Daktronics BB-2101 Tuff Sport Basketball LED Scoreboard - Manual (Page 31)

Scoreboard Troubleshooting 25
Connector # Function
1-16 Output to digits and indicators
17 Control signal
18 Control for horn
19 Address
Refer to Drawing A-126174 in Appendix E for detailed driver pin out/switch specifications.
The table below shows the function of the primary connectors for a 4-column driver:
Connector # Function
1-4 Output to digits and indicators
17 Main power & signal
19 Address plug
6-7 Horn Relay
Refer to Drawing A-123783 in Appendix E for detailed driver pin out/switch specifications.
When troubleshooting driver problems, three LEDs labeled DS1, DS2, and DS3, provide the
following diagnostic information:
LED Color Function Operation Summary
DS1 Green Power Steady on
DS1 will be on and steady to indicate the driver
has power.
DS2 Red Signal RX
Steady on
or blinking DS2 will be on or blinking when the driver is
receiving a signal and off when there is no signal.
DS3 Amber Status Blinking
DS3 will be blinking at one second intervals to
indicate the driver is running (not available on 4-
column LED driver).
Note: While it is necessary to have the scoreboard powered on to check the LED driver
status indicators, always disconnect scoreboard power before servicing.