DELL S2721DB
1
1. Disassembly Procedures
Unlock 2 Stand screws
S1
S5
Turn off the monitor.
Unlock 4 screws on Rear Cover
Place the monitor on a soft cloth or
cushion.
S2
Press the dimple on the VESA cover to
release it from the back of the display.
(Screw Torque: RC screw: 8.5±1.0kgf
Stand screw: 4~5kgf)
Using a long screwdriver, push the
release latch located in the gap just
above the stand.
S3
Follow the sequence to disassemble
Rear Cover from the monitor
S6
Tear off all adhesive tapes from
backlight wire and SPK wire
Once the latch is released, slide the
stand assembly away from the monitor
S7
S4
DELL S2721DB
3
Pull out FFC LVDS from the Panel
Disassemble CTRL BD from OSD BTN
S13
S17
Take off Main SHD from Panel
Disassemble Middle Frame and “ASSY
DECO” from panel
Disassemble Safety Mylar from SPS
BD
S18
Unlock 2 screws on CTRL BD
S14
Disassemble the little Mylar from Main
SHD
S19
S20
(Screw Torque: 1.5~2.5kgf)
Unlock 8 PCBA screws
Tear off CTRL BD FFC from Middle
Frame
S15
S16
Disassemble I/F BD & SPS BD from
Main SHD
Disassemble CTRL BD FFC from CTRL
BD
(Screw Torque: 6~7kgf)
Pull out FFC eDP from the I/F BD
S21
Remove electrolyte capacitors (red mark) from printed circuit boards
S22
S22-1 Cut the glue between bulk cap. and PCB with a knife
DELL S2721DB
5
S22-2 Ensure cutting path within the glue, don’t touch bulk cap. or PCB
S22-3 Take out bulk cap. pin solder with soldering iron and absorber
S22-4 Lift the bulk cap. up and away from the PCB
DELL S2721DB
6
2. Product material information
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
Batteries
No used
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
Plastic containing BFR
Component and waste contain asbestos
CRT
Component contain CFC, HCFC, HFC and
HC
Gas discharge lamps
No used
No used
No used
No used
No used
No used
Product has an LCD greater than 100
cm2
LCD display > 100 cm2
External electric cable
Product has external cables
No used
No used
Product has electrolyte capacitors
(height >25mm, diameter > 25mm)
Component contain refractory ceramic fibers
Component contain radio-active substances
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
- Scraper Bar
- Penknife
- Soldering iron and absorber
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