Epson EMP-S3 Service Manual Page 65
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- Table of contents
- TROUBLESHOOTING
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EMP-S3
SEIKO EPSON Revision:B
4.1.2 Tools and Equipment
The tools and equipment in the following table will be needed. All are commercially available,
and should be made ready beforehand.
4.1.3 Projector-Specific Service Precautions
Table 4-1. Tools Needed
Name Application
Phillips screwdriver No. 0 Disassembling the Focus ring
Phillips screwdriver No. 2 (20 cm)
Disassembling the outer case and inner
components
Flathead screwdriver
Disassembling the rear foot and the
front foot
Flathead precision screwdriver Removing the front foot
Hexagonal box screwdriver (5 mm) Removing the computer interface
Brush Cleaning away dust
Vacuum cleaner Cleaning away dust
Lens cleaner Cleaning the projection lens
Air blower Cleaning the light valves and fans
Gloves Protection against sharp edges
Antislip and static protection
Grounding strap Anti-static protection
Heat-resistant tape Securing cables
C H E C K
P O I N T
The Optical Engine and Main (MA) Board are paired together as a single service
part. Neither is available separately. For service that requires the replacement of
either the MA Board or the Optical Engine, both components must be replaced
together.
The component parts of the Optical Engine require mechanical installation
positions to be adjusted in relation to each other. In addition, the control circuit
also has its own unique characteristics, such as display signal output drivers, that
differ from projector to projector. There are also unique differences in each
optical system mechanism, such as in the light valves.
In order to obtain the optimum display, it is necessary to eliminate these
differences in electrical and mechanical characteristics as well as to make
mechanical adjustments. The various correction values are set at the time of
shipment from the factory and are stored in ROM on the MA Board.
Always replace the Optical Engine and MA Board together as a matched pair.
Do not disassemble the Optical Engine.
Do not replace the component parts of the Optical Engine with parts from
other Optical Engines.
- 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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