TABLE OF CONTENTS
SAFETY PRECAUTIONS .................................... 0-4
IMPORTANT PRECAUTIONS ............................. 0-4
IMPORTANT SAFETY INSTRUCTION ................ 0-5
SECTION 1
PART REPLACEMENT AND ADJUSTMENT PROCEDURES
1. LOCATION OF MAIN PARTS .............................. 1-1
2. LOCATION OF PC BOARD ................................. 1-1
3. REPLACEMENT OF MECHANICAL PARTS ....... 1-2
3-1. Lamp Assembly ............................................. 1-2
3-2. Top Cover....................................................... 1-3
3-3. Main PC Board .............................................. 1-5
3-4. Drive PC Board ............................................. 1-6
3-5. Power Supply ................................................ 1-7
3-6. Ballast power Supply ................................... 1-8
3-7. Optical Engine ............................................. 1-9
3-8. LCD Panel ................................................... 1-11
3-9. MULTI-PBS (Polarizing Beam Splitter) ........ 1-16
3-10. Polarized Plate .......................................... 1-17
3-11. Intake Fan ................................................. 1-19
3-12. Exhaust Fan .............................................. 1-21
3-13. Speaker Block ........................................... 1-21
3-14. Video/Audio PC Board .............................. 1-22
3-15. Document camera ..................................... 1-23
3-16. Screws For Mechanical Parts .................... 1-24
3-17. Screws For Optical Engine ........................ 1-25
3-18. How to disconnect FFC/FPC Connector ... 1-26
4. OPTICAL ADJUSTMENT ................................... 1-29
4-1. Preparation .................................................. 1-29
4-2. Adjustment of Focus..................................... 1-31
5. ELECTRICAL ADJUSTMENT ............................ 1-33
5-1. Preparation .................................................. 1-33
5-2. Shading Adjustment Software ...................... 1-34
SECTION 2
SERVICING DIAGRAMS
1. TROUBLE SHOOTING ....................................... 2-1
2. LED DISPLAY ..................................................... 2-2
3. WIRING BLOCK DIAGRAM ............................... 2-3
4. CONNECTOR PIN ASSIGNMENT ..................... 2-4
SECTION 3
PARTS LIST
1. EXPLODED VIEWS ............................................ 3-1
1-1. Remote Control Unit ..................................... 3-1
1-2. Packing Assembly ........................................ 3-2
1-3. Accessories .................................................. 3-3
1-4. Chassis Assembly ........................................ 3-4
1-5. PC Board and Power Unit Assembly ............ 3-5
1-6. Optical Engine Assembly .............................. 3-6
1-7. Document Camera Assembly ....................... 3-7
1-8. Labels ........................................................... 3-8
2. PARTS LIST ........................................................ 3-9
0-3
