HP Compaq 8 1400, Maintenance And Service Manual

Page 1: ...Compaq 8 1400 Tablet Maintenance and Service Guide IMPORTANT This document is intended for HP authorized service providers only ...

Page 2: ...s 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 Agr...

Page 3: ...w 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 Inf...

Page 4: ...iv Safety warning notice ...

Page 5: ...ent 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 Rea...

Page 6: ...ecovering 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 vi ...

Page 7: ... 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 Audio headphone microphone combo jack Micro SD Card Reader Micro USB port Powe...

Page 8: ...t 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 ...

Page 9: ...Item Component Item Component 4 Audio out headphone Audio in microphone jack 9 Speakers 2 5 Rear facing webcamera 3 ...

Page 10: ...he 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 ...

Page 11: ...eft 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 753191 001 8 Battery 3 7 V 3800 mAh LI includes cable 752104 001 Tablet major comp...

Page 12: ... 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 ...

Page 13: ...eassembly can damage plastic parts Use care when handling the plastic parts Apply pressure only at the points 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 ...

Page 14: ... 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 ho...

Page 15: ... 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 cond...

Page 16: ...n 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 dissip...

Page 17: ...t Make special note of each screw size and location during removal and replacement Back cover Description Spare part number Back cover 753185 001 7 85 in TouchScreen display panel assembly includes display panel cable and TouchScreen cable 753189 001 Before disassembling the tablet follow these steps 1 Turn off the tablet If you are unsure whether the tablet is off or in Hibernation turn the table...

Page 18: ...TM1 3 4 0 screws that secure the back cover to the display panel assembly 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 3 Insert a thin plastic tool 1 between the back cover and the display panel assembly The first insertion point should be ...

Page 19: ... 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 11 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 ...

Page 20: ...ablet 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 11 5 Disconnect the battery cable from the system board see Battery on page 13 Remove the power volume button board 1 ...

Page 21: ... facing webcamera includes cable 753192 001 Before removing the front facing webcamera 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 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 Remo...

Page 22: ...ebcamera cable from the system board 2 Detach the front facing webcamera 2 from the display panel assembly The front facing webcamera is attached to the display panel assembly with double sided adhesive 3 Remove the front facing webcamera and cable Reverse this procedure to install the front facing webcamera 16 Chapter 5 Removal and replacement procedures ...

Page 23: ...ging the power cord from the tablet 3 Disconnect all external devices from the tablet 4 Remove the back cover see Back cover on page 11 5 Disconnect the battery cable from the system board see Battery on page 13 Remove the rear facing webcamera 1 Release the ZIF connector 1 to which the rear facing webcamera cable is attached and then disconnect the rear facing webcamera cable from the system boar...

Page 24: ... power cord from the tablet 3 Disconnect all external devices from the tablet 4 Remove the back cover see Back cover on page 11 5 Disconnect the battery cable from the system board see Battery on page 13 Remove the speakers 1 Unsolder the speaker cables 1 from the system board speaker connectors NOTE When installing the speakers the red speaker cables should be soldered to the system board positiv...

Page 25: ...754529 001 Before removing the microphone 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 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 11 5...

Page 26: ...able should be soldered to the system board positive terminal The black microphone cable should be soldered to the system board negative terminal 2 Release the microphone 2 from the molding built into the display panel assembly 3 Remove the microphone and cable Reverse this procedure to install the microphone 20 Chapter 5 Removal and replacement procedures ...

Page 27: ... 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 11 5 Disconnect the battery cable from the system board see Battery on page 13 Remove the antenna board 1 Unsolder the antenna cable 1 from the system board antenna connector 2 Detach the antenna transceiver 2 from the display panel assembly The ...

Page 28: ...board 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 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 11 5 Disconnect the battery cable from t...

Page 29: ...ing webcamera cable 6 Antenna cable must be unsoldered see Antenna on page 21 7 Rear facing webcamera cable 8 Microphone cable must be unsoldered see Microphone on page 19 2 Remove the three Phillips PM1 5 2 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...

Page 30: ...4 Remove the system board 3 Reverse this procedure to install the system board 24 Chapter 5 Removal and replacement procedures ...

Page 31: ...ndustry 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 Operating 15 m to 3 048 m 50 ft to 10 000 ft Nonoperating 15 m to 12 192 m 50 ...

Page 32: ...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 a...

Page 33: ...t 1 0 m 3 3 ft and no more than 2 0 m 6 5 ft All 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 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 The appliance coupl...

Page 34: ...5P 15 A 250 V configuration 3 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 4 The flexible cord must be Type RVV 3 co...

Page 35: ...e 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 29 ...

Page 36: ...packaging 9 transporting 9 workstation 9 H headphone jack 3 J jacks audio in 3 audio out 3 headphone 3 microphone 3 M mass storage device product description 1 memory module product description 1 microphone location 2 product description 1 removal 19 spare part number 5 6 19 microphone jack 3 model name 1 O operating system product description 1 P packaging guidelines 9 plastic parts service consi...

Page 37: ...removal 18 spare part number 5 6 18 system board removal 22 spare part number 5 6 22 T tablet major components 5 spare part number 6 specifications 25 tools required 7 transporting guidelines 9 U USB 2 0 port 2 USB extension cable spare part number 6 V video product description 1 volume control buttons 2 W webcamera removal 15 17 spare part numbers 5 6 15 17 wireless antenna removal 21 spare part ...