HP Engage 16t Manual

Maintenance and Service Guide
Engage 16t model
SUMMARY
This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem
troubleshooting, and more.

© Copyright 2022 HP Development
Company, L.P.
AMD is a trademark of Advanced Micro
Devices, Inc. Bluetooth is a trademark
owned by its proprietor and used by HP
Inc. under license. NVIDIA is a trademark
and/or registered trademark of NVIDIA
Corporation in the U.S. and other
countries. USB Type-C and USB-C are
registered trademarks of USB
Implementers Forum. DisplayPort and the
DisplayPort logo are trademarks owned
by the Video Electronics Standards
Association (VESA) in the United States
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: February 2022
Document Part Number:
M34374- Engage 16t- MSG-V1
Assembly part number: M34374
Product notice
Only trained service personnel familiar with
this product should service it. Before
performing any maintenance or service, be
sure to read “Important Safety Information”.

iii
Table of Contents
1Getting started....................................................................................................................................................................... 1
Important safety information.......................................................................................................................................1
Important service information and precautions.....................................................................................................2
RoHS (2002/95/EC) requirements............................................................................................................................2
General descriptions.....................................................................................................................................................3
Firmware updates..........................................................................................................................................................3
Before returning the repaired product to the customer......................................................................................3
2Monitor features .................................................................................................................................................................... 4
Features............................................................................................................................................................................4
Front components..........................................................................................................................................................5
Rear components ..........................................................................................................................................................6
Locating the serial number and product number .................................................................................................7
3Illustrated parts catalog ...................................................................................................................................................... 9
How to order parts...................................................................................................................................................... 10
4Removal and replacement procedures........................................................................................................................11
Preparation for disassembly.................................................................................................................................... 11
Rear Cover.................................................................................................................................................................... 12
Connector repair ......................................................................................................................................................... 15
USB 3.0 Type A connector J8,J11,J12 ..................................................................................16
Type- C connector J6.............................................................................................................17
DP connector J2.....................................................................................................................18
Micro USB Connector repair- J7 ............................................................................................19
Function test................................................................................................................................................................. 20
Support and troubleshooting................................................................................................................................... 21
Index ............................................................................................................................................................................... 22

1
1Getting started
Read this chapter to learn about safety information and where to find additional HP resources.
Important safety information
Carefully read the cautions and notes within this document to minimize the risk of personal injury to
service personnel. The cautions and notes are not exhaustive. Proper service methods are important to
the safe, reliable operation of equipment. Improper service methods can damage equipment.
The service procedures recommended and described in this service manual provide effective methods of
performing service operations. Service engineers should have prior repair knowledge and experience as
well as appropriate training for the product before performing service procedures.
●Be sure your working environment is dry and clean and meets all government safety
requirements.
●Be sure that other persons are safe while you are servicing the product.
●Do not perform any action that can cause a hazard to the customer or make the product
unsafe.
●Use proper safety devices to ensure your personal safety.
●Always use approved tools and test equipment for servicing.
●Never assume the product’s power is disconnected from the main power supply. Check that it
is disconnected before opening the product’s cabinet.
●Modules containing electrical components are sensitive to electrostatic discharge (ESD).
Follow ESD safety procedures while handling these parts.
●Some products contain more than one battery. Do not disassemble or expose a battery to high
temperatures, such as throwing into fire, or the battery may explode.
●Refer to government requirements for battery recycling or disposal.
This information provides general service information for the monitor. Adherence to the
procedures and precautions is essential for proper service.
IMPORTANT: Only trained service personnel who are familiar with this HP product should perform service
or maintenance for it. Before performing any service or maintenance, personnel must read the important
safety information.
IMPORTANT: You must disconnect the power cord from the power source before opening the monitor
to prevent component damage.

