21.5" LCD Color Monitor AOC E2251FWU
1
Service
Service
Service
Horizontal Frequency
67.5 KHz
TABLE OF CONTENTS
Description Page Description Page
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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.
Table of Contents.......……....................................…........1
Revision List.…........................................……......2
Important Safety Notice.……..................……......3
1.Monitor Specification..............................………........4
2.LCD Monitor Description…………………………….......5
3.Connecting the Monitor…………...............……...........6
4.Input/Output Specification............……………............7
4.1.Input Signal Connector............………….................7
4.2.Factory Preset Display Modes……..........................7
4.3.Panel Specification.....………...…………..................8
5.Block Diagram…..….....................…………................10
5.1.Main Board………..…………………....….......10
6.Schematic……………......................................11
6.1.Main Board………..........................................11
6.2.LED Board...….…....................................17
7.PCB Layout..………….......................................18
7.1.Main Board………........................................18
7.2.LED Board….......................................22
8.Maintainability……….......................................23
8.1.Equipments and Tools Requirement...............23
8.2.Trouble Shooting…………..............................24
9.White-Balance, Luminance Adjustment.............26
10.Monitor Exploded View………..…….…............27
11.BOM List…………………………………............29
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
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