Hewlett-Packard 8 1400 Tablet Service manual

Compaq 8 1400 Tablet

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

Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. SD Logo is a trademark of its proprietor.

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.

First Edition: November 2013

Document Part Number: 750141-001

Product notice

This guide describes features that are common to most models. Some features may not be available on your tablet.

Software terms

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 is to return the entire unused product (hardware and software) within 14 days for a refund subject to the refund policy of your place of purchase.

For any further information or to request a full refund of the tablet, please contact your local point of sale (the seller).

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. Also, do not allow the AC adapter to contact the skin or a soft surface, such as pillows or rugs or clothing, during operation. The device and the AC adapter comply with the user-accessible surface temperature limits defined by the International Standard for Safety of Information Technology Equipment (IEC 60950).

iii

iv Safety warning notice

Table of contents

1 Product description ........................................................................................................... 1

2 External component identification ..................................................................................... 2

3 Illustrated parts catalog .................................................................................................... 4

Locating the serial number, product number, and model number .................................................... 4

Tablet major components .......................................................................................................... 5

Miscellaneous parts .................................................................................................................. 6

Sequential part number listing .................................................................................................... 6

4 Removal and replacement preliminary requirements ........................................................ 7

Tools required ......................................................................................................................... 7

Service considerations .............................................................................................................. 7

Plastic parts .............................................................................................................. 7

Cables and connectors .............................................................................................. 7

Grounding guidelines ............................................................................................................... 8

Electrostatic discharge damage ................................................................................... 8

Packaging and transporting guidelines ......................................................... 9

Workstation guidelines ................................................................ 9

5 Removal and replacement procedures ............................................................................ 11

Tablet component replacement procedures ................................................................................ 11

Back cover ............................................................................................................................ 11

Battery .................................................................................................................................. 13

Power/volume button board .................................................................................................... 14

Front-facing webcamera ......................................................................................................... 15

Rear-facing webcamera .......................................................................................................... 17

Speakers ............................................................................................................................... 18

Microphone .......................................................................................................................... 19

Antenna ................................................................................................................................ 21

System board ........................................................................................................................ 22

6 Specifications .................................................................................................................. 25

7 Backing up and recovering your data ............................................................................. 26

Updating apps, widgets, and the operating system .................................................................... 26

Factory data reset .................................................................................................................. 26

8 Power cord set requirements .......................................................................................... 27

Requirements for all countries .................................................................................................. 27

Requirements for specific countries and regions ......................................................................... 27

9 Recycling ........................................................................................................................ 29

Index ................................................................................................................................. 30

1 Product description

Category Description

Product Name Compaq 8 1400 Tablet

Processor AllWinner® A31S 1.00-GHz quad core processor

Panel 7.85-in, (1024×768), 5-point IPS capacitive TouchScreen display panel

Graphics PowerVR SGX544MP2*8 core

Memory Supports 1.0-GB DDR3 system memory

Mass storage Supports a 16.0-GB eMMC solid-state drive

Audio and video Stereo speakers (2)

One microphone

Supports MP3, WMA, WAV, Flac, 3GP, audio formats

Front-facing stereo speakers with unique bass reflex port and Tegra StudioNote audio processing

2.0-MP, fixed-focus, rear-facing webcamera

0.3-MP front-facing webcamera

Sensor Accelerometer

Wireless networking Integrated wireless option: 802.11b/g/n with one antenna

External expansion Integrated micro SD Card Reader expandable to 32-GB

Ports

Power requirements Supports a 3800-mAh, Li-ion battery (non-removable), USB charging

Operating system Preinstalled: Android 4.2.2

Serviceability End user replaceable part: AC adapter

Audio: headphone/microphone combo jack

●

Micro SD Card Reader

●

Micro USB port

●

Supports a 5V 2A AC adapter with DC plug and localized cable plug support

2 External component identification

Item Component Item Component

(1) Micro SD Card Reader slot (6) Front-facing webcamera

(2) Microphone (7) Power button

(3) Micro USB 2.0 port (8) Volume control buttons (2)

2 Chapter 2 External component identification

Item Component Item Component

(4) Audio-out (headphone)/Audio-in

(microphone) jack

(5) Rear-facing webcamera

(9) Speakers (2)

3 Illustrated parts catalog

Locating the serial number, product number, and model number

The serial number and product number of your tablet are located on the left edge of the tablet. The model number of your tablet is located on the back of your tablet. You may need the information when you travel internationally or when you contact support.

4 Chapter 3 Illustrated parts catalog

Tablet major components

Item Component Spare part number

(1) Back cover 753185-001

(2) Front-facing webcamera (includes cable) 753192-001

(3) Rear-facing webcamera (includes cable) 753193-001

(4) Speaker Kit (includes left and right speakers and cables) 754528-001

(5) Microphone (includes cable) 754529-001

(6) Antenna Kit (includes wireless antenna cables and transceiver) 754530-001

(7) System board equipped with AllWinner A31S 1.00-GHz quad core processor,

graphics subsystem with UMA memory, 1.0-GB DDR3 system memory, and 16-GB eMMC hard drive

(8) Battery, 3.7-V, 3800-mAh, LI (includes cable) 752104-001

753191-001

Tablet major components

Item Component Spare part number

(9) Power/volume button board (includes cable) 753188-001

(10) 7.85-in, TouchScreen display panel assembly (includes display panel cable

and TouchScreen cable)

Miscellaneous parts

Component Spare part number

3-W, 240-V ac, 50/60-Hz, 5.0-V 2-A AC adapter 752105-001

Compaq 8 1400 Tablet equipped with AllWinner A31S 1.00-GHz quad core processor,

graphics subsystem with UMA memory, 1.0-GB DDR3 system memory, and 16-GB eMMC hard drive

Screw Kit 753190-001

USB extension cable 753186-001

Sequential part number listing

Spare part number Description

753189-001

753187-001

752105-001 3-W, 240-V ac, 50/60-Hz, 5.0-V 2-A AC adapter

754530-001 Antenna Kit (includes wireless antenna cables and transceiver)

753185-001 Back cover

752104-001 Battery, 3.7-V, 3800-mAh, LI (includes cable)

753189-001 7.85-in, TouchScreen display panel assembly (includes display panel cable and TouchScreen cable)

754529-001 Microphone (includes cable)

753190-001 Screw Kit

754528-001 Speaker Kit (includes left and right speakers and cables)

753191-001 System board equipped with AllWinner A31S 1.00-GHz quad core processor, graphics subsystem

with UMA memory, 1.0-GB DDR3 system memory, and 16-GB eMMC hard drive

753187-001 Compaq 8 1400 Tablet equipped with AllWinner A31S 1.00-GHz quad core processor, graphics

subsystem with UMA memory, 1.0-GB DDR3 system memory, and 16-GB eMMC hard drive

753186-001 USB extension cable

753188-001 Power/volume button board (includes cable)

753192-001 Front-facing webcamera (includes cable)

753193-001 Rear-facing webcamera (includes cable)

6 Chapter 3 Illustrated parts catalog

+ 25 hidden pages