Epson Elp-3500 Service Manual download pdf (Page 45)

EPSON ELP-3500 Service Manual

2-16

2.8 SPEAKER UNIT

Inside the upper case is a speaker. Audio signals from the amplitude circuit on the video

board are output to this speaker. Also, audio signals are available from externally

connected speakers. In this case, balance between internal and external speakers is

adjustable using the fade function.

Figure 2-17.

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 113 114

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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