LG 38WN75C User Manual

P/NO :
CHASSIS :
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
SERVICE MANUAL
Copyright © 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
CONFIDENTIAL
P/NO : MFL69413822 (2004-REV00)
LED MONITOR
SERVICE MANUAL
LM61A
38WN75C 38WN75C-BK
38BN75C 38BN75C-BK

LG 38WN75C Specifications

General

Brand	LG
Model	38WN75C
Category	Monitor
Language	English

Summary

Safety Precautions

General Safety and Procedures

Covers general guidance, isolation transformer use, and AC leakage current checks for safe servicing.

Specifications

General Specifications

Details product specifications including model, chassis, features, inputs, and connectivity.

Signal Timing

Signal (Video & Sync) and H/V Timing

Details video and sync signal characteristics and H/V timing parameters for various resolutions.

HDMI Video Input Specifications

Lists supported factory preset modes for HDMI video input, including horizontal and vertical frequencies.

Troubleshooting Guide

Component Identification for Troubleshooting

Identifies key ICs, their functions, and locations for diagnosing and resolving issues.

Block Diagram

System Architecture Overview

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

Exploded View

Component Breakdown Illustration

Pictorial representation of the monitor's parts and their assembly order.

Disassembly and Assembly

Preparation and Stand Separation

Outlines necessary preparation tools and the procedure for separating the stand from the monitor.

Internal Component Access

Details steps for disconnecting internal cables and removing screws to access components.

Download and Firmware Update

Firmware Download Method (ISP)

Step-by-step guide for updating firmware using the Mstar ISP tool and connection methods.

Firmware Update via USB Storage

Instructions for updating firmware using a USB memory stick, including preparation and troubleshooting.