HITACHI VisionCube Service Manual
1 Before Service Work Begins 1.1. What This Manual Covers 1-2 1.2. Related Materials 1-2 1.3. Special Items To Note When Performing Service 1-3 1.4. Tools Required 1-4 1.5. Lamps 1-6 Part 1 Maintenance ~Component Replacement Cleaning Inspection Troubleshooting~ 2 Disassembly And Component Replacement Methods 2.1. Removing The Rear Cover 2-2 2.1.1. ES50-116CM 2-2 2.1.2. ES70-116CM 2-2 2.2. Removing The Screen 2-3 2.2.1. ES50-116CM 2-3 2.2.2. ES70-116CM 2-3 2.3. Mirrors 2-4 2.3.1. ES50-116CM 2-4 2.3.2. ES70-116CM 2-4 2.4. Removing The Projection Unit 2-5 2.4.1. ES50-116CM 2-5 2.4.2. ES70-116CM 2-6 2.5. Projection Unit Disassembly 2-7 2.5.1. Projection Unit Disassembly Diagram 2-7 2.5.2. Component List 2-8 2.6. Projection Unit Components 2-9 2.6.1. Board ASSY Main (Main Board) 2-9 2.6.2. Optical Engine (Incl. LCOS Panel, Drive Board) 2-14 2.6.3. Board ASSY SW (Switch Board) 2-22 2.6.4. Board ASSY REM (Photoreceptor Board) 2-23 2.6.5. Board ASSY CONNECT (Connector Board) 2-24 2.6.6. Fan DC Motor (80) (Circuit Cooling FAN; F1) 2-25 2.6.7. Circuit Power Block 2-26 2.6.8. Fan DC Motor (Power Cooling FAN; F2) 2-27 2.6.9. Circuit Power ASSY 2-28 2.6.10. Board ASSY RL (Relay Board) 2-29 2.6.11. Lamp Changer ASSY (Lamp Auto Changer) 2-30 2.6.12. Board ASSY Changer Control (Changer Control Board) 2-31 Contents - i
2.6.13. Lamp Power ASSY (Lamp Power) 2-32 2.6.14. Fan DC Motor (80) (Lamp FAN; F6, F7) 2-33 2.6.15. Fan DC Motor (60) (PBS Cooling FAN; F3) 2-34 2.6.16. Fan DC Motor (60) (LCOS Cooling FAN; F5) 2-34 2.7. Lamp Replacement Method 2-35 2.7.1. Replacement Procedure 2-35 2.7.2. Check Operating Time 2-35 2.7.3. Lamp Replacement Operation 2-36 2.7.4. Reset Operating Time 2-38 2.8. List Of Adjustments On Unit Replacement Parts 2-39 3 Failure Assessment from Message Displays and LED Lamp Displays 3.1. Assessment From Message Displays 3-2 3.2. Assessment From Failure Assessment Lamp Beside Power On Button And Status Display Lamp On Main Board 3-4 4 Detailed Failure Assessment Methods (Detailed Troubleshooting) Important-Must Read Before Starting Inspections 4-2 4.1. Failure Display Functions 4-3 4.2. List Of Failures 4-6 4.3. Failure Assessment Flowchart 4-8 5 Inspection Methods (Cleaning, Parts Replacement) 5.1. Inspections 5-2 5.1.1. Inspection Items (Cleaning/Checking) 5-2 5.1.2. List Of Parts Replaced At End Of Service Life And Replacement Consumables 5-2 5.2. Inspection Methods 5-3 5.2.1. Inspection Methods 5-3 5.2.2. Screen Inspection/Cleaning 5-4 5.2.3. Mirror Inspection/Cleaning 5-5 5.2.4. Projector Reflecting Mirror (Front Surface Mirror) Cleaning Method 5-6 5.2.5. Lens And Unit Lens Glass Cleaning Guidelines 5-11 5.2.6. Lamp Changer Cleaning Guidelines 5-14 5.2.7. Color Balance Checking And Adjustment Method 5-14 Contents - ii
