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LG FLATRON M228WA Series User Manual

LG FLATRON M228WA Series
52 pages
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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. : LP69G
MODEL: M228WA (M228WA-BZH.A**QLP)
*( ) **Same model for Service
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LG FLATRON M228WA Series Specifications

General IconGeneral
Screen Size22 inches
Resolution1680 x 1050
Aspect Ratio16:10
Panel TypeTN
Brightness300 cd/m²
Contrast Ratio1000:1
Dynamic Contrast Ratio5000:1
Response Time5 ms
Built-in SpeakersYes
InputsDVI, HDMI, S-Video
Power Consumption45W

Summary

Specifications Overview

Optical Characteristics

Safety Precautions

Component & Handling Safety

Highlights critical components for safety and LCD module handling.

Electrical Shock Warnings

Warns about high voltage and proper handling of inverter circuits.

Servicing Precautions

General Servicing Guidelines

General safety guidelines for servicing the unit.

ESD Protection Measures

Advises on protecting against static electricity damage to components.

Soldering & Component Replacement

Component Replacement Procedures

Provides instructions for soldering and replacing various electronic components.

Circuit Board Repair

Disassembly Procedures

Block Diagram

System Block Diagram

Visual representation of the monitor's main functional blocks and connections.

Block Diagram Descriptions

Adjustment Procedures

EDID Configuration with WinEDID

Instructions for using WinEDID to configure EDID data.

Adjustment Instructions

PCB Check & ADC Adjustments

Steps for checking the main PCB and adjusting PC/Component ADC.

Adjustment Commands & EEPROM Operations

Troubleshooting Guide

No Power Issue

Troubleshooting steps for when the monitor does not power on.

No Raster (Display) Issue

Troubleshooting steps for when there is no image displayed.

No Raster on RGB Signal

Troubleshooting for no raster specifically with RGB input.

No Raster on Component Signal

Troubleshooting for no raster with component video input.

No Raster on DVI/AV/TV Signals

Troubleshooting for no raster on DVI, AV, S-Video, and TV/RF inputs.

No Sound Issue

Troubleshooting steps for when there is no audio output.

Exploded View

Replacement Parts List

Schematic Diagrams

Printed Circuit Board Layouts

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