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EPSON ELP-3500 Service Manual
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3.2.11 Removing the Power Supply Unit
Prerequisite: Complete the steps explained in sections 3.2.1 and 3.2.4.
Screws
Power Supply Cables
Figure 3-20.
1. Remove 2 lamp power supply cables connected with the lamp’s inner housing unit
screws.
Screws: +M3x8 F/Zn: P-Tight P/N 1021824
Mounting torque: 6.0 kg cm = 5.2 lb inch
2. Disconnect the cables (blue/white) from the safety switch.
3. Remove 4 mounting screws from the power supply unit.
Screws: +M3x8 F/Zn: P/N 1021824
Mounting torque: 6.0 kg cm = 5.2 lb inch
4. Remove the ground cable mounting screw.
Screw: +M4x6 F/Ni: P/N 1033025
Mounting torque: 6.0 kg cm = 5.2 lb inch
5. Pull the power supply unit straight up with the inlet cover.
Caution:
When removing the power supply unit, take care not to bend or damage the bosses on
the lower case unit. When installing the power supply unit, align the power supply unit by
positioning holes with these bosses. The intake fan and its peripheral parts in the power
supply unit are susceptible to dust and dirt. When installing the power supply unit, check
the fan's cleanness and clean it if necessary.
- ELP-3500 1
- INTRODUCTION 3
- PRECAUTIONS 4
- REQUIREMENTS FOR SERVICERS 5
- Contents 6
- Chapter 4 Troubleshooting 7
- Chapter 5 Adjustments 7
- Appendix 7
- 1.1 PRODUCT FEATURES 8
- 1.2 PARTS OF THE PROJECTOR 9
- Figure 1-4 10
- Figure 1-5 10
- Figure 1-6 10
- Figure 1-7 11
- Figure 1-8 11
- Figure 1-9 12
- Figure 1-10 13
- Figure 1-11 13
- 1.3 CONNECTION 14
- 1.3.2 Macintosh 15
- 1.4 MAIN COMPONENTS 16
- Driver Board 17
- Figure 1-18 17
- Interface Unit 17
- Figure 1-19 17
- Power Supply Unit 18
- Figure 1-20 18
- Light Guide Block 18
- Figure 1-21 18
- Optical Head Unit 19
- Figure 1-22 19
- Projector Lens Unit 19
- Figure 1-23 19
- Lamp Inner Housing 20
- Figure 1-24 20
- Control Panel 20
- Figure 1-25 20
- 1.5 SPECIFICATIONS 21
- 1.6 INTERFACE SPECIFICATIONS 22
- Mouse Emulation Function 24
- 1.6.3 Computer Audio Input 25
- 1.6.4 Video Interface Board 26
- 1.6.5 I/O Terminal Layout 28
- 2.1 HARDWARE 30
- Figure 2-2 31
- Table 2-1 31
- Figure 2-3 32
- Table 2-2 32
- 2.2 POWER SUPPLY UNIT 33
- Functional Outline 34
- 2.3 MAIN BOARD 35
- Main Board Circuit Block 37
- 2.4 DRIVER BOARD 40
- Figure 2-11 41
- 2.5 INTERFACE BOARD UNIT 42
- 2.6 CONTROL PANEL 44
- 2.7 RECEPTOR BOARD 44
- 2.8 SPEAKER UNIT 45
- 2.9 LIGHT GUIDE BLOCK 46
- 2.10.1 R/G/B LIGHT VALVES 48
- 2.10.2 PRISM UNIT 49
- 2.11 PROJECTOR LENS 49
- 2.12 LAMP HOUSING 50
- Table 2-10 51
- Preparation 52
- Precautions 53
- Figure 3-1 54
- Warning: 55
- Handle Holder Cover 56
- Caution: 56
- Figure 3-6 57
- Figure 3-7 57
- Air Filter Frame Tab 58
- Figure 3-10 60
- Figure 3-11 60
- Figure 3-12 62
- Figure 3-13 62
- Figure 3-15 64
- Figure 3-16 64
- Figure 3-19 67
- Power Supply Cables 68
- Figure 3-24 71
- Figure 3-25 71
- Figure 3-26 72
- Figure 3-27 72
- Intake Fan 74
- Figure 3-31 76
- Figure 3-32 76
- Figure 3-33 77
- Figure 3-34 77
- Figure 3-35 77
- 4.2 First Action 79
- SYSTEM INITIALIZATION 80
- DISPLAY MODE 81
- Video Display Mode 82
- Audio Mode 83
- Picture Quality 84
- Remote Control 85
- 5.1 Image Adjustment Program 86
- 5.1.2 Running the Program 87
- Image Adjustment Program Menu 88
- 0. Initialization 88
- 1. Flicker Adjustment 88
- ***Flicker Adjustment*** 89
- COLOR RED 89
- Change data using arrow key 89
- Select Enter Key: set 89
- 3. Sub Contrast Adjustment 90
- Figure 5-7 92
- 4. Data Transfer 92
- A.1 Reference Materials 95
- A.2 Exploded Diagrams 98
- A.3 Schematic Diagrams 100
- EPSON ELP-3500 Service Manual 101
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