Part 2 Adjustments ~ Screen Adjustments System Adjustments ~ 6 Mechanical Adjustments 6-Axis Adjustment and Mirror Adjustment 6.1. Adjustment Specifications 6-2 6.2. Adjustment Procedure Overview 6-3 6.3. 6-Axis Adjustment 6-5 6.3.1. Preparation 6-5 6.3.2. Detailed Adjustment Hardware Operating Method 6-7 6.4. Adjusting The Mirror 6-9 6.4.1. ES50-116CM 6-10 6.4.2. ES70-116CM 6-11 7 Electrical Adjustments 1 Adjustments Using Internal Signals (Gamma Adjustment, Uniformity Adjustment) 7.1. Adjustment Procedure Flowchart (Electrical Adjustments) 7-2 7.2. Adjustment Procedure Digest 7-4 7.3. Adjustment Procedure 7-6 7.3.1. Adjustment Preparations 7-6 7.3.2. Gamma Adjustment And Uniformity Adjustment Using Internal Signals 7-7 7.4. Multi-Screen Color Balance Adjustment 7-13 7.4.1. Color Balance Adjustment Procedure 7-13 7.5. ID Remote Controller Operation Method 7-14 8 Electrical Adjustments 2 External Signal Connection Adjustments (Setup) 8.1. External Signal Setup 8-2 8.1.1. Setup And Mode Numbers 8-2 8.1.2. Mode Number Automatic Search (Auto-Scan) 8-4 8.1.3. Concerning Mode Numbers 134~191 8-5 8.1.4. Mode Number Skipping 8-6 8.1.5. Setup Data Selection And Setting 8-7 8.1.6. Check Frequency Setting (SYNC SET) 8-12 8.1.7. Sampling Clock Setting (SAMPLE CLOCK) 8-13 8.1.8. Scaling Factor Setting (SCALING) And Position Adjustment (POSITION) 8.1.9. Cable Compensation Setting (CABLE COMP) And Image Sampling Phase Adjustment (SAMPLE PHASE) 8-15 8-19 Contents - iii
8.1.10. External Signal Brightness And Color Adjustment (External Signal Level Setting) 8-22 8.1.11. Display Condition Check, Other Settings 8-25 8.1.12. Auto-Scan Settings 8-29 8.1.13. Changing RGB Input Terminals And Copying Between Mode Numbers 8-32 8.2. Projector Adjustment Data Record Sheet 8-34 8.3. Setup Data List 8-38 9 Projector System Setup and Control 9.1. Projector Control 9-2 9.1.1. Control Single Projector Using RS232C Communication 9-2 9.1.2. Control Multiple Projectors Using RS485 Communication 9-4 9.1.3. Control Multiple Projectors Using RS232C Communication 9-7 9.2Communication Specifications 9-9 9.2.1. RS232C 9-9 9.2.2. RS485 9-9 9.3Communication Procedure 9-10 9.3.1. Overview 9-10 9.3.2. Format 9-10 9.4Communication Commands 9-13 Part 3 Technical Data 10 Specifications 10.1. Characteristics And External Appearance 10-2 10.1.1. Characteristics 10-2 10.1.2. External Appearance 10-3 10.1.3. High-Speed Lamp Changer 10-5 10.2. Ancillary Site Requirements For Installation 10-6 10.3. Maintenance Area Specification 10-7 10.3.1. ES50-116CM 10-7 10.3.2. ES70-116CM 10-8 10.4. Connection Specification 10-9 10.5. Accessories 10-10 10.6. Packaging 10-12 10.6.1. ES50-116CM 10-12 10.6.2. ES70-116CM 10-12 Contents - iv
10.7. Component Names And Functions 10-13 10.7.1. Rear Terminal Plate And Power Switch 10-13 10.7.2. Remote Controller 10-16 11 Block Diagrams 11.1. Circuit Block Diagram 11-2 11.2. Protection Circuit System Diagram 11-3 12 Block to Block Connection Diagram 12.1. Connection Diagram 12-2 13 Cable Installation Diagram 13.1. LCOS Multi-Screen Model Cabling Diagram 13-2 Appendix A. Adjust Menu Tree App.-1 B. Adjustment Classification And Time Requirement App.-8 C. Functions And Setting Items App.-13 D. Other Check Items App.-18 E. Theoretical Principle App.-19 1. LCD Panel Display App.-19 2. Sampling Clock And Sampling Phase Adjustment App.-20 F. ES50-116CM/ES70-116CM Instruction Manual App.-21 Contents - v