AOC e2250Swdn Service Manual

Horizontal Frequency
30 - 83kHz
Table of Contents
Description Page Description Page
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE
CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
Service
Service
Service
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
R FOR TH
UNIT WHEN S
21.5" LCD Monitor AOC E2250SWDN
Table of Contents…………………..…………………..…...1
Revision List.…...................................................……......2
Important Safety Notice.….….............................……......3
1.Monitor Specification..............................………............4
2.LCD Monitor Description……….…………………….......5
3.Operation Instruction.…………...................……...........6
3.1.General Instructions....................................…...........6
3.2.Control Buttons and Connections...............................6
3.3.OSD Setting…..........................................................8
4.Input/Output Specification...............……………….......24
4.1.Input Signal Connector...............………..................24
4.2.Preset Display Modes……..........................25
4.3.Panel Specification…………..………………………..26
5.Block Diagram….........................................................28
5.1.Main Board…..….............................................28
5.2.Power Board…………..…………………………......29
6.Schematic…………..….........................................30
6.1.Main Board..…….…...........................................30
6.2.Power Board..……….........................................35
7.PCB Layout..………..............................................37
7.1.Main Board………..…........................................37
7.2.Power Board….…..............................................39
7.3.Key Board………..…..........................................40
8.Maintainability………............................................41
8.1.Equipments and Tools Requirement…...............41
8.2.Trouble Shooting…..………...............................42
9.White-Balance,Luminance Adjustment…..............46
10.Monitor Exploded View……...............................48
11.BOM List…………..……………………….............49

AOC e2250Swdn Specifications

General

3D	No
Pixel pitch	0.248 x 0.248 mm
Aspect ratio	16:9
Display diagonal	21.5 \
Vertical scan range	50 - 751 Hz
Horizontal scan range	30 - 83 kHz
Supported video modes	1080i, 1080p, 720p
Viewable size, vertical	268.1 mm
Viewing angle, vertical	60 °
Contrast ratio (dynamic)	20000000:1
Display number of colors	16.78 million colors
Viewable size, horizontal	476.6 mm
Viewing angle, horizontal	90 °
Display brightness (typical)	200 cd/m²
Supported graphics resolutions	1920 x 1080 (HD 1080)
On/off switch	Yes
Ethernet LAN (RJ-45) ports	0
Number of products included	1 pc(s)
DVI-I ports quantity	-
Safety	RoHS
Certification	EPEAT Silver, FCC, CE
Product color	Black
LED indicators	Power
Cable lock slot type	Kensington
Number of OSD languages	16
Panel mounting interface	75 x 75 mm
AC input voltage	110 - 220 V
AC input frequency	50 - 60 Hz
Power consumption (max)	31.5 W
Power consumption (standby)	- W
Cables included	AC
Bundled software	Screen+
Operating temperature (T-T)	5 - 35 °C
Operating relative humidity (H-H)	20 - 80 %
Sustainability certificates	ENERGY STAR
Package width	564 mm
Package height	394 mm
Package weight	4060 g

Weight and Dimensions

Depth (without stand)	109 mm
Width (without stand)	511.2 mm
Height (without stand)	379.9 mm
Weight (without stand)	3280 g