1 Introduction...........................................................................................................................................................................................................9

1.1

Scope and limitations .....................................................................................................................................................................10

1.2

Copyright ...............................................................................................................................................................................................10

1.3

Trademarks ..........................................................................................................................................................................................10

1.4

Required Handtools.........................................................................................................................................................................10

2 General safety .................................................................................................................................................................................................. 11

2.1

General Safety Instructions.........................................................................................................................................................12

2.2

Notice on safety .................................................................................................................................................................................12

2.3

Users Definition..................................................................................................................................................................................12

3 Important Safety Instructions................................................................................................................................................................15

3.1

To prevent the risk of electrical shock....................................................................................................................................16

3.2

To prevent personal injury............................................................................................................................................................16

3.3

To prevent fire hazard.....................................................................................................................................................................17

3.4

To prevent projector damage .....................................................................................................................................................17

3.5

On Servicing ........................................................................................................................................................................................18

3.6

To prevent battery explosion (PCB)........................................................................................................................................18

3.7

Precautions during lens shift ......................................................................................................................................................19

3.8

Laser Safety.........................................................................................................................................................................................19

3.9

Warning labels....................................................................................................................................................................................19

4 DLP System General Description .......................................................................................................................................................21

4.1

GP7optical principle ........................................................................................................................................................................22

4.2

The DMD Device...............................................................................................................................................................................24

4.3

The Grayscale image .....................................................................................................................................................................24

4.4

Adding Color........................................................................................................................................................................................25

4.5

Single chip DLP projection system .........................................................................................................................................25

5 GP7 system functional description...................................................................................................................................................27

5.1

Electronic platform ...........................................................................................................................................................................28

5.2

I/O's and processing tasks: .........................................................................................................................................................28

5.3

Block diagram GP7 Platform ......................................................................................................................................................29

5.4

Wiring Matrix........................................................................................................................................................................................31

5.5

Firmware................................................................................................................................................................................................32

5.6

System Safety Loop ........................................................................................................................................................................33

5.7

Laser driver Principle and error codes ..................................................................................................................................34

6 GP7 periodic maintenance ......................................................................................................................................................................37

6.1

Service Interval Matrix....................................................................................................................................................................38

6.2

Service kits available ......................................................................................................................................................................38

723-0018 /02

F70