24" LCD Color Monitor HP LP2475w
1
Service
Service
Service
Horizontal Frequency
30- 94 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.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
Table Of Contents.......…..............................…........1
Revision List.…..................................……......2
1. Monitor Specification............................………........3
2. LCD Monitor Description……………………….......4
3. Operation Instruction…………..............……...........5
3.1.General Instructions.........................…...........5
3.2. Control Button…………….….........……...............5
3.3 Adjusting the Picture...........................…............6
4. Input/Output Specification......……………...........11
4.1. Input Signal Connector............………................11
4.2. Factory Preset Display Modes......…..................14
4.3. Power Supply Requirements..............................15
5. Panel Specification.....………………..................16
5.1.General Feature…..........................................16
5.2. Optical Characteristics…………………………17
6. Block Diagram……...................………................18
6.1 Software Flow Chart…………….………………...18
6.2. Electrical Block Diagram……………..….......20
7. Schematic……………......................................22
7.1 Main Board..……….......................................22
7.2 Power Board.…….……....................................31
7.3 Key Board.……..……....................................33
8.PCB Layout…...…….......................................34
8.1.Main Board………........................................34
8.2.Power Board……….........................................35
8.3.Key Board………............….......................35
8.4.USB Board………............….......................36
9. Maintainability……….......................................37
9.1.Equipments and Tools Requirement..............37
9.2.Trouble Shooting………..............................38
10.White-Balance, Luminance adjustment...44
11.Mechanical Instructions………….…...….......46
12.Monitor Exploded View…….…………....….......51
13.BOM List……………….…………………………53
14. Different Parts List……………………………....84
Summary of Contents for LP2475w - 24" LCD Monitor
Page 3: ...24 LCD Color Monitor HP LP2475w 3 1 Monitor Specification ...
Page 7: ...24 LCD Color Monitor HP LP2475w 7 ...
Page 8: ...24 LCD Color Monitor HP LP2475w 8 ...
Page 9: ...24 LCD Color Monitor HP LP2475w 9 ...
Page 10: ...24 LCD Color Monitor HP LP2475w 10 ...
Page 14: ...24 LCD Color Monitor HP LP2475w 14 4 2 Factory Preset Display Modes ...
Page 34: ...24 LCD Color Monitor HP LP2475w 34 8 PCB Layout 8 1 Main Board ...
Page 35: ...24 LCD Color Monitor HP LP2475w 35 8 2 Power Board 8 3Key Board ...
Page 36: ...24 LCD Color Monitor HP LP2475w 36 8 4 USB Board ...
Page 50: ...24 LCD Color Monitor HP LP2475w 50 The panel The end ...