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8. Thermal management system

40 723–0016 F90 01/12/2017

Table of Contents

Default Chapter3
- Table of Contents3
1 Introduction7
- Scope and Limitations7
- Copyright7
- Trademarks7
- Required Handtools7
2 General Safety9
- General Safety Instructions9
- Notice on Safety9
- Users Definition9
3 Important Safety Instructions11
- To Prevent the Risk of Electrical Shock11
- To Prevent Personal Injury11
- To Prevent Fire Hazard12
- To Prevent Projector Damage12
- On Servicing13
- To Prevent Battery Explosion13
- Precautions During Lens Shift13
- Laser Safety14
- Warning Labels14
4 DLP System General Description15
- F90 Optical Principle15
- The DMD Device16
- The Grayscale Image16
- Adding Color16
- Single Chip DLP Projection System17
5 GP6 System Functional Description19
- Electronic Platform19
- I/O's and Processing Tasks19
- Block Diagram GP6 Platform21
- Wiring Matrix23
- Firmware24
- System Safety Loop24
- Laser Driver Principle and Error Codes26
6 GP6 Periodical Maintenance29
- Service Interval Matrix29
- Service Kits Available29
7 OSD / Display Menu31
- Service Menu31
- Troubleshooting Tools33
8 Thermal Management System35
- Ventilation and Cooling35
- Liquid Cooling Pumps37
- Fans37
- Thermal Sensors38
- Engine Heatsink38
- System Thermal Diagram38
9 Lenses and Adjustment43
- Scheimplflug Adjustment43
- Locking the Lens Position43
10 Optical Adjustments45
- Perfecting the Lightning Path45
- Lightning Mirror Adjustment45
- Lightning Mirror: Horizontal (X) Adjustment45
- Lighting Mirror: Vertical (Y) Adjustment46
- Focus: Relay Tube Lens Focus Adjustment46
- Color Uniformity, TI Loop Mirrors Adjustment47
11 Colorwheels49
- Replace the Colorwheel Assy49
- Colorwheel Index Adjustment49
- Index Adjustment Procedure50
12 Phosphor Wheel51
- Replace the Phosphor Wheel Assy51
- Entering Prospector Diagnostic Tool51
- Calibrating the Phosphor Wheel51
13 Laser Pulsing Adjustment53
- Procedure53
14 XPS Actuator55
- XPS Actuator Replacement55
- Calibrating the XPS Actuator56
15 Light Engine59
- Clga59
16 Power Supply Unit (PSU)61
- AC Input61
- Output Specification61
- Connectors62
- Power Supply Diagnostic64
  - Power Good Output64
17 Troubleshooting65
- Status LED Indications65
- Led's on Thermal Hub and Mainboard65
  - Thermal Hub Board Led's65
  - Main Board Led's66
- Available Diagnostic Tools67
- Troubleshooting68
18 Assembly Hierarchy81
- Hierarchy Overview81
19 Disassembly / Assembly Instructions83
- Safety Precautions83
- Remove the Projector Covers83
- Display and Keypad Module88
20 Scheduled Operations89
- About89
- 20000 Hours LFM Service89
- 40000 Hours Service97
21 DMD, DMD Board, CLGA & DMD Heatsink Elements105
- DMD Assembly105
- DMD Board, CLGA & DMD Heatsink Elements105
- GP6 PCB DMD Board106
- Clga & DMD107
- Re-Assembly after PCB DMD or DMD/CLGA Repair107
- GP6 Heatsink DMD Front & Rear Assemblies108
- GP6 Heatsink DMD Front Assembly108
- Remove the Laser Interface110
- Install New Laser Interface111
22 TI Loop113
- General113
- Overview Engine Assembly114
- TI Loop Right118
- Rod Carrier Assy119
23 Illumination Engine Front121
- Iris Assembly121
- Relay Tube Assy122
- PCB CLO (Constant Light Output)122
- Folding Mirror Assembly123
  - Removing Folding Mirror Assembly123
24 Lens Shift Assembly125
- Lens Shift Assembly Motors126
- Lens Position Sensors (Horizontal and Vertical)127
- PCB Lens Connectors127
- Lens Lock Screws128
- Scheimpflug Screws128
- Lens Shift Assembly and Optical Actuator128
- TIR Prism129
25 Prism Housing133
26 Technical Operations135
- PCB Bracket Bottom and Bracket Fan135
- PCB Main135
- PCB Thermal Hub Board136
- Psu138
- PCB Laser Drivers139

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