2024年3月16日发(作者：伍盼香)
19” LCD Color Monitor
Service
Service
Service
190B7
Horizontal Frequency
30- 83KHz
TABLE OF CONTENTS
Description Page Description Page
Table …......................................………….1
6.1 Main Board…….…………………….……………………………21
…………….2
6.2 Power Board…………………………………..…………………26
Important Safety Notice……………….................................3
6.3 Audio Board…….…………………………..…………………28
1. Monitor Specifications……….....................................…..4
7. ……...............................……………………..29
2. LCD Monitor Description………..………..........................5
7.1 ……................................……..…………......29
3. Operation instructions……………...........................…....6
7.2 Power Board.…….........................…..…………….............32
3.1General Instructions………………………..…..…………6
7.3 Audio Board………..…………………………..…………………35
3.2 Control buttons…………..……………………………………6
7.4 Key Board………...………………………………………………35
3.3 Adjusting the Picture…….......................................…..7
7.5 USB Board…….………………………………………………35
3.4 Connecting to the PC …….............…….…...........……....11
8. Wiring Diagram……………………………………………….…..36.
4. Input/…………….12
4.1 Input …………..12
4.2 Factory Preset ……..........13
4.3 Pixel Defect Policy………………………………..…………14
5. Block Diagram……………………………….……................16
5.1 Monitor Exploded View……………….…………...............16
5.2 Software ………….....17
5.3 Electrical ……………….........19
6. Schematic Diagram…….................................……….........21
SAFETY NOTICE
9. …….............……………..…..........37
e shooting…..…………………………………...……..45
11. Repair Flow Chart…….…….……………………………………47
12. ISP Instructions..…..........................………………..............52
13. DDC Instructions……......…….............………….................58
14. White Balance, Luminance Adjustment……….................67
15. Spare ……..................……………........................68
16. General Product Specification………………………………….81
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
GB
1
3138 106 10506
19” LCD Color Monitor
Revision List
Version
A00
Release Date
April.10, 2006
Revision History
Initial release, Draft Version
2
2024年3月16日发(作者：伍盼香)
19” LCD Color Monitor
Service
Service
Service
190B7
Horizontal Frequency
30- 83KHz
TABLE OF CONTENTS
Description Page Description Page
Table …......................................………….1
6.1 Main Board…….…………………….……………………………21
…………….2
6.2 Power Board…………………………………..…………………26
Important Safety Notice……………….................................3
6.3 Audio Board…….…………………………..…………………28
1. Monitor Specifications……….....................................…..4
7. ……...............................……………………..29
2. LCD Monitor Description………..………..........................5
7.1 ……................................……..…………......29
3. Operation instructions……………...........................…....6
7.2 Power Board.…….........................…..…………….............32
3.1General Instructions………………………..…..…………6
7.3 Audio Board………..…………………………..…………………35
3.2 Control buttons…………..……………………………………6
7.4 Key Board………...………………………………………………35
3.3 Adjusting the Picture…….......................................…..7
7.5 USB Board…….………………………………………………35
3.4 Connecting to the PC …….............…….…...........……....11
8. Wiring Diagram……………………………………………….…..36.
4. Input/…………….12
4.1 Input …………..12
4.2 Factory Preset ……..........13
4.3 Pixel Defect Policy………………………………..…………14
5. Block Diagram……………………………….……................16
5.1 Monitor Exploded View……………….…………...............16
5.2 Software ………….....17
5.3 Electrical ……………….........19
6. Schematic Diagram…….................................……….........21
SAFETY NOTICE
9. …….............……………..…..........37
e shooting…..…………………………………...……..45
11. Repair Flow Chart…….…….……………………………………47
12. ISP Instructions..…..........................………………..............52
13. DDC Instructions……......…….............………….................58
14. White Balance, Luminance Adjustment……….................67
15. Spare ……..................……………........................68
16. General Product Specification………………………………….81
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
GB
1
3138 106 10506
19” LCD Color Monitor
Revision List
Version
A00
Release Date
April.10, 2006
Revision History
Initial release, Draft Version
2