Dell E1920H Manuale utente
DELL E1920H Teardown Instruction 1
1
Chapter 8-TEARDOWN INSTRUCTION
1.
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
4.
Remove Aluminium Foil and Acetate Cloth
Tape
a. Remove aluminium tape in “1~3” order
b. Remove acetate cloth tape marked with “4”
2.
Remove Front Cover:
a. Panel side up, remove front panel with
both hands in sequence of “1->2->3”,
then “1->4->5->6”.
5.
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
7.
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
y
‘;
10.
Remove Keypad
:
a. Remove screws “1, 2, 3” with electric
screwdriver. Screwdriver torque:
1.0±0.1 kgf/cm
8.
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
a.
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.
S7
S10
DELL E1920H Teardown Instruction 3
3
9.
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.
a.
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
es
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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3
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