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LG Flatron W2442PA User Manual

LG Flatron W2442PA
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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. : LM89A
MODEL: W2442PA(W2442PA-BFT.A***P*)
( ) **Same model for Service
Internal Use Only
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LG Flatron W2442PA Specifications

General IconGeneral
BrandLG
ModelFlatron W2442PA
CategoryMonitor
LanguageEnglish

Summary

SPECIFICATIONS

LCD CHARACTERISTICS

Details of the LCD panel, including type, size, and pixel pitch.

OPTICAL CHARACTERISTICS

Optical properties like viewing angle, luminance, and contrast ratio.

SIGNAL CHARACTERISTICS

Information about signal types, voltage levels, and frequencies.

MAXIMUM RESOLUTION

Specifies the maximum supported display resolution.

POWER SUPPLY SPECIFICATIONS

Details about the power input and consumption levels.

ENVIRONMENTAL CONDITIONS

Specifies operating temperature, humidity, and MTBF.

PHYSICAL DIMENSIONS

Provides the physical dimensions of the monitor.

WEIGHT SPECIFICATIONS

Lists the net and gross weight of the monitor.

Signal Connector Pin Assignments

DVI-D Connector Pinout

Pinout and signal assignments for the DVI-D digital connector.

SAFETY PRECAUTIONS

Safety-Related Component Handling

Highlights critical components for safety and the need for manufacturer-specified parts.

LCD Module Handling Care

Guidelines for safely handling the LCD module and preventing damage.

General Service Caution

A general caution regarding tool usage for shock hazard prevention.

SERVICING PRECAUTIONS

General Servicing Procedures

General guidelines for safe and proper servicing procedures.

ES Device Handling

Procedures to protect against static electricity damage to sensitive components.

COMPONENT REPAIR AND REPLACEMENT

Soldering and Desoldering Guidelines

Standard procedures and tips for effective soldering and unsoldering.

IC Removal and Replacement

Detailed steps for removing and replacing integrated circuits.

Transistor Replacement Procedures

Procedures for replacing small-signal and power transistors.

Diode, Fuse, Resistor Replacement

Methods for replacing diodes, fuses, and conventional resistors.

CIRCUIT BOARD FOIL REPAIR

IC Connection Foil Repair

Instructions for repairing damaged copper patterns at IC connections using jumper wires.

Non-IC Connection Foil Repair

Guidelines for repairing copper patterns at non-IC connections with jumper wires.

TIMING CHART

DISASSEMBLY PROCEDURE

SYSTEM BLOCK DIAGRAM

BLOCK DIAGRAM DESCRIPTIONS

Video Controller Part Explanation

Explanation of the video signal processing and conversion components.

Power Supply Part Explanation

Description of the power supply and voltage regulation circuits.

MICOM Part Explanation

Details about the microcontroller unit and its associated memory.

LIPS BOARD FUNCTIONALITY

LIPS Board Block Diagram

Visual representation of the LIPS (Local Interconnect Power Supply) board.

LIPS Operation Description

Explanation of the functional blocks within the LIPS board.

ADJUSTMENT PROCEDURES

Port Setup for Adjustment

Steps for setting up the necessary ports for adjustment procedures.

EDID Data Management

Instructions for reading and writing Extended Display Identification Data (EDID).

SERVICE OSD MENU

OSD Menu Functions and Settings

Description of various functions and settings available in the Service OSD menu.

TROUBLESHOOTING GUIDE

No Power Troubleshooting

Troubleshooting steps for issues related to the monitor not powering on.

TROUBLESHOOTING: NO RASTER (LIPS)

LIPS Board Related No Raster

Diagnostic steps for no raster condition related to the LIPS board.

TROUBLESHOOTING: NO RASTER (MAIN)

Main Board Related No Raster

Steps for diagnosing no raster issues originating from the main board.

TROUBLESHOOTING: DPM ISSUES

DPM Fault Diagnosis Steps

Steps to troubleshoot problems related to the Digital Picture Management (DPM) system.

WIRING DIAGRAM

EXPLODED VIEW

POWER CIRCUIT DIAGRAM

INVERTER CIRCUIT DIAGRAM

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