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LG 42PG6000 User Manual

LG 42PG6000
34 pages
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PLASMA TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : PD81A
MODEL : 42PG6000 42PG6000-ZA
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
Internal Use Only
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LG 42PG6000 Specifications

General IconGeneral
Depth680.6 mm
Height79.6 mm
Weight25000 g
EqualizerYes
CertificationRoHS, UL
Product colorBlack
RMS rated power20 W
Display diagonal42 \
Depth (with stand)735.4 mm
Display brightness1500 cd/m²
Display resolution1024 x 768 pixels
Display technologyPlasma
Power requirements100-240V, 50 - 60 Hz
Width (with stand)1044 mm
HDMI ports quantity4
Height (with stand)308 mm
Weight (with stand)27800 g
SCART ports quantity2
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.
Viewable size diagonal1070 mm
S-Video inputs quantity1
Contrast ratio (typical)-
Display viewable area (HxV)922 x 520 mm

Summary

Safety Precautions

Important Safety Notices

Critical warnings and essential safety parts replacement guidelines.

General Safety Guidance

Advice on isolation transformers, fuse replacement, and handling high-voltage parts.

Leakage Current Checks

Procedures for performing hot and cold leakage current tests.

Product Specifications

Application Range and Markets

Defines the TV models and geographical markets covered by the specifications.

General and Environmental Specs

Details operating conditions, input voltage, and general TV characteristics.

Test Methodologies

Outlines the methods used for performance, safety, and EMC testing.

Module Specifications

Broadcasting Systems and Input/Output Ports

Covers broadcasting systems, Tuner, Scart, Video, S-Video, Component, RGB, HDMI, Audio, SPDIF, and USB interfaces.

Adjustment Instructions

Application Object and Notes

Defines the scope of adjustments and provides essential notes for service technicians.

Software and Model Name Download

Details procedures for S/W auto download and manual model name download via USB.

Auto-control Adjustment Process

Explains the automated adjustment sequence using RS-232C communication.

Manual Adjustment Procedures

Manual ADC and EDID Adjustment

Guides on performing manual Analog-to-Digital Converter adjustments and EDID data management.

PCMCIA Card Verification

Describes the method for checking PCMCIA card functionality.

Power Board Adjustments

Va and Vs Voltage Adjustments

Step-by-step guide for adjusting Va and Vs voltages on the power board.

White Balance Adjustment Setup

Details required equipment and color temperature standards for white balance calibration.

Calibration and Configuration

White Balance Measurement and Control

Explains the connection for auto white balance measurement and control procedures.

White Balance Adjustment Parameters

Details the adjustment map and parameters for white balance control (R Gain, G Gain, B Gain).

Shipping Data and Set Information

Covers inputting shipping option data and checking set information like serial number.

Factory Settings and Firmware Updates

Factory Factoring Condition Settings

Describes the procedure for setting factory shipment mode using the remote controller.

Flash Memory Download Procedure

Outlines the steps for downloading firmware files using the 'LG Term' software.

Troubleshooting: Power Board

Power Board Fault Flowchart

A comprehensive flowchart for diagnosing power board related issues based on voltage output states.

Power Board Details

Pin Layout and Specifications

Illustrates the pin layout and specifies the connections for AC inlet, PDP module, and VSC board.

Troubleshooting: No Power

Symptom and Power Check Procedure

Identifies symptoms of no power and guides through checking power cord, AC inlet, fuses, and cables.

Troubleshooting: Protect Mode

Symptom and Protect Mode Checks

Describes symptoms of protect mode and outlines checks for power board, connectors, fuses, and board outputs.

Troubleshooting: No Raster

Symptom and Raster Display Checks

Details symptoms of no raster and guides through checking module discharge, VAVS, LVDS cable, and VSC board.

Troubleshooting: Display Issues

OSD Display Problems

Addresses issues where the On-Screen Display (OSD) is not shown, checking LVDS cable, VSC board, and Ctrl board.

Input Signal Display Problems

Guides on diagnosing display problems for RF, S-Video, AV, Component, RGB, HDMI, and SCART inputs.

Troubleshooting: Audio Issues

No Sound Symptom and Checks

Identifies symptoms of no sound and guides checks for speaker settings, cables, tuner, and audio amplifier IC.

System Block Diagrams

Main System Architecture

Overview of the main functional blocks and signal flow within the TV system.

Interface Signal Paths

Details SCART, Component, RGB, HDMI, and other interface signal connections.

Front-End, Audio, and Control Interfaces

Depicts block diagrams for Tuner, PCMCIA, Audio, USB, and control signal interfaces.

System Control and Power Diagrams

Illustrates reset control, I2C communication, and power voltage distribution across system components.

Exploded View and Parts

Parts Identification

Provides a visual exploded view of the TV assembly with part numbers and a critical safety notice.

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