* DMA3 DMA4 DMA5* DMA6 DMA7 *PC Card controller can use DMA 1, 2, or 5. 6–6 Table 6-5 System DMA System Function Not applicable Not applicable Not applicable Not applicable Direct memory access controller Available for PC Card Not assigned Not assigned...
Page 153: System Interrupts
Hardware IRQ IRQ0 IRQ1 IRQ2 IRQ3 IRQ4 IRQ5* IRQ6 IRQ7* IRQ8 IRQ9* IRQ10* Maintenance and Service Guide Table 6-6 System Interrupts System Function System timer Standard 101-/102-Key or Microsoft Natural Keyboard Cascaded Intel 82801DB/DBM USB2 Enhanced Host Controller—24CD COM1 Conexant AC—Link Audio Intel 82801DB/DBM SMBus Controller—24C3 Data Fax Modem with SmartCP Diskette drive...
Page 154 Specifications System Interrupts (Continued) IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none. ✎ PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4. 6–8 Table 6-6 Intel USB EHCI controller—24CD...
Page 155: System I/O Addresses
I/O Address (hex) 000 - 00F 010 - 01F 020 - 021 022 - 024 025 - 03F 02E - 02F 040 - 05F 044 - 05F 062 - 063 065 - 06F 070 - 071 072 - 07F 080 - 08F 090 - 091 093 - 09F 0A0 - 0A1...
Page 156 Specifications System I/O Addresses (Continued) I/O Address (hex) 0A2 - 0BF 0C0 - 0DF 0E0 - 0EF 0F0 - 0F1 0F2 - 0FF 100 - 16F 170 - 177 178 - 1EF 1F0 - 1F7 1F8 - 200 202 - 21F 220 - 22F 230 - 26D 26E - 26...
Page 157 System I/O Addresses (Continued) I/O Address (hex) 2F0 - 2F7 2F8 - 2FF 300 - 31F 320 - 36F 370 - 377 378 - 37F 380 - 387 388 - 38B 38C - 3AF 3B0 - 3BB 3BC - 3BF 3C0 - 3DF 3E0 - 3E1 3E2 - 3E3...
Page 158: System Memory Map
Specifications Size Memory Address 640 KB 00000000-0009FFFF 128 KB 000A0000-000BFFFF 48 KB 000C0000-000CBFFF 160 KB 000C8000-000E7FFF 64 KB 000E8000-000FFFFF 15 MB 00100000-00FFFFFF 58 MB 01000000-047FFFFF 58 MB 04800000-07FFFFFF 2 MB 08000000-080FFFFF 4 GB 08200000-FFFEFFFF 64 KB FFFF0000-FFFFFFFF 6–12 Table 6-8 System Memory Map System Function Base memory...
Page 159: Screw Listing
Screw Listing This appendix provides specification and reference information for the screws and screw locks used in the tablet PC. All screws and screw locks listed in this appendix are available in the Screw Kit, spare part number 373556-001. Maintenance and Service Guide...
Page 160: Phillips Pm2.0×5.0 Screw
Screw Listing Where used: Two screws that secure the hard drive cover to the tablet PC (documented in Section 5.4) Two screws that secure the memory module compartment drive cover to the tablet PC (documented in Phillips PM2.0×5.0 Screw Locations A–2...
Page 161 Phillips PM2.0×5.0 Screw (Continued) Where used: 2 screws that secure the Bluetooth cover to the tablet PC (screws are captured on the cover by C-clips; documented in Phillips PM2.0×5.0 Screw Locations Maintenance and Service Guide Table A-1 Color Qty. Length Black 5.0 mm...
Page 162 Screw Listing Phillips PM2.5×13.0 Spring-Loaded Hard Drive Retention Screw Where used: One screw that secures the hard drive to the tablet PC (screw is captured on the hard drive frame by a C-clip; documented in Where used: Four screws that secure the hard drive frame to the hard drive (documented Section 5.4)
Page 163 Where used: 2 screws that secure the keyboard cover to the tablet PC (documented in Section 5.8) Torx8 T8M2.0×10.0 Screw Locations Maintenance and Service Guide Table A-4 Torx8 T8M2.0×10.0 Screw Color Qty. Black Screw Listing Length Thread 10.0 mm 2.0 mm...
Page 164 Screw Listing Torx8 T8M2.0×10.0 Screw (Continued) Where used: 3 screws that secure the keyboard to the tablet PC (documented in Torx8 T8M2.0×10.0 Screw Locations A–6 Table A-4 Color Qty. Length Black 10.0 mm Maintenance and Service Guide Head Thread Width 2.0 mm...
Page 165 Torx8 T8M2.0×10.0 Screw (Continued) Where used: 7 screws that secure the top cover to the tablet PC (documented in Section 5.17) Torx8 T8M2.0×10.0 Screw Locations Maintenance and Service Guide Table A-4 Color Qty. Length Black 10.0 mm Screw Listing Head...
