HP G2 Maintenance and Service Guide
Contents
1. 24 vi 8 Power cord set requirements cccccsssssccccessseececessnseeecessnsececessenececessanseeecessanseeesesensesecesuansesecessnneeeeeesanees 25 Requirements for all countries cccccecceee eee ceeeceeeeaeeeceeeeee cede ceaaaaeaaneeceeeeeeeeeeaeececaeaaeeeeeeeeeeeeteseeees 25 Requirements for specific countries and regions rnnrrnnnnnnnrrrnnnnnnnrrnnnnennrrrnnnrennrrennrennnrannseennrrrnnsennnnn 25 er EE ME ETE EE EE 27 j rr 28 1 Product description Category Product Name Description HP 8 G21411 Tablet Processor AllWinner A33 ARM cortex A7 1 20 GHz quad core processor Panel 7 85 in 1024x768 5 point IPS capacitive TouchScreen display panel Graphics Mail400 MP2 Memory Supports 1 0 GB DDR3 system memory Mass storage Supports a 16 0 GB Nand solid state drive Audio and video Stereo speakers 2 One microphone on top of tablet Supports MP3 OGG Flac AAC and AMR audio formats 2 0 MP fixed focus rear facing webcam 0 3 MP fixed focus front facing webcam Supports MPEG1 MPEG2 MPEG4 XVID H264 H263 WMV7 8 9 VC 1 VP8 AVS MJPEG VP6 WMV1 2 DIVX video formats Supports JPG BMP GIF and PNG photo formats Sensor Accelerometer G sensor GPS Wireless networking Integrated wireless option WLAN 802 11b g n with WIFiDirect 1 Bluetooth Traditional Mode a Bluetooth 3 0 b Bluetooth 3 0 HS a2. Description Spare part number 0 3 MP front facing webcam includes cable 785181 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 Disconnect the power from the tablet by unplugging the power cord from the tablet Disconnect all external devices from the tablet Remove the back cover see Back cover on page 12 aS p o mw Disconnect the battery cable from the system board see Battery on page 14 Remove the front facing webcam 1 Release the ZIF connector 1 to which the front facing webcam cable is attached and then disconnect the front facing webcam cable from the system board 16 Chapter 5 Removal and replacement procedures 2 Detach the front facing webcam 2 from the display panel assembly The front facing webcam is attached to the display panel assembly with double sided adhesive 3 Remove the front facing webcam and cable Reverse this procedure to install the front facing webcam Front facing webcam 17 Rear facing webcam Description Spare part number 2 0 MP fixed focus rear facing webcam includes cable 773139 001 Before removing the rear facing webcam follow these steps 1 Turn off the tablet If you are unsure whether the tablet is off or in Hibernation turn the tablet on and then shut it d
3. Operating 15 m to 3 048 m 50 ft to 10 000 ft Nonoperating 15 m to 12 192 m 50 ft to 40 000 ft NOTE Applicable product safety standards specify thermal limits for plastic surfaces The device operates well within this range of temperatures 23 7 Backing up and recovering your data Updating apps widgets and the operating system HP recommends that you update your apps widgets and the operating system on a regular basis to the latest versions Updates can resolve issues and bring new features and options to your tablet Technology is always changing and updating apps widgets and the operating system allows your tablet to run the latest technology available For example older apps and widgets might not work well with the most recent operating system Go to the QQ App store to download the latest versions of HP and third party apps and widgets The QQ App store displays the number of existing applications that you can update If you want to update the operating system manually go to http www hp com support Factory data reset To reset all settings and delete all data on the device 1 Touch 5 2 and then touch E 2 Under PERSONAL touch Back up amp reset 3 Under PERSONAL DATA select Factory data reset and then follow the on screen instructions 24 Chapter 7 Backing up and recovering your data 8 Power cord set requirements The wide range input feature of the tablet permits it to operate fr
