HP Chromebook PC Maintenance And Service Manual
HP Chromebook PC
Maintenance and Service Guide
IMPORTANT! This document is intended for
HP authorized service providers only.
© Copyright 2018 HP Development Company,
L.P.
NVIDIA is a trademark or registered trademark
of NVIDIA Corporation in the U.S. and other
countries. Bluetooth is a trademark owned by
its proprietor and used by HP Inc. under license.
Intel, Pentium, and Core are trademarks of Intel
Corporation in the U.S. and other countries.
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: 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, 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 full refund subject to the
refund policy of your seller.
For any further information or to request a full
refund of the price of the computer, please
contact your seller.
Safety warning notice
WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the
device directly on your lap or obstruct the device air vents. Use the device only on a hard, at 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 airow. 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 dened by the International Standard for Safety of Information Technology
Equipment (IEC 60950-1).
iii
iv Safety warning notice
Table of contents
1 Product description ....................................................................................................................................... 1
2 External component identication .................................................................................................................. 3
Right side ............................................................................................................................................................... 3
Left side ................................................................................................................................................................. 4
Display .................................................................................................................................................................... 5
Rear display ............................................................................................................................................................ 6
Top edge ................................................................................................................................................................. 7
Bottom edge .......................................................................................................................................................... 8
Labels ..................................................................................................................................................................... 9
3 Illustrated parts catalog .............................................................................................................................. 11
Computer major components .............................................................................................................................. 11
Miscellaneous parts ............................................................................................................................................. 13
4 Removal and replacement. procedures preliminary requirements ................................................................... 14
Tools 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 ................................................................................................................ 22
Display panel cable ........................................................................................................................... 23
Battery ............................................................................................................................................... 24
Audio board ....................................................................................................................................... 25
Power button board .......................................................................................................................... 26
Right speaker ..................................................................................................................................... 27
Volume button board ........................................................................................................................ 29
v
USB board .......................................................................................................................................... 30
POGO board ....................................................................................................................................... 32
Front webcam .................................................................................................................................... 33
Front microphone module ................................................................................................................. 34
WLAN antenna ................................................................................................................................... 35
Rear microphone module .................................................................................................................. 36
Rear webcam ..................................................................................................................................... 37
Left speaker ....................................................................................................................................... 38
System board .................................................................................................................................... 39
WLAN module .................................................................................................................................... 42
6 Specications .............................................................................................................................................. 44
Computer specications ...................................................................................................................................... 44
31.24 cm (12.3 in) display specications ............................................................................................................ 45
7 Power cord set requirements ........................................................................................................................ 46
Requirements for all countries ............................................................................................................................ 46
Requirements for specic countries and regions ................................................................................................ 47
8 Recycling .................................................................................................................................................... 49
Index ............................................................................................................................................................. 50
vi
1 Product description
Category Description
Product Name HP Chromebook PC
Models: XXXX
Processors
Graphics Internal graphics:
Panel 12.3 in BrightView Ultra Wide Aspect Ratio, WLED (2400 × 1600) ultraslim
Memory LPDDR3 1866 MHz
eMMC For models equipped with the i5–7Y54 processor:
Intel® Core™ i5-7Y54 (1.0 GHz, turbo to 3.2 GHz), 8 GB 1866 MHz L3, Dual, HDCP
Intel M3-7Y30 (1.0 GHz), 4/8 GB 1866 MHz L3, Dual, HDCP
Intel Pentium™ 4415Y
Intel HD Graphics 615
Supports eDP 1.3+PSR
Supports up to 64 GB max system memory in the following congurations:
●
65536 MB (32768 MB × 2)
●
49152 MB (32768 MB × 1 + 16384 MB × 1)
●
16384 MB (16384 MB × 1)
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
Wireless Intel Stone Peak 2 D1 7265 ac 2×2 + Bluetooth 4.2 M.2 non-vPro PCI-e WW with dual antenna
External media cards HP Multi-Format Digital Media Card Reader
Supports SD/SDHC/SDXC
Push-Push insertion/removal
Ports HDMI v1.4
1
Category Description
Audio-out (headphone)/Audio-in (microphone) combo jack
USB Type-C power connector and charging port
USB Type-C port
USB 3.x ports (2)
Keyboard/pointing
devices
Power requirements 4 Cell WHr 48 Long Life -PL Fast Charge battery
Security TPM 2.0
Operating system ChromeOS (64-bit)
Serviceability End user replaceable parts:
Oxford Blue Island Style Keyboard Textured Touchpad Backlit Standard Notebook Keyboard
Oxford Blue Island Style Keyboard Textured Touchpad Standard Notebook Keyboard
45 W nPFC USB Type-C AC adapter
Security lock slot
AC adapter
Digital pen
2 Chapter 1 Product description
2 External component identication
Right side
Component Description
(1) USB Type-C power connector and charging
port
(2) AC adapter and battery light
(3) Volume button Controls speaker volume on the tablet.
