EasyManua.ls Logo

LG Flatron L226WTQ User Manual

LG Flatron L226WTQ
29 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
COLOR MONITOR
SERVICE MANUAL
Website:http://biz.LGservice.com
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS NO. : LM74B
MODEL: L226WTQ(L226WTQ-BFS.A**MQP,A**QQP,
A**VQP
)
L226WTQ(L226WTQ-WFS.A**OAP,A**QAP,
A**VAP
)
( ) **Same model for Service
Question and Answer IconNeed help?

Do you have a question about the LG Flatron L226WTQ and is the answer not in the manual?

LG Flatron L226WTQ Specifications

General IconGeneral
BrandLG
ModelFlatron L226WTQ
CategoryMonitor
LanguageEnglish

Summary

Monitor Specifications

LCD and Optical Characteristics

Details on LCD panel properties, viewing angles, luminance, and contrast.

Signal, Resolution, and Power

Information on signal inputs, maximum resolution, and power requirements.

Environmental and Physical Data

Environmental operating conditions and physical dimensions/weight.

Signal Connector Pin Assignment

DVI-D Connector Pin Assignment

Details the pinout for the DVI-D digital connector.

Precautions

Safety-Related Component Warnings

Highlights critical safety components and modification risks.

Handling LCD Module Precautions

Provides guidelines for safely handling the LCD module.

Servicing Precautions

General Servicing Precautions

Lists essential precautions before and during servicing.

Handling Electrostatic Sensitive Devices

Explains how to prevent damage from static electricity.

General Soldering Guidelines

IC Component Removal and Replacement

Step-by-step guide for removing and installing ICs.

Discrete Transistor Replacement

Procedures for replacing small-signal and power transistors.

Diode and Fuse/Resistor Replacement

Steps for replacing diodes, fuses, and resistors.

Circuit Board Foil Repair

Foil Repair at IC Connections

Method for repairing foil traces connected to IC pins.

Foil Repair at Other Connections

Method for repairing foil traces at non-IC connections.

Timing Chart

Disassembly

Screw Removal

Instructions for removing screws during disassembly.

Front Cover Removal

Procedure for detaching the front cover.

PCB Disassembly

Steps for removing the printed circuit boards.

Back Cover Removal

Instructions for removing the back cover.

Block Diagram

Description of Block Diagram

Video Controller Part Description

Explanation of the video controller's functions and components.

Power Part Description

Details the power supply and inverter circuit functions.

MICOM Part Description

Describes the microcontroller unit and its associated components.

LIPS Board Block Diagram

Power Supply Operation Description

Adjustment

Port Setup for EDID

Steps for setting up the user port for EDID operations.

EDID Read and Write Procedure

Instructions for reading and writing EDID information using WinEDID.

Service OSD Menu

Initialize and Auto Color Settings

Functions for initializing and automatically balancing color.

Aging Mode and NVRAM Initialization

Options for selecting aging mode and initializing EEPROM.

RGB Manual Adjustments

Manually adjusting RGB gain and offset values.

Troubleshooting Guide

No Power Issues

Steps to diagnose and fix power-related problems.

No Raster (LIPS Board)

Troubleshooting steps for no raster on the LIPS board.

No Raster (Main Board)

Troubleshooting steps for no raster on the main board.

DPM Issues

Steps to diagnose and resolve DPM (Digital Panel Manager) problems.

Exploded View

Exploded View Parts List

Detailed list of parts with their part numbers and descriptions.

Replacement Parts List

Accessories and Capacitors

Part numbers for accessories and capacitors.

Diodes, Resistors, ICs, Filters, Transistors

Part numbers for diodes, resistors, ICs, filters, and transistors.

Connectors, Switches, and Others

Part numbers for connectors, switches, and other components.

Printed Circuit Board

Main PCB Layout (Top)

Diagram showing the component layout on the top side of the main PCB.

Main PCB Layout (Bottom)

Diagram showing the component layout on the bottom side of the main PCB.

Control Section

LED PCB Diagram

Schematic diagram for the LED Printed Circuit Board.

Button and Key Layout

Illustration of button placement and functions.

Schematic Diagrams

Scaler Section Schematic

Detailed circuit schematics for the scaler IC and related components.

Power and Wafer Schematics

Schematics for the power supply and wafer connections.

Control Section Schematic

Circuit diagram for the control and button interface.

Related product manuals