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- 49 -

3. Adjust the boundary(edge) of the shading area to the Sharp focus.

(The integrator lens rotates when the right or the left of slot-F is used.)

White

CYAN

EDGE

MAGENTA

White

SLOT-B(L)

SLOT-B(R)

SCREW-A

Slot-F

Slot-F

Screws-A

Optical adjustment

Table of Contents

Table of Contents2
Safety Precautions3
Safety Instructions3
- Technical Specifications4
- Fuse5
- Thermal Switch5
- How to Replace the Fuse5
Circuit Protections5
- Lamp Cover Switch6
- Door Switches for Automatic Slide Shutter6
- Warning Temperature and Power Failure Protection6
- Cleaning with Air Spray7
Maintenance and Cleaning7
- Cleaning the RGB Panels8
- If the Nozzle Is Pulled out8
- Bottom View9
- Clean by Using the Cleaning Function in the Setting Menu9
- Which Hole to Put the Nozzle In?9
- Cleaning the Air Filters10
- Cleaning the Projection Lens11
- Cleaning the Projector Cabinet11
- Lamp Handling Precautions12
Lamp Replacement12
- Lamp Replacement Counter13
- How to Check Lamp Used Time13
- Cabinet Top Ass'y Removal14
Mechanical Disassemblies14
- Cabinet Top Ass'y Disassemblies15
- Cover Lens Top and Spacer Removal16
- Cabinet Front Ass'y Removal16
- Cabinet Front Ass'y Disassemblies17
- Lamp Exhaust Duct Ass'y Removal19
- Main Board Removal19
- Main Power Ass'y Removal21
- Main Power Ass'y Disassemblies21
- Lamp Duct Ass'y Removal23
- Lamp Cooling Fan(FN902) Ass'y Removal23
- Optical Base Lamp Ass'y Removal24
- Optical Base Lamp Ass'y Disassemblies24
- Optical Unit Removal25
- Filter Board Removal25
- Duct Cover Removal26
- LCD Duct Top Removal26
- Fans(Fn904, FN905) Removal27
- LCD Duct Bottom Removal27
- Cabinet Bottom Ass'y Disassemblies28
- Lamp Ass'y and Filters Removal29
- Integrator Lens (IN) Disassemblies30
- Integrator Lens Ass'y Removal30
- Lens Shift Panel Removal30
Optical Parts Disassemblies30
- LCD Panel / Prism Ass'y Removal31
- Panel Type Check31
- LCD Panel / Prism Ass'y Disassemblies32
- Optical Filter(WV-G) Ass'y Disassemblies33
- Optical Filter(WV-G) Ass'y Removal33
- Polarized Glass Ass'y (IN-R) Removal34
- Polarized Glass(IN-R) Removal34
- Polarized Glasses Removal.35
- Polarized Glass Ass'y (IN-B)36
- Projection Lens Ass'y Removal37
- Projection Lens Removal37
- Lamp Iris Unit and Relay Lens Ass'y Removal38
- Optical Base Top Removal38
- Condenser Lenses Removal39
- Relay Lens (OUT) Ass'y Disassemblies39
- Mirrores Removal40
- PBS and Integratoe Lens (OUT) Removal40
- Optical Parts Location and Direction41
- Memory IC Replacement45
- Caution to Memory IC Replacement45
- Caution of Main Board Replacement45
Adjustments after Parts Replacement45
Optical Adjustment46
- Before Adjustment47
- Integrator Lens Adjustment48
- Relay Lens Adjustment50
- Contrast Adjustment (Polarized Glass-G,B)52
- Contrast Adjustment (Polarized Glass-R)53
- If the Un-Uniformity Appears on the Corner53
- Contrast Adjustment (Optical Filter WV-IN)54
Electrical Adjustment55
- Service Adjustment Menu Operation55
  - To Enter Service Mode55
  - To Adjust Service Data55
- Circuit Adjustment56
- Service Adjustment Data Table60
- Electrical Adjustments61
- Location of Test Points70
- Main Board70
Waveform71
Chassis Overview72
Chassis Block Diagram72
- Video Signal Processing Circuit and LCD Panel Driving Circuit73
- Chassis Block Diagrams73
- Main Board73
- System Controls74
- Description of System Control Circuit75
- Power Saving System Control75
- Remote Control75
- Motor Driving Circuit76
- Description of Motor Driving Circuit77
- Lamp Iris Motor and Lens Iris Motor77
- Lamp Iris Motor77
- Lens Iris Motor77
- Fan Control Circuit78
- Fan and Sensor Location78
- Description of Fan Control Circuit79
- Power Failure Protection of Fan79
- Temperature Sensor for Fan Control79
- Power Supply Circuit and Protection Circuit80
Power Supply Lines80
- Description of Power Supply Circuit81
- Power Failure Protection of Secondary Power Circuit81
- Flow Chart of Projector Condition81
Troubleshooting82
- No Power82
- No Picture84
I/O Port Table of Main CPU (IC301, PW386)86
Control Port Functions86
- Sub CPU (IC4801, PIC16F873)87
- IIC Bus D/A Converter87
- Parallel Bus I/O Expander87
IC Block Diagrams88
- Electrical Parts List93
- Read Description in the Parts List93
Service Parts List93
- Assemblied Boards94
- Out of Circuit Board94
- Remote Control108
- Mechanical and Optical Parts List109
- Diagrams & Drawings125
- Capacitor Reading126
- Resistor Reading126
- Diode/Transistor Type Reading126
Parts Description and Reading in Schematic Diagram126
Power Unit127
Schematic Diagrams127
Printed Wiring Board Diagrams133
- Pin Description of Diode, Transistor and IC137
- Soldering Iron138
- Solder138
Note on Soldering138

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