LG 24MP48HQP - User Manual

Printed in China
COLOR MONITOR
SERVICE MANUAL
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS NO. : LM44A
MODEL:
24MP48HQ
Internal Use Only

LG 24MP48HQP Specifications

General

Brand	LG
Model	24MP48HQP
Category	Monitor
Language	English

Summary

Precautions

Safety-Related Components

Critical components require manufacturer-specified replacements to ensure safety.

LCD Module Handling Precautions

Guidelines for safely handling the LCD module to prevent damage.

Servicing Precautions

General Servicing Practices

Essential safety and procedural guidelines for servicing the monitor.

Electrostatic Discharge (ESD) Prevention

Techniques to protect sensitive components from static electricity damage.

Soldering Guidelines and Techniques

Best practices for soldering electronic components safely and effectively.

Component Replacement Procedures

Step-by-step instructions for replacing ICs, transistors, diodes, fuses, and resistors.

Circuit Board Foil Repair

Methods for repairing damaged copper patterns on printed circuit boards.

Specifications

General Model Specifications

Comprehensive technical details including model, features, and connectivity.

Mechanical Dimensions and Weight

Physical dimensions, weight, and packaging information for the monitor.

Optical Performance Characteristics

Details on viewing angle, luminance, contrast ratio, and color coordinates.

Electrical and Engineering Specs

Technical data on sync types, resolutions, input voltage, and power consumption.

Environmental Specs and OSD Menu

MTBF, altitude, and On-Screen Display menu structure and language options.

LCD Module and Display Area Specs

Characteristics of the LCD module and active display area dimensions.

Extended Display Identification Data (EDID)

Information regarding EDID protocol for interface communication.

Timing Chart

Horizontal and Vertical Timing Chart

Detailed timing chart for various video signals and resolutions.

Supported HDMI Video Input Modes

List of preset video modes compatible with the HDMI input.

Adjustment

Adjustment Scope and Procedure Order

Defines the coverage, appointment, and sequence for monitor adjustments.

Color and Luminance Calibration

Steps for calibrating color coordinates and luminance levels.

Operational and Quality Confirmation

Verifying operational modes, quality standards, and specific diagnostic checks.

Connectivity and DDC;EDID Procedures

Instructions for RJ-45 input, writing DDC EDID, and shipping condition verification.

Auto;Manual Adjustment Standards

Criteria and procedures for manual and automated equipment adjustments.

Adjustment Patterns and Confirmation Tests

Details on patterns used for adjustment and essential confirmation tests.

Block Diagram

Hardware Block Diagram

A schematic illustrating the main hardware components and their interconnections.

Troubleshooting Guide

No Power Troubleshooting Guide

Step-by-step guide to diagnose and resolve issues related to the monitor not powering on.

No Raster (OSD Not Displayed) Troubleshooting

Diagnostic procedures for screen display issues where no image or OSD appears.

DPM Troubleshooting and Waveforms

Troubleshooting steps for Dynamic Power Management (DPM) issues with waveform analysis.

Exploded View