eMachines E19T5W - 19" LCD Monitor User Manual

19” LCD Color Monitor Emachine E19T5W
1
Service
Service
Service
Horizontal Frequency
31-81 kHz
TABLE OF CONTENTS
Description Page Description Page
N
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.Operation Instruction……………...............……...........6
3.1.General Instructions………..........................…...........6
3.2.Control Button…………….…..............……...............6
3.3.Adjusting the Picture...........................…............7
4.Input/Output Specification............……………............9
4.1.Input Signal Connector............………….................9
4.2.Factory Preset Display Modes.........................11
4.3.Panel Specification.....……...……………..................12
5.Block Diagram………...................…………................14
5.1.Software Flow Chart…………………………...........14
5.2.Electrical Block Diagram…………………..….......16
6.Schematic…………………...................................…18
6.1.Main Board.................................................18
6.2. Power Board...……….…....................................23
7.PCB Layout..……………….......................................25
7.1.Main Board……………........................................25
7.2.Power Board….......................................28
7.3.Key Board…………...…….....................................30
8.Maintainability…………….........................................31
8.1.Equipments and Tools Requirement...................31
8.2.Trouble Shooting…………..............................32
9.White-Balance Luminance adjustment………….....38
10.Monitor Exploded View……………………….........39
11.BOM List….....................................................41
12.Different Parts List…............................................53
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

eMachines E19T5W - 19" LCD Monitor Specifications

General

Brand	eMachines
Model	E19T5W - 19" LCD Monitor
Category	Monitor
Language	English

Summary

Revision History

Safety Precautions

Technical Specifications

Monitor Component Description

Monitor Block Diagram

Diagram showing main components and their connections.

User Operation Guide

General Instructions

Basic steps to turn on and connect the monitor.

Control Buttons

Explains the function of each control button on the monitor.

Adjusting the OSD Menu

Guide to navigating and adjusting On-Screen Display settings.

Connectivity and Signal Specs

Input Signal Connector

Details pin assignments for D-SUB and DVI connectors.

Factory Preset Display Modes

Lists available display resolutions and frequencies.

Panel Specification

Technical specifications of the LCD panel.

System Diagrams

Software Flow Chat

Diagram illustrating the monitor's software operation flow.

Electrical Block Diagram

High-level block diagram of the monitor's main board electronics.

Circuit Schematics

Main Board Schematic

Detailed schematic diagram for the monitor's main board.

Power Board Schematic

Schematic diagram for the monitor's power supply board.

Printed Circuit Board Layouts

Main Board PCB Layout

Physical layout of components on the main PCB.

Power Board PCB Layout

Physical layout of components on the power board PCB.

Key Board PCB Layout

Physical layout of components on the key button board.

Service and Maintenance

Equipments and Tools Requirement

Lists necessary tools and equipment for servicing.

Troubleshooting Guide

Main Board Troubleshooting

Troubleshooting guide for issues related to the main board.

No Picture Troubleshooting

Troubleshooting steps for when the display shows no picture.

White Screen Troubleshooting

Troubleshooting steps for a white screen display issue.

Power/Inverter Board Troubleshooting

Troubleshooting guide for power and backlight issues.

LED/Backlight Issues Troubleshooting

Troubleshooting steps for no backlight or LED issues.

Keypad Board Troubleshooting

Troubleshooting steps for issues with the keypad or OSD.

Color Calibration Procedure

Exploded View and Parts

Bill of Materials (BOM)

Variant Parts Identification