To Next PageTo Next Page
Need help?Do you have a question about the LG FLATRON 27MP58VQ and is the answer not in the manual?
Guidelines for safely handling the LCD module and backlight unit, including mounting and ESD protection.
Circuit diagram and procedure for performing a leakage current hot check test.
General guidelines for safe servicing, including power disconnection, testing, and chemical usage.
Techniques to prevent damage to components caused by static electricity during servicing.
Best practices for soldering, including tool usage, tip maintenance, and cleaning.
Procedures for removing and replacing common electronic components like ICs, transistors, diodes, fuses, and resistors.
Methods for repairing damaged copper foil patterns on circuit boards using jumper wires.
Overview of general product specifications including model, region, and features.
Details on monitor functions like OSD, DDC, HDCP, and special display features.
Specifications for various input (D-SUB, DVI, HDMI) and output (HP) ports.
Details on included signal cables (D-SUB, DVI, HDMI) and audio cable specifications.
Input voltage range, power consumption, and output voltage details for the monitor.
Lists of compatible panel part numbers and backlight unit part numbers for the model.
Dimensions and weight of the product before and after packing, with and without stand.
Specifications for viewing angle, luminance, contrast ratio, response time, and light leakage.
Detailed CIE color coordinates for various color temperatures and display modes.
Details on supported sync types, operating frequencies, and resolution capabilities.
Specifications for input voltage, current, operating modes, and power consumption.
Mean Time Between Failures (MTBF) and lamp life specifications.
Specifications for operating altitude and environmental conditions (temperature, humidity).
Details on OSD menu adjustments for Brightness, Contrast, and Volume.
Selection of picture modes and adjustments for sharpness, response time, and gamma.
Settings for color temperature, RGB levels, and display timing adjustments like clock and phase.
System settings including language, power management, OSD lock, and auto-configuration.
Details on LCD module features, dimensions, interface, and backlight unit specifications.
CIE color coordinates, standard measurement conditions, and display area dimensions.
Details on manufacturer ID, product ID, year, version, serial number, and model name.
Hexadecimal data for EDID version 1.3 when using analog connection.
Hexadecimal data for EDID version 1.3 when using HDMI connection.
Diagram illustrating video and sync signal timing parameters.
Detailed table of H/V timing parameters for various resolutions and refresh rates.
Understanding the adjustment coverage, appointment requirements, and overall process.
Step-by-step guide for performing factory adjustments in the correct sequence.
Adjustments for board assembly, total assembly, and interface connections (D-sub, RJ-45).
Confirming screen position, color coordinates, OSD, signal patterns, DPM, and RJ-45 input.
Procedures for writing EDID data and performing final checks before shipping.
Standards for voltage, color coordinates, screen position, and compensation adjustments.
Standards for confirming DPM, gray scale, voltage, ground, ADC patterns, and network tests.
Descriptions of various patterns used for display adjustment, including black, white, cross hatch, and color bars.
Flowchart for diagnosing and resolving issues where the screen does not turn on.
Flowchart for diagnosing and resolving no video issues via D-Sub connection.
Flowchart for diagnosing and resolving no video issues via DVI connection.
Flowchart for diagnosing and resolving no video issues via HDMI connection.
Flowchart for diagnosing and resolving no sound issues via HDMI connection.
Schematic diagram for the main printed circuit board (PCB) of the monitor.
Schematic diagrams for the LED driver circuits.
Schematics for LVDS, HDMI, D-Sub, DVI inputs, and earphone output.
Guidelines for safely handling the LCD module and backlight unit, including mounting and ESD protection.
Circuit diagram and procedure for performing a leakage current hot check test.
General guidelines for safe servicing, including power disconnection, testing, and chemical usage.
Techniques to prevent damage to components caused by static electricity during servicing.
Best practices for soldering, including tool usage, tip maintenance, and cleaning.
Procedures for removing and replacing common electronic components like ICs, transistors, diodes, fuses, and resistors.
Methods for repairing damaged copper foil patterns on circuit boards using jumper wires.
Overview of general product specifications including model, region, and features.
Details on monitor functions like OSD, DDC, HDCP, and special display features.
Specifications for various input (D-SUB, DVI, HDMI) and output (HP) ports.