4. 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 Place items on a grounded surface before removing items from their containers Always be properly grounded when touching a component or assembly Store reusable ESD sensitive parts from assemblies in protective packaging or nonconductive foam Use transporters and conveyors made of antistatic belts and roller bushings Be sure that mechanized equipment used for moving materials is wired to ground and that proper materials are selected to avoid static charging When grounding is not possible use an ionizer to dissipate electric charges Workstation guidelines Follow these grounding workstation guidelines Cover the workstation with approved static shielding material Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment Use conductive field service tools such as cutters screw drivers and vacuums When fixtures must directly contact dissipative surfaces use fixtures made only of static safe materials Keep the work area free of nonconductive materials such as ordinary plastic assembly aids and Styrofoam Handle ESD sensitive components parts and assemblies by the case or PCM laminate Handle these items only at static f
5. 2 in the rear right corner of the tablet Lift the left edge of the back cover 3 until it separates from the display panel assembly Lift the top edge of the back cover 4 until it separates from the display panel assembly Lift the bottom edge of the back cover 5 until it separates from the display panel assembly Back cover 13 7 Remove the back cover 6 Reverse this procedure to install the back cover Battery Description Spare part number Battery 3 7 V 3950 mAh LI includes cable 777233 001 Before removing the battery 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 2 Disconnect the power from the tablet by unplugging the power cord from the tablet 3 Disconnect all external devices from the tablet 4 Remove the back cover see Back cover on page 12 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 To prevent loss of information save your work or shut down the tablet through Windows before removing the battery Remove the battery 1 Unsolder the battery cables 1 from the system board 14 Chapter 5 Removal and replac
6. 6 7 V video product description 1 volume control buttons 3 W webcam removal 16 18 spare part numbers 5 7 16 18 wireless networking product description 1 workstation guidelines 10 Index 29
7. connectors siina Re casas Rx IARE cn deccdandeeg ideas E aaia aa 8 Grounding guidelin s 5 suede erre rir Edd n naa e n n AE ated uta a dec a dea 9 Electrostatic discharge damage mrrnnnrrnnnnannnrrnnnnennrrrnnnennnrrnnnsennrrannsnennrrenesennnrrneseennrnrensennnn 9 Packaging and transporting guidelines sse 10 Workstation guidelines esisiini NA S 10 5 Removal and replacement procedures c csssssssesscscceececeeeecssessecseaeeecsesenseeseesessuaeeasseseeseeeessessssssessaeseeeesens 12 Tablet component replacement procedures cccecceceeeeeeeeeeececeeceaeceeeeeeeeeseeeeceeccaeaeseeeeeeeeeeeeeees 12 sls dT P 12 Battery eT M E 14 Power volume button Board 2 riii i denen a a drehen ane du cU ERR TT EEE Seen CERES 15 Front facing webcam sess enenenennrnnen nnn n seen nnns en en nnns nennen rrr nennen nnns 16 Rear Tacing webcam makaber akebakke 18 SPEAKETS P M EG 19 RAET 1 0 01 LKO ee 20 B SPECION ausaxuscu qi ke dk KE GERD esi XR QE SEE E EM SEE UE RUREE at en ee 23 7 Backing up and recovering your data Lu reri ee reir Ies rapa MES PE EPIRI EEUEHVM EE EXE V9 P Pr kpE FRE PEU ELO EE SASE nsira 24 Updating apps widgets and the operating system ssssssssssssseeem ennen 24 Factory data reset C pL
8. 01 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 G21411 Tablet equipped with a 7 85 in 1024x768 IPS 5 point capacitive TouchScreen display panel assembly an AllWinner A33 ARM cortex A7 1 20 GHz quad core processor graphics subsystem with UMA memory 1 0 GB DDR3 system memory and a 16 GB Nand hard drive and a 3 7 V 3950 mAh LI battery For use only in the Asia Pacific countries and regions 785174 371 For use only in Europe 785174 021 For use only in Latin America 785174 161 For use only in North America 785174 001 Screw Kit 785178 001 USB extension cable 779120 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 Europe 747780 001 5 0 V 2 A AC adapter for use only in the United Kingdom and Singapore 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 Chapter 3 Illustrated parts catalog Spare part number Description 757282 001 5 0 V 2 A AC adapter for use only in India 761437 001 5 0 V 2 A AC adapter for use only in Brazil 773139 001 2 0 MP fixed focus rear facing webcam includes cabl
