Daktronics Galaxy AF-3400 Series, Display Manual

Page: 37 / 93

4.3 Power Summary
The power routing for the display can be summarized as follows:
1. Power terminates in the power termination panel in the display.
2. Before leaving the power termination panel, power is sent through a circuit
breaker and an RFI electrical filter or filters.
3. Power for the controller board passes through a transformer located in the
power termination panel.
4. RGB and Mono modules use 13.1 VDC power supply. For assistance with
the wiring to the power supplies refer to
Figure 22,
Figure 25
,
Figure 23
and
Figure 24
.
5. Fans are located along the bottom of the display (8 pixels-24 pixels high) to
draw in cool air, which exits out through vents located in the face at the top
of the display.
6. Fans are located on the backsheet of the rear of the display (32 pixels-64
pixels high), drawing in cool air in through the face of the display and
exhausting out the back.
Note: Power supplies are preset. Contact Daktronics Customer Service for the proper
settings.
Figure 22: 13.1 VDC Power Supply RGB
Maintenance and Troubleshooting
4-3