Dell E2223HN Service Manual

Service Manual
8
7. Remove PCBA 1
a. Remove mylar (squared in red in the
upper picture)
b. Remove grounding screw “1” then
locking screws marked “2~5” with
electric screwdriver
c. Torque: 5.5 +/- 0.5Kgf/cm, Phillips
screwdriver
10. Remove Keypad
a. Remove keypad from front cover
(loosen hook circled in red first)
8. Remove PCBA 2
a. Remove PI board and IF board
b. Separate PI board from IF board
11. Remove Components on PI Board 1
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
9. Remove LVDS Cable and Light Bara
a. Remove light bar from PI board (grasp
on Pin then pull upwards to remove)
b. Remove LVDS cable from IF board (lift
cover before remove)
12. Remove Components on PI Board 2
a. Take out the capacitor pin solder with
soldering iron
b. Lift the bulk capacitor away from power
board
S7
S10

Dell E2223HN Specifications

General

Panel type	VA
Color gamut	83 %
Pixel pitch	0.249 x 0.241 mm
Screen shape	Flat
Pixel density	103 ppi
Response time	10 ms
Backlight type	LED
Display diagonal	21.45 \
Anti-glare screen	Yes
Display technology	LCD
Native aspect ratio	16:9
Vertical scan range	50 - 75 Hz
Maximum refresh rate	60 Hz
Response time (fast)	5 ms
Viewable size diagonal	544.83 mm
Viewable size, vertical	260.28 mm
Contrast ratio (typical)	3000:1
Display number of colors	16.7 million colors
Display diagonal (metric)	54.48 cm
Viewable size, horizontal	478.66 mm
Display brightness (typical)	250 cd/m²
Tilt angle range	-5 - 21 °
Cable lock slot type	Kensington
Panel mounting interface	100 x 100 mm
Doesn't contain	PVC/BFR
Sustainability certificates	ENERGY STAR, RoHS, TCO
HDMI version	1.4
DisplayPorts quantity	0
Input current	0.7 A
AC input voltage	100 - 240 V
Power supply type	Internal
AC input frequency	50 - 60 Hz
Power consumption (max)	19 W
Power consumption (standby)	0.3 W
Power consumption (typical)	12.83 W
Package depth	355 mm
Package width	565.9 mm
Package height	119.8 mm
Package weight	4140 g
Operating altitude	0 - 5000 m
Non-operating altitude	5000 - 12192 m
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	10 - 80 %
RMS rated power	0 W
Product color	Black
Heavy metals free	Hg (mercury)
Market positioning	Office
Harmonized System (HS) code	85285210

Weight and Dimensions

Bezel width (top)	12.8 mm
Depth (with stand)	171 mm
Width (with stand)	504.26 mm
Height (with stand)	384.17 mm
Weight (with stand)	2590 g
Bezel width (bottom)	16.9 mm
Depth (without stand)	49.64 mm
Height (without stand)	295.38 mm
Weight (without stand)	2260 g