9. EK 4 Requirements for all countries 25 Country region Accredited agency Applicable note number Sweden CEMKO 1 Switzerland SEV 1 Taiwan BSMI 4 The United Kingdom BSI 1 The United States UL 2 1 The flexible cord must be Type HO5VV F 3 conductor 1 0 mm 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 The flexible cord must be Type SPT 3 or equivalent No 18 AWG 3 conductor The wall plug must be a two pole grounding type with a NEMA 5 15P 15 A 125 V or NEMA 6 15P 15 A 250 V configuration The appliance coupler flexible cord and wall plug must bear a T mark and registration number in accordance with the Japanese Dentori Law The flexible cord must be Type VCT or VCTF 3 conductor 1 00 mm conductor size The wall plug must be a two pole grounding type with a Japanese Industrial Standard C8303 7 A 125 V configuration The flexible cord must be Type RVV 3 conductor 0 75 mm 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 The flexible cord must be Type VCTF 3 conductor 0 75 mm conductor size Power cord set fittings appliance coupler and wall plug must bear the certification mark of the agency responsible f
10. HP 8 G21411 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 August 2014 Document Part Number 776892 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 n
11. SC Chapter 3 Illustrated parts catalog Tablet major components Item Component Spare part number 1 Back cover includes wireless antenna cable and transceiver 785173 001 2 0 3 MP fixed focus front facing webcam includes cable 785181 001 3 2 0 MP fixed focus rear facing webcam includes cable 773139 001 4 Speaker Kit includes top and bottom speakers and cables 785179 001 5 Microphone included with system board spare part number 785180 001 6 Wireless antenna cable and transceiver included with back cover spare part number 785173 001 7 System board equipped with an AllWinner A33 ARM cortex A7 1 20 GHz quad core 785180 001 processor graphics subsystem with UMA memory 1 0 GB DDR3 system memory and a 16 GB Nand hard drive 8 Battery 3 7 V 3950 mAh LI includes cable 777233 001 Tablet major components 5 6 Item Component Spare part number 9 Power volume button board includes cable 785175 001 10 Display panel assembly 7 85 in 1024x768 IPS 5 point capacitive TouchScreen 785177 001 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 Europe 747779 001 For use only in India 757282 001 For use only in North America 745229 0
12. ZIF connector and cable 2 Controller ZIF connector and cable 3 Speaker cables must be unsoldered see Speakers on page 19 4 Power button board ZIF connector and cable 5 Front facing webcam cable 7 Rear facing webcam cable 2 Remove the three Phillips PM1 5x2 5 screws 1 that secure the system board to the display panel assembly 3 Detach the left side of the system board 2 from the display panel assembly The left side of the system board is attached to the display panel assembly with double sided adhesive System board 21 4 Remove the system board 3 Reverse this procedure to install the system board 22 Chapter 5 Removal and replacement procedures 6 Specifications Metric U S Dimensions Width 13 72 cm 5 40 in Depth 20 20 cm 7 95 in Height 0 80 cm 0 32 in Weight lowest weight configuration 320g 0 71 Ib Input power 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 A or micro B USB cable The HP 5V 2A adapter included with your tablet is recommended for charging the tablet Temperature Operating 5 C to 35 C 41 F to 95 F Nonoperating 20 C to 60 C 4 F to 140 F Relative humidity non condensing Operating 10 to 90 Nonoperating 5 to 95 Maximum altitude unpressurized
