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LG 42PT250-TA User Manual

LG 42PT250-TA
36 pages
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PLASMA TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : PA11K
MODEL : 42PT250 42PT250-TA
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
Internal Use Only
Printed in Korea
P/NO : MFL67121901 (1102-REV00)
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LG 42PT250-TA Specifications

General IconGeneral
Screen Size42 inches
Display TypePlasma
Resolution1024 x 768
Aspect Ratio16:9
Contrast Ratio3, 000, 000:1
Refresh Rate600Hz
HDMI Ports3
Brightness1500 cd/m²
InputsHDMI, Component, Composite
Weight18.6 kg (without stand), 20.7 kg (with stand)
Sound Output20W (10W x 2)

Summary

Safety Precautions

General Safety Guidance

Provides general safety guidelines and precautions for servicing.

Leakage Current Hot Check Procedure

Details the procedure and limits for checking leakage current when the unit is powered.

Leakage Current Cold Check Procedure

Explains the procedure for checking leakage current with the unit unpowered.

Specification

Product Application Range

Specifies the markets and regions where this PDP TV model is applied.

Product Specification Details

Outlines testing conditions, specifications, and test methods for the TV.

Model General Specifications

Lists general specifications related to market, broadcasting, and receiving systems.

Adjustment Instruction

Adjustment Application and Specifications

Defines the scope and conditions for TV adjustment procedures.

Main PCB Check and Boot File Download

Details the process for checking the main PCB and downloading boot files.

USB Software Download Procedure

Guides through downloading software updates via USB.

Analog-to-Digital Converter (ADC) Process

Describes the steps for performing ADC adjustments.

Function Check Procedures

Details checks for display, sound, and other functional aspects.

Total Assembly Line Processes

Covers voltage adjustments and preparation steps for assembly.

DPM Operation Confirmation

Details how to confirm Dynamic Power Management operation.

EDID Data Management and Download

Covers EDID writing, data formats, and auto-download procedures.

Manual Download Procedures

Explains manual download methods for EDID and firmware.

Eye-Q Operation Check

Describes the procedure to check the EYE-Q operation.

Ping Test and 3D Function Test

Covers network testing and 3D display functionality checks.

Model Name and Serial Number Download

Details the process for downloading model name and serial number.

Signal Table and Commands

Provides signal table, command sets, and CI+ key download procedures.

Software Download Guide

Instructions for downloading software via USB and checking updates.

System Block Diagram

Exploded View of TV Components

Picture Problem: Voltage Check and Adjustment

Picture Problem: Fuse Checking Method

Picture Problem: Y-Sus Board Checking Method

Picture Problem: Z-Sus Board Checking Method

Picture Problem: Control Board Checking Method

Picture Problem: Mal-discharge Symptom Diagnosis

Picture Problem: PDP Module ROM Version Check

Picture Problem: Y Drive Board Checking Method

Picture Problem: X-Board Checking Method (Partial Display)

Picture Problem: Defect Causes from PDP Module

Picture Problem: PDP Module Connector Types and Checks

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