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3.

Remove the WLAN module (3) by pulling the module away from the slot at an angle.

Reverse this procedure to install the WLAN module.

Component replacement procedures

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Summary of Contents for Chromebook PC

Page 1: ...HP Chromebook PC Maintenance and Service Guide IMPORTANT This document is intended for HP authorized service providers only ...

Page 2: ...al warranty HP shall not be liable for technical or editorial errors or omissions contained herein First Edition May 2018 Document Part Number L15921 001 Product notice This guide describes features that are common to most models Some features may not be available on your computer Software terms By installing copying downloading or otherwise using any software product preinstalled on this computer...

Page 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...

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

Page 5: ...ools required 14 Service considerations 14 Plastic parts 14 Cables and connectors 15 Grounding guidelines 16 Electrostatic discharge damage 16 Packaging and transporting guidelines 17 Workstation guidelines 17 Equipment guidelines 18 5 Removal and replacement procedures for authorized service provider parts 19 Component replacement procedures 19 Display panel assembly 20 Touchscreen control board ...

Page 6: ...odule 36 Rear webcam 37 Left speaker 38 System board 39 WLAN module 42 6 Specifications 44 Computer specifications 44 31 24 cm 12 3 in display specifications 45 7 Power cord set requirements 46 Requirements for all countries 46 Requirements for specific countries and regions 47 8 Recycling 49 Index 50 vi ...

Page 7: ...GB max system memory in the following configurations 65536 MB 32768 MB 2 49152 MB 32768 MB 1 16384 MB 1 16384 MB 16384 MB 1 eMMC For models equipped with the i5 7Y54 processor 65536 MB For models equipped with an M3 7Y30 processor 65536 MB 32786 MB For models equipped with an Pentium 4415Y processor 32786 MB Audio and video B O Play dual speakers Cameras Rear MIPI RAW 13 MP Front MIPI RAW 5 MP Wir...

Page 8: ...eyboard Textured Touchpad Backlit Standard Notebook Keyboard Oxford Blue Island Style Keyboard Textured Touchpad Standard Notebook Keyboard Power requirements 4 Cell WHr 48 Long Life PL Fast Charge battery 45 W nPFC USB Type C AC adapter Security TPM 2 0 Security lock slot Operating system ChromeOS 64 bit Serviceability End user replaceable parts AC adapter Digital pen 2 Chapter 1 Product descript...

Page 9: ...onnected and the battery is charging Off The computer is using battery power 3 Volume button Controls speaker volume on the tablet 4 Audio out headphone Audio in microphone combo jack Connects optional powered stereo speakers headphones earbuds a headset or a television audio cable Also connects an optional headset microphone This jack does not support optional standalone microphones WARNING To re...

Page 10: ...d 2 AC adapter and battery light White The AC adapter is connected and the battery is charged Amber The AC adapter is connected and the battery is charging Off The computer is using battery power 3 USB Type C power connector and port Connects an AC 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 ...

Page 11: ...g conditions in your environment 5 Camera light On The camera is in use 6 Camera Allows you to video chat record video and record still images 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 section of the Regulatory Safety...

Page 12: ...Rear display Component Description 1 Rear internal microphone Records sound 2 Rear camera Allows you to video chat record video and record still images 6 Chapter 2 External component identification ...

Page 13: ... 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 Top edge 7 ...

Page 14: ...edge Component Description 1 Alignment posts 2 Guide the keyboard to the correct connection with the tablet 2 Docking port Connects the tablet to the keyboard base 8 Chapter 2 External component identification ...

Page 15: ... back of the display or on the bottom of a 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 Your service label will resemble one of the examples shown below Refer to the illustration that most closely matches...

Page 16: ...egulatory information about the computer Wireless certification label s Provide s information about optional wireless devices and the approval markings for the countries or regions in which the devices have been approved for use 10 Chapter 2 External component identification ...

Page 17: ... on screen instructions NOTE Details about your computer including model serial number product key and length of warranty are on the service tag at the bottom of your computer See Labels on page 9 for details Item Component Spare part number 1 Display L17082 001 2 Battery 4 cell 48 WHr 3 2 AH Li ion 941617 855 3 Audio board includes cable L17078 001 4 Power button board cable spared separately as ...

