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LG 42PC55 User Manual

LG 42PC55
54 pages
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PLASMA TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : PD73A
MODEL : 42PC55 42PC55-ZB
website:http://biz.LGservice.com
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LG 42PC55 Specifications

General IconGeneral
Depth83.5 mm
Height713 mm
Weight24600 g
Comb filter3D
Pixel pitch- mm
Audio systemSurround Max
Package depth386 mm
Package width1120 mm
Product colorBlack
Package height875 mm
Noise reductionYes
RMS rated power20 W
Display diagonal42 \
Depth (with stand)310 mm
Display brightness1500 cd/m²
Display resolution1024 x 768 pixels
Display technologyPlasma
Number of speakers2
Width (with stand)1048 mm
Height (with stand)766 mm
Weight (with stand)28000 g
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Contrast ratio (typical)-
Annual energy consumption- kWh
Analog signal format systemPAL, SECAM
Power consumption (standby)1 W
Power consumption (typical)310 W

Summary

Safety Precautions

General Guidance

General recommendations for safe servicing procedures, including transformer usage and wire placement.

Leakage Current Checks

Procedures for measuring hot and cold AC leakage currents to ensure safety.

Specifications

Application Range and Test Methods

Defines application range and outlines product test methods for specifications.

Product and Module Specifications

Lists product specifications, test conditions, and details of the XGA module.

Adjustment Instructions

Adjustment Scope and Notes

Outlines the object of adjustment and important notes for the process.

Specific Adjustment Procedures

Details methods for channel memory, PCMCIA, and power PCB voltage adjustments.

EDID/DDC Data Download

Test Equipment and Setup

Lists required equipment and device connection for EDID download.

EDID Download Sequence

Covers preparation steps and the sequence for EDID download.

White Balance Adjustment

Requirements, Equipment, and Setup

Lists requirements, equipment, and connection diagram for white balance.

Manual White Balance Procedure

Details the manual white balance adjustment process and control guidelines.

Software Installation and Download

LGIDS Software Installation

Steps for installing LGIDS software for data download.

CORTEZ Download Procedure

Instructions for downloading CORTEZ data using LGIDS and GProbe.

Troubleshooting Guide

Power Board Troubleshooting

Flowchart to diagnose issues related to the Power Board's voltage output.

No Power Troubleshooting

Symptoms and Checks

Identifies no power symptoms and outlines the checking procedure.

Protect Mode Troubleshooting

Symptoms and Board Checks

Describes protect mode symptoms and checks for various boards.

No Sound Troubleshooting

Symptoms and Speaker/Cable Checks

Identifies no sound symptoms and checks speakers, cables, and CXA2069.

Block Diagram

System Overview

Provides a visual overview of the TV's internal component connections.

Exploded View Parts List

Part Numbers and Descriptions

Lists part numbers, descriptions, and safety critical components.

Component Replacement Parts List

Capacitors

Lists replacement part numbers for capacitors.

Resistor Replacement Parts List

Resistor Listings

Lists replacement part numbers for resistors.

Accessories

Accessory List

Lists included accessories such as manuals, remote controls, and power cords.

Schematics

Input/Output Interface Schematics

Circuit diagrams for HDMI, SCART, and AV interfaces.

Functional Block Schematics

Circuit diagrams for Tuner, Power, Option, and Fan blocks.

Printed Circuit Board Layouts

Main and Control Board Layouts

Visual representation of the Main (Top/Bottom) and Control board layouts.

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