Page 166 Screw Listing Where used: 2 screws that secure the keyboard cover to the tablet PC (documented in Section 5.8) Torx8 T8M2.0×20.0 Screw Locations A–8 Table A-5 Torx8 T8M2.0×20.0 Screw Color Qty. Black Length Thread 20.0 mm 2.0 mm Maintenance and Service Guide...
Page 167 Torx8 T8M2.0×20.0 Screw (Continued) Where used: 2 screws that secure the base enclosure cover to the tablet PC (documented in Section 5.15) Torx8 T8M2.0×20.0 Screw Locations Maintenance and Service Guide Table A-5 Color Qty. Length Black 20.0 mm Screw Listing...
Page 168 Screw Listing Torx8 T8M2.0×20.0 Screw (Continued) Where used: 2 screws that secure the display assembly to the tablet PC (documented in Section 5.15) Torx8 T8M2.0×20.0 Screw Locations A–10 Table A-5 Color Qty. Length Black 20.0 mm Maintenance and Service Guide...
Page 169 Torx8 T8M2.0×20.0 Screw (Continued) Where used: 2 screws that secure the top cover to the tablet PC (documented in Section 5.17) Torx8 T8M2.0×20.0 Screw Locations Maintenance and Service Guide Table A-5 Color Qty. Length Black 20.0 mm Screw Listing Head...
Page 170 Screw Listing Where used: One screw that secures the keyboard to the tablet PC (documented in Section 5.9) Torx8 T8M2.0×5.0 Screw Location A–12 Table A-6 Torx8 T8M2.0×5.0 Screw Color Qty. Black Length Thread 5.0 mm 2.0 mm Maintenance and Service Guide...
Page 171 Torx8 T8M2.0×5.0 Screw (Continued) Where used: 2 screws that secure the Mini Card WLAN module to the tablet PC (documented Section 5.14) Torx8 T8M2.0×5.0 Screw Locations Maintenance and Service Guide Table A-6 Color Qty. Length Black 5.0 mm Screw Listing...
Page 172 Torx8 T8M2.0×5.0 Screw (Continued) Where used: Two screws that secure the speaker to the tablet PC (documented in Section 5.19) One screw that secures the infrared board to the tablet PC (documented in Section 5.20) Torx8 T8M2.0×5.0 Screw Locations A–14...
Page 173 Torx8 T8M2.0×5.0 Screw (Continued) Where used: 4 screws that secure the system board to the tablet PC (documented in Section 5.21) Torx8 T8M2.0×5.0 Screw Locations Maintenance and Service Guide Table A-6 Color Qty. Length Black 5.0 mm Screw Listing Head...
Page 174 Screw Listing Where used: 3 screws that secure the fan to the tablet PC (documented in Torx8 T8M2.0×8.0 Screw Locations A–16 Table A-7 Torx8 T8M2.0×8.0 Screw Color Qty. Silver Length Thread 8.0 mm 2.0 mm Section Maintenance and Service Guide...
Page 175 Torx8 T8M2.0×8.0 Screw (Continued) Where used: 2 screws that secure the display assembly to the tablet PC (documented in Section 5.15) Torx8 T8M2.0×8.0 Screw Locations Maintenance and Service Guide Table A-7 Color Qty. Length Silver 8.0 mm Screw Listing Head...
Page 176 Screw Listing Torx8 T8M2.0×8.0 Screw (Continued) Where used: One screw that secures the system board and hinge saddle to the tablet PC (documented in Section One screw that secures the system board and thermal shield to the tablet PC (documented in Section Torx8 T8M2.0×8.0 Screw Locations...
Page 177 Where used: 4 screws that secure the heat sink to the tablet PC (documented in Section 5.11) Torx8 T8M2.5×8.0 Screw Locations Maintenance and Service Guide Table A-8 Torx8 T8M2.5×8.0 Screw Color Qty. Black Screw Listing Length Thread 8.0 mm 2.5 mm...
Page 178: Phillips Pm2.0×4.0 Screw
Screw Listing Where used: One screw that secures the button board to the tablet PC (documented in Section 5.16) One screw that secures the top cover to the tablet PC (documented in Section 5.17) Phillips PM2.0×4.0 Screw Locations A–20 Table A-9 Phillips PM2.0×4.0 Screw...
Page 179 PM2.0×4.0 Screw ( Continued) Where used: 4 screws that secure the TouchPad bracket to the top cover (documented in Section 5.18) Phillips PM2.0×4.0 Screw Locations Maintenance and Service Guide Table A-9 Color Qty. Length Black 4.0 mm Screw Listing Head Thread Width 2.0 mm...
