LG PT-43 User Manual

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SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : MP-00DA
MODEL : PT-43/48/53A80
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

LG PT-43 Specifications

General

Brand	LG
Model	PT-43
Category	TV
Language	English

Summary

Safety Precautions

Important Safety Notice

Key safety advice and warnings for servicing the chassis.

General Guidance for Servicing

General advice on using isolation transformers and handling components.

X-RAY Radiation Warning

Information on X-RAY sources and protection measures.

Servicing Precautions

General Servicing Precautions

General guidelines for safe and proper servicing practices.

Electrostatically Sensitive (ES) Devices

Precautions for handling sensitive electronic components.

General Soldering Guidelines

Component Replacement Procedures

Detailed steps for replacing various components like ICs, transistors, and diodes.

Specifications

Adjustment Instructions

Raster Slant and Focus Adjustment

Magnet Adjustments

Beam Alignment Adjustment

High Voltage Regulation Adjustment

CUT-OFF Adjustment

Deflection Adjustments

Detailed adjustments for screen deflection parameters.

Lens Focus and Electronic Focus Adjustment

Convergence Adjustment

Procedures for adjusting screen convergence.

Pattern Position and Convergence Adjustments

White Balance and Sub-Bright Adjustment

Troubleshooting

No Picture (Sound OK)

Troubleshooting steps for no picture when sound is present.

No Sound (Picture OK)

Troubleshooting steps for no sound when picture is present.

No PIP (Picture-In-Picture)

Troubleshooting for issues with the PIP function.

No Teletext (Picture OK)

No OSD (On Screen Display)

No Power On

Troubleshooting steps for the TV not powering on.

No VFD Operation

No Raster

Troubleshooting steps when no image raster is displayed.

Incorrect Convergence