Daktronics BB-2140 Transparent Shot Clock - Manual (Page 19)

Scoreboard Troubleshooting 13
Problem Possible Cause Solution/Items to Check
Scoreboard works, but some
LEDs always stay on
Short in digit circuit
Swap the digit with one known to
work correctly to verify the problem.
Replace if necessary
(see Section 5.2).
Scoreboard works, but some
LEDs do not light or they
blink
Bad connection
Verify the power/signal connector to
the digit circuit board is secure (see
Section 5.2).
Bad digit or driver
Swap the digit/driver with one known
to work correctly to verify the
problem. Replace if necessary
(see Section 5.2 for digits or
Section 5.3 for drivers).
Scoreboard works, but some
digits do not light
Bad digit or driver (see solution on previous page)
Incorrect sport code (see solution on previous page)
Incorrect driver address (see solution on previous page)
Wrong console controlling
scoreboard
Another console’s radio signal could
be transmitting to the scoreboard.
Radio interference
There may be other radio
transmissions in the area that
overpower the console. If it is not
possible to disable the interfering
device, It may be necessary to run a
wired signal connection instead.
5.2 Component Access & Digit Replacement
Refer to Drawing A-236432 and Drawing A-1060251 in Appendix A for instructions on how
to open the shot clock cabinet and replace the digit panels.
5.3 LED Drivers
LED drivers perform the
task of switching LEDs
on and off. The LED
driver for transparent
shot clocks is located
inside of a separate
control enclosure.
Refer to Figure 5 to view
the location and
components of the
control enclosure.
Figure 5: Driver Enclosure Components