Dell E2223HN Service Manual

Service Manual
10
6. Trouble Shooting Instructions
Your monitor has a built-in diagnostic tool that helps you determine if any screen abnormality you experience is an inherent problem with
your monitor, or with your computer and video card.
To run the built-in diagnostics:
1. Ensure that the screen is clean (no dust particles on the surface of the screen).
2. Press and hold Button 4 for about 4 seconds and wait for a pop up menu.
3. Use Button 1 or 2 to select the and press to confirm. A gray test pattern appears at the beginning of the diagnostic program.
4. Carefully inspect the screen for abnormalities.
5. Press Button 1 to change the test patterns.
6. Repeat steps 4 and 5 to inspect the display in red, green, blue, black, white and text screens.
7. When in White color test screen, check for white color uniformity and if there white color appears greenish/reddish, etc.
8. Press Button 1 to end the diagnostic program.

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