Dell P2724DEB User manual

1
DELL P2724DEB
Unplug external cables(power cable and video
cable) from the monitor.
S2
Turn off power..
1. Disassembly Procedures:
S1
Remove stand from the product.(Press the stand
release button, lift the stand up and away from the
monitor)
S3
S4
S5
S6
S7
Use a Philips-head screwdriver to remove 4pcs
(No.1~4 screw size=M4x11; Torque=11±1kgfxcm)
screws for unlocking mechanisms. Remove DP cap.
Wedge your 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
carefully the rear cover in order of arrow preference
for unlocking mechanisms of rear cover.
23
41
Lift the rear cover up carefully. Disconnect the
joystick key cable from the connector of the main
board, and then remove the rear cover and put it
aside for later disassembling.
Use a Philips-head screwdriver to remove 3pcs screw
for unlocking the joystick board, and then tear off all
the tapes on the back of the cable and release the
joystick cable from the rear cover.
(No.1~3 screw size=M2x3.3, Torque=1±0.2kgfxcm)
2
1
3
3
2
1
2
2
1
3

2DELL P2724DEB
S12
S11
S10
S8
S9
S13
Disconnect the panel lamp cable away from the
interface board and panel module, then tear off the
tape and remove the panel lamp cable. Disconnect
the camera cable away from the connector of the
interface board.
S14
Disconnect the touch cable away from the connector
of the main board, then tear off 2pcs aluminum foil
and 3pcs acetate tape.
Use a Philips-head screwdriver to remove 4pcs
screws for unlocking the bracket chassis with the
panel, then disconnect the touch cable.
(No.1~4 Screw size= M3x4, Torque=5±1kgfxcm )
Tear off 3pcs acetate tapes , then disconnect the
speakers’ cable away from the connector of the main
board, and then use a Philips-head screwdriver to
remove 6pcs screws for unlocking the two speakers
with the middle frame, and remove the speakers.
(No.1~6 Screw size= M3x6, Torque=4~5kgfxcm)
2
4
1
5
3
6
Tear off 1pcs aluminum foil for releasing the USB
cable. Use a Philips-head screwdriver to remove
1pcs screw for unlocking the USB unit, then
disconnect the two USB cables away from the
connectors of interface board. Release the USB
board away from the hook of the middle frame.
(No.1 screw size=M3x3,5, Torque=4 0.5 kgfxcm)±
1
Use a Philips-head screwdriver to remove 4pcs
screws for unlocking the camera unit.
(No.1~4 Screw size= M3x8, Torque=6±0.5kgfxcm)
2
1
4
3
Use a Philips-head screwdriver to remove 2pcs
screws for unlocking the middle frame with panel
module and front bezel.
(No.1~2screw size=M2x3.3,Torque=1±0.2kgfxcm)
21
2
1
4
3

3
DELL P2724DEB
Lift up the middle bezel away from the pane module,
then put it on a cushion foam for later disassembling.
Release the assembled camera unit from the
probers of the middle frame and put it aside for later
disassembling.
S15
S16
S17
S20
S18
Tear off 2pcs aluminum foil to release the Mic boards
Use a Philips-head screwdriver to remove 13pcs
screws for unlocking the middle frame with the panel.
(No.1~12 screw size=M3x4,Torque=3±0.5kgfxcm)
Disconnect the LVDS cables away from the connectors
of the panel module, then lift up and take away the
bracket chassis and put it on a protective cushion.
Use a Philips-head screwdriver to remove 4pcs
screws for unlocking the left and right Mic boards
with the middle frame, then release the two Mic
boards away from the middle frame.
(No.1~4 screw size=M2x3.3,Torque=1±0.2kgfxcm)
Release the touch key cable away from the panel,
then disassemble the front bezel with the panel, then
tear off the mylar tape and release the touch board.
S19
10
7
9
3
12 13
6
2
1
11
8
45
3
1
24

4DELL P2724DEB
(No.1 screw size=M4x8, Torque=7.5±0.5kgfxcm;
Use a Philips-head screwdriver to remove 8pcs
screws for interface board and power board with the
bracket chassis module.
No.2~8 screw size=M4x8, Torque=7.5±0.5kgfxcm)
Remove the power board and interface board from
the bracket chassis module carefully, and then
disconnect all of the cables.
S23
Remove the Mylar tape from the hooks of the
bracket chassis.
S22
S21
13
2
7
8
6
4
5

5
DELL P2724DEB
Remove electrolyte capacitors (red mark) from
printed circuit boards.
S24
S24-1 Cut the glue between bulk cap. and PCB with a knife.
S24-2 Ensure cutting path within the glue, don’t touch bulk
cap. or PCB.
S24-4 Take out bulk cap. pin solder with soldering iron and
absorber.
S24-5 Lift the bulk cap. up and away from the PCB.
S24-3 Cut into the bottom of bulk cap. and pullit up
carefully.

6DELL P2724DEB
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.
2. Product material information
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.
3. Tools Required
- Penknife
- Screwdriver (Phillip head) #2
- Soldering iron and absorber
- Screwdriver (Phillip head) #1
Tool Description:
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)