2
Important service information and precautions
●Repair must be performed by professional service technicians in a repair center. End users
should not perform these procedures.
●Please note during servicing that the primary side is the high voltage area.
●This monitor meets ROHS requirements. Be sure to use lead-free solder wire when soldering.
●If you must change a capacitor, be sure to match the polarity as printed on the PCB.
●If you must replace a capacitor, make sure the specification and part number match the BOM
and location.
●If you must replace a capacitor, insert new parts carefully to avoid a short circuit caused by the
near pin.
●Do not get the board wet. Water and moisture can cause a short circuit that causes
malfunctions.
●To avoid damage, be sure to use lead-free solder.
●When soldering, work quickly to avoid overheating the circuit board.
●Keep the soldering iron tip clean and well tinned when replacing parts.
●After repair, perform a close inspection of the circuit board to confirm it is in good condition.
●After repair, perform a function test to confirm the power supply is working properly.
ERP Lot5 requirement
1. A professional repairer must have the technical competence to repair electronic displays and
comply with the applicable regulations for repairers of electrical equipment in the Member States
where the repairer operates. Reference to an official registration system as professional repairer,
where such a system exists in the Member States, shall be accepted as proof of compliance.
2. A professional repairer must have insurance that covers liabilities resulting from repairs,
regardless of whether required by the Member State.
RoHS (2002/95/EC) requirements
Applied to all countries that require RoHS.
The RoHS (Restriction of Hazardous Substance in Electrical and Electronic Equipment Directive) is a
legal requirement by the EU (European Union) for the global electronics industry sold in the EU and
other countries. Any electrical and electronics products launched in the market after June 2006 should
meet this RoHS requirement. Products launched in the market before June 2006 are not required to be
compliant with RoHS parts. If the original parts are not RoHS complaint, the replacement parts can be
non-ROHS complaint. If the original parts are RoHS compliant, the replacement parts MUST be RoHS
complaint.
If product service or maintenance requires replacing parts, confirm the RoHS requirement before
replacement.

3
General descriptions
This manual contains general information. There are two levels of service:
Level 1: Cosmetic/appearance/alignment service
Level 2: Circuit board or standard parts replacement
Firmware updates
Firmware updates for the monitor are available at support.hp.com. If no firmware is posted, the monitor
does not need a firmware update.
Before returning the repaired product to the customer
Perform an AC leakage current check on exposed metallic parts to be sure the product is safe to
operate without the potential of electrical shock. Do not use a line isolation transformer during this
check.
Measurements that are not within specified limits present a possible shock hazard. You must check and
repair the product before returning it to the customer.

4
2Monitor features
This chapter provides an overview of the monitor’s features.
Features
Depending on the model, your monitor might include the following features:
●39.63 cm (15.6 in) diagonal viewable screen area with 1920 × 1080 resolution, plus full-screen
support for lower resolutions; includes custom scaling for maximum image size while preserving
original aspect ratio.
●Liquid crystal display (LCD) with Advanced Hyper-Viewing Angle (AHVA)
●Nonglare panel with an LED backlight
●Wide viewing angle to allow viewing from a sitting or standing position, or moving from side to
side
●Four on-screen display (OSD) buttons, three that you can reconfigureto quickly allow selection of
the most commonly used operations
●On-screen display (OSD) adjustments in several languages for easy setup and screen
optimization
●Energy saver feature to meet requirements for reduced power consumption
●Cable management feature for placement of cables (select models)
●Near field communication (NFC) scanner
●Magnetic stripe reader (select models)
●Connectors
- DisplayPort™ IN video input (cable included)
- USB Type-C® port with DisplayPort Alt mode, data, and power delivery IN
- Two USB Type-A downstream connectors
●Monitor stand
-Removable stand for flexible monitor head mounting solutions
- HP Quick Release 2 device to quickly attach the monitor head to the stand with a simple click,
and then remove it with the convenient sliding tab release
- VESA® mounting bracket for attaching the monitor head to a wall-mount device or swing arm
(select models)
-VESA mounting capability (100 ×100 mm) for attaching the monitor to a swing arm mount
NOTE: For safety and regulatory information, see the Product Notices provided in your
documentation kit. To access the latest user guide, go to http://www.hp.com/support, and follow the
instructions to find your product. Then select Manuals.

5
Front components
To identify the components on the front of the monitor, use this illustration and table.
Table 1-1: Front components and their descriptions
Component
Description
(1)
Infrared (IR) light
Provides light for camera.
(2)
Webcam
Transmits your image in a video conference.
(3)
Microphones
Record sound.
(4)
Near fieldcommunication (NFC)
antenna
Wirelessly shares
information between two NFC-enabled
devices.
(5)
Magnetic stripe reader (MSR)
Reads information encoded in the magnetic stripe on the back
of plastic cards and badges.
(6)
Power button
Turns the monitor on or off.
(7)
OSD buttons
Open the OSD menu and
make adjustments to monitor
settings.