13. e 777233 001 Battery 3 7 V 3950 mAh LI includes cable 785173 001 Back cover includes wireless antenna cable and transceiver 785174 001 HP 8 G21411 Tablet equipped with a 7 85 in 1024x768 IPS 5 point capacitive TouchScreen display panel assembly an AllWinner A33 ARM cortex A7 1 20 GHz quad core processor graphics subsystem with UMA memory 1 0 GB DDR3 system memory and a 16 GB Nand hard drive and a 3 7 V 3950 mAh LI battery for use only in North America 785174 021 HP 8 G21411 Tablet equipped with a 7 85 in 1024x768 IPS 5 point capacitive TouchScreen display panel assembly an AllWinner A33 ARM cortex A7 1 20 GHz quad core processor graphics subsystem with UMA memory 1 0 GB DDR3 system memory and a 16 GB Nand hard drive and a 3 7 V 3950 mAh LI battery for use only in Euope 785174 161 HP 8 G21411 Tablet equipped with a 7 85 in 1024x768 IPS 5 point capacitive TouchScreen display panel assembly an AllWinner A33 ARM cortex A7 1 20 GHz quad core processor graphics subsystem with UMA memory 1 0 GB DDR3 system memory and a 16 GB Nand hard drive and a 3 7 V 3950 mAh LI battery for use only in Latin America 785174 371 HP 8 G21411 Tablet equipped with a 7 85 in 1024x768 IPS 5 point capacitive TouchScreen display panel assembly an AllWinner A33 ARM cortex A7 1 20 GHz quad core processor graphics subsystem with UMA memory 1 0 GB DDR3 system memory and a 16 GB Nand hard drive and a 3 7 V 3950 mAh LI battery for use on
14. ement procedures 3 Detach the battery 2 from the display panel assembly The battery is attached to the display panel assembly with double sided adhesive Remove the battery Reverse this procedure to install the battery Power volume button board Description Spare part number Power volume button board includes cable 785175 001 Before removing the power volume button board follow these steps i 2 3 4 5 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 Disconnect the power from the tablet by unplugging the power cord from the tablet Disconnect all external devices from the tablet Remove the back cover see Back cover on page 12 Disconnect the battery cable from the system board see Battery on page 14 Remove the power volume button board Release the zero insertion force ZIF connector 1 to which the power volume button board cable is attached and then disconnect the power volume button board cable from the system board Power volume button board 15 2 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 3 Remove the power volume button board and cable Reverse this procedure to install the power volume button board Front facing webcam
15. ile then degrade in the internal layers reducing its life expectancy CAUTION To prevent damage to the tablet 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 Avoid touching pins leads and circuitry Handle electronic components as little as possible If you remove a component place it in an electrostatic safe container The following table shows how humidity affects the electrostatic voltage levels generated by different activities Z CAUTION A product can be degraded by as little as 700 V Typical electrostatic voltage levels Relative humidity Event 10 40 55 Walking across carpet 35 000 V 15 000 V 7 500 V Walking across vinyl floor 12 000 V 5 000 V 3 000 V Motions of bench worker 6 000 V 800 V 400 V Removing DIPS from plastic tube 2 000 V 700 V 400 V Removing DIPS from vinyl tray 11 500 V 4 000 V 2 000 V Removing DIPS from Styrofoam 14 500 V 5 000 V 3 500 V Removing bubble pack from PCB 26 500 V 20 000 V 7 000 V Packing PCBs in foam lined box 21 000 V 11 000 V 5 000 V Grounding guidelines 9 Packaging and transporting guidelines Follow these grounding guidelines when packaging and transporting equipment To avoid hand contact
16. ly in Asia Pacific countries and regions 785175 001 Power volume button board includes cable 785176 001 Cover Kit includes top and bottom covers 785177 001 Display panel assembly 7 85 in 1024x768 IPS 5 point capacitive TouchScreen includes display panel cable and TouchScreen cable 785178 001 Screw Kit 785179 001 Speaker Kit includes top and bottom speakers and cables 785180 001 System board equipped with an AllWinner A33 ARM cortex A7 1 20 GHz quad core processor graphics subsystem with UMA memory 1 0 GB DDR3 system memory and a 16 GB Nand hard drive 785181 001 0 3 MP fixed focus front facing webcam includes cable 779120 001 USB extension cable Sequential part number listing 7 8 4 Removal and replacement preliminary requirements Tools required You will need the following tools to complete the removal and replacement procedures e Magnetic screw driver e Phillips PO screw driver e 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 E NOTE As you remove each subassembly from the tablet place the subassembly and all accompanying screws away from the work area to prevent damage Plastic parts Z CAUTION Using excessive force during disassembly and reassembly can damage plastic parts Use care when handling the plastic parts Apply pressure only at the poin
