Epson EMP-S3 Service Manual Page 11
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- Table of contents
- TROUBLESHOOTING
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EMP-S3
SEIKO EPSON Revision:B
Chapter 1 Product Specifications
1.1 Product Features ..................................................................................... 1-2
1.1.1 Features of the Projector...............................................................1-2
1.2 Components, Connectors and Switches.................................................. 1-4
1.2.1 External Components....................................................................1-4
1.2.2 Internal Components.....................................................................1-6
1.2.3 Remote Control ............................................................................. 1-7
1.3 Specifications........................................................................................... 1-8
1.4 Interface Specifications..........................................................................1-10
1.4.1 Computer Port............................................................................. 1-10
1.4.2 USB Interface..............................................................................1-11
1.4.3 S-Video Interface......................................................................... 1-11
1.4.4 Audio Input Interface/CVBS Input Interface ................................1-12
1.5 External Views .......................................................................................1-13
Chapter 2 Theory of Operation
2.1 Hardware Overview ................................................................................. 2-2
2.1.1 Component Connection Diagram..................................................2-3
2.1.2 Control Circuitry............................................................................. 2-4
2.2 Optical Engine.......................................................................................... 2-5
2.2.1 Lamp Assy.....................................................................................2-7
2.3 MA Board.................................................................................................2-8
2.3.1 External View of MA Board ...........................................................2-8
2.3.2 Overview of Operation...................................................................2-9
2.4 Interface Connectors..............................................................................2-10
2.5 Power Supply Ballast Unit...................................................................... 2-11
2.5.1 Power Supply Circuit Block Diagram...........................................2-11
2.5.2 Overview of Operation.................................................................2-12
2.5.3 Connector CN2000 Pin Layout....................................................2-13
2.6 RC Board Assembly............................................................................... 2-14
2.7 Speaker..................................................................................................2-15
2.8 Temperature Control..............................................................................2-16
2.8.1 Sensors and Switches.................................................................2-16
2.8.2 Fan Operation .............................................................................2-18
2.9 LED Indicators .......................................................................................2-21
Chapter 3 Troubleshooting
3.1 Before Carrying Out Troubleshooting ......................................................3-2
3.1.1 Troubleshooting Tools and Equipment..........................................3-2
3.1.2 Field Replacement Parts...............................................................3-2
3.2 Overview.................................................................................................. 3-3
3.2.1 Exterior Check...............................................................................3-4
3.2.2 Internal Cable Check..................................................................... 3-5
3.2.3 Power Supply On/Off.....................................................................3-6
3.2.4 Image Display and Quality ............................................................3-8
3.2.5 Audio Output ...............................................................................3-10
3.2.6 Control Panel...............................................................................3-11
3.2.7 Remote Control Operation ..........................................................3-12
3.2.8 Other ........................................................................................... 3-13
- Service Manual 1
- INTRODUCTION 2
- C H E C K 3
- P O I N T 3
- SAFETY INSTRUCTIONS 5
- Test items 6
- Testing procedure 7
- Testing methods 7
- ! Caution 7
- Projector AC inlet 8
- Computer IN connector 8
- SEIKO EPSON Revision:B 10
- Chapter 3 Troubleshooting 11
- Chapter 5 Appendix 12
- 1.1 Product Features 14
- 1.2.1 External Components 16
- Figure 1-4. Control Panel 17
- 1.2.2 Internal Components 18
- 1.2.3 Remote Control 19
- 1.3 Specifications 20
- 1.4 Interface Specifications 22
- 1.4.2 USB Interface 23
- 1.4.3 S-Video Interface 23
- Stereo mini pin jack 24
- 1.5 External Views 25
- 2.1 Hardware Overview 28
- 2.1.2 Control Circuitry 30
- 2.2 Optical Engine 31
- 2.2.1 Lamp Assy 33
- 2.3 MA Board 34
- 2.3.2 Overview of Operation 35
- 2.5.2 Overview of Operation 38
- Figure 2-14 39
- 2.6 RC Board Assembly 40
- Figure 2-17. Speaker 41
- 2.8 Temperature Control 42
- Figure 2-20. TH Board 43
- Figure 2-21. Safety Switch 43
- 2.8.2 Fan Operation 44
- Standby Mode 46
- When the Lamp is ON 46
- During Cool-down 46
- 2.9 LED Indicators 47
- Chapter 3 Troubleshooting 49
- 3.1.2 Field Replacement Parts 50
- 3.2 Overview 51
- 3.2.1 Exterior Check 52
- 3.2.2 Internal Cable Check 53
- 3.2.3 Power Supply On/Off 54
- 3.2.5 Audio Output 58
- 3.2.6 Control Panel 59
- 3.2.8 Other 61
- 4.1 Overview 63
- 4.1.2 Tools and Equipment 65
- Figure 4-1 67
- Air Filter Frame 71
- 4.2.7 Removing the Upper Case 72
- C A U T I O N 75
- Power Supply Unit 80
- 4.2.11 Removing the MA Plate 82
- Figure 4-27 86
- Ferrite core 86
- Chapter 5 Appendix 92
- 5.1.3 Software DIP Switches 95
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