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HP Pro Tablet 408 G1
Maintenance and Service Guide
IMPORTANT! This document is intended for
HP authorized service providers only.

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Table of Contents
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Summary of Contents for HP Pro Tablet 408 G1

  • Page 1 HP Pro Tablet 408 G1 Maintenance and Service Guide IMPORTANT! This document is intended for HP authorized service providers only.
  • Page 2 HP End User License Agreement (EULA). If you do not accept these license terms, your sole remedy is to return the...
  • Page 3 Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the device directly on your lap or obstruct the device air vents. Use the device only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow.
  • Page 4 Safety warning notice...
  • Page 5: Table Of Contents

    Table of contents 1 Product description ............................1 2 External component identification ......................... 3 3 Illustrated parts catalog ..........................5 Locating the product number and serial number ....................5 Tablet major components ............................. 6 Miscellaneous parts ............................... 7 4 Removal and replacement preliminary requirements ..................9 Tools required ................................
  • Page 6 6 Using HP PC Hardware Diagnostics (UEFI) ...................... 31 Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ..............31 7 Specifications ............................. 32 8 Backup and recovery ............................ 33 Backing up your information ..........................33 Performing a system recovery ..........................33 Changing the boot device order ......................
  • Page 7: Product Description

    Product description Category Description Product Name HP Pro Tablet 408 G1 Processor Intel® Atom Z3736F 1.33-quad core processor soldered-on-circuit (SoC) Panel 8.0-in, (1280×800), high-definition (HD), 10-point capacitive TouchScreen display assembly Graphics Internal graphics: Integrated Intel universal memory architecture (UMA) graphics Memory On-board;...
  • Page 8 Category Description Operating system (continued) Windows 8.1 with Bing for Small Tablets Multilingual 32-bit Windows 8.1 with Bing for Small Tablets Chinese 32-bit Windows 8.1 Small Screen Touch 32-bit with Office, Home, and Student CPPP Windows 8.1 Professional 32-bit Windows 8.1 Professional 32-bit for Small Tablets Security Firmware trusted platform module (TPM) Serviceability...
  • Page 9: External Component Identification

    External component identification...
  • Page 10 Item Component Item Component Micro HDMI jack Front-facing webcam flash Microphone Rear-facing webcam Micro USB 2.0 port (10) WWAN antenna (2) Audio-out (headphone)/Audio-in (11) Volume up button (microphone) jack Power button (12) Volume down button WLAN antenna (2) (13) Windows button Front-facing webcam (14) Speakers (2)
  • Page 11: Illustrated Parts Catalog

    NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. Locating the product number and serial number The tablet product number (1) and serial number (2) are located on the tablet bottom edge.
  • Page 12: Tablet Major Components

    Tablet major components Item Component Spare part number Back cover 805078-001 Middle frame (includes 4800-mAh, LI battery) For use only on tablet models equipped with 3G capability 805088-001 For use only on tablet models not equipped with 3G capability 805089-001 2.0-MP, fixed-focus, front-facing webcam (includes cable and double-sided adhesive) 805086-001 Display panel cable...
  • Page 13: Miscellaneous Parts

    For use in the United Kingdom 806371-003 HP Pro Tablet 408 G1 equipped with 8.0-in, (1280×800), HD, 10-point capacitive TouchScreen display assembly, an Intel Atom Z3736F 1.33-GHz quad core processor (SoC), a graphics subsystem with UMA memory, 2.0-GB of system memory, 64-GB of eMMC...
  • Page 14 Spare part number HP Pro Tablet 408 G1 equipped with 8.0-in, (1280×800), HD, 10-point capacitive TouchScreen display assembly, an Intel Atom Z3736F 1.33-GHz quad core processor (SoC), a graphics subsystem with UMA memory, 2.0-GB of system memory, and 64-GB of eMMC...
  • Page 15: Removal And Replacement Preliminary Requirements

    Removal and replacement preliminary requirements Tools required You will need the following tools to complete the removal and replacement procedures: ● Magnetic screw driver ● Phillips P0 screw driver ● Plastic case utility tool Service considerations The following sections include some of the considerations that you must keep in mind during disassembly and assembly procedures.
  • Page 16: Grounding Guidelines

    Grounding guidelines Electrostatic discharge damage 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, ESD contains enough power to alter device parameters or melt silicon junctions. A discharge of static electricity from a finger or other conductor can destroy static-sensitive devices or microcircuitry.
  • Page 17: Packaging And Transporting Guidelines

