19” LCD Color Monitor 190S7
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……..……………………….…................16
5.1 Monitor Exploded View………….…….………...............16
5.2 Software Flow Chart.……………....................................17
5.3 Electrical Block Diagram.….....…............………….........19
6. Schematic Diagram…….................…..........……….........21
6.1 Main Board…………..………………………………………21
6.2 Power Board……..………………………..…………………26
7. PCB Layout.........…...……...................……………………..28
7.1 Main Board.....…….......…...............……..…………......28
7.2 Power Board......……….....................………….............31
7.3 Key Board…..….…………………………………………33
8. Wiring Diagram…………………………………………….34
9. Mechanical Instructions.......……….……………….............35
10. Trouble shooting…..…………………………...………..40
11. Repair Flow Chart……………..…………………………42
12. ISP Instructions.........................………………..............47
13. DDC Instructions......………..…......……….................53
14. White Balance, Luminance Adjustment………...…….......63
15. Spare Parts List..………………….….………….................64
16. Different Parts List………………..…..…………………….72
17. General Product Specification…………………………….77
GB 3138 106 10520
Summary of Contents for 190S7
Page 7: ...19 LCD Color Monitor 190S7 7 Back View ...
Page 9: ...19 LCD Color Monitor 190S7 9 ...
Page 10: ...19 LCD Color Monitor 190S7 10 ...
Page 13: ...19 LCD Color Monitor 190S7 13 4 2 Factory Preset Display Modes ...
Page 14: ...19 LCD Color Monitor 190S7 14 4 3 Pixel Defect Policy ...
Page 15: ...19 LCD Color Monitor 190S7 15 ...
Page 16: ...19 LCD Color Monitor 190S7 16 5 Block Diagram 5 1 Monitor Exploded View ...
Page 20: ...19 LCD Color Monitor 190S7 20 5 3 2 Inverter Power Board ...
Page 28: ...19 LCD Color Monitor 190S7 28 7 PCB Layout 7 1 Main Board 715G1767 F ...
Page 29: ...19 LCD Color Monitor 190S7 29 ...
Page 30: ...19 LCD Color Monitor 190S7 30 ...
Page 31: ...19 LCD Color Monitor 190S7 31 7 2 Power Board 715G1813 1 ...
Page 32: ...19 LCD Color Monitor 190S7 32 ...
Page 33: ...19 LCD Color Monitor 190S7 33 7 3 Key Board 715G1755 1 ...
Page 39: ...19 LCD Color Monitor 190S7 39 Fig 13 Fig 14 ...
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Page 52: ...19 LCD Color Monitor 190S7 52 e Until appears the follow Fig writer completed ...
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Page 57: ...19 LCD Color Monitor 190S7 57 14 codes for example ...
Page 58: ...19 LCD Color Monitor 190S7 58 d Unit appears the following Fig writer completed ...