LG 55EC940V - User Manual

Printed in KoreaP/NO : MFL68522302 (1408-REV00)
CHASSIS : ED42D
MODEL : 55EC930V 55EC930V-ZA
55EC940V 55EC940V-ZB
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
OLED TV
SERVICE MANUAL
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
Internal Use Only

Summary

Safety Precautions

General Guidance for Servicing

General safety advice for servicing the TV set.

Leakage Current Checks

Procedures for performing AC leakage current tests.

Servicing Precautions

General Servicing Precautions

Basic safety guidelines and procedures for TV servicing.

Electrostatically Sensitive Devices

Precautions for handling and preventing damage to ES devices.

General Soldering Guidelines

Specifications

Application Range & Test Requirements

Adjustment Instructions

PCBA Adjustments & Key Downloads

Procedures for PCBA adjustments, MAC address, and key downloads.

LAN Port & Wi-Fi Checks

White Balance & Remote Control Checks

Calibration for white balance and remote control functionality.

Specific Function Tests

Troubleshooting Guide

Standard Repair Process - Video Errors

Standard Repair Process - Power & Audio Errors

Standard Repair Process - Function & Noise Errors

LG 55EC940V Specifications