Dell S2721DSB Handbuch

ELL

2721

1. Disassembly Procedures

Turn off the monitor.

Place the monitor on a soft cloth or

cushion.

Press and hold the stand release button

at the back of the display.

Lift the stand assembly up and away

from the monitor.

Unlock 4 screws on Rear Cover

( crew Torque: 8.5±1.0kgf)

Follow the sequence to disassemble

Rear Cover from the monitor

Tear off all adhesive tapes from

backlight wire and PK wire

Unlock 6 PK screws

Pull out PK wire from I/F BD

Disassemble PK from Middle Frame

( crew Torque: 4~6kgf)

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2721

Tear off AL Tape

Pull out CTRL FFC from I/F BD

Pull out backlight wire from P BD

and Panel

( crew Torque: 6~7kgf)

Unlock 6 “A Y DECO” screws

( crew Torque: 1.5~2.5kgf)

Unlock 11 MF screws

( crew Torque: 4~5kgf)

S10

Unlock 4 Main HD screws

( crew Torque: 6~7kgf)

S11

Pull out FFC LVD from the Panel

Take off Main HD from Panel

Disassemble Middle Frame and “A Y

DECO” from panel

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2721

S12

Unlock 2 screws on CTRL BD

( crew Torque: 1.5~2.5kgf)

S13

Tear off CTRL BD FFC from Middle

Frame

S14

Disassemble CTRL BD FFC from CTRL

S15

Disassemble CTRL BD from O D BTN

S16

Disassemble afety Mylar from P

S17

Disassemble the little Mylar from Main

S18

Unlock 8 PCBA screws

Disassemble I/F BD & P BD from

Main HD

( crew Torque: 6~7kgf)

S19

Pull out FFC eDP from the I/F BD

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2721

S20

Remove electrolyte capacitors (red mark) from printed circuit boards

20-1 Cut the glue between bulk cap. and PCB with a knife

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2721

20-2 Ensure cutting path within the glue, don’t touch bulk cap. or PCB

20-3 Take out bulk cap. pin solder with soldering iron and absorber

20-4 Lift the bulk cap. up and away from the PCB

ELL

2721

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

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 c

ontain asbestos

No used

CRT No used

Component contain CFC, HCFC, HFC and

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

- Scraper Bar

- Penknife

- Soldering iron and absorber

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