Page 180 Screw Listing PM2.0×4.0 Screw ( Continued) Where used: 2 screws that secure the modem module to the system board (documented in Section 5.22) Phillips PM2.0×4.0 Screw Locations A–22 Table A-9 Color Qty. Length Black 4.0 mm Maintenance and Service Guide Head Thread Width...
Page 181: Safeguarding Your Data
✎ HP installed drivers, utilities, and applications can be copied to a CD or to a DVD using HP Backup and Recovery Manager. ✎ Formatted DVD±RW discs and DVD±RW double-layer discs are not compatible with HP Backup and Recovery Manager.
Page 182: Backing Up Specific Files Or Folders
This process will take several minutes, depending on the file size and the speed of the computer. To back up specific files or folders: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 2. Click Next.
Page 183: Backing Up The Entire Hard Drive
This process may take over an hour, depending on your computer speed and the amount of data being stored. To back up your entire hard drive: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 2. Click Next.
Page 184: Backing Up Modifications Made To The System
You can schedule recovery points for a specific time or event in your system. To create and schedule a system recovery point: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 2. Click Next.
Page 185: Scheduling Backups
Scheduling Backups To schedule backups: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup Scheduler. The “Backup Scheduler” page opens. 2. Click Next. 3. Schedule system recovery points at specific intervals (now, daily, weekly, or monthly) or at specific events, such as at...
Page 186: Creating Recovery Discs
After setting up the computer for the first time, you can create a set of recovery discs of the full factory image, using Recovery Media Creator in the HP Backup and Recovery Manager. The recovery discs are used to start up (boot) the computer and recover the operating system and software to factory settings in case of system failure or instability.
Page 187: Performing A Recovery From The Recovery Discs
Recovery Media Creator, you will be prompted to continue the disc creation process where you left off. To create a set of recovery discs: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 2. Click Next.
Page 188: Performing A Recovery From The Hard Drive
Initiating a Recovery in Windows To initiate a recovery in Windows: 1. Back up all personal files. 2. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 3. Click Next. 4. Click Recover important files or the entire system, and then click Next.
Page 189: Display Component Recycling
Careful handling should be exercised when removing these components. ✎ Materials Disposal This HP product contains mercury in the backlight in the display assembly that might require special handling at end-of-life. Disposal of mercury may be regulated because of environmental considerations. For disposal or recycling information, contact your local authorities or the Electronic Industries Alliance (EIA) http://www.eiae.org...
Page 190 Disassembly procedures differ from one display assembly to another. The procedures provided in this appendix are general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary from one tablet PC model to another. C–2 Maintenance and Service Guide...
Page 191 Display Component Recycling Perform the following steps to disassemble the display assembly: 1. Remove all screw covers 1 and screws 2 that secure the display bezel to the display assembly. Removing the Display Bezel Screw Covers and Screws Maintenance and Service Guide C–3...
Page 192 Display Component Recycling 2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly. 3. Remove the display bezel 3. Removing the Display Bezel C–4 Maintenance and Service Guide...