Page 18: ...Left speaker L17085 001 16 System board i5 7Y54 1 0 GHz turbo to 3 2 GHz 8 GB 1866 MHz L3 Dual HDCP Includes 65536 MB eMMC SSD L32397 001 M3 7Y30 1 0 GHz 8 GB 1866 MHz L3 Dual HDCP Includes 65536 MB eMMC SSD L20788 001 M3 7Y30 1 0 GHz 8 GB 1866 MHz L3 Dual HDCP Includes 32786 MB eMMC SSD L20787 001 M3 7Y30 1 0 GHz 4 GB 1866 MHz L3 Dual HDCP Includes 32786 MB eMMC SSD L17088 001 Pentium 4415Y Inclu...

Page 19: ...rts Component Spare part number AC adapter 934739 850 Digital pen L23054 001 Power cord black 1 m For use in North America 920688 001 For use in the United Kingdom 920688 006 Screw kit L17089 001 Miscellaneous parts 13 ...

Page 20: ...ing sections include some of the considerations that you must keep in mind during disassembly and assembly procedures NOTE As you remove each subassembly from the computer place the subassembly and all accompanying screws away from the work area to prevent damage Plastic parts CAUTION Using excessive force during disassembly and reassembly can damage plastic parts Use care when handling the plasti...

Page 21: ...treme 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 ...

Page 22: ...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 humi...

Page 23: ...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 condu...

Page 24: ...tor and ground To be effective the conductive equipment 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 dissipa...

Page 25: ...ponent replacement procedures NOTE Details about your computer including model serial number product key and length of warranty are on the service tag at the bottom of your computer See Labels on page 9 for details NOTE HP continually improves 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 regi...

Page 26: ... connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer Remove the display panel 1 Insert a case insertion tool between the base enclosure and the slate screen 1 2 Lift the display panel up and to the rear 2 CAUTION Use care when rotating the display panel to avoid damaging the to...

Page 27: ...6 Lift the display away from the base enclosure 5 Reverse this procedure to install the display panel assembly Component replacement procedures 21 ...

Page 28: ...3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel assembly see Display panel assembly on page 20 Remove the touchscreen control board 1 Release the touchscreen control board cables from the ZIF connectors on the display panel 1 2 Remove the touchscreen control board 2 Revers...

Page 29: ...e computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel assembly see Display panel assembly on page 20 Remove the display panel cable 1 Remove the adhesive cover from the display panel cable 1 2 Raise the retaining clip to release the display panel cable 2 3 Remove the ...

Page 30: ... AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 Remove the battery 1 Release the adhesive cover from the battery 1 CAUTION To avoid damaging the system board remove the adhesive cover only from the battery 2 Release the battery cable from the system board 2 3 Remove the five Phillips M2 0 3 0 screws 3 that secure the ...

Page 31: ...e power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following components Battery see Battery on page 24 Remove the audio board 1 Release the audio board cable from the ZIF connector that secures it to the base enclosure 1 2 Remove the...

Page 32: ...ed to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following component Battery see Battery on page 24 Remove the power button board 1 Release the audio board cable from the ZIF connector 1 that secur...

Page 33: ...rst unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following components Battery see Battery on page 24 Remove the right speaker 1 Release the speaker cable from the USB board 1 2 Remove the two Phillips M2 0 3 0 screws 2 that secure the speaker to the base enclosu...

Page 34: ...eplace the volume button board in the side of the base enclosure 2 Reverse this procedure to install the right speaker 28 Chapter 5 Removal and replacement procedures for authorized service provider parts ...

Page 35: ... devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following components a Battery see Battery on page 24 b Right speaker see Right speaker on page 27 Remove the volume button board 1 ...

Page 36: ...e USB board follow these steps 1 Shut down the computer 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following component Battery see Battery on page 24 ...

Page 37: ...rd 1 4 Remove the two Phillips M2 0 3 0 screws 2 that secure USB board bracket to the USB board 5 Release the ZIF connector from the system board and USB board 3 6 Remove the USB board cable from the base enclosure 4 Reverse this procedure to install the USB board Component replacement procedures 31 ...

Page 38: ...ord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following component Battery see Battery on page 24 Remove the POGO board 1 Release the POGO board cable from the ZIF connector on the system board 1 2 Remove the two Phillips M2 0 3 0 screws 2 that secure the POGO board to the base enclosu...

Page 39: ...ct the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following component Battery see Battery on page 24 Remove the front webcam 1 Release the front webcam cable from the ZIF connector attaching it to the system board 1 2 Remove th...

