HP Compaq Presario SR1922X, Compaq Presario SR1927ES Service Guide
HP 8 Tablet
Maintenance and Service Guide
IMPORTANT! This document is intended for
HP authorized service providers only.
© Copyright 2014 Hewlett-Packard
Development Company, L.P.
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: April 2014
Document Part Number: 780191-001
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 ........................................................ 8
Tools required ......................................................................................................................... 8
Service considerations .............................................................................................................. 8
Plastic parts .............................................................................................................. 8
Cables and connectors .............................................................................................. 8
Grounding guidelines ............................................................................................................... 9
Electrostatic discharge damage ................................................................................... 9
Packaging and transporting guidelines ....................................................... 10
Workstation guidelines .............................................................. 10
5 Removal and replacement procedures ............................................................................ 12
Tablet component replacement procedures ................................................................................ 12
Back cover ............................................................................................................................ 12
Battery .................................................................................................................................. 14
Power/volume button board .................................................................................................... 15
Front-facing webcamera ......................................................................................................... 16
Rear-facing webcamera .......................................................................................................... 18
Speakers ............................................................................................................................... 19
Microphone .......................................................................................................................... 20
Antenna ................................................................................................................................ 22
System board ........................................................................................................................ 23
v
6 Specifications .................................................................................................................. 26
7 Backing up and recovering your data ............................................................................. 27
Updating apps, widgets, and the operating system .................................................................... 27
Factory data reset .................................................................................................................. 27
8 Power cord set requirements .......................................................................................... 28
Requirements for all countries .................................................................................................. 28
Requirements for specific countries and regions ......................................................................... 28
9 Recycling ........................................................................................................................ 30
Index ................................................................................................................................. 31
vi
1 Product description
Category Description
Product Name HP 8 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 5-V, 2-A AC adapter with DC plug and localized cable plug support
1
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
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 762004-001
(2) Front-facing webcamera (includes cable) 767236-001
(3) Rear-facing webcamera (includes cable) 773139-001
(4) Speaker Kit (includes left and right speakers and cables) 773138-001
(5) Microphone (includes cable) 773135-001
(6) Antenna Kit (includes wireless antenna cables and transceiver) 773133-001
(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) 773134-001
762005-001
Tablet major components
5
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
5.0-V, 2-A AC adapter:
For use only in Argentina 757042-001
For use only in Australia 757043-001
For use only in Brazil 761437-001
For use only in European countries and regions 747779-001
For use only in India 757282-001
For use only in North America 745229-001
For use only in the People's Republic of China 757280-001
For use only in the United Kingdom and Singapore 747780-001
HP 8 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
773137-001
760742-001
Screw Kit 753190-001
USB extension cable 770129-001
Sequential part number listing
Spare part number Description
745229-001 5.0-V, 2-A AC adapter for use only in North America
747779-001 5.0-V, 2-A AC adapter for use only in European countries and regions
747780-001 5.0-V, 2-A AC adapter for use only in the United Kingdom and Singapore
753188-001 Power/volume button board (includes cable)
753190-001 Screw Kit
757042-001 5.0-V, 2-A AC adapter for use only in Argentina
757043-001 5.0-V, 2-A AC adapter for use only in Australia
757280-001 5.0-V, 2-A AC adapter for use only in the People's Republic of China
757282-001 5.0-V, 2-A AC adapter for use only in India
6 Chapter 3 Illustrated parts catalog
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