LG FLATRON M198WA-BZH.A**QLP Series 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. : LP69G
MODEL: M228WA (M228WA-BZH.A**QLP)
*( ) **Same model for Service

LG FLATRON M198WA-BZH.A**QLP Series Specifications

General

Brand	LG
Model	FLATRON M198WA-BZH.A**QLP Series
Category	Monitor
Language	English

Summary

Product Specifications

General TV Specifications

Details general specifications for TV functionality.

Input and Optical Specifications

RGB/DVI Input Specifications

Specifies parameters for RGB and DVI video inputs.

Module Specifications

Provides details on the LCD module components.

Model Input Specifications

Input Signal Types Overview

Lists various input signal types supported by the monitor.

Input Signal Parameters

DTV DVI Input Parameters

Safety and Servicing Precautions

Safety-Related Component Warnings

Highlights critical safety components and potential hazards.

LCD Module Handling and Electrical Safety

Provides guidelines for safely handling the LCD module.

General Servicing Safety Guidelines

General safety rules to follow during servicing operations.

Electrostatic Discharge (ESD) Procedures

Methods to prevent damage from static electricity.

Repair Procedures

Soldering and Component Replacement Guidelines

Component Replacement Procedures

Disassembly Instructions

Stand Base and Cable Management Removal

Base Body, Hinge Cover, and Back Cover Removal

System Block Diagram

System Block Diagram Overview

Adjustment Procedures - EDID

EDID Read/Write Setup and Editing

Adjustment Procedures - PCB and ADC

Main PCB Check and Download

PC Input ADC Adjustment

Steps for adjusting the Analog-to-Digital Converter for PC input.

Adjustment Procedures - Verification

Component Input ADC Adjustment

Steps for adjusting the ADC for component video input.

Function Check and Assembly Process

RGB Color Coordinate Confirmation

Adjustment Procedures - Input Confirmation

AV2 and Component Color Confirmation

Auto Adjustment and DVI Input Parameters

Adjustment Commands

EEPROM Read/Write and VRAM Read Commands

Service OSD and Cable Connection

Service OSD Operation and Cable Diagram

Troubleshooting Guide

No Power (LED Indicator Off) Troubleshooting

Diagnostic steps for when the unit has no power.

No Raster (General) Troubleshooting

Diagnostic steps for when there is no display output.

No Raster on RGB Signal Troubleshooting

Troubleshooting steps for no raster with RGB signal.

No Raster on Component Signal Troubleshooting

Troubleshooting steps for no raster with Component signal.

No Raster on DVI, AV, and TV Signals Troubleshooting

Troubleshooting for no raster with DVI, AV, and TV signals.

Troubleshooting - Audio

No Sound Troubleshooting Steps

Diagnostic steps for when there is no audio output.

Exploded View and Parts List

Component Identification and Part Numbers

Replacement Parts List

Capacitor Part Numbers and Specifications

Capacitor Part Numbers and Specifications (Continued)

Capacitors, Inductors, Diodes Part Numbers

Diodes, Filters, ICs Part Numbers

Resistor Part Numbers and Specifications

Resistor Part Numbers and Specifications (Continued)

Resistor and Switch Part Numbers

Transistors, Miscellaneous, Accessories Part Numbers

Schematic Diagrams

MSTAR Processor Schematic

Circuit diagram for the main MSTAR processor (IC100).

Panel & Connector Circuit Schematic

DDR Memory Interface Schematic

Audio Amplifier (YDA138) Schematic

Tuner (TAFT-W003D) Schematic

D-SUB and DVI Input Schematic

SCART and DAC Schematic

Various Input Jacks Schematic

Standby and General Voltage Schematics

Circuit diagrams for the power supply's standby and general voltages.