6
Rear components
To identify the components on the rear of the monitor, use this illustration and table.
Table 1-2: Rear components and their descriptions
Component
Function
(1) USB connectors (2 downstream) Connect USB devices to the monitor.
(2) USB Type-C connector Connects a USB Type-C cable.
(3) DisplayPort connector Connects a DisplayPort cable.
(4) Power connector Connects a power cord.

7
Locating the serial number and product number
The serial number and product number are located on labels on the rear of the monitor. You might
need these numbers when contacting HP for support.
Spec label

8
Barcode label

9
3Illustrated parts catalog
To identify the monitor major components, use this illustration and table.
Item Description Qty
1 PANEL 1
2
TOUCH BEZEL
1
3 CAMERA MODULE 1
4 LED BD 1
5 PHONE BD 1
6
TRANSFER BD
1
7 KEYPAD BD 1
8
SPK
2
9 MAIN BD 1
10 MAIN SHD 1
11 REAR CASE 1
12 DECO COVER 1
13 COLUMN STAND 1
14
BENTO BOX
1

10
How to order parts
The HP authorized repair center can purchase the power board from HP
Capacitors and connectors are available for purchase from the following EU distributors:
•Farnell: Farnell UK - Electronic Components Distributor
•RS Component: Capacitors | RS Components (rs-online.com)
Connectors by distributor
Component
description
Location
identifier
Component
distributor Distributer part number
USB 3.0 Type A J11,J12
RS Amphenol
ICC
RS Stock No.:162-1979
Part No:10117835-002LF
USB 3.0 Type A J8
RS Amphenol
ICC
RS Stock No.:162-1979
Part No:10117835-002LF
DP J2
RS MOLEX
RS Stock No.:800-7021
Part No.:47272-0001
Micro USB J7
Farnell MOLEX
Farnell order code : 2614950
Part No:105017-1001
Type- C J6
RS MOLEX
RS Stock No.:920-9199
Part No.:105450-0101
NOTE: The connector may need to be modified to meet functionality, regulatory and safety
requirements if it is not an exact match.
You can purchase cables from the HP part store at https://partsurfer.hp.com/Search.aspx.
NOTE: HP continually improves and changes product parts. For complete and current information
about supported parts for your computer, go to http://partsurfer.com, select your country or region,
and then follow the on-screen instructions.
Internal and External Power Supplies are available for purchase from the following EU
distributor: EET https://www.eetgroup.com/en-eu/

11
4Removal and replacement procedures
Adherence to these procedures and precautions is essential for proper service.
Preparation for disassembly
Use this information to properly prepare to disassemble and reassemble the monitor.
1) Read the “Important safety information” and “Important service information and precautions”
sections in the “Getting started” chapter of this guide.
2) Clean the room for disassembly.
3) Identify the disassembly area.
4) Check the position that the monitors are to be placed along with the number of monitors. Prepare the
area for material flow according to the disassembly layout.
5) Be sure to have the following equipment and materials:
•Press fixture
•Working table
•Screwdriver
•Knife
•Gloves
•Cleaning cloth
•ESD protection
•Scraper bar in the following dimensions:

12
Rear Cover
S1
Press quick release bar to separate head and stand
PICTURE 1
S2
Press and move downward to separate DECO cover.

13
S3
Use screwdriver to remove screw*9 & cover bento.
S4
(1)Use picker to stick up rear cover bottom repair slot/upper-left/upper-right corner
with hands, and then open the rear cover.

14
S5
Remove tape/screw/metal shielding.
S6
Take off MAIN BD
MAIN BD

15
Connector repair
This procedure includes VGA, HDMI, Display port, USB3.0, USB A connectors.
The connectors are on the main board (board part number 5E.4QW01.00*).
The connectors identifiers are as follows:
Connector
Location
USB 3.0 Type A
J11,J12,J8
Type-C
J6
Display Port
J2
Micro USB
J7
Before repairing connectors, follow these steps:
▲Prepare the monitor for disassembly. See Preparation for disassembly on page 11.

16
USB 3.0 Type Aconnector J8,J11,J12
Repair the USB 3.0 Type A connector:
1) Use a soldering iron and a de-soldering pump to remove as much solder as possible from the pin.
2) Lift the J8,J11,J12 connector from the circuit board.
3) Place the new component on the circuit board. Be sure that it matches the footprint.
4) Solder the new component.

17
Type- C connector J6
Repair the Type-C connector:
1)Use a hot air gun to melt the solder on the pins.
2)Lift the J6 connector from the circuit board.
3)Place the new component on the circuit board. Be sure that it matches the footprint.
4)Solder the new component.