AOC LE24H037 User Manual

18.5″&21.5″&23.6″LCD TV AOC LE19W037&LE22(24)H037
1
Service
Service
Service
Horizontal Frequency
31~60 KHz
TABLE OF CONTENTS
Description Page Description Page
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
6.2 Power Board………………..…….…….………......34
6.3 LED Board……...…………..…….…….………......44
6.4 Key Board………………………..……..……….......45
6.5 IR Board………………………….……..……….......45
7. Adjustment……..………………………….................46
8. Block Diagram.……...............................................47
9. Schematic Diagram…..…………....………………...49
9.1 Main Board…………………………………...…......49
9.2 Power Board…………..….….……...………….......58
9.3 LED Board………….……..….……...………….......66
9.4 Key Board……………….……….…………….........68
9.5 IR Board……...………….……….…………….........69
10. Exploded View……………………………….…....70
11. BOM List……..……….………………….…………..74
Table of Contents.......……....................................….......1
Important Safety Notice.......................................…….....2
Revision List………………………………………………....3
1. General Specification..............................……...….......5
2. Operating Instructions………………...…….……….......6
2.1 The Use of Remote Control…….…..……….…….......6
2.2 To Use the Menus….....………………….…..…….......7
2.3 How to Connect……..……………….…….……….....17
2.4 Front Panel Control Knobs…….………….……….....19
3. Input/Output Specification…………....................…....20
4. Mechanical Instructions…………………….................22
5. Repair Flow Chart ……………………….…….…….....25
6. PCB Layout ………………..…………………....….......32
6.1 Main Board…………..………………...…….…….......32

AOC LE24H037 Specifications

General

Display Type	LCD
Aspect Ratio	16:9
Brightness	250 cd/m²
Response Time	5 ms
HDMI Ports	1
USB Ports	1
Viewing Angle	170° (H) / 160° (V)
VGA Port	1
Resolution	1366 x 768 pixels
Contrast Ratio	1000:1

Summary

Safety Notice

General Safety Precautions

Precautions for servicing electronic equipment with high voltages.

Important Safety Information

Service and Handling Precautions

Guidelines on using correct tools, replacement parts, and handling LCD modules.

General Specifications

Operating Instructions

Remote Control Operation

Explanation of remote control buttons and their functions.

Menu Navigation and Settings

Guide to navigating TV menus for channel tuning and system adjustments.

Connection Guide

Connecting External Devices

Instructions for connecting TV to video sources via HDMI, Component, and PC.

Input/Output Specifications

Signal Input Details

Details on RGB and HDMI signal input pin assignments and compatibility.

Repair Flow Charts

Troubleshooting Common Issues

Flowcharts for diagnosing power, image, sound, and remote control problems.

PCB Layouts

Main Board PCB Layout

Diagram showing the component placement on the main board.

Adjustment Procedures

Factory Mode and White Balance

Instructions for entering factory mode and adjusting white balance.

Schematic Diagrams

Main Board Schematic

Detailed schematic of the main board components and connections.

Exploded View

BOM List