(4) Audio-out (headphone)/Audio-in
(microphone) combo jack
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 a Type-C connector, such as
a cell phone, camera, activity tracker, or smartwatch, and
provides high-speed data transfer.
●
White: The AC adapter is connected and the battery is
charged.
●
Amber: The AC adapter is connected and the battery is
charging.
●
O: The computer is using battery power.
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 reduce the risk of personal injury, adjust the
volume before putting on headphones, earbuds, or a
headset. For additional safety information, refer to the
Regulatory, Safety, and Environmental Notices.
This guide is provided in the box.
NOTE: When a device is connected to the jack, the
computer speakers are disabled.
Right side 3
Left side
Component Description
(1) Memory card reader Reads optional memory cards that enable you to 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 card until it is rmly seated.
To remove a card:
▲ Pull out the card.
(2) AC adapter and battery light
(3) USB Type-C power connector and port Connects an AC adapter that has a USB Type-C connector,
●
White: The AC adapter is connected and the battery is
charged.
●
Amber: The AC adapter is connected and the battery is
charging.
●
O: The computer is using battery power.
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 high-speed data transfer.
4 Chapter 2 External component identication
Display
Component Description
(1) Speakers (2) Produce sound.
(2) WLAN antennas* Send and receive wireless signals to communicate with wireless
local area networks (WLANs).
(3) Internal microphone Records sound.
(4) Ambient light sensor (select products only) Automatically adjusts the display brightness based on the lighting
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, and Environmental Notices that applies to your country or
region.
This guide is provided in the box.
Display 5
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 identication
Top edge
Component Description
Power button
●
When the computer is o, press the button to turn on the
computer.
●
When the computer is in the Sleep state, press the button
briey 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 o the computer.
●
When the computer is on and you want to turn it o, press and
hold the button to lock the screen, and then continue to press
the button until the computer turns o.
Top edge 7
Bottom 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 identication
Labels
The labels axed to the computer provide information you may need when you troubleshoot system
problems or travel internationally with the computer. Labels may be in paper form or imprinted on the
product.
IMPORTANT: Check the following locations for the labels described in this section: the bottom of the
computer, inside the battery bay, under the service door, on the 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 the service label on your computer.
Component
(1) HP product name
(2) Model number
(3) Product ID
(4) Serial number
(5) Warranty period
Component
(1) HP product name
(2) Product ID
Labels 9
Component
(3) Serial number
(4) Warranty period
●
Regulatory label(s)—Provide(s) regulatory information about the computer.
●
Wireless certication 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 identication
3 Illustrated parts catalog
Computer major components
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 region, and then
follow the 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 L17066-001) not spared individually
Computer major components 11
Item Component Spare part number
(5) Front webcam (includes webcam cable) not spared
(6) Front microphone (includes cable) L17075-001
(7) Rear microphone (includes cable) L17077-001
(8) Rear camera L17083-001
(9) Wireless antennas L17064-001
(10) Volume button board (includes cable) L17080-001
(11) Right speaker L17086-001
(12) USB board (cable spared separately as L17067-001) L17076-001
(13) POGO board (includes cable) L17081-001
(14) WLAN, Intel Stone Peak 2 D1 7265 ac 2×2 + Bluetooth 4.2 M.2 non-vPro PCI-e WW with
dual antenna
(15) 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
M3-7Y30 (1.0 GHz), 8 GB 1866 MHz L3, Dual, HDCP
Includes 65536 MB eMMC SSD
M3-7Y30 (1.0 GHz), 8 GB 1866 MHz L3, Dual, HDCP
Includes 32786 MB eMMC SSD
M3-7Y30 (1.0 GHz), 4 GB 1866 MHz L3, Dual, HDCP
Includes 32786 MB eMMC SSD
Pentium 4415Y
Includes 32786 MB eMMC SSD
(17) Keyboard base
with backlight, for use in the United Kingdom L17090-031
with backlight, for use in the United States L17090-001
901229-855
L32397-001
L20788-001
L20787-001
L17088-001
L17087-001
without backlight, for use in the United Kingdom L20170-031
without backlight, for use in the United States L20170-001
12 Chapter 3 Illustrated parts catalog
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