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EPSON PowerLite 5000 Service Manual
2-21
The signals from the receptor board (FI board/RI board) are sent to the FR board and are
used for wireless mouse control (controlling the host computer via the remote control).
The signals from the filter cover switch are sent to the main board. If the filter cover is
open, power cannot be supplied. The signals for controlling serial operations and the
receptor board signals are sent from the FR board to the CN board.
2.9 RECEPTOR BOARD (FI/RI BOARD)
This board detects infrared signals. This unit consists of two receptor boards: one is
attached to the speaker bracket on the front face (FI board), and the other is on the rear
case (RI board). You can control this device on both sides. The FI and the RI are different
in shape, but the same in function (circuit).
Receptor Boards and Their Circuits
RI board (rear) FI board (front)
Figure 2-19
FI Board Circuit RI Board Circuit
Figure 2-20
Each receptor board is connected to CN203/204 on the connector board. Each board’s
output signal (serial data) is connected to CN802 on the main board via CN200 after wired
OR is applied.
R300
47
2
2 1
1
2
361FI
IC300
GP1U102X
CN300
S38-PH-K
GNDVCC1
2
1 4
GNDVOUT
11
2
3
C300
0. 1U
16 V
2
1
CHIP
33
F
2
361RI
IC400
GP1U102X
CN400
B38-PH-K-S
R400
47
GNDVCC1 4
GNDVOUT
1
3
C400
0. 1U
16 V
22
1
CHIP
33
F
2
- Service Manual 1
- PowerLite 5000 2
- VCCI COMPLIANCE STATEMENT 3
- REVISIONS 3
- COPYRIGHT INFORMATION 3
- TRADEMARK INFORMATION 3
- INTRODUCTION 4
- PRECAUTIONS 5
- Contents 7
- CHAPTER 4 TROUBLESHOOTING 9
- APPENDIX A 9
- 1.1 PRODUCT FEATURES 10
- 1.2 PARTS OF THE PROJECTOR 11
- Figure 1-3 12
- Figure 1-4 12
- Figure 1-5 13
- Figure 1-6 13
- Figure 1-8 14
- Figure 1-9 15
- 1.3 CONNECTIONS 16
- Power Book 18
- Table 1-1 18
- Video Devices 19
- Audio Devices 19
- 1.4 MAIN COMPONENTS 20
- FR board 21
- CN board 21
- Receptor boards 21
- Speakers 22
- Inlet unit 22
- Filter unit 22
- Power supply unit 23
- Lamp inner housing 23
- Control panel 23
- Optical engine 24
- Top side view 24
- Bottom side view 24
- 1.5 SPECIFICATIONS 25
- POWER SUPPLY 26
- 1.6 INTERFACE SPECIFICATIONS 27
- 1.6.5 S-Video 28
- 1.6.6 Video-In 29
- 1.6.7 Audio In L/R 29
- 1.6.8 Mouse / Com 1/2 30
- 2.1 HARDWARE 31
- Figure 2-2 33
- FC board 34
- Figure 2-3 34
- Figure 2-4 35
- 2.2 POWER SUPPLY UNIT 36
- Functional Outline 37
- Figure 2-7 38
- 2.3 MAIN BOARD 39
- • Lamp power 40
- • Backup Power 40
- 2.4 DRIVER BOARD 42
- Figure 2-11 44
- 2.5 CONTROL PANEL 45
- 2.6 AU BOARD 46
- 2.7 FR BOARD 48
- Figure 2-16 49
- 2.8 CN BOARD 50
- Figure 2-19 51
- Figure 2-20 51
- Figure 2-21 52
- 2.10 SPEAKER UNIT 53
- 2.11 LIGHT GUIDE BLOCK 54
- • Lens Arrays A and B 55
- 2.12 LAMP INNER HOUSING 56
- Light source lamp 57
- Fuse board (FU board) 58
- 2.13 SENSORS/SWITCHES 59
- 2.13.1 Filter Cover Switch 60
- 2.13.2 Interlock Switch 61
- 2.13.3 Safety Switch 61
- 2.13.5 LV Thermistor 62
- 2.13.4 Lamp Thermistor 62
- 2.13.6 PBS Thermistor 63
- 2.14 BOARD CONNECTIONS 64
- Figure 2-37 65
- Figure 2-38 65
- AC InIet 66
- Power Supply Connector 66
- Connector Board 66
- 3.1.1 Preparatory Procedures 67
- 3.1.4 Mechanical Adjustments 68
- Driver Board 69
- 3.1.6 Precautions 70
- Figure 3-1 71
- Figure 3-2 72
- Figure 3-3 72
- Figure 3-4 73
- Figure 3-5 74
- Figure 3-6 74
- Figure 3-7 75
- Figure 3-8 75
- Figure 3-9 76
- Figure 3-10 76
- Figure 3-11 77
- Figure 3-12 77
- Figure 3-13 78
- Figure 3-14 78
- Caution: 79
- 3.2.8 Removing the Main Board 80
- Figure 3-18 81
- 3.2.9 Removing the AU Board 82
- Figure 3-20 83
- Figure 3-21 84
- 3.2.11 Removing the FR Board 85
- Figure 3-24 86
- Figure 3-25 86
- Figure 3-26 87
- Figure 3-27 88
- Figure 3-28 88
- Figure 3-29 89
- Figure 3-30 90
- Figure 3-31 90
- Figure 3-32 91
- Figure 3-33 92
- Figure 3-34 92
- 3.2.20 Removing the CN Board 93
- Figure 3-37 94
- 3.2.22 Removing the FC Board 95
- Figure 4-1 97
- Figure 4-2 98
- Figure 4-3 99
- Power ON/OFF 100
- Continued from page 4-5 101
- Go to start 101
- Display/Picture 102
- Figure 4-7 103
- Audio Output 104
- Control Panel 105
- Remote Control 106
- Mouse/COM 107
- Figure 4-12 108
- A.1 Parts List 109
- A.2 Exploded Diagrams 112
- Figure A-2 113
- Figure A-3 114
- Figure A-4 115
- Figure A-5 116
- Figure A-6 117
- Figure A-7 118
- Figure A-8 119
- Figure A-10 120
- Figure A-11 121
- Figure A-12 122
- Figure A-13 123
- Figure A-14 124
- Figure A-15 126
- Figure A-16 127
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