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LG rz-32lz55 User Manual

LG rz-32lz55
37 pages
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LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : ML-041A
MODEL : RZ-32LZ55
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html
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LG rz-32lz55 Specifications

General IconGeneral
Screen Size32 inches
Display TechnologyLCD
Resolution1366 x 768
Aspect Ratio16:9
Refresh Rate60 Hz
Sound Output10W x 2
InputsHDMI, Component, Composite, RF

Summary

Safety Precautions

Important Safety Notice

Critical safety warnings and notices for servicing the equipment.

General Guidance

Essential guidelines for safe operation and handling during service.

Leakage Current Checks

Procedures for checking AC leakage current (cold and hot).

Servicing Precautions

General Servicing Precautions

Standard precautions and procedures for servicing the TV receiver.

Electrostatically Sensitive Devices (ES)

Handling guidelines to prevent damage to sensitive electronic components.

Soldering Guidelines

Best practices and techniques for soldering electronic components.

Component Handling and Repair

IC Removal and Replacement

Step-by-step guide for removing and installing integrated circuits.

Circuit Board Foil Repair

Techniques for repairing damaged copper patterns on circuit boards.

Specifications

General TV Specifications

Overall technical specifications and features of the LCD TV.

Panel and Frequency Range

Specifications for the panel, frequency range, and control functions.

Optical Features and Functions

Specifications for the LCD module and general TV features.

Input Mode Specifications

Details on supported component and PC video input formats and resolutions.

Adjustment Instructions

Adjustment Details and Preparation

Procedures and parameters for adjusting TV settings and equipment setup.

PC Signal Adjustment

Steps for calibrating PC input signal gain and offset.

Video Signal Adjustment

Procedures for calibrating video input signal gain and offset.

EDID Setting

Instructions for setting Extended Display Identification Data.

Shipping Conditions and Options

Shipping Conditions

Default settings and conditions for the TV upon shipping.

Option Data Setting (PAL)

Configuration options for PAL signal settings and language.

Service Remote Control

SVC REMOCON Functions

Description of keys and functions of the service remote control.

Troubleshooting

No Power Troubleshooting

Diagnostic steps for issues related to the TV not powering on.

No Raster Troubleshooting

Troubleshooting flowchart for when no picture is displayed.

No Sound Troubleshooting

Steps to diagnose and resolve audio issues with the TV.

System Diagrams

Block Diagram

System architecture overview showing interconnections of major components.

Block Diagram Description

Explanation of the functions and data flow within the TV's circuitry.

Wiring Diagram

Diagram illustrating the physical connections between internal modules and components.

Parts Information

Exploded View

Visual representation of the TV's parts disassembled for service.

Exploded View Parts List

List of all parts shown in the exploded view with their descriptions.

Replacement Parts List

Comprehensive catalog of parts available for replacement and their specifications.

Schematics

Main Schematics

Detailed circuit diagrams for the main board and related modules.

Side AV and Local Key Schematics

Circuit diagrams for audio, video inputs, and control interface.

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