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22” LCD Color Monitor Adelpia TGL2240A
1
Service
Service
Service
Horizontal Frequency
30KHz – 80KHz
TABLE OF CONTENTS
Description
Page Description Page
N
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 Instruction…………...............……...........6
3.1 General Instructions...........................…...........6
3.2 Control Button…………….…..............……...............6
3.3 Adjusting the Picture...........................…............8
4. Input/Output Specification............……………............11
4.1 Input Signal Connector.................…………................11
4.2 Factory Preset Display Modes....................................13
4.3 Power supply features………………………………..…13
4.4 Panel Specification.....……………………....................14
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
7. PCB Layout..……………….......................................27
7.1 Main Board……………….........................................27
7.2 Power Board………....………...................................29
7.3 Key Board………………………………………………30
8. Maintainability………........................……...............31
8.1 Equipments and Tools Requirement………..............31
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 TGL2240A
Page 4: ...22 LCD Color Monitor Adelpia TGL2240A 4 1 Monitor Specifications ...
Page 7: ...22 LCD Color Monitor Adelpia TGL2240A 7 ...
Page 8: ...22 LCD Color Monitor Adelpia TGL2240A 8 3 3 Adjusting the Picture ...
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Page 10: ...22 LCD Color Monitor Adelpia TGL2240A 10 ...
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Page 15: ...22 LCD Color Monitor Adelpia TGL2240A 15 Optical Characteristics ...
Page 20: ...22 LCD Color Monitor Adelpia TGL2240A 20 6 Schematic 6 1 Main Board ...
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Page 24: ...22 LCD Color Monitor Adelpia TGL2240A 24 6 2 Power Board ...
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Page 27: ...22 LCD Color Monitor Adelpia TGL2240A 27 7 PCB Layout 7 1 Main Board ...
Page 28: ...22 LCD Color Monitor Adelpia TGL2240A 28 ...
Page 29: ...22 LCD Color Monitor Adelpia TGL2240A 29 7 2 Power Board ...
Page 30: ...22 LCD Color Monitor Adelpia TGL2240A 30 7 3 Key board ...
Page 40: ...22 LCD Color Monitor Adelpia TGL2240A 40 10 Monitor Exploded View ...