17. nd c Other backwards modes 2 Bluetooth 4 0 Dual Mode a BLE b Music and voice traditional mode 3 Bluetooth 4 0 Single Mode BLE External expansion Integrated micro SD Card Reader expandable to 32 GB Tflash Storage up to 32 GB Ports e Audio headphone microphone combo jack e Micro SD Card Reader e Micro USB port Power requirements Supports a 3950 mAh Li ion battery USB charging Category Description Supports a 5 V 2 A AC adapter with DC plug and localized cable plug support Operating system Preinstalled Android 4 4 2 Serviceability End user replaceable part AC adapter and USB extension cable 2 Chapter 1 Product description 2 External component identification DOSAG 92999 E 2 o o Item Component Item Component 1 Micro SD Card Reader slot 6 Front facing webcam 2 Microphone 7 Power button 3 Micro USB 2 0 port 8 Volume control buttons 2 4 Audio out headphone Audio in 9 Speakers 2 microphone jack 5 Rear facing webcam 4 3 Illustrated parts catalog Locating tablet serial number product name product number and part number The tablet serial number 1 product name 2 product number 3 and part number 4 are located on the back cover This information is needed when travelling internationally or contacting customer support Compag 2 Modell400 PM XXXXXXXXXX SH XXXXXXXXXX ZE RhM HETNN NO
18. nnectors A NOTE When installing the speakers the red speaker cables should be soldered to the system board positive terminals The black speaker cables should be soldered to the system board negative terminals 2 Release the speaker cables 2 from the clips built into the display panel assembly Speakers 19 3 Detach the speakers 3 from the display panel assembly The speakers are attached to the display panel assembly with double sided adhesive 4 Remove the speakers and cables Reverse this procedure to install the speakers System board Description Spare part number System board equipped with an AllWinner A33 ARM cortex A7 1 20 GHz quad core processor 785180 001 graphics subsystem with UMA memory 1 0 GB DDR3 system memory and a 16 GB Nand hard drive Before removing the system 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 Disconnect the power from the tablet by unplugging the power cord from the tablet Disconnect all external devices from the tablet Remove the back cover see Back cover on page 12 an GN Disconnect the battery cable from the system board see Battery on page 14 Remove the system board 20 Chapter 5 Removal and replacement procedures 1 Disconnect the following cables from the system board 1 TouchScreen
19. om 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 Power cord sets for use in other countries and regions must meet the requirements of the country or region where the tablet is used Requirements for all countries The following requirements are applicable to all countries and regions e The length of the power cord set must be at least 1 0 m 3 3 ft and no more than 2 0 m 6 5 ft e Al power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country or region where the power cord set will be used e The power cord sets must have a minimum current capacity of 10 amps and a nominal voltage rating of 125 or 250 V AC as required by the power system of each country or region e The appliance coupler must meet the mechanical configuration of an EN 60 320 IEC 320 Standard Sheet C13 connector for mating with the appliance inlet on the back of the tablet Requirements for specific countries and regions Country region Accredited agency Applicable note number Australia EANSW 1 Austria OVE 1 Belgium CEBC 1 Canada CSA 2 Denmark DEMKO 1 Finland FIMKO 1 France UTE 1 Germany VDE 1 Italy IMQ 1 Japan METI 3 The Netherlands KEMA 1 Norway NEMKO 1 The People s Republic of China COC 5 South Korea
