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LG FLATRON E2350V User Manual

LG FLATRON E2350V
26 pages
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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. : LM99D
MODEL: E2350V(E2350V-PFV.A***AVN)
( ) **Same model for Service
Internal Use Only
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LG FLATRON E2350V Specifications

General IconGeneral
BrandLG
ModelFLATRON E2350V
CategoryMonitor
LanguageEnglish

Summary

Specifications

LCD Characteristics

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

Optical Characteristics

Specifies viewing angles, luminance, and contrast ratios.

Signal Characteristics

Describes signal types, input signals, and operating frequencies.

Maximum Resolution

Lists the maximum supported resolutions for Analog, Digital, and HDMI.

Power Supply

Details power supply specifications including adaptor input and power consumption.

Environment

Outlines operating temperature, humidity, and MTBF for the unit.

Dimensions

Provides the physical dimensions of the monitor with tilt and swivel.

Weight

States the net and gross weight of the monitor with tilt and swivel.

Signal Connector Information

DVI-D Connector Pinout

Details the pin assignments for the DVI-D digital connector.

Safety and Handling Precautions

Safety-Related Components

Highlights critical safety components and the need for specified replacement parts.

LCD Module Handling

Provides guidelines for safely handling the LCD module and backlight unit.

Electric Shock Warning

Warns about electric shock hazards, especially with the inverter circuit.

Servicing Procedures and Precautions

General Servicing Guidelines

General guidelines for safe servicing, including power disconnection and testing.

Electrostatic Discharge (ESD) Handling

Explains how to handle ES devices to prevent damage from static electricity.

Component Replacement and Soldering

General Soldering Practices

Covers best practices for soldering, including iron temperature and solder type.

IC Removal and Replacement

Details the procedure for removing and replacing Integrated Circuits.

Transistor Replacement

Explains how to remove and replace small-signal and power transistors.

Diode Replacement

Outlines the process for removing and replacing diodes.

Fuse and Resistor Replacement

Describes how to replace fuses and conventional resistors.

Circuit Board Repair Techniques

Copper Foil Repair

Provides guidelines for repairing damaged copper foil on circuit boards.

IC Connection Repair

Specific steps for repairing copper patterns at IC connections using jumper wires.

Other Connection Repair

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

Timing Chart

Disassembly Procedure

Block Diagram

Block Diagram Components Description

Video Controller Part Description

Explains the function of the video controller, scaler, ADC, and TMDS receiver.

Power Part Description

Describes the power supply components, including DC-DC converters and regulators.

MICOM Part Description

Details the MICOM part, including EEPROM, Reset IC, and flash memory.

Monitor Adjustment Procedures

Port Setup for Adjustment

Instructions for setting up the user port for software interaction.

EDID Data Management

Steps to read and write EDID data using WinEDID software.

Service OSD Menu Operations

Troubleshooting Common Issues

No Power Troubleshooting

Flowchart to diagnose and resolve no-power issues, including voltage checks.

No Raster (OSD Not Displayed) - LIPS

Troubleshooting steps for when the raster or OSD is not displayed on the LIPS board.

No Raster (OSD Not Displayed) - Main

Troubleshooting steps for no raster/OSD on the main board.

DPM Troubleshooting

Diagnosing and resolving issues related to the DPM (Display Power Management) function.

Wiring Diagram

Exploded View

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