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CHAPTER 5
Maintenance and Troubleshooting
40 SHOWGUN
®
User Manual
Driver Boards
The SHOWGUN
®
fixture is designed with two basic types of motor driver boards. A driver board is
interchangeable with other boards of its type. Standoffs and contact screws allow for
position- specific board addressing. The fixture will not function correctly if contact
screws are missing from driver boards.
2-Phase Boards
Four 2-phase boards control the motors for all CMY color flags, Soft Edge Flags, Gobo Indexing
and Rotation as well as Zoom, Focus and Iris functions. These boards are located together on a
bracket inside the electronics housing behind the display panel. Boards 1 and 2 are on the front
side of the bracket. Boards 4 and 8 are on the backside.
MTG4
MTG1
MTG2
MTG3
Board 1
M1
DIM 1
M2
DIM 2
M3
Cyan 1
M4
Cyan 2
Board 2
M1
Magenta 1
M2
Magenta 2
M3
Yellow 1
M4
Yellow 2
S4
5V Status LED
Board 4
M1
Soft Edge 1
M2
Soft Edge 2
M3
Gobo
M4
Gobo Rotate
S3
Gobo Sense
S4
Gobo Rotate Sense
MTG4
MTG1
MTG2
MTG3
MTG4
MTG1
MTG2
MTG3
MTG4
MTG1
MTG2
MTG3
Board 8
M1
Focus 1
M2
Zoom 1
M3
Zoom 2
M4
Iris