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LG RZ-15LA66 User Manual

LG RZ-15LA66
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LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : ML-041B
MODEL: RZ-15LA66(RZ-15LA66 Rev A)
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html
*( ) ID LABEL Model No.
*Same looking with new chassis
*Issue Date; 2004. 06
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LG RZ-15LA66 Specifications

General IconGeneral
BrandLG
ModelRZ-15LA66
CategoryLCD TV
LanguageEnglish

Summary

Safety Precautions

General Guidance for Servicing

Provides guidance on using isolation transformers and handling components safely during servicing.

X-RAY Radiation Warning

Warns about X-RAY radiation sources and replacement panel requirements.

AC Leakage Current Check

Details procedures for performing cold and hot checks for AC leakage current.

Servicing Precautions

General Servicing Precautions

Outlines essential precautions for general TV servicing, including power disconnection and component handling.

Electrostatically Sensitive (ES) Devices

Provides techniques to prevent damage to ES devices from static electricity.

General Soldering Guidelines

Details best practices for soldering, including tool usage and temperature control.

Specification - General

Application Range

Defines the application range for the ML-041B chassis.

Requirement for Test

Specifies conditions required for testing TV components.

General Specification

Lists general specifications for different panel types (LPL, HYDIS, CMO).

Engineering Specification

Presents general engineering specifications for the TV.

Specification - Features

Feature and Function

Details various features, functions, and input options of the TV.

Optical Character

Provides optical specifications like viewing angle, luminance, and color coordinates.

Specification - Input/Output

Power Supply Specifications

Lists power supply voltages for various components.

D-SUB Pin Configuration

Details the pin configuration for the D-SUB connector.

Control Function Details

Describes the functions controlled via specific inputs.

D4 Jack Information

Provides information on the D4 Jack connections.

Specification - Timing

PC Mode Signal Timing

Details the signal timing parameters for PC mode resolutions.

Timing Chart

Adjustment Instructions

Adjustment Overview

Explains the automated and manual adjustment procedures for the TV.

Auto Gain/Offset Adjustment

Details steps for RF and PC mode auto gain/offset adjustments.

EDID Data Setting

Covers the Extended Display Identification Data (EDID) setting process.

PAL Options Configuration

EDID Adjustment Procedure

SVC Remote Control

Troubleshooting Guide

No Power Troubleshooting

Flowchart for diagnosing and resolving 'No Power' issues.

No Raster Troubleshooting

Flowchart for diagnosing and resolving 'No Raster' issues.

No Raster on Component Signal Troubleshooting

Flowchart for diagnosing 'No Raster' issues specific to component signals.

No Raster on AV/TV Signal Troubleshooting

Flowchart for diagnosing 'No Raster' issues on AV and TV signals.

No Sound Troubleshooting

Flowchart for diagnosing and resolving 'No Sound' issues.

Block Diagram

Video Controller & Data Conversion

Describes the video controller unit and display data conversion process.

Power Supply Unit Description

Explains the function and output of the power supply unit.

Wiring Diagram

Wiring Part List

Lists the parts and connectors used in the wiring diagram.

Exploded View

Exploded View Parts List

Provides a list of all parts shown in the exploded view diagram.

Replacement Parts List

Schematics - Major ICs

IC1 VCT49xyF Schematic

Schematic diagram for IC1 (VCT49xyF).

IC500 TC90A65F Schematic

Schematic diagram for IC500 (TC90A65F).

IC851 M52758FP Schematic

Schematic diagram for IC851 (M52758FP).

IC901 gm5221 Schematic

Schematic diagram for IC901 (gm5221).

Schematics - Board Level Components

Audio Amplifier Schematic

Schematic diagram for the audio amplifier circuit.

Voltage Regulator & 33V Generation Circuit

Schematic for voltage regulator and 33V generation circuits.

Interface & AV Board Schematics

Schematic diagrams for the interface and AV board.

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