Dell E207WFP Service Manual

20" LCD Color Monitor
Service
Service
Service
Description
Table Of Contents..........................................................1
Revision List..................................................................2
Important Safety Notice................................................3
1.Monitor Specifications.................................................4
2.LCD Monitor Description........................................5
3.Operation Instructions...............................................6
3.1.General Instructions...........................................6
3.2.Control Buttons...................................................7
3.4 Adjusting the Picture..............................................8
4.Input/Output Specification.......................................14
4.1.Input Signal Connector.........................................14
4.2.Factory Preset Display Modes.................................14
4.3.Power Supply Requirements...................................15
4.4.Panel Specification............................................16
4.5.Definition of Pixel Defects.....................................17
5.Block Diagram.........................................................19
5.1.Software Flow Chart...........................................19
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.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

Table Of Contents

Page Description
5.2.Electrical Block Diagram...................................21
6.Schematic Diagram...................................................23
6.1Main Board.....................................................23
6.2 Power Board.........................................................28
7.PCB Layout..............................................................30
7.1.Main Board............................................................30
7.2.Power Board.......................................................32
7.3.Key Board..........................................................34
8.Maintainability...................................................35
8.1.Equipments and Tools Requirement.......................35
8.2.Trouble Shooting..................................................36
9.White-Balance, Luminance adjustment.....................42
10.ISP Instruction.......................................................44
11.Monitor Exploded View........................................50
12.BOM List.................................................................53
13.Different Parts List...........................................86
SAFETY NOTICE
1
Dell E207WFP
Horizontal Frequency
30 kHz to 83 kHz
Page