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HP 7 VoiceTab Tablet
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 7 VoiceTab

  • Page 1 HP 7 VoiceTab Tablet Maintenance and Service Guide IMPORTANT! This document is intended for HP authorized service providers only.
  • Page 2 By installing, copying, downloading, or otherwise using any software product preinstalled on this tablet, you agree to be bound by the terms of the HP End User License Agreement (EULA). If you do not accept these license terms, your sole remedy...
  • 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 ....................4 Locating the part number and serial number ................4 Tablet major components ......................5 Miscellaneous parts ........................6 Sequential part number listing ....................7 4 Removal and replacement preliminary requirements ............
  • Page 6 Rear-facing webcam ....................... 24 Power/volume button board ....................25 RF cable ..........................26 USB board ..........................27 System board ........................28 6 Specifications ........................31 7 Power cord set requirements ..................32 Requirements for all countries ....................32 Requirements for specific countries and regions ................. 32 8 Recycling ........................
  • Page 7: Product Description

    Product description Category Description Product Name HP 7 VoiceTab Tablet Chipset/processor MT8382 QC A7 1.30-GHz processor Graphics Mali 400 MP2 500-MHz Panel 6.95-in, transmissive liquid crystal display (LCD), (600×1024), TN, 5-point MultiTouch display assembly Memory Supports 1 GB system memory, integrated onto system board...
  • Page 8 Category Description Ports Micro USB type B with MHL support ● Micro SD slot ● Micro SIM slot ● Audio jack: 3.5-mm with microphone ● Power requirements Supports a 3000-mAh, USB-charging battery Supports a 5V-1A, USB cable AC adapter Operating system Preinstalled: Android 4.4.2 Serviceability End user replaceable parts: AC adapter and USB cable...
  • Page 9: External Component Identification

    External component identification Item Component Item Component Audio-out (headphone)/Audio-in Volume control buttons (microphone) jack Rear-facing webcam Micro SD Card Reader slot Front-facing webcam Microphone Speaker Microphone Power button (10) Micro USB port...
  • Page 10: Illustrated Parts Catalog

    Illustrated parts catalog Locating the part number and serial number The tablet part number (1) and serial number (2) are located on the back cover. This information may be needed when travelling internationally or when contacting support. Chapter 3 Illustrated parts catalog...
  • Page 11: Tablet Major Components

    Tablet major components Item Component Spare part number SIM slot cover 781986-001 Back cover 781978-001 Middle frame (includes power/volume button actuator, shielding, and 781980-001 speaker gaskets) Speaker Kit (includes left and right speakers) 781987-001 Rear-facing webcam (includes cable and double-sided adhesive): 5.0-MP, auto-focus webcam 791010-001 2.0-MP, fixed-focus webcam...
  • Page 12: Miscellaneous Parts

    Spare part number AC adapter (5-V/1-A , includes plug) 781976-001 HP 7 VoiceTab Tablet equipped with a 6.95-in, 600×1024, TN, transmissive LCD, CTP, 5- 781981-001 point TouchScreen display panel, an MT8382, QC, A7, 1.30-GHz processor, 1.0-GB of system memory, 8-GB eMMC system storage, and a 3000-mAh, USB-charging battery...
  • Page 13: Sequential Part Number Listing

    Middle frame (includes power/volume button actuator, shielding, and speaker gaskets) 781981-001 HP 7 VoiceTab Tablet equipped with a 6.95-in, 600×1024, TN, transmissive LCD, CTP, 5-point TouchScreen display panel, an MT8382, QC, A7, 1.30-GHz processor, 1.0-GB of system memory, 8-GB eMMC system storage, and a 3000-mAh, USB-charging battery...
  • Page 14: 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: Flat-bladed screw driver ● Magnetic screw driver ● Phillips P0 screw driver ● Phillips P00 screw driver ● Service considerations The following sections include some of the considerations that you must keep in mind during disassembly and assembly procedures.
  • Page 15: Drive Handling

    Drive handling CAUTION: Drives are fragile components that must be handled with care. To prevent damage to the computer, damage to a drive, or loss of information, observe these precautions: Before removing or inserting a drive, shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  • Page 16 CAUTION: To prevent damage to the computer when you are removing or installing internal components, observe these precautions: Keep components in their electrostatic-safe containers until you are ready to install them. Before touching an electronic component, discharge static electricity by using the guidelines described in this section.
  • 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

    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

    Accessing these components can damage the tablet or void the warranty. NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for the tablet/keyboard, go to http://partsurfer.hp.com, select the country or region, and then follow the on-screen instructions.
  • Page 20: Back Cover

    Remove the SIM slot cover (3). Reverse this procedure to install the SIM slot cover. Back cover Description Spare part number Back cover (includes power/volume button actuator, shielding, and speaker gaskets) 781978-001 Before removing the back cover, follow these steps: Turn off the tablet.
  • Page 21 CAUTION: Before positioning the tablet with display panel facing down, make sure the work surface is clear of tools, screws, and any other foreign objects. Failure to follow this caution can result in damage to the display panel. Position the tablet with the display panel facing down and the micro SD Card Reader slot toward you.
  • Page 22: Middle Frame