Page 40: ...uter by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following components Battery see Battery on page 24 Remove the front microphone module 1 Release the microphone cable from the ZIF connector on the system board 1 2 Release the front microphone cable fro...

Page 41: ...st unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following components Battery see Battery on page 24 Remove the WLAN antenna module 1 Disconnect the WLAN antenna cables 1 from the terminals on the WLAN module 2 Remove the four Phillips M2 0 3 0 screw 2 that secur...

Page 42: ...e computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following component Battery see Battery on page 24 Remove the rear microphone module 1 Release the microphone cable from the ZIF connector on the system board 1 2 Remove the rear microphone module ...

Page 43: ...onnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following components Battery see Battery on page 24 Remove the rear webcam 1 Release the rear webcam cable from the ZIF connector on the system board 1 2 Remove the rear web...

Page 44: ...uter by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following components Battery see Battery on page 24 Remove the left speaker 1 Disconnect the speaker cable from the system board 1 2 Remove the two Phillips M2 0 3 0 screws 2 that secure the speaker to t...

Page 45: ...cial note of each screw and screw lock size and location during removal and replacement Before removing the system board follow these steps 1 Shut down the computer 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the display panel ...

Page 46: ... screws 1 that secure the bracket to the system board 2 Remove the system board bracket 2 Remove the system board 1 Remove the Phillips M2 0 1 5 screw 1 that secures the system board to the base enclosure 40 Chapter 5 Removal and replacement procedures for authorized service provider parts ...

Page 47: ...2 Remove the system board 2 Reverse this procedure to install the system board Component replacement procedures 41 ...

Page 48: ... outlet and then unplugging the AC adapter from the computer 4 Remove the display panel see Display panel assembly on page 20 and then remove the following components Battery see Battery on page 24 Remove the WLAN module 1 Disconnect the WLAN antenna cables 1 from the terminals on the WLAN module NOTE The WLAN antenna cable labeled 1 connects to the WLAN module Main terminal labeled 1 The WLAN ant...

Page 49: ...3 Remove the WLAN module 3 by pulling the module away from the slot at an angle Reverse this procedure to install the WLAN module Component replacement procedures 43 ...

Page 50: ...dc 4 62 A 90 W 19 5 V dc 2 31 45 W select models only 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 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...

Page 51: ...n Number of colors Up to 16 8 million Contrast ratio 500 1 typical Brightness 200 nits Pixel resolution Pitch 0 252 mm x 0 252 mm Format 1366 768 Configuration RGB vertical stripe Backlight LED Character display 80 25 Total power consumption 2 0 W Viewing angle 65 horizontal 50 vertical typical 31 24 cm 12 3 in display specifications 45 ...

Page 52: ...rements are applicable to all countries and regions 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 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 A and a nominal voltage rating...

Page 53: ... KTL 5 Sweden SEMKO 1 Switzerland SEV 1 Taiwan BSMI 6 Thailand TISI 1 The United Kingdom ASTA 1 The United States UL 2 1 The flexible cord must be Type HO5VV F 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 2 The flexible cord must be ...

Page 54: ...ar the CCC certification mark 5 The flexible cord must be Type H05VV F 3 conductor 0 75 mm conductor size KTL logo and individual approval number must be on each element Corset approval number and logo must be printed on a flag label 6 The flexible cord must be Type HVCTF 3 conductor 1 25 mm conductor size Power cord set fittings appliance coupler cable and wall plug must bear the BSMI certificati...

Page 55: ...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 49 ...

Page 56: ...fying 8 E eMMC product description 1 F front microphone spare part number 12 G graphics product description 1 H headphone audio out jack 3 I internal microphone identifying 5 6 J jacks audio in microphone 3 audio out headphone 3 K Keyboard spare part number 12 keyboard product description 2 L labels Bluetooth 10 regulatory 10 serial number 9 service 9 wireless certification 10 WLAN 10 lights AC ad...

Page 57: ...peaker spare part number 12 speaker identifying 5 speaker left removal 38 spare part number 38 speaker right removal 27 spare part number 27 speakers spare part number 12 specifications computer 44 display 45 system board removal 39 spare part number 12 39 T Touchscreen control board removal 22 spare part number 22 23 traveling with the computer 10 U USB board removal 30 spare part number 12 30 US...

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