background image

NOTE:

If the wireless antenna cables are not connected to the WLAN module terminal, the protective 

sleeves should be installed on the antenna connectors, as shown in the following illustration.

Reverse this procedure to install the WLAN module.

Component replacement procedures

31

Содержание Chromebook 11A G6 EE

Страница 1: ...Maintenance and Service Guide HP Chromebook 11A G6 Education Edition IMPORTANT This document is intended for HP authorized service providers only ...

Страница 2: ...y 2019 Document Part Number L51892 001 Product notice This guide describes features that are common to most models Some features may not be available on your computer To access the latest user guides go to http www hp com support and follow the instructions to find your product Then select User Guides Software terms By installing copying downloading or otherwise using any software product preinsta...

Страница 3: ... 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 Info...

Страница 4: ...iv Safety warning notice ...

Страница 5: ...s 17 Tools required 17 Service considerations 17 Plastic parts 17 Cables and connectors 17 Drive handling 18 Workstation guidelines 18 Electrostatic discharge information 18 Generating static electricity 19 Preventing electrostatic damage to equipment 19 Personal grounding methods and equipment 20 Grounding the work area 20 Recommended materials and equipment 20 Packaging and transporting guidelin...

Страница 6: ...le 30 Speakers 32 USB port board cable 33 USB port board 34 System board 35 Heat sink 38 Display assembly 40 6 Specifications 48 7 Power cord set requirements 49 Requirements for all countries 49 Requirements for specific countries and regions 49 8 Recycling 51 Index 52 vi ...

Страница 7: ...rated HD 720p webcam 1280 720 by 30 frames per second Single microphone with appropriate software echo cancellation noise suppression Two speakers Wireless Integrated wireless local area network WLAN options by way of on board wireless module Two built in WLAN antennas Qualcomm Atheros QCA6174A 5ac 2 2 Bluetooth 4 2 Ports HDMI v1 4b supporting up to 1920 1080 60 Hz via USB C Hot plug unplug and au...

Страница 8: ...criptions continued Category Description 45 W AC adapter non PFC USB Type C 3 pin Power cord 3 wire C5 1 0 m conventional Operating system Google Chrome 64 bit Serviceability End user replaceable part AC adapter 2 Chapter 1 Product description ...

Страница 9: ...fety and Environmental Notices This guide is provided in the box NOTE When a device is connected to the jack the computer speakers are disabled 2 MicroSD memory card reader Reads optional memory cards that store manage share or access information To insert a card 1 Hold the card label side up with connectors facing the computer 2 Insert the card into the memory card reader and then press in on the...

Страница 10: ...tor supplying power to the computer and if needed charging the computer battery and Connects a USB device that has a Type C connector such as a cell phone camera activity tracker or smartwatch and provides data transfer and Connects a display device that has a USB Type C connector providing DisplayPort output NOTE Cables and or adapters purchased separately may be required 4 Chapter 2 Getting to k...

Страница 11: ...C adapter that has a USB Type C connector supplying power to the computer and if needed charging the computer battery and Connects a USB device that has a Type C connector such as a cell phone camera activity tracker or smartwatch and provides data transfer and Connects a display device that has a USB Type C connector providing DisplayPort output NOTE Cables and or adapters purchased separately ma...

Страница 12: ...record video and record still images NOTE Camera functions vary depending on the camera hardware and software installed on your product 4 Internal microphone Records sound The antennas are not visible from the outside of the computer and antenna location varies For optimal transmission keep the areas immediately around the antennas free from obstructions For wireless regulatory notices see the sec...

Страница 13: ...TouchPad Table 2 4 TouchPad components and their descriptions Component Description TouchPad zone Moves the on screen pointer and selects or activates items on the screen TouchPad 7 ...

Страница 14: ...ly to exit Sleep When the computer is on and you want to lock the screen press the button until you see the sign in screen appear Pressing the power button during screen lock mode turns off the computer When the computer is on and you want to turn it off press and hold the button to lock the screen and then continue to press the button until the computer turns off 8 Chapter 2 Getting to know your ...

Страница 15: ... Speakers 2 Produce sound Special keys Table 2 7 Special keys and their descriptions Component Description 1 esc key Activates certain computer functions when pressed in combination with other keys such as Tab or Shift 2 Action keys Execute frequently used system functions Bottom 9 ...

