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LG Flatron L1972H User Manual

LG Flatron L1972H
36 pages
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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: L1972H(L1972H-PFS.A**OAP)
*To apply the MSTAR Chip.
( ) **Same model for Service
Internal Use Only
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LG Flatron L1972H Specifications

General IconGeneral
BrandLG
ModelFlatron L1972H
CategoryMonitor
LanguageEnglish

Summary

Precautionary Measures

Safety-Related Component Handling

Guidance on replacing critical safety components in the LCD monitor.

LCD Module Handling Safety

Precautions for safely handling the LCD module with backlight unit.

Electric Shock Hazard Warning

Warning about high voltage present in the inverter circuit and how to avoid shock.

Servicing Precautions

General Servicing Guidelines

General safety and operational guidelines for servicing the monitor.

Handling ESD Sensitive Devices

Techniques to prevent damage to sensitive components from static electricity.

Component Removal and Replacement

Monitor Specifications

LCD Characteristics

Details of the LCD panel's physical and electrical characteristics.

Optical Characteristics

Specifications related to the visual performance of the display.

Maximum Resolution

Maximum display resolutions supported by the monitor.

Monitor Disassembly Procedure

Adjustment Procedures

Color and Luminance Calibration Steps

Detailed instructions for calibrating color coordinates and luminance.

Operation Confirmation and EDID Management

Verifying adjustments, OSD functions, EDID data, and shipping settings.

EDID Management Guide

EDID Data Read and Write Procedures

Instructions for reading and writing EDID data using the WinEDID tool.

Service OSD Menu Operations

Troubleshooting Guide

No Power Diagnosis

Troubleshooting flowchart for no power issues.

No Raster Troubleshooting

No Raster/OSD (LIPS)

Troubleshooting steps for no raster or no OSD display related to LIPS.

No Raster Troubleshooting (Main)

No Raster/OSD (Main)

Troubleshooting flowchart for no raster on the main board.

DPM Troubleshooting

Power Supply Troubleshooting

No Power Indicator Off

Flowchart for diagnosing power issues when the indicator is off.

Raster Troubleshooting

No Raster Lamp Off

Troubleshooting steps when the raster is off or the lamp is off.

Replacement Parts List - Capacitors, Diodes, and ICs

Integrated Circuit (IC) Replacements

List of integrated circuits with part numbers and specifications.

Replacement Parts List - ICs, Coils, Transistors, and Resistors

Continued IC Replacements

Continued list of integrated circuits.

Printed Circuit Board Layouts

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