    Packaging and transporting guidelines Follow these grounding guidelines when packaging and transporting equipment: ● To avoid hand contact, transport products in static-safe tubes, bags, or boxes. ● Protect ESD-sensitive parts and assemblies with conductive or approved containers or packaging. ● Keep ESD-sensitive parts in their containers until the parts arrive at static-free workstations.
  • Page 18 Equipment guidelines 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. To provide proper ground, wear a strap snugly against the skin at all times.
  • Page 19: Removal And Replacement Procedures

    PIN is not available, the entire system board must be replaced. Before returning the device for service, be sure to unlock the device using the PIN from the HP Touchpoint Manager website (http://www.hptouchpointmanager.com), and also disable the AORM feature in HP Computer Setup.
  • Page 20: Back Cover

    Back cover Description Spare part number Back cover 805078-001 Display panel assembly, 8.0-in, (1280×800), HD, 10-point capacitive TouchScreen, 16:10 aspect ratio 805079-001 (includes bezel and TouchScreen cable) Before disassembling the tablet, follow these steps: Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on, and then shut it down through the operating system.
  • Page 21: Middle Frame And Battery

    WARNING! To reduce potential safety issues, use only the battery provided with the tablet, a replacement battery provided by HP, or a compatible battery purchased from HP. CAUTION: Removing a battery that is the sole power source for the tablet can cause loss of information.
  • Page 22 Disconnect the battery cable (3) from the system board. Remove the eight Phillips PM2.4×4.8 screws (1) that secure the middle frame to the tablet. Lift the bottom edge of the middle frame (2) until the display panel cable zero insertion force (ZIF) connector is accessible.
  • Page 23: Wwan Antenna

    Remove the middle frame (4) and battery. Reverse this procedure to install the middle frame and battery. WWAN antenna Description Spare part number WWAN antenna (includes antenna cables, transceivers, and double-sided adhesive) 805076-001 Before removing the WWAN antenna, follow these steps: Turn off the tablet.
  • Page 24 Detach the WWAN antenna transceivers (3) from the middle frame. (The WWAN antenna transceivers are attached to the middle frame with double-sided adhesive.) Remove the WWAN antenna (4). Reverse this procedure to install the WWAN antenna. Chapter 5 Removal and replacement procedures...
  • Page 25: Rear-Facing Webcam

    Rear-facing webcam Description Spare part number 8.0-MP, auto-focus, rear-facing webcam (includes cable and double-sided adhesive) 805087-001 Before removing the rear-facing webcam, follow these steps: Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on, and then shut it down through the operating system.
  • Page 26: System Board

    System board Description Spare part number System board equipped with an Intel Atom Z3736F 1.33-GHz quad core processor (SoC), a graphics subsystem with UMA memory, and 2.0-GB of system memory Equipped with 64-GB of eMMC system storage, T-Mobile WWAN capability, and the Windows 8 808084-601 Professional operating system Equipped with 64-GB of eMMC system storage, T-Mobile WWAN capability, and the Windows 8 Standard...
  • Page 27 Remove the shield (2) that covers the display panel cable connector. System board...
  • Page 28 Disconnect the following cables from the system board: (1) WLAN antenna cables from the WLAN antenna terminals on the system board (2) GPS antenna cable from the GPS antenna terminal on the system board (3) Front-facing webcam cable from the ZIF connector on the system board (4) Display panel cable from the ZIF connector on the system board (5) Transfer board cable from the ZIF connector on the system board Turn the middle frame upside down with the volume control buttons facing away.
  • Page 29: Gps Antenna

    Remove the system board (5). Reverse this procedure to install the system board. GPS antenna Description Spare part number GPS antenna: included in the WWAN antenna spare part kit, spare part number 805076-001(includes TBD-001 antenna cables, transceivers, and double-sided adhesive) Before removing the GPS antenna, follow these steps: Turn off the tablet.
  • Page 30: Transfer Board

    Detach the GPS antenna transceiver (2) from the middle frame. (The GPS antenna transceiver is attached to the middle frame with double-sided adhesive.) Remove the GPS antenna. Reverse this procedure to install the GPS antenna. Transfer board NOTE: The transfer board spare part kit includes the transfer board cable. Description Spare part number For use only on tablet models equipped with 3G capability...
  • Page 31 Middle frame and battery (see Middle frame and battery on page Rear-facing webcam (see Rear-facing webcam on page System board (see System board on page Remove the transfer board: Disconnect the speaker cable (1) from the transfer board. Detach the transfer board cable (2) from the middle frame. (The transfer board cable is attached to the middle frame with double-sided adhesive.) Detach the transfer board (3) from the middle frame.
  • Page 32: Display Panel Cable

    Display panel cable Description Spare part number Display panel cable 805081-001 Before removing the display panel cable, follow these steps: Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on, and then shut it down through the operating system.
  • Page 33: Front-Facing Webcam

