EH-TW8000/TW9000/TW9000W CONFIDENTIAL
SEIKO EPSON 8 Revision A
Contents
Chapter 1 Product Description
1.1 Features................................................................................................................. 11
1.2 Specifications ....................................................................................................... 12
1.3 Dimensions ........................................................................................................... 14
1.4 Ceiling Mount....................................................................................................... 16
Chapter 2 Troubleshooting
2.1 Required Tools ..................................................................................................... 25
2.2 Troubleshooting Procedure .................................................................................. 25
2.3 Exterior Check...................................................................................................... 26
2.3.1 Parts Layout Diagrams ................................................................................ 26
2.4 Error Indication and Problem diagnosis ............................................................... 32
2.4.1 LED Indication ............................................................................................ 32
2.4.2 Troubleshooting based on LED Indications ................................................ 34
2.4.3 Troubleshooting from the Error Codes........................................................ 37
2.4.4 Troubleshooting without Error Indications ................................................. 42
2.4.5 Troubleshooting on image abnormality....................................................... 49
2.4.6 Cable Connection and Projector’s Status .................................................... 51
2.5 Operation and Safety Check after repair .............................................................. 54
2.5.1 Each Operation Check ................................................................................. 54
Chapter 3 Disassembly and Assembly
3.1 Precautions ........................................................................................................... 57
3.1.1 General Cautions in operation ..................................................................... 57
3.1.2 Precautions................................................................................................... 58
3.1.3 Workflow..................................................................................................... 58
3.1.4 Standard Operation Time............................................................................. 59
3.1.5 Tools ............................................................................................................ 59
3.1.6 Precautions for Optical Engine and MA Board ........................................... 60
3.2 Flowchart.............................................................................................................. 61
3.3 Disassembly.......................................................................................................... 64
3.3.1 Air Filter ...................................................................................................... 64
3.3.2 Lamp............................................................................................................ 64
3.3.3 Rear Case..................................................................................................... 66
3.3.4 Front Case.................................................................................................... 67
3.3.5 Upper Case .................................................................................................. 68
3.3.6 MA Board (assembly) ................................................................................. 70
3.3.6.1 RCR Board.......................................................................................... 73
3.3.6.2 EIF Board............................................................................................ 74
3.3.6.3 Optical Engine and MAB Set ............................................................. 75
3.3.7 Lens Shutter................................................................................................. 77
3.3.8 Optical Engine (assembly)........................................................................... 78
3.3.8.1 CF Motor............................................................................................. 80
3.3.8.2 Auto Iris .............................................................................................. 81
3.3.8.3 Zoom/Focus Lever (1)/(2) .................................................................. 82
3.3.8.4 Focus Ring / Zoom Ring..................................................................... 83
3.3.9 Lamp Fan (assembly) .................................................................................. 84
3.3.9.1 Lamp Fan ............................................................................................ 86
3.3.10 INT Duct (assembly) ................................................................................. 87
3.3.10.1 INT Fan (1)/(2) ................................................................................. 89
3.3.10.2 TH1 Board ........................................................................................ 91
3.3.11 EX Duct (assembly)................................................................................... 92
3.3.11.1 TH2 Board / EX Fan......................................................................... 93
3.3.12 SW Board (assembly)................................................................................ 94
3.3.12.1 SW Board.......................................................................................... 95
3.3.13 Inner EX Duct............................................................................................ 97
3.3.14 RCF Board................................................................................................. 99
3.3.15 Rx Wireless HD / HDMI Cable (EH-TW9000W only) .......................... 101
3.3.16 Front Foot ................................................................................................ 102
3.3.17 Power Supply (assembly) ........................................................................ 103
3.3.17.1 TH3 Board ...................................................................................... 105
3.3.17.2 PS Fan ............................................................................................. 106
3.3.17.3 PS Unit............................................................................................ 107
3.3.18 Ballast (assembly).................................................................................... 108
3.3.18.1 BA Unit / SCI Cable ....................................................................... 109
3.3.19 Filter Board Unit...................................................................................... 110
3.3.20 AC Cable ................................................................................................. 111