18.5″&21.5″&24″ TV Monitor              AOC T942we&T2242we&T2442e 
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Service  
Service   
Service
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
      
 
 
 
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 
6.1 Main Board…………..……………...…….…….......36
6.2 Power Board………………..…….…….……….......40
6.3 Key Board………………………..……..……….......46
6.4 IR Board………………………….……..……….......46
7. Adjustment……..………………………….................47
8. Block Diagram.…….................................................48
9. Schematic Diagram…..…………....………………...50
9.1 Main Board…………………………………...….......50
9.2 Power Board…………..….….……...………….......70
9.3 Key Board……………….……….…………….........74
9.4 IR Board……...………….……….…………….........75
10. Exploded View………………………………….…...76
11. BOM List……………….………………….………….79
Table of Contents.......……....................................…........1
Important Safety Notice.......................................……......2
Revision List…………………………………………………3
1. General Specification..............................……...…........4  
2. Operating Instructions………………...…….……….......5
2.1 The Use of Remote Control…….…..……….…….......5
2.2 To Use the Menus….....………………….…..…….......6
2.3 How to Connect……..……………….…….……….....13
2.4 Front Panel Control Knobs…….………….……….....16
3. Input/Output Specification…………....................…....18
4. Mechanical Instructions…………………….................22
5. Repair Flow Chart ……………………….…….…….....29
6. PCB Layout ………………..…………………....….......36