    Front-facing webcam Description Spare part number 2.0-MP, fixed-focus, front-facing webcam (includes cable and double-sided adhesive) 805086-001 Before removing the front-facing webcam, follow these steps: Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on, and then shut it down through the operating system.
  • Page 34: Wlan Antenna

    WLAN antenna Description Spare part number WLAN antenna (includes antenna cables, transceivers, and double-sided adhesive) 805077-001 Before removing the WLAN antenna, follow these steps: Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on, and then shut it down through the operating system.
  • Page 35: Speakers

    Reverse this procedure to install the WLAN antenna. Speakers Description Spare part number Speakers (include left and right speakers and cables) 805084-001 Before removing the speakers, follow these steps: Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on, and then shut it down through the operating system.
  • Page 36 Detach the speakers (3) from the middle frame. (The speakers are attached to the middle frame with double-sided adhesive.) Remove the speakers. Reverse this procedure to install the speakers. Chapter 5 Removal and replacement procedures...
  • Page 37: Using Hp Pc Hardware Diagnostics (Uefi)

    Using HP PC Hardware Diagnostics (UEFI) HP PC Hardware Diagnostics is a Unified Extensible Firmware Interface (UEFI) that allows you to run diagnostic tests to determine whether the tablet hardware is functioning properly. The tool runs outside the operating system so that it can isolate hardware failures from issues that are caused by the operating system or other software components.
  • Page 38: Specifications

    The tablet operates on DC power, which can be supplied by an AC or a DC power source. The AC power source must be rated at 100–240 V, 50/60 Hz. NOTE: The tablet can operate on DC power using an industry-standard micro-B USB cable. The HP adapter included with the tablet is recommended for charging the tablet. Temperature Operating 5°C to 35°C...
  • Page 39: Backup And Recovery

    For detailed instructions on various backup and restore options, perform a search for these topics in Windows Help and Support. In case of system instability, HP recommends that you print the recovery procedures and save them for later use. NOTE: Windows includes the User Account Control feature to improve the security of your tablet.
  • Page 40: Changing The Boot Device Order

    Changing the boot device order To change the boot order so that you can boot from an external device: NOTE: An external flash drive is required to perform this procedure. If possible, back up all personal files. Shut down the tablet. Connect the external flash drive.
  • Page 41: Power Cord Set Requirements

    Power cord set requirements The wide-range input feature of the tablet permits it to operate from any line voltage from 100 to 120 volts AC, or from 220 to 240 volts AC. The 3-conductor power cord set included with the tablet meets the requirements for use in the country or region where the equipment is purchased.
  • Page 42 Country/region Accredited agency Applicable note number Sweden CEMKO Switzerland Taiwan BSMI The United Kingdom The United States The flexible cord must be 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 or region where it will be used.
  • Page 43: 10 Statement Of Volatility

    Intel-based and AMD-based system boards contain nonvolatile memory subcomponents as originally shipped from HP assuming that no subsequent modifications have been made to the system and assuming that no applications, features, or functionality have been added to or installed on the system.
  • Page 44: Non-Volatile Memory Usage

    HP Sure Start models only) backup of The content is managed Embedded Controller. critical System solely by the HP Sure Start BIOS code, EC Embedded Controller. firmware, and critical PC configuration data for select...
  • Page 45 Code is updated when writing data to this accessible) mouse, & the system BIOS is updated. memory and is available battery on the HP website. Writing management). data to this ROM in an inappropriate manner can render the PC non- functional. DIMM Serial...
  • Page 46: Questions And Answers

    Fingerprint Reader 512kByte Stores By enrolling in HP Only a digitally signed Flash fingerprint ProtectTools Security application can make templates. Manager.
  • Page 47: Using Hp Sure Start (Select Models Only)

    BIOS for attacks or corruption. If the BIOS becomes corrupted or is attacked, HP Sure Start restores the BIOS to its previously safe state automatically, without user intervention. Those select computer models ship with HP Sure Start configured and enabled. Most users can use HP Sure Start with the default configuration.
  • Page 48: 11 Recycling

    Follow the local laws and regulations in your area for battery disposal. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, see the HP Web site at http://www.hp.com/...
  • Page 49: Index

    HDMI jack 4 volume up 4 ports headphone jack 4 Windows 4 product description 1 HP PC Hardware Diagnostics (UEFI) USB 4 downloading 31 power button 4 cables, service considerations 9 HP Sure Start 41 power cord, set requirements 35...
  • Page 50 sensor 1 serviceability 2 video, product description 1 SIM card 1 volume down button 4 video 1 volume up button 4 wireless networking 1 product name 1 webcam removal 19, 27 rear-facing webcam spare part numbers 6, 19, 27 location 4 Windows button 4 removal 19 Windows Refresh 34...

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