Страница 16: ...t page Full screen Opens your page in full screen mode Display apps Displays open apps NOTE Pressing this button in conjunction with ctrl takes a screenshot Brightness down Decreases the screen brightness incrementally as long as you hold down the key Brightness up Increases the screen brightness incrementally as long as you hold down the key Mute Mutes speaker sound Volume down Decreases speaker ...

Страница 17: ...tablet kickstand Service label Provides important information to identify your computer When contacting support you may be asked for the serial number the product number or the model number Locate this information before you contact support Table 2 9 Service label components Component 1 Model number 2 Serial number 3 Part number 4 Warranty period Regulatory label s Provide s regulatory information...

Страница 18: ...nd changes product parts For complete and current information on supported parts for your computer go to http partsurfer hp com select your country or region and then follow the on screen instructions Computer components 12 Chapter 3 Illustrated parts catalog ...

Страница 19: ...pe not illustrated L14905 001 6a USB port board does not include cable L14923 001 6b USB port board bracket L14359 001 6c USB port board cable included in the Cable Kit spare part number L14906 001 and includes double sided adhesive 7 System board thermal pads L48489 001 8 System board includes processor system memory eMMC storage the Google Chrome operating system and replacement thermal material...

Страница 20: ...L14912 001 2 Webcam microphone module includes double sided adhesive L51916 001 3 Display panel bracket L14913 001 4 Display panel does not include display panel cable Anti glare SVA non touch L51917 001 Anti glare UWVA non touch L51918 001 BrightView UWVA touch L51919 001 5 Display panel cable 14 Chapter 3 Illustrated parts catalog ...

Страница 21: ...e part number AC adapters 90 W AC adapter PFC 4 5 mm 710413 001 45 W AC adapter non PFC USB Type C 3 pin 934739 850 45 W AC adapter non PFC USB C 1 8 m 3 pin L43407 001 Screw Kit L14919 001 Cable Kit includes TouchPad cable and USB port board cable L14906 001 HP Comfort Grip Wireless Mouse 691922 001 HP USB Travel Mouse 757770 001 HP stereo 3 5 mm headset 840339 001 Essential backpack 679923 001 H...

Страница 22: ... L19362 001 398063 003 For use in Italy L19364 001 213352 008 For use in North America L19367 001 213349 009 For use in the People s Republic of China L19368 001 286497 008 For use in South Africa L19369 001 361240 002 For use in South Korea L19366 001 267836 008 For use in Switzerland L19370 001 213354 008 For use in Taiwan L19372 001 393313 003 For use in Thailand L19371 001 For use in the Unite...

Страница 23: ...arts IMPORTANT Using excessive force during disassembly and reassembly can damage plastic parts Cables and connectors IMPORTANT When servicing the computer be sure that cables are placed in their proper locations during the reassembly process Improper cable placement can damage the computer Cables must be handled with extreme care to avoid damage Apply only the tension required to unseat or seat t...

Страница 24: ...n 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 ordinar...

Страница 25: ...00 V 6 000 V 2 000 V Removing DIPs from vinyl tray Removing DIPs from Styrofoam Removing bubble pack from PCB Packing PCBs in foam lined box 2 000 V 3 500 V 7 000 V 5 000 V 4 000 V 5 000 V 20 000 V 11 000 V 11 500 V 14 500 V 26 500 V 21 000 V Electronic components are then multi packaged inside plastic tubes trays or Styrofoam NOTE As little as 700 volts can degrade a product Preventing electrosta...

Страница 26: ...rk area use the following precautions Cover the work surface with approved static dissipative material Provide a wrist strap connected to the work surface and properly grounded tools and equipment Use static dissipative mats foot straps or air ionizers to give added protection Handle electrostatic sensitive components parts and assemblies by the case or PCB laminate Handle them only at static free...

Страница 27: ...ies 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 tra...

Страница 28: ...ves and changes product parts For complete and current information on supported parts for your computer go to http partsurfer hp com select your country or region and then follow the on screen instructions There are as many as 45 screws that must be removed replaced and or loosened when servicing the parts described in this chapter Make special note of each screw size and location during removal a...

Страница 29: ...se in Spain L52192 071 For use in France L52192 051 For use in Switzerland L52192 BG1 For use in Germany L52192 041 For use in Taiwan L52192 AB1 For use in Israel L52192 BB1 For use in Thailand L52192 281 For use in Italy L52192 061 For use in Turkey L52192 141 For use in Latin America L52192 161 For use in the United Kingdom L52192 031 For use in the Netherlands L52192 B31 For use in the United S...