Page 193 Display Component Recycling 4. Disconnect all display panel cables 1 from the display inverter and remove the inverter 2. Removing the Display Inverter Maintenance and Service Guide C–5...
Page 194 Display Component Recycling 5. Remove all screws 1 that secure the display panel assembly to the display enclosure. 6. Remove the display panel assembly 2 from the display enclosure. Removing the Display Panel Assembly C–6 Maintenance and Service Guide...
Page 195 Display Component Recycling 7. Turn the display panel assembly upside down. 8. Remove all screws that secure the display panel frame to the display panel. Removing the Display Panel Frame Screws Maintenance and Service Guide C–7...
Page 196 Display Component Recycling 9. Use a sharp-edged tool to cut the tape 1 that secures the sides of the display panel to the display panel frame. 10. Remove the display panel frame 2 from the display panel. Removing the Display Frame C–8 Maintenance and Service Guide...
Page 197 11. Remove the screws 1 that secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover 2 and swing it forward. 13. Remove the backlight cover. Removing the Backlight Cover Maintenance and Service Guide Display Component Recycling C–9...
Page 198 Display Component Recycling 14. Turn the display panel right-side up. 15. Remove the backlight cables 1 from the clip 2 in the display panel. Releasing the Backlight Cables C–10 Maintenance and Service Guide...
Page 199 Display Component Recycling 16. Turn the display panel upside down. 17. Remove the backlight frame from the display panel. Removing the Backlight Frame Maintenance and Service Guide C–11...
Page 200 Display Component Recycling Å WARNING: The backlight contains mercury. Caution should be exercised when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. 18. Slide the backlight out of the backlight frame. Removing the Backlight C–12 Maintenance and Service Guide...
Page 201 19. Disconnect the display cable 1 from the LCD panel. 20. Remove the screws 2 that secure the LCD panel to the display rear panel. 21. Release the LCD panel 3 from the display rear panel. 22. Release the tape 4 that secures the LCD panel to the display rear panel.
Page 202 Display Component Recycling 23. Remove the LCD panel. Removing the LCD Panel 24. Recycle the LCD panel and backlight. C–14 Maintenance and Service Guide...
Page 203: Connector Pin Assignments
Connector Pin Assignments Signal Audio out, left channel Audio out, right channel Maintenance and Service Guide Table D-1 Audio-Out (Headphone) Signal Ground D–1...
Page 204: Universal Serial Bus
Connector Pin Assignments Signal Audio signal in Audio signal in Signal +5 VDC Data – D–2 Table D-2 Audio-In (Microphone) Table D-3 Universal Serial Bus Signal Ground Signal Data + Ground Maintenance and Service Guide...
Page 205: External Monitor
Signal Red analog Green analog Blue analog Not connected Ground Ground analog Ground analog Ground analog Maintenance and Service Guide Table D-4 External Monitor Signal +5 VDC Ground Monitor detect DDC 2B data Horizontal sync Vertical sync DDC 2B clock Connector Pin Assignments D–3...
Page 206 Connector Pin Assignments Signal Unused Ring D–4 Table D-5 RJ-11 (Modem) Signal Unused Unused Unused Maintenance and Service Guide...
Page 207 Signal Transmit + Transmit – Receive + Unused Maintenance and Service Guide Table D-6 RJ-45 (Network) Signal Unused Receive – Unused Unused Connector Pin Assignments D–5...
Page 208 Connector Pin Assignments Signal S-VHS color (C) signal Composite video signal S-VHS intensity (Y) signal S-VHS color ground D–6 Table D-7 S-Video-Out Signal TV-CD S-VHS intensity ground Composite video ground Maintenance and Service Guide...
Page 209: Power Cord Set Requirements