20. or evaluation in the country or region where it will be used 26 Chapter 8 Power cord set requirements Recycling When a non rechargeable or rechargeable battery has reached the end of its useful life do not dispose of the battery in general household waste 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 27 Index A AC adapter spare part numbers 6 7 audio product description 1 audio in jack 3 audio out jack 3 B back cover removal 12 spare part number 5 7 12 battery removal 14 spare part number 5 7 14 bottom cover spare part number 7 buttons power 3 volume control 3 C cables service considerations 8 Card Reader slot 3 connectors service considerations 8 Cover Kit spare part number 7 D display panel assembly spare part number 6 7 12 display panel product description 1 E electrostatic discharge 9 equipment guidelines 11 external expansion product description 1 F front facing webcam location 3 removal 16 spare part number 5 7 16 28 Index G graphics product description 1 grounding guidelines 9 guidelines equipment 11 grounding 9 packaging 10 transporting 10 workstation 10 H headphone jack 3 J jack
21. otice N 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 iv Safety warning notice Table of contents F RR NNN Ne 1 2 Bend sonet dates suser a SJ Tes er REE EE II LI Ie ere 4 Locating tablet serial number product name product number and part number 4 Tablet major components cereo tete teer teet Ot Gud seed tiet eg aa ce i dekadanse 5 Mile zl aeo 6 Sequential part number listing 2 cerent tenere eterne knee Roc NE 6 4 Removal and replacement preliminary requirements seseeseseeeeeeeeeeeee nennen nennen nnne nnn nnns nnns 8 Tools PEQUINCG pe 8 Service considerations ge AD 8 Plastic parts as EE 8 Gables and
22. own through the operating system Disconnect the power from the tablet by unplugging the power cord from the tablet Disconnect all external devices from the tablet Remove the back cover see Back cover on page 12 mode c qe Disconnect the battery cable from the system board see Battery on page 14 Remove the rear facing webcam 1 Release the ZIF connector 1 to which the rear facing webcam cable is attached and then disconnect the rear facing webcam cable from the system board 2 Release the rear facing webcam 2 from the molding built into the display panel assembly 3 Remove the rear facing webcam and cable Reverse this procedure to install the rear facing webcam 18 Chapter 5 Removal and replacement procedures Speakers Description Spare part number Speaker Kit includes top and bottom speakers and cables 785179 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 Disconnect the power from the tablet by unplugging the power cord from the tablet Disconnect all external devices from the tablet Remove the back cover see Back cover on page 12 as w m Disconnect the battery cable from the system board see Battery on page 14 Remove the speakers 1 Unsolder the speaker cables 1 from the system board speaker co
23. ree workstations Avoid contact with pins leads or circuitry Turn off power and input signals before inserting or removing connectors or test equipment 10 Chapter 4 Removal and replacement preliminary requirements 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 On grounded mats with banana plug connectors use alligator clips to connect a wrist strap When standing use foot straps and a grounded floor mat Foot straps heel toe or boot straps can be used at standing workstations and are compatible with most types of shoes or boots On conductive floors or dissipative floor mats use foot straps on both feet with a minimum of one megohm resistance between the operator and ground To be effective the conductive must be worn in contact with the skin The following grounding equipment is recommended to prevent electrostatic damage Antistatic tape Antistatic smocks aprons and sleeve protectors Conductive bins and other assembly or soldering aids Nonconductive foam Conductive tabletop workstations with ground cords of one megohm resistance Static dissipative tables or floor mats with hard ties to the ground Field service ki
