Dell P2722H Manual

Wedge your fingers between the 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
carefully the rear cover in order of arrow preference
for unlocking mechanisms of rear cover..
Use a Philips-head screwdriver to remove four
screws for unlocking mechanisms.
(No.1~4 screw size=M4x10; Torque=12±0.5kgfxcm)
S6
Take out all of the QSG,accessories including DP
cable, power cable, USB cable, CD&user’s manual,
stand and EEI label(optinal) from the carton from the
carton.(Note: It depends on whether users returning
the accessories)
S2
Open the Pizza carton with a proper tool.
1. Disassembly Procedures:
Lift the rear cover up carefully. Disconnect the key
cable and USB FFC cable from the connectors of
the interface board, and then remove the rear cover.
S6
S5
S1
Take out of the Paper-top from the carton, then take
out the packed monitor and packed stand from the
Pizza box.
S3
Take out the monitor from the bag and put it on a
protective cushion.
S4
23
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1DELL P2722H
1
3
22
QSG
base
user’s manual
DP cable
USB cable power cable
stand
monitor

Tear off 2pcs aluminium foils and 1pcs conductive
tape for unfixing the bracket Use a Philips-head
screwdriver to remove 2pcs screws for locking the
middle with the front bezel and the panel.
.
(No.14~15 screw size=M1.6x1.7, Torque=1±0.2kgfxcm)
S8
Disconnect the LED cable from the connector, then
release the LED cable by tearing off the tapes. Tear
off the acetate tape, and then release the panel lamp
cable from the hook of the middle bezel.
S9
Use a Philips-head screwdriver to remove 2pcs
screws for unlocking the joystick key board unit, then
tear off the tapes and release the USB board.
(No.1~2 screw size=M2x3.3,Torque=1±0.2kgfxcm)
S7
Use a Philips-head screwdriver to remove one screw
for unlocking the USB board unit, then release the
USB board unit and put it aside.
(No.1 screw size=M3x6, Torque=4±0.5kgfxcm)
2
DELL P2722H
S10 S13
Take away the
.
middle bezel, and put it on a fixture,
then tear off the mylar tape for releasing the LED
board
S11
S12
Tear off tapes, then lift up the panel with the bracket
for releasing the front bezel away from the panel.
12
1
aluminum foil
conductive tape
14
15
Use a Philips-head screwdriver to remove 13pcs
screws for unlocking the middle bezel with the panel.
(No.1~13 screw size=M3x4, Torque=5±0.5kgfxcm)
2
10
12 1
11
3
8
13
9
7
45
6

Take away the bracket chassis module and then put
the bracket chassis module on a protective cushion.
S15
Remove the black Mylar from the hooks of the
bracket as the picture below shown.
Remove the interface board and power board from
the bracket chassis module carefully, and disconnect
all the cables.
Use a Philips-head screwdriver to remove 5pcs
screws for unlocking the power board and interface
board, and then release all the cables from the
hooks.
(No.1~4 screw size=M3x7.5, Torque=6±0.5kgfxcm;
No.5 screw size=M4x8, Torque=6±0.5kgfxcm)
S17
S14
S16
S18
Put the panel module on a protective cushion, then
disconnect the panel lamp cable from the connector
of panel module, then unplug the LVDS cable from
the connector of the panel module.
Use a Hex-head screwdriver to remove two screws
for unlocking the D-Sub connector.
(No.1~2 screws size=M3x8, Torque=6±0.5kgfxcm)
S19
3DELL P2722H
21
3
6
41
2

4
DELL P2722H
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.

5DELL P2722H
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