LG FLATRONL194WT User Manual

COLOR MONITOR
SERVICE MANUAL
Website:http://biz.LGservice.com
E-mail:http://www.LGEservice.com/techsup.html
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS NO. : LM57G
MODEL: L194WT(L194WT-SFQ.A**RQF)
L194WT(L194WT-BFQ.A**RQF)
( ) **Same model for Service

LG FLATRONL194WT Specifications

General

Screen Size	19 inches
Resolution	1440 x 900
Panel Type	TN
Brightness	300 cd/m²
Contrast Ratio	2000:1 (DFC)
Response Time	5 ms
Connectivity	VGA, DVI
Aspect Ratio	16:10
Viewing Angle	160° (horizontal), 160° (vertical)

Summary

Product Specifications

Power Supply Details

Power adaptor input specifications and power consumption.

Connector Pin Assignments

DVI-D Connector Pinout

Safety Precautions

Safety-Related Components

Identification of critical components important for safety during servicing.

Handling the LCD Module

Guidelines for safely handling the LCD module with backlight unit.

Servicing Precautions

General Servicing Precautions

Essential safety rules and practices for servicing electronic equipment.

Electrostatically Sensitive Devices

Precautions and techniques for handling sensitive electronic components.

Repair and Servicing Procedures

Soldering Guidelines

Component Replacement

Procedures for replacing ICs, transistors, diodes, fuses, and resistors.

Circuit Board Foil Repair

Disassembly Instructions

Block Diagram

Adjustment Procedures

Port Setup for EDID

EDID Read & Write

Troubleshooting Guide

No Power Issues

Diagnostic steps for when the monitor fails to power on.

No Raster (Display Issues)

Troubleshooting steps for display problems without OSD.

DPM Troubleshooting

Wiring Diagram

Replacement Parts List