Daktronics CR-2004, Display Manual

Page: 27 / 90

Scoreboard Troubleshooting 21
Section 5: Scoreboard Troubleshooting
IMPORTANT NOTES
:
1. Always disconnect power before doing any repair work on the scoreboard.
2. Permit only qualified service personnel to access internal display electronics.
3. Disconnect power when not using the scoreboard.
For assistance in the maintenance of team name message centers (TNMCs) or other optional
scoreboard message centers, refer to
Section 6 or the service manual that accompanies those units.
5.1 Troubleshooting Table
The table below lists potential problems with the scoreboard and indicates possible causes
and corrective actions. This list does not include every symptom that may be encountered,
but it does present several of the most common situations that may occur.
Many of the solutions offered below provide references to other sections within this manual
or to supplemental product manuals with further detail on how to fix the problem.
If a problem occurs that is not listed or that cannot be resolved using the solutions in the
following table, contact Daktronics using the information provided in
Section 5.10 .
Problem Possible Cause Solution/Items to Check
Scoreboard doesn’t light
and console doesn’t work
No power to the scoreboard
Check that the main circuit breaker
for the scoreboard is on.
Check that the scoreboard is
receiving the correct 240 or 120 V
AC power (see Section 2 ).
No power to console
Ensure the console is plugged into a
240 or 120 V AC power supply.
Swap the console with one known to
work correctly, and enter the proper
sport code and/or radio settings to
test. Replace console if necessary.
Scoreboard digits don’t light,
but console works
No wired signal from console
Check that the scoreboard is
receiving the correct 240 or 120 V
AC power (see Section 2 ).
Check that the red DS2 LED on the
driver lights up when sending
commands from the computer or
control console (see Section 5.5 ).
No radio signal from console
Cycle power to the scoreboard and
watch for radio receiver broadcast/
channel settings (see Section 5.6 ).