19” LCD Color Monitor 190V7
1
Service
Service
Service
Horizontal Frequency
30- 83KHz
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
Table Of Contents.................…...........................………….1
Revision List....................................................…………….2
Important Safety Notice………………….................................3
1. Monitor Specifications………...….................................…..4
2. LCD Monitor Description…………..……….........................5
3. Operation instructions………………...........................…....6
3.1 General Instructions……..…….………………....…………6
3.2 Control buttons……….……….……………………………6
3.3 Adjusting the Picture…….......................................…..8
3.4 Connecting to your PC …….............…….…...........….11
4. Input/Output Specification...........................………….12
4.1 Input Signal Connector................................………..12
4.2 Factory Preset Display Mode......................…….........13
4.3 Pixel Defect Policy…………………………………………14
5. Block Diagram……..……………………….…................17
5.1 Monitor Exploded View………….…….………...............17
5.2 Software Flow Chart.……………....................................18
5.3 Electrical Block Diagram.….....…............………….........20
6. Schematic Diagram…….................…..........……….........22
6.1 Main Board…………..………………………………………22
6.2 Power Board……..………………………..…………………27
7. PCB Layout.........…...……...................……………………..29
7.1 Main Board.....…….......…...............……..…………......29
7.2 Power Board......……….....................………….............32
7.3 Key Board…..….…………………………………………34
8. Wiring Diagram…………………………………………….35
9. Mechanical Instructions.......……….……………….............36
10. Trouble shooting…..…………………………...………..41
11. Repair Flow Chart……………..…………………………43
12. ISP Instructions.........................………………..............48
13. DDC Instructions......………..…......……….................54
14. White Balance, Luminance Adjustment………...…….......63
15. Spare Parts List..………………….….………….................64
16. Different Parts List………………………………………75
17. General Product Specification…………………………….76
GB 3138 106 10522
Summary of Contents for 190V7
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Page 13: ...19 LCD Color Monitor 190V7 13 4 2 Factory Preset Display Modes ...
Page 14: ...19 LCD Color Monitor 190V7 14 4 3 Pixel Defect Policy ...
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Page 17: ...19 LCD Color Monitor 190V7 17 5 Block Diagram 5 1 Monitor Exploded View ...
Page 21: ...19 LCD Color Monitor 190V7 21 5 3 2 Inverter Power Board ...
Page 29: ...19 LCD Color Monitor 190V7 29 7 PCB Layout 7 1 Main Board 715G1767 1 ...
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Page 32: ...19 LCD Color Monitor 190V7 32 7 2 Power Board 715G1813 1 ...
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Page 34: ...19 LCD Color Monitor 190V7 34 7 3 Key Board 715G1755 1 ...
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