Epson PowerLite 5000 Servisní příručka Strana 59
- Strana / 127
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
EPSON PowerLite 5000 Service Manual
2-29
fuse on this board is connected to the ground through a resistance (88 Ω).
Consequently, the fuse is blown and the LLIFE signal is switched from HIGH to LOW.
When LLIFE becomes LOW, IC600 switches LPCTL to HIGH and shuts down the lamp
power (65 VDC) from the power supply unit. When the power is shut off, and LPST
(LPFAL) becomes HIGH, IC600 detects power off in the lamp and starts the cooling
down sequence.
2.13 SENSORS/SWITCHES
The following devices listed in the table are installed in the projector for safe operation and
prevention of malfunctions.
Table 2-7 Sensors/switches
Name Location/Type Function/Use
Filter cover switch Micro switch on the lower
case
Turns power off when the filter
cover is open. (Power on is
disabled.)
Interlock switch Push-switch on the power
supply unit
Turns power off when the
lamp cover is open. (Power on
is disabled.)
Safety switch Thermal switch on the lamp
outer housing
Overheating protection for the
lamp area. Power is shut off if
the temperature exceeds a
specified limit.
Lamp thermistor Thermistor on the lamp outer
housing
Overheating protection for the
lamp area. Power is shut off if
the temperature exceeds a
specified limit.
LV thermistor Thermistor on the prism duct Overheating protection for the
light bulb. Power is shut off
when the temperature
exceeds a specified limit.
PBS thermistor Thermistor on the side of the
power supply unit
Overheating protection for the
power supply unit. Power is
shut off when the temperature
exceeds a specified limit.
- 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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