    Middle frame Description Spare part number Middle frame (includes power/volume button actuator, shielding, and speaker gaskets) 781980-001 Before removing the middle frame, 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 23 Remove the middle frame (2). NOTE: If the power/volume button actuator should become displaced during the removal of the middle frame, install the actuator into the openings in the middle frame as indicated in the following illustration. The power/volume button actuator is included in the middle frame spare part kit. Reverse this procedure to install the middle frame.
  • Page 24: Speakers

    Speakers Description Spare part number Speaker Kit (includes left and right speakers) 781987-001 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 25: 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 26: Front-Facing Webcam

    Remove the battery (3). Reverse this procedure to install the battery. Front-facing webcam Description Spare part number 0.3-MP front-facing webcam (includes cable) 781989-001 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 27: Vibrator Module

    Remove the front-facing webcam (2) and cable. Reverse this procedure to install the front-facing webcam. Vibrator module Description Spare part number Vibrator module (includes cable and double-sided adhesive) 782203-001 Before removing the vibrator module, 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 28: Receiver Module

    Remove the vibrator module: Unsolder the vibrator module cables (1) from the system board. NOTE: The vibrator module red cable is soldered to the system board “+” vibrator module terminal. The vibrator module black cable is soldered to the system board “-” vibrator module terminal.
  • Page 29 Remove the middle frame (see Middle frame on page 16). Disconnect the battery cable from the system board (see Battery on page 19). Remove the receiver module: Unsolder the receiver module cables (1) from the system board. NOTE: The receiver module red cable is soldered to the system board “+” receiver module terminal.
  • Page 30: Rear-Facing Webcam

    Rear-facing webcam Description Spare part number 5.0-MP, auto-focus, rear-facing webcam (includes cable and double-sided adhesive) 791010-001 2.0-MP, fixed-focus, rear-facing webcam (includes cable and double-sided adhesive) 781990-001 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 31: Power/Volume Button Board

    Reverse this procedure to install the rear-facing webcam. Power/volume button board Description Spare part number Power/volume button board (includes cable, shielding tape, and double-sided adhesive) 781983-001 Before removing the power/volume button board, 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 32: Rf Cable

    Detach the power/volume button board (2) from the display panel assembly. (The power/volume button board is attached to the display panel assembly with double-sided adhesive.) Remove the power/volume button board and cable. Reverse this procedure to install the power/volume button board. RF cable Description Spare part number...
  • Page 33: Usb Board

    Remove the RF cable (2). Reverse this procedure to install the RF cable. USB board Description Spare part number USB board (includes cable, USB power connector, and bottom speaker cable) 781982-001 Before removing the USB board, 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: System Board

    Remove the USB board: Release the ZIF connector (1) to which the USB board cable is attached, and then disconnect the USB board cable from the system board. Detach the bottom speaker cable (2) from the display panel assembly. (The bottom speaker cable is attached to the display panel assembly with double-sided adhesive.) Remove the two Phillips PM1.4×3.6 screws (3) that secure the USB board to the display panel assembly.
  • Page 35 Remove the SIM slot cover (see SIM slot cover on page 13). Remove the back cover (see Back cover on page 14). Remove the middle frame (see Middle frame on page 16). Disconnect the battery cable from the system board (see Battery on page 19).
  • Page 36 Release the ZIF connector (3) to which the USB board cable is attached, and then disconnect the USB board cable from the system board. Disconnect the display panel cable (4). Remove the Phillips PM1.4×3.6 screw (1) that secures the system board to the display panel assembly.
  • Page 37: 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, 0.3-1.0 A. NOTE: The tablet can operate on DC power using an industry-standard micro-B USB cable. The HP adapter included with your tablet is recommended for charging the tablet. Temperature Operating 5°C to 35°C...
  • Page 38: 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 39 Country/region Accredited agency Applicable note number Germany Italy Japan METI The Netherlands KEMA Norway NEMKO The People's Republic of China South Korea 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 40: 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/recycle. Chapter 8 Recycling...
  • Page 41: Index

    Index AC adapter, spare part number front-facing webcam operating system, product 6, 7 location 3 description 2 ambient light sensor rubber gasket, removal 20 spare part number 6, 7 spare part number 5, 7, 20 packaging guidelines 11 antenna, spare part number 6, 7 plastic parts, service audio, product description 1 graphics, product description 1...
  • Page 42 rear-facing webcam vibrator module location 3 removal 21 removal 24 spare part number 5, 7, 21 spare part numbers 5, 7, 24 video, product description 1 receiver module volume control button 3 removal 22 spare part number 5, 7, 22 webcam RF board, spare part number 6, 7 removal 20, 24...

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