Power Cord Set Requirements 3-Conductor Power Cord Set The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 or 220 to 240 volts AC. The power cord set included with the computer meets the requirements for use in the country where the equipment is purchased.
Page 210: General Requirements
Power Cord Set Requirements General Requirements The requirements listed below are applicable to all countries. ■ The length of the power cord set must be at least 1.5 m (5.0 ft) and a maximum of 2.0 m (6.5 ft). ■ All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country where the power cord set will be used.
Page 211: Country-Specific Requirements
Country-Specific Requirements 3-Conductor Power Cord Set Requirements Country/Region Australia Austria Belgium Canada Denmark Finland France Germany Italy Japan ✎ NOTES: 1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 1.0 mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country where it will be used.
Page 212 Power Cord Set Requirements 3-Conductor Power Cord Set Requirements (Continued) Country/Region Korea The Netherlands Norway People’s Republic of China Sweden Switzerland Taiwan United Kingdom United States ✎ NOTES: 1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 1.0 mm² conductor size.
Page 213 accessory battery connector 1–21 arrow keys 1–15 audio troubleshooting 2–21 audio-in jack location 1–9 pin assignments D–2 audio-out jack location 1–9 pin assignments D–1 base enclosure cover location 1–21 spare part number 3–8 3–17 base enclosure, spare part number 3–10 battery bay 1–21 battery light 1–7 battery pack...
Page 214 Index left-side 1–10 rear 1–10 right-side 1–8 top 1–16 Computer Setup Advanced Menu 2–5 Diagnostics Menu 2–4 File Menu 2–2 overview 2–1 Security Menu 2–3 connector pin assignments audio-in D–2 audio-out D–1 external monitor D–3 monitor D–3 RJ-11 D–4 RJ-45 D–5 S-Video-out D–6 Universal Serial Bus (USB) D–2...
Page 215 electrostatic discharge 4–4 4–8 expansion product, troubleshooting 2–14 external monitor port location 1–13 pin assignments D–3 External MultiBay II power cable and stand, spare part number 3–13 External MultiBay II, spare part number 3–13 removal 5–24 spare part number 3–3 3–18 5–24 features 1–2...
Page 216 AC adapter, spare part number 3–17 HP Docking Station Miscellaneous Plastics Kit, spare part number 3–13 3–17 HP Docking Station, spare part number 3–13 I/O address specifications 6–9 Info Center button 1–11 infrared board removal 5–53 spare part number 3–8 3–17...
Page 217 modem cable illustrated 3–12 removal 5–61 modem jack location 1–13 pin assignments D–4 modem module removal 5–60 spare part number 3–8 3–18 5–60 troubleshooting 2–26 monitor port location 1–13 pin assignments D–3 MultiBay DVD/CD-RW Combo Drive, spare part number 3–13 MultiBay DVD-ROM Drive, spare part number 3–13 3–16...
Page 218 1–4 S-Video-out jack system board system DMA 6–6 system memory map 6–12 tablet PC feet A–1 B–1 Tablet PC Input Panel Launch 5–2 tablet PC, specifications 6–1 thermal paste, replacing 5–27 location 1–11 removal 5–51 spare part number 3–8 3–19 5–51...
Page 219 thermal shield removal 5–57 spare part number 3–8 3–19 tools required 4–1 top components 1–16 top cover removal 5–43 spare part number 3–3 3–19 5–43 TouchPad 1–17 removal 5–47 spare part number 3–3 3–19 5–47 TouchPad buttons 1–17 TouchPad cable, disconnecting 5–46 TouchPad scroll zone 1–17 transporting precautions 4–5...

HP COMPAQ TC4400 Maintenance And Service Manual

1 Product Description

2 Troubleshooting

3 Illustrated Parts Catalog

4 Removal and Replacement Preliminaries

5 Removal and Replacement Procedures

Quick Links

Maintenance and Service

Troubleshooting

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Questions and answers

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Summary of Contents for HP COMPAQ TC4400

Table of Contents