Dell E1920H Manuale utente

DELL E1920H Teardown Instruction 1

Chapter 8-TEARDOWN INSTRUCTION

Remove Rear Cover Screw and Stand

Screws

a. Remove screws “1~4” on rear cover with

electric screwdriver

b. Remove stand screws “5” and “6”.

Torque: 12.0 +/- 0.5Kgf/cm

Remove Aluminium Foil and Acetate Cloth

Tape

a. Remove aluminium tape in “1~3” order

b. Remove acetate cloth tape marked with “4”

Remove Front Cover:

a. Panel side up, remove front panel with

both hands in sequence of “1->2->3”,

then “1->4->5->6”.

Remove Light Bar and Keypad Cable:

a. Remove light bar “1” (grasp on Pin then pull

upwards to remove)

b. Remove KP cable “2” (lift cover before

remove KP cable)

3. Remove Rear Cover:

a. Turn monitor to rear side up, remove

rear cover.

6. Remove FFC：

a. Pinch on clips on the sides, and remove FFC

b. Remove assembled chassis from panel

DELL E1920H Teardown Instruction 2

Remove

PCBA 1

a. Remove mylar (squared in red in the

upper picture)

b. Use electric screwdriver to remove

grounding screw “1”, then locking

screws marked “2~5”. Screwdriver

torque: 5.5±0.5 kgf/cm

‘;

10.

Remove Keypad

a. Remove screws “1, 2, 3” with electric

screwdriver. Screwdriver torque:

1.0±0.1 kgf/cm

Remove PCBA 2

a. Remove 2pcs hex head bolt with electric

screwdriver

b. Remove IF board and Power board

c. Separate IF board and Power board

Remove electrolyte capacitor >25mm height

(squared in red) from printed circuit boards.

b. Cut the glue between bulk cap and PCBA with

knife – ensure cutting path within the glue,

don’t touch bulk cap and PCBA.

S10

DELL E1920H Teardown Instruction 3

Separate Front Cover from Panel

a. Tear off Keypad cable from Panel. Taped

on “1, 2, 3”.

b. Turn the monitor to the front view and

remove front cover.

Take out the capacitor pin solder with

soldering iron.

b. Lift the bulk capacitor away from power

board.

1. Product Material Information

The following substances, preparation, or components should be disposed of or recovered separately

from other WEEE in compliance with Article 4 of EU Council Directive 75/422/EEC.

Capacitors / Condensers (containing PCB/PCT)

Not used

Mercury containing components

Not used

Batteri

Not used

Printed circuit boards (with surface greater than 10

square cm)

Product has printed circuit boards (with surface

greater than 10 square cm)

Component contain toner, ink and liquids

Not used

Plastic containing BFR

Component and waste

contain asbestos

Not used

CRT

Not used

Component contain CFC, HCFC, HGC and HC

Not used

Gas discharge lamps

Not use

LCD display > 100 cm2

Product LCD greater than 100cm2

External electric cable

Product has external cables

Component contain refractory

ceramic fibers

Not used

Component contains radio

active substances

Not used

Electrolyte capacitors (height > 25mm,

diameter >25mm)

Product has electrolyte capacitors (height > 25mm)

2. 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:

DELL E1920H Teardown Instruction 4

- Screwdriver (Philip head with Φ5 mm & Φ3 mm)

- Screwdriver (Hexagonal to remove VGA connectivity)

- Soldering iron

- Knife

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