Страница 30: ...p cover 2 from the bottom cover 6 Release the zero insertion force ZIF connector 3 to which the keyboard cable is connected and then disconnect the keyboard cable from the system board 7 Release the ZIF connector 4 to which the TouchPad cable is connected and then disconnect the TouchPad cable from the system board 24 Chapter 5 Removal and replacement procedures for authorized service provider par...

Страница 31: ...8 Remove the keyboard top cover 5 Reverse this procedure to install the keyboard top cover Component replacement procedures 25 ...

Страница 32: ...embly Preparation for disassembly on page 22 2 Remove the keyboard top cover see Keyboard top cover on page 23 Remove the TouchPad cable 1 Detach the TouchPad cable 1 from the keyboard top cover 2 Release the ZIF connector 2 to which TouchPad cable is connected and then disconnect the TouchPad cable from the TouchPad 3 Remove the TouchPad cable Reverse this procedure to install the TouchPad cable ...

Страница 33: ...r see Keyboard top cover on page 23 Remove the TouchPad 1 Disconnect the cable from the TouchPad ZIF connector TouchPad cable on page 26 2 Release the shielding material 1 that covers the top edge of the TouchPad 3 Remove the three Phillips M2 0 2 5 screws 2 that secure the TouchPad and TouchPad bracket to the keyboard top cover 4 Remove the three Phillips M2 0 2 0 broadhead screws 3 that secure t...

Страница 34: ...Remove the keyboard top cover see Keyboard top cover on page 23 Remove the battery 1 Release the tape 1 that secures the battery cable connector to the system board The battery connector tape is available using spare part number L14905 001 2 Disconnect the battery cable from the system board 2 3 Remove the two Phillips M2 0 3 5 screws 1 that secure the battery to the bottom cover 28 Chapter 5 Remo...

Страница 35: ...4 Remove the battery 2 Reverse this procedure to install the battery Component replacement procedures 29 ...

Страница 36: ... these steps 1 Prepare the computer for disassembly Preparation for disassembly on page 22 2 Remove the keyboard top cover see Keyboard top cover on page 23 3 Disconnect the battery see Battery on page 28 Remove the WLAN module 1 Disconnect the wireless antenna cables 1 from the terminals on the WLAN module NOTE The wireless antenna cable labeled 1 MAIN connects to the WLAN module Main terminal Th...

Страница 37: ...re not connected to the WLAN module terminal the protective sleeves should be installed on the antenna connectors as shown in the following illustration Reverse this procedure to install the WLAN module Component replacement procedures 31 ...

Страница 38: ...tery cable from the system board see Battery on page 28 Remove the speakers 1 If a protective tab covers the connector lift the tab 2 Disconnect the speaker cable 1 from the system board 3 Release the speaker cable 2 from the retention channel retention clips built into the bottom cover 4 Remove the two Phillips M2 0 3 5 screws 3 that secure the speakers to the bottom cover 5 Remove the speakers 4...

Страница 39: ... 23 3 Disconnect the battery cable from the system board see Battery on page 28 Remove the USB port board cables 1 If a protective tab covers the connectors lift the tab 2 Release the two reverse ZIF connectors 1 to which the USB port board cables are connected and then disconnect the USB port board cables from the USB port board 3 Release the two reverse ZIF connectors 2 to which the USB port boa...

Страница 40: ...m the system board see Battery on page 28 4 Remove the left speaker see Speakers on page 32 Remove the USB port board 1 If a protective tab covers the connectors lift the tab 2 Release the two reverse ZIF connectors 1 to which the USB port board cables are connected and then disconnect the USB port board cables from the USB port board 3 Remove the two Phillips M2 0 3 5 screws 2 that secure the USB...

Страница 41: ...3 Remove the keyboard top cover see Keyboard top cover on page 23 4 Disconnect the battery cable from the system board see Battery on page 28 5 Remove the WLAN module see WLAN module on page 30 When replacing the system board be sure to remove the heat sink see Heat sink on page 38 from the defective system board and install it on the replacement system board Remove the system board 1 If a protect...

Страница 42: ... left edge of the system board 3 until it rests at an angle 10 Remove the system board 4 by sliding it up and to the left at an angle 11 Remove the system board Reverse this procedure to install the system board When installing a system board install thermal pads in the following locations on the system board 36 Chapter 5 Removal and replacement procedures for authorized service provider parts ...

