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LG Flatron L1942P User Manual

LG Flatron L1942P
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SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS NO. : LM72A
MODEL:
L1742P (L1742P-*FT.A***QPN)
*To apply the MSTAR Chip .
( ) **Same model for Service
Website:http://biz.LGservice.com
Internal Use Only
L1942P(L1942P-*FT.A***QPN)
AUTO/SET VOLUME
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LG Flatron L1942P Specifications

General IconGeneral
Screen Size19 inches
Panel TypeTN
Display TypeLCD
Resolution1280 x 1024
Aspect Ratio5:4
Brightness300 cd/m²
Response Time5 ms
Viewing Angle160° horizontal, 160° vertical
Power Consumption36W (Operational), 1W (Standby)
InterfaceDVI-D, VGA
Input Connectors1 x DVI-D

Summary

Specifications

Power Supply

Power supply specifications including input voltage and power consumption modes.

Precaution

Safety Warnings and Precautions

Critical safety information regarding components, electric shock, and handling.

LCD Module Handling Precautions

Guidelines for safely handling the LCD module, including protection against ESD and physical damage.

Servicing Precautions

General Servicing Precautions

Essential safety rules for servicing, including power disconnection and proper tool usage.

Handling ES Devices

Procedures for safely handling electrostatically sensitive components to prevent damage.

Soldering and Component Repair

Circuit Board Foil Repair

Block Diagram

Block Diagram-Power

Description of Block Diagram

LIPS Board Block Diagram

Adjustment

EDID Port Setup

Steps to configure the system port for using the EDID adjustment software.

EDID Read and Write

Instructions for reading and writing EDID data for display configuration.

Service OSD

Troubleshooting Guide

No Power Issues

Troubleshooting flowchart for diagnosing and resolving "No Power" conditions.

No Raster (LIPS) Issues

Troubleshooting steps for "No Raster" issues related to the LIPS power supply.

No Raster (MSTAR) Issues

Troubleshooting steps for "No Raster" issues related to the MSTAR scaler.

Power Supply Issues

Detailed troubleshooting steps for various power supply related faults.

Raster Issues

Troubleshooting steps for diagnosing and fixing raster display problems.

Exploded View

Schematic Diagram

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