AOC LV20E351, Service Manual

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20" LCD TV Color Monitor LV20E351
1
Service
Service
Service
Horizontal Frequency
31.5-49kHz
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.
Table Of Contents.......……..............................…........1
Revision List.…........................................……......2
Important Safety Notice.……..................……......3
1.Specification For LCD-TV……....................………........4
1.1 General Specification…………………………….......4
1.2 LCD-TV Description..…………...............…….........5
1.3 Interface Connector.........…...........…..…...........5
2. Precautions And Notices…............…................5
2.1 Assembly Precaution...........................…............5
2.2 Operating Precaution…............……………..........5
2.3 Storage Precaution….…........………..…...............5
2.4 High Voltage Warning…………….…….…………….5
3. Input/Output Specification…………………………….6
4. Adjustments………….……..............................……….7
5. Trouble Shooting………………………………………..14
6.White-Balance, Luminance Adjustment……………….20
7.Block Diagram………..…....………..............................22
7.1 Main Board……….…...……………..………..............22
7.2 Power Board……………...….……………………..….23
8.Schematic………………..…....…..............................24
8.1 Main Board..…..……………......................................24
8.2 Power Board…….....…..……....................................37
9. Explode View…………………………………………….41
10. BOM List..…………..........………………….……......42
11.PCB Layout..…….……..........………………….…......67
11.1 Main Board.……….…………………….…… ...........67
11.2 Power Board.…..……………..………..…......….......69
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING