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LG 42PX3RVA Service Manual

LG 42PX3RVA
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PLASMA TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : MF-056C
MODEL : 42PX3RVA
42PX3RVA-ZC
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html
PR
VOL
MENUTV/AV OK
All manuals and user guides at all-guides.com
all-guides.com

Questions and Answers:

LG 42PX3RVA Specifications

General IconGeneral
I/O portsS-video RGB In Component (480i/480p/576i/576p/720p/1080i) 3 SCART
Comb filter3D
Aspect ratio16:9
Audio systemSRS/BEE
Product colorSilver
Display diagonal42 \
Display brightness1500 cd/m²
Display resolution852 x 480 pixels
Display technologyPlasma
Contrast ratio (typical)-
Viewing angle, horizontal160 °

Summary

LG Plasma TV Service Manual

Safety Precautions and Warnings

Important Safety Notices

Essential safety-related characteristics and precautions for servicing.

General Servicing Guidance

Guidelines for using isolation transformers, handling parts, and wiring.

Leakage Current Testing

Procedures for hot and cold checks to prevent shock hazards.

Controls, Specifications, and Accessories

Remote Control and Panel Functions

Explains remote control buttons, front and back panel controls.

Technical Specifications

Resolution, frequency, model, and general specifications.

Included Accessories

Lists items included with the TV, like manuals and mounting hardware.

Service Adjustment Procedures

Adjustment Scope and Setup

Outlines the scope, conditions, and software setup for adjustments.

Power and Data Adjustments

Procedures for power board voltage, EDID, and DDC data adjustments.

Color and White Balance Calibration

Steps for calibrating auto AV color balance and white balance.

Default Value Settings

Default hex values for auto color and white balance modes.

Troubleshooting Common Issues

Power and Protect Mode Issues

Flowcharts for power board, no power, and protect mode problems.

Display and Raster Problems

Diagnostic steps for no raster, strange screen displays, and OSD issues.

Audio Output Problems

Troubleshooting guide for diagnosing and resolving "no sound" issues.

System Diagrams and Parts Lists

Block Diagram and Schematics

High-level block diagram and detailed circuit schematics.

Exploded View and Parts

Visual exploded view and detailed parts lists for replacement.

Printed Circuit Board Layouts

PCB Component Placement

Visual guides showing component placement on main and side A/V boards.

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