24. s audio in 3 audio out 3 headphone 3 microphone 3 M mass storage device product description 1 memory module product description 1 microphone location 3 product description 1 microphone jack 3 model name 1 O operating system product description 2 P packaging guidelines 10 plastic parts service considerations 8 ports product description 1 USB 2 0 3 power button 3 power cord set requirements 25 power requirements product description 1 power volume button board removal 15 spare part number 6 7 15 processor product description 1 product description audio 1 display panel 1 external expansion 1 graphics 1 mass storage 1 memory module 1 microphone 1 operating system 2 ports 1 power requirements 1 processors 1 product name 1 sensor 1 serviceability 2 video 1 wireless networking 1 product name 1 R rear facing webcam location 3 removal 18 spare part number 5 7 18 S Screw Kit spare part number 6 7 sensor product description 1 service considerations cables 8 connectors 8 plastic parts 8 serviceability product description 2 Speaker Kit spare part number 5 7 19 speakers location 3 removal 19 spare part number 5 7 19 system board removal 20 spare part number 5 7 20 T tablet major components 5 spare part numbers 6 7 specifications 23 tools required 8 top cover spare part number 7 transporting guidelines 10 U USB 2 0 port 3 USB extension cable spare part number
25. t it down through the operating system 2 Disconnect the power from the tablet by unplugging the power cord from the tablet 3 Disconnect all external devices from the tablet Remove the back cover A CAUTION Before turning the display panel assembly upside 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 assembly 1 Place the tablet on a flat surface display panel side down with the SD Card slot and volume control buttons toward you Z CAUTION When inserting the plastic tool into the tablet as described in Step 2 make sure not to insert the tool into the volume control buttons area Failure to follow this caution can result in damage to the tablet Chapter 5 Removal and replacement procedures 2 display panel assembly j m m m n 7 c e e e e i F e e 20000000 ol Remove the four Torx5 TM1 3x4 0 screws that secure the back cover to the EE OE X G N CAUTION When inserting the plastic tool into the tablet as described in Step 3 make sure not to insert the tool into the power button area Failure to follow this caution can result in damage to the tablet Insert a thin plastic tool 1 between the back cover and the display panel assembly The first insertion point should be near the power button
26. ts Static awareness labels Material handling packages Nonconductive plastic bags tubes or boxes Metal tote boxes Electrostatic voltage levels and protective materials The following table lists the shielding protection provided by antistatic bags and floor mats Material Use Voltage protection level Antistatic plastics Bags 1 500 V Carbon loaded plastic Floor mats 7 500 V Metallized laminate Floor mats 5 000 V Grounding guidelines 11 12 5 Removal and replacement procedures Tablet component replacement procedures CAUTION Tablet components described in this chapter should only be accessed by an authorized service provider Accessing these parts can damage the tablet and void the warranty This chapter provides removal and replacement procedures for authorized service provider only parts There are as many as 7 screws that must be removed replaced and or loosened when servicing the tablet Make special note of each screw size and location during removal and replacement Description Spare part number Back cover includes wireless antenna cable and transceiver 785173 001 Display panel assembly 7 85 in 1024x768 IPS 5 point capacitive TouchScreen includes 785177 001 display panel cable 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 shu
27. ts designated in the maintenance instructions Cables and connectors CAUTION When servicing the tablet be sure that cables are placed in their proper locations during the reassembly process Improper cable placement can damage the tablet Cables must be handled with extreme care to avoid damage Apply only the tension required to unseat or seat the cables during removal and insertion Handle cables by the connector whenever possible In all cases avoid bending twisting or tearing cables Be sure that cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced Handle flex cables with extreme care these cables tear easily Chapter 4 Removal and replacement preliminary requirements 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 Even if the spark is neither felt nor heard damage may have occurred An electronic device exposed to ESD may not be affected at all and can work perfectly throughout a normal cycle Or the device may function normally for a wh
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