Dell E2209Wc User Manual

22" LCD Color Monitor Dell E2209Wc
1
Service
Service
Service
Horizontal Frequency
30 kHz to 83 kHz
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.
6.Mechanical Instruction………………..……..…..….......29
7.Schematic Diagram………..................................….....34
7.1Main Board......………......................................34
7.2 Power Board……..…….……....................................38
7.3 Key Board………………………...…………………….40
8.PCB Layout..……...………….......................................41
8.1.Main Board……………..…........................................41
8.2.Power Board……………........................................43
8.3.Key Board………………….....................................44
9.Maintainability………….......................................45
9.1.Equipments and Tools Requirement..…….…...........45
9.2.Trouble Shooting………………….............................45
10.White-Balance, Luminance adjustment...……….....51
11.ISP Instruction…………….…….................................53
12.Monitor Exploded View…………….…………............57
13.BOM List………….....................................................59
14. Different Parts List……………………………………..71
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
Table Of Contents.......…….................……...........…........1
Revision List.….........................………................……......2
ECN History.….......................………..................……......3
Important Safety Notice.….……….…..................……......4
1.Monitor Specifications.....…........................………........5
2.LCD Monitor Description…………………………….......6
3.Operation Instructions……………...............……...........7
3.1.General Instructions…………………………………….7
3.2.Control Buttons……………...............……...............9
3.3 Adjusting the Picture...........…………….........…….10
4.Input/Output Specification.............……………........…19
4.1.Input Signal Connector............………….................19
4.2.Factory Preset Display Modes...…..…......................21
4.3.Power Supply Requirements..........……...................20
4.4.Panel Specification…….....……………..................21
4.5.Definition of Pixel Defects…………...............……….23
5.Block Diagram…….…...................…………................25
5.1.Software Flow Chart………..………………....….......25
5.2.Electrical Block Diagram………………..…..….......27

Dell E2209Wc Specifications

General

Screen Size	22 inches
Resolution	1680 x 1050
Aspect Ratio	16:10
Panel Type	TN
Brightness	300 cd/m²
Contrast Ratio	1000:1
Response Time	5 ms
Connectivity	VGA, DVI
Weight	10.1 lbs
Viewing Angle	160° (vertical) / 170° (horizontal)

Summary

Important Safety Notice

Servicing Safety Precautions

Crucial safety guidelines for handling and servicing the monitor to prevent hazards and damage.

Monitor Specifications

Panel Specification

Detailed technical specifications of the LCD panel, including dimensions, pixel pitch, and optical properties.

Operation Instructions

Front Panel Controls and OSD Menu

Explains the function of front panel buttons and navigating the On-Screen Display menu.

Picture Adjustment Guide

Instructions on how to adjust picture settings like brightness, contrast, and color via the OSD.

Input/Output Specification

Signal Connectors and Display Modes

Details monitor input connectors (VGA, DVI) and factory preset display resolutions and frequencies.

Block Diagram

Electrical System Overview

Illustrates electrical connections between monitor components like Scalar, EEPROM, and connectors.

Mechanical Instruction

Disassembly and Reassembly Procedures

Step-by-step guide for disassembling and reassembling the monitor for service and repair.

Schematic Diagram

Main and Power Board Schematics

Detailed electrical circuit diagrams for the monitor's main processing and power supply boards.

PCB Layout

Main Board PCB Layout

Visual layout of components on the monitor's main circuit board for reference.

Maintainability

Troubleshooting Common Issues

Diagnostic flowcharts for common problems like no power, no picture, or screen artifacts.

White Balance and Luminance Adjustment

Color and Brightness Calibration

Procedure for calibrating color temperature and luminance using specific tools.

ISP Instruction

Firmware Update Guide

Guide for In-System Programming (ISP) to update the monitor's firmware using specific software.

Exploded View

Component Identification and Assembly

Diagram showing all parts of the monitor with corresponding item numbers for assembly reference.

BOM List

Bill of Materials

Detailed list of all electronic and mechanical components used in the monitor assembly.