CONTENTS
1. SPECIFICATIONS ................................................................................................................................ 1
2. BLOCK DIAGRAM
2-1. CONSTRUCTION OF WHOLE UNIT ............................................................................................ 2
2-2. PROTECTION CIRCUIT 1 ............................................................................................................. 3
2-3. PROTECTION CIRCUIT 2 ............................................................................................................. 4
3. BASIC PRINCIPLE
3-1. DATA PROJECTOR ..................................................................................................................... 5
3-2. DISPLAYED PIXEL ....................................................................................................................... 6
3-3. BASIC STRUCTURE .................................................................................................................... 7
4. REPAIR PRECAUTIONS ..................................................................................................................... 8
5. PASSWORD ....................................................................................................................................... 10
6. DISASSEMBLY AND ASSEMBLY .................................................................................................... 11
7. DIAGNOSTIC PROGRAM .................................................................................................................. 26
8. DATA BACKUP .................................................................................................................................. 31
9. ADJUSTMENT ................................................................................................................................... 42
10. TROUBLESHOOTING ....................................................................................................................... 43
11. EXPLODED VIEW .............................................................................................................................. 47
12. PARTS LIST ....................................................................................................................................... 50
13. SCHEMATIC DIAGRAMS .................................................................................................................. 54
Summary of Contents for XJ-450
Page 1: ...R XJ 450 MAR 2004 without price Ver 7 Feb 2006...
Page 9: ...7 3 3 Basic structure...
Page 51: ...49 131 112 113 116 120 123 124 133 135 137 127 129 130 131 131 117 118 134 111 128 136 119...
Page 56: ...54 13 Schematic Diagrams Main PCB 1 7 PW BLOCK...
Page 57: ...55 Main PCB 2 7 VGA INTERFACE...
Page 58: ...56 Main PCB 3 7 VIDEO BLOCK...
Page 59: ...57 Main PCB 4 7 MEMORY CONNECTOR BLOCK...
Page 60: ...58 Main PCB 5 7 DMD INTERFACE...
Page 61: ...59 Main PCB 6 7 SUB CPU BLOCK...
Page 62: ...60 Main PCB 7 7 IP00C782 BLOCK...
Page 63: ...61 Jack PCB PWB G790 C 3 Connector PCB PWB G790 C 7 Infrared PCB PWB G790 C 4...
Page 64: ...62 Key PCB 1 2 PWB G790 C 5...
Page 65: ...63 Key PCB 2 2 PWB G790 C 6...