Daktronics BB-2135 Backboard LED Light Strip - Manual (Page 12)

6 Maintenance & Troubleshooting
3.2 Component Location & Access
LED end-of-period lighting system components should be located at each backboard. Light
strips are mounted directly to each backboard with #10 hardware and mounting brackets.
The individual parts of the light strips are directly accessible.
The light strip controller will typically be located on the backboard back stop but may be
mounted elsewhere. Power and signal connections are external, and if necessary, internal
components can be accessed by removing the device's cover.
3.3 LED Drivers
Reference Drawings:
4 Column LED Driver II Specifications.................................................... Drawing A-123783
Mechanical/Electrical Specs- Light Strip Controller ................................ Drawing A-176435
Daktronics LED light strip controllers use 4-column LED drivers to perform the task of
switching LEDs on and off. Refer to Drawing A-123783 in Appendix A for detailed driver
pin out/switch specifications.
Replacing a Driver
1. Open the LED light strip controller enclosure by removing the two screws on the bottom
and lifting off the top. Refer to Drawing A-176435 in Appendix A.
2. Disconnect all connectors from the driver by squeezing together the locking tabs and
pulling the connectors free.
Note: It may be helpful to label the cables to know which cable goes to which connector
when reattaching the driver.
3. Remove the four #6 screws securing the driver to the inside of the controller enclosure.
4. Carefully lift the driver from the display and place it on a clean, flat surface.
5. Position a new driver inside the controller enclosure and tighten the screws.
6. Reconnect all power/signal connectors.
Note: The connectors are keyed and will attach in one way only. Do not attempt to force
the connections.
7. Ensure the driver is set to the correct address (refer to Setting the Driver Address).
8. Close and secure the controller enclosure, then power up and test the light strips to see if
changing the driver has resolved the problem.