LG 27BK67U User Manual

P/NO :
CHASSIS :
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
SERVICE MANUAL
Copyright © 2018 LG Electronics Inc. All rights reserved. Only training and service purposes.
CONFIDENTIAL
P/NO : MFL70211506 (1807-REV00)
LED MONITOR
SERVICE MANUAL
LM8BA
27BK67U

LG 27BK67U Specifications

General

Brand	LG
Model	27BK67U
Category	Monitor
Language	English

Summary

Safety Precautions

General Guidance

General advice for safe servicing and handling of electronic components and equipment.

Leakage Current Cold Check

Procedure for checking AC leakage current with the instrument unplugged from the source.

Leakage Current Hot Check

Procedure for checking AC leakage current with the instrument connected to the source.

Specifications

Adjustment Instruction

Main PCB Check Process (SMT)

Details the procedures for checking the main PCB after SMT assembly.

Total Assembly Line Process

EDID Serial Number Write

Describes the process of writing EDID serial numbers during assembly.

Factory Calibration

Outlines the steps for factory calibration, including Gamma and Color Temperature.

Signal Composition for Adjustment

EEPROM Data Management

Troubleshooting Guide

No Power Issues

Provides a flowchart for diagnosing and resolving no power problems.

No Screen Issues

Provides a flowchart for diagnosing and resolving no screen display issues.

No Video via HDMI

Provides a flowchart for diagnosing and resolving no video issues when using HDMI.

No Video via DisplayPort

Provides a flowchart for diagnosing and resolving no video issues when using DisplayPort.