Dell U2723QE User manual
1
DELL U2723QE
Use a Philips-head screwdriver to remove 4pcs
screws for unlocking mechanisms. Remove DP caps.
(No.1~4 screw size=M4x11; Torque=11±1kgfxcm)
Take out all accessories including label(optinal), QSG,
Delta-E paper, DP cable, USB C to C cable(Type-C
cable), USB A to C cable(USB cable), power cable,
manual from the carton. (Note: It depends on whether
users returning the accessories)
S2
Open the carton with a proper tool.
1. Disassembly Procedures:
S1
Take out the monitor from EPE-bag and put the LCD
monitor on a protective cushion.
Take out the paper top with base from the carton,
then take out the monitor and stand from the carton.
S3
S4
S5
S6
S7
3
2
1
2
Lift the rear cover up carefully. Disconnect the
joystick key cable from the connector of the interface
board, and then remove the rear cover and put it
aside for later disassembling.
Use a Philips-head screwdriver to remove 2pcs
screw for unlocking the key board, then tear off the
tapes and release the key board.
(No.1~2 screw size=M2x2.4, Torque=0.8~1kgfxcm)
S8
base
Delta_E paper
QSG
USB A to C cable
DP cable
power cable
USB C to C cable
manual
monitor
stand
1
2
23
41
Tear off the screen protector, then wedge fingers
between rear cover and the middle bezel on the
corners of the top side of the monitor to release the
rear cover, then use one hand to press the middle
bezel, the other hand to pull up the rear cover in order
of arrow preference for unlocking the rear cover.
2DELL U2723QE
S14
S10
Use a Philips-head screwdriver to release one screw
for unlocking the USB board, and disconnect the two
cables, then release the USB board from the hooks
of the middle bezel.
(No.1screw size=M3x6, Torque=4±0.5kgfxcm)
S11
S9
Disconnect the LED cable from the connector of the
interface board, and then tear off the tapes on the
back of the back.
Li middle bezel, and put it on a
fixture, and then tear off the mylar tape, then release
the LED board from the hooks of the middle bezel.
ft up and take away the
S12
U
.
se a Philips-head screwdriver to remove 4pcs
screws for unlocking the bracket with the panel
(No.1~4 Screw size= M3x5, Torque=5±0.5kgfxcm)
1
Use a Philips-head screwdriver to remove 14(9+5)pcs
screws for locking the middle bezel with the panel,
then tear off 1pcs aluminum foil for releasing the LED
cable.
(No.1~9 screw size=M3x5, Torque=5±0.5kgfxcm;
No.10~14 screw size=M3x4.5, Torque=5±0.5kgfxcm)
3
11 14
13 12
8
2
9
4
5 7 6
1
10
Disconnect the panel lamp cables away from the two
connector of the panel, and then release the lamp
cable by tearing off the tapes.
S13
4
2
31
3
DELL U2723QE
S15
S16
Use a Philips-head screwdriver to remove
screws for interface board and power board from the
bracket.
8pcs
(No.1 screw size=M4x8, Torque=7±1kgfxcm;
No.2~8 screw size=M3x7.5, Torque=7±1kgfxcm)
S18
Release the panel lamp cable from the hook of the
bracket. Remove the power board board and
interface board from the
disconnect all of the cables.
bracket chassis module
carefully, and then
Remove the Mylar tape from the hooks of the
bracket.
S17
S19
Move up the bracket, then push the earing-lock and
disconnect the eDP cable away from the connector of
the panel module.
Take away the bracket chassis module and then put
the bracket chassis module on a protective cushion.
1
3
4
2
6
8
75
4DELL U2723QE
Remove electrolyte capacitors (red mark) from
printed circuit boards.
S20
S20-1 Cut the glue between bulk cap. and PCB with a knife.
S20-2 Ensure cutting path within the glue, don’t touch bulk
cap. or PCB.
S20-4 Take out bulk cap. pin solder with soldering iron and
absorber.
S20-5 Lift the bulk cap. up and away from the PCB.
S20-3 Cut into the bottom of bulk cap. and pullit up
carefully.
5
DELL U2723QE
The following substances, preparations, or components should be disposed of or
recovered separately from other WEEE in compliance with Article 4 of EU Council
Directive 75/442/EEC.
Capacitors / condensers (containing
PCB/PCT)
No used
Mercury containing components
No used
Batteries
No used
Printed circuit boards (with a surface
greater than 10 square cm)
Product has printed circuit boards (with a
surface greater than 10 square cm)
Component contain toner, ink and
liquids
No used
Plastic containing BFR
No used
Component and waste contain
asbestos
No used
CRT
No used
Component contain CFC, HCFC, HFC
and HC
No used
Gas discharge lamps
No used
LCD display > 100 cm2
Product has an LCD greater than 100 cm2
External electric cable
Product has external cables
Component contain refractory
ceramic fibers
No used
Component contain radio-active
substances
No used
Electrolyte capacitors (height
> 25mm, diameter > 25mm)
Product has electrolyte capacitors (height >
25mm, diameter > 25mm)
3. Tools Required
List the type and size of the tools that would typically can be used to disassemble the
product to a point where components and materials requiring selective treatment
can be removed.
Tool Description:
- Screwdriver (Phillip head) #1
- Screwdriver (Phillip head) #2
- Penknife
- Soldering iron and absorber
2. Product material information
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