EasyManua.ls Logo

LG 27BK4 series User Manual

LG 27BK4 series
26 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
Internal Use Only
CHASSIS : LM 8AA
MODEL :27BK4 SERIES
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
SERVICE MANUAL
LED MONITOR
SERVICE MANUAL
P/NO : MFL69406845(1806-REV01)
Question and Answer IconNeed help?

Do you have a question about the LG 27BK4 series and is the answer not in the manual?

LG 27BK4 series Specifications

General IconGeneral
Screen Size27 inches
Panel TypeIPS
Resolution1920 x 1080 (Full HD)
Aspect Ratio16:9
VESA Mount CompatibleYes (100 x 100 mm)
VESA Mount100 x 100 mm
Response Time5ms (GTG)
Brightness250 cd/m²
ConnectivityHDMI, D-Sub
Contrast Ratio1000:1
Viewing Angle178° (H) / 178° (V)

Summary

Safety Precautions

Important Safety Notice

Essential safety guidelines and warnings for service personnel.

General Service Guidance

General advice on using isolation transformers and handling components safely.

AC Leakage Current Checks

Procedures for performing cold and hot AC leakage current checks.

General Specifications

Product Identification

Details Brand, Model Name, Sale Region, and Chassis Name.

Feature Specifications

Covers monitor features, external controls, and functions.

Cable and Power Accessories

Details specifications for HDMI/D-sub cables and power adapters.

Module Part Numbers

Lists specific module part numbers for various model configurations.

Signal Timing and Input

Video and Sync Timing Parameters

Provides detailed timing specifications for video and sync signals.

H/V Timing Details

Details the Horizontal and Vertical timing parameters for recommended modes.

HDMI Video Input Support

Lists supported video input modes and frequencies for HDMI.

Service Tools and Procedures

Monitor JIGs Overview

Information on Novatek and LG Monitor JIGs for testing purposes.

JIG Connection Guide

Instructions on connecting the monitor JIGs for testing.

EasyWriter Software Installation

Steps for installing the EasyWriter software for firmware updates.

ISP Programming Configuration

Guide to setting up and configuring the ISP tool within EasyWriter.

Firmware Download Process

Detailed steps for loading and programming firmware using EasyWriter.

System Diagrams and Disassembly

Block Diagram

Visual representation of the monitor's internal components and their interconnections.

Exploded View

Diagram showing the physical breakdown of monitor components with part numbers.

Monitor Disassembly Steps

Step-by-step instructions for disassembling the monitor.

Troubleshooting Guide

No Power Issues

Flowchart for diagnosing and resolving power-related issues.

No Screen On Issues

Flowchart for troubleshooting scenarios where the screen does not turn on.

No Video Issues

Flowchart for diagnosing and fixing problems related to video signal display.

Related product manuals