Details on included signal cables (D-SUB, DVI, HDMI) and audio cable specifications.
Input voltage range, power consumption, and output voltage details for the monitor.
Lists of compatible panel part numbers and backlight unit part numbers for the model.
Dimensions and weight of the product before and after packing, with and without stand.
Specifications for viewing angle, luminance, contrast ratio, response time, and light leakage.
Detailed CIE color coordinates for various color temperatures and display modes.
Details on supported sync types, operating frequencies, and resolution capabilities.
Specifications for input voltage, current, operating modes, and power consumption.
Mean Time Between Failures (MTBF) and lamp life specifications.
Specifications for operating altitude and environmental conditions (temperature, humidity).
Details on OSD menu adjustments for Brightness, Contrast, and Volume.
Selection of picture modes and adjustments for sharpness, response time, and gamma.
Settings for color temperature, RGB levels, and display timing adjustments like clock and phase.
System settings including language, power management, OSD lock, and auto-configuration.
Details on LCD module features, dimensions, interface, and backlight unit specifications.
CIE color coordinates, standard measurement conditions, and display area dimensions.
Details on manufacturer ID, product ID, year, version, serial number, and model name.
Hexadecimal data for EDID version 1.3 when using analog connection.
Hexadecimal data for EDID version 1.3 when using HDMI connection.
Diagram illustrating video and sync signal timing parameters.
Detailed table of H/V timing parameters for various resolutions and refresh rates.
Understanding the adjustment coverage, appointment requirements, and overall process.
Step-by-step guide for performing factory adjustments in the correct sequence.
Adjustments for board assembly, total assembly, and interface connections (D-sub, RJ-45).
Confirming screen position, color coordinates, OSD, signal patterns, DPM, and RJ-45 input.
Procedures for writing EDID data and performing final checks before shipping.
Standards for voltage, color coordinates, screen position, and compensation adjustments.
Standards for confirming DPM, gray scale, voltage, ground, ADC patterns, and network tests.
Descriptions of various patterns used for display adjustment, including black, white, cross hatch, and color bars.
Flowchart for diagnosing and resolving issues where the screen does not turn on.
Flowchart for diagnosing and resolving no video issues via D-Sub connection.
Flowchart for diagnosing and resolving no video issues via DVI connection.
Flowchart for diagnosing and resolving no video issues via HDMI connection.
Flowchart for diagnosing and resolving no sound issues via HDMI connection.
Schematic diagram for the main printed circuit board (PCB) of the monitor.
Schematic diagrams for the LED driver circuits.
Schematics for LVDS, HDMI, D-Sub, DVI inputs, and earphone output.
This document outlines the service manual for the LG FLATRON 27MP58VQ Color Monitor, chassis number LM68A. It provides comprehensive information for servicing, including precautions, specifications, timing charts, adjustment procedures, block diagrams, troubleshooting guides, and exploded views.
The LG FLATRON 27MP58VQ is a wide LCD monitor designed for various applications, offering multiple input options and advanced display features. It functions as a display unit for computers and other video sources, supporting both analog and digital signals. The monitor incorporates an On-Screen Display (OSD) for user adjustments, including picture mode, input selection, and power management. It also features Smart Energy Saving, SUPER RESOLUTION+, Color Wizard, Reader mode, LG Color Cloning, and Black Stabilizer for enhanced viewing experience and energy efficiency.
The monitor offers a user-friendly experience with its joystick OSD for easy navigation through menus, picture modes, input selection, and power off functions. It supports various display adjustments including original ratio/wide, black level, color temperature (custom, warm, medium, cool), and individual RGB color adjustments. Special features like "Smart Energy Saving" help reduce power consumption. The monitor also supports multiple languages for the OSD. For connectivity, it includes D-SUB, DVI, and HDMI inputs, catering to a wide range of devices. Audio output is available via the HP OUT port.
The service manual emphasizes safety precautions for handling and servicing the LCD module, particularly regarding safety-related components marked in the schematic diagram and exploded view. It advises against modifying the original design and highlights the importance of using manufacturer-specified parts for replacements to prevent electric shock, fire, or other hazards.
Key maintenance guidelines include:
General