Страница 43: ... 1 29 mm 22 mm 2 30 mm 30 mm Thermal pads are available using spare part number L48489 001 Component replacement procedures 37 ...

Страница 44: ...stem board on page 35 Remove the heat sink 1 Turn the system board upside down with the front toward you 2 Remove the two Phillips M2 0 2 0 broadhead screws 1 that secure the heat sink to the system board 3 Remove the heat sink 2 NOTE The thermal material must be thoroughly cleaned from the surfaces of the heat sink and the system board components each time the heat sink is removed Replacement the...

Страница 45: ...Reverse this procedure to install the heat sink Component replacement procedures 39 ...

Страница 46: ...the connectors lift the tab 2 Disconnect the WLAN antenna cables 1 from the terminals on the WLAN module NOTE The WLAN antenna cable labeled 1 MAIN connects to the WLAN module Main terminal The WLAN antenna cable labeled 2 AUX connects to the WLAN module Aux terminal 3 Disconnect the display webcam microphone cable 2 from the system board 4 Release the display webcam microphone cable from the rete...

Страница 47: ... display bezel 1 from the display assembly b Release the left and right edges of the display bezel 2 from the display assembly CAUTION There is double sided adhesive 3 on the inside edge of the display bezel bottom edge Use caution when releasing the display bezel bottom edge Failure to follow this caution can result in personal injury or damage to the display bezel c Release the bottom edge of th...

Страница 48: ...it is necessary to replace the webcam microphone module a Detach the webcam microphone module 1 from the display back cover The webcam microphone module is attached to the display back cover with double sided adhesive 42 Chapter 5 Removal and replacement procedures for authorized service provider parts ...

Страница 49: ... using spare part number L51916 001 11 If it is necessary to replace the display panel a Remove the six Phillips M2 0 2 5 screws 1 that secure the display panel and display panel bracket to the display back cover b Remove the display panel bracket 2 NOTE The display panel bracket is available using spare part number L14913 001 Component replacement procedures 43 ...

Страница 50: ... Remove the display panel 3 The display panel is available using the following spare part numbers L51917 001 For use only on computer models equipped with an anti glare SVA non touch display assembly L51918 001 For use only on computer models equipped with an anti glare UWVA non touch display assembly L51919 001 For use only on computer models equipped with a BrightView UWVA touch display assembly...

Страница 51: ...ck cover 2 c Note the routing of the cables near the left hinge 3 NOTE The back cover is available using spare part numbers L14908 001 in chalkboard gray finish and L14911 001 in delicate orange finish and includes the webcam microphone module cable and wireless antennas and cables 13 If it is necessary to replace the display panel cable Component replacement procedures 45 ...

Страница 52: ...using the following spare part numbers and includes double sided adhesive L14915 001 For use only on computer models equipped with a touch display assembly L14914 001 For use only on computer models equipped with non touch display assembly 14 If it is necessary to replace the display hinges a Remove the four Phillips M2 5 4 0 screws 1 that secure the hinges to the bottom cover b Release the hinges...

Страница 53: ...emove the antenna cables from the clips on the left side and top of the display back cover 1 b Peel the antennas off the top of the display back cover and then remove the antennas 2 The wireless antennas are available using spare part number L52273 001 Reverse this procedure to reassemble and install the display assembly Component replacement procedures 47 ...

Страница 54: ... Nonoperating 20 C to 60 C 4 F to 140 F Relative humidity noncondensing 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 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 48 Chapter 6 Specif...

Страница 55: ...ed 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 coupler must meet the mechanical configuration of an EN 60 320 IEC 320 Standard Sheet C13 connector for mating w...

Страница 56: ...figuration 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 conductor 0 75 mm c...

Страница 57: ...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 51 ...

Страница 58: ...ight side 3 computer components 12 connector power 4 D display assembly removal 40 spare part numbers 40 display panel product description 1 removal 43 spare part numbers 14 44 display panel bracket removal 43 spare part number 14 43 display panel cable removal 45 spare part numbers 14 46 E electrostatic discharge ESD 18 preventing damage 19 esc key identifying 9 F forward action key 10 full scree...

Страница 59: ...ocating 11 serviceability product description 2 slots microSD memory card reader 3 nano security cable 5 speaker identifying 9 speakers removal 32 spare part number 13 32 static electricity 19 storage product description 1 system board removal 35 spare part numbers 13 35 T TouchPad removal 27 spare part number 13 27 TouchPad bracket removal 27 spare part number 13 27 TouchPad cable removal 26 spar...

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