Daktronics Galaxy AF-3400 Series, Display Manual

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Transformer and RFI Filter
Reference Drawings:
Schematic, Power Term Panel, 1 Circuit............................... Drawing A-211950
Schematic, Power Term Panel, 2 Circuit............................... Drawing A-211947
Schematic, Power Term Panel, 4&6 Circuit, 120/240 V........ Drawing A-223673
Schematic, Power Term Panel, 8 Circuit, 120/240V ............. Drawing A-231469
Note : Z Filters (refer to Figure 28 ) are external from the power termination panel.
Refer to layouts to see if there are external Z filters.
Figure 28: RFI Filter Assembly for RGB
displays larger than 32x96
Remember:
Disconnect power before servicing any internal components
Transformer
The transformer is located in the upper portion of the primary display’s power
termination box as shown in
Figure 29 and Figure 30. Turn off power to the
display before removing the wires .
Figure 29: Primary Display Power Termination Box
Figure 30: Power Termination - Displays Larger
than 32x96
Maintenance and Troubleshooting
4-8