LCD Color Monitor ENVISION P851
1
Service
Service
Service
Horizontal Frequency
30-80 kHz
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. Monitor Specification..............................…………........4
2. LCD Monitor Description…………………………….......5
3. Operation Instructions....................................…...........6
3.1. General Instructions...........................…....................6
3.2. Control Button…………………………….…...............6
3.3 Adjusting the Picture...........................…..............7
4. Input/Output Specification............……………............11
4.1. Input Signal Connector............………….................11
4.2. Factory Preset Display Modes......…..................12
4.3. Panel Specification.....………………..................13
5. Block Diagram….........................................................16
5.1 Software Flow Chart………………………….……….16
5.2.Electrical Block Diagram…………………….......18
6. Schematic……………..............................................20
6.1 Main Board....……….............................................20
6.2 Power Board………………………………………....24
6.3 Key Board…………………...….……………………26
7. PCB Layout..………….............................................27
7.1. Main Board………................................................27
7.2. Power Board….....................................................28
7.3. Key Board….........................................................29
8. Maintainability………...............................................30
8.1.Equipments and Tools Requirement......................30
8.2.Trouble Shooting………........................................32
9. White-Balance, Luminance adjustment………..…...38
10. Monitor Exploded View…………………….…........40
11. BOM List…............................................................41
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
Summary of Contents for ENVISION P851
Page 15: ...LCD Color Monitor ENVISION P851 15 2 Backlight ...
Page 27: ...LCD Color Monitor ENVISION P851 27 7 PCB Layout 7 1 Main Board ...
Page 28: ...LCD Color Monitor ENVISION P851 28 7 2 Power Board ...
Page 29: ...LCD Color Monitor ENVISION P851 29 7 3 Key Board ...
Page 40: ...LCD Color Monitor ENVISION P851 40 10 Monitor Exploded View ...