Daktronics BA-1518 - Manual (Page 36)

Numeric Scoreboard
Maintenance and Troubleshooting 8-1
Section 8: Numeric Scoreboard Maintenance
and
Troubleshooting
IMPORTANT NOTES:
1. Disconnect power before doing any repair or maintenance work on the
scoreboard!
2. Allow only qualified service personnel access to internal display
electronics.
3. Disconnect power when not using the scoreboard.
For assistance in the maintenance of the team name message centers, refer to Section 9. For
assistance in the maintenance of an optional message center, refer to the manual that accompanies the
message center.
8.1 Component Access
Reference Drawing:
Digit Access .............................................................................................. Drawing A-27674
Lamp Driver Access
Refer to the component locations drawings in Section 4 for the location of the lamp drivers. To
access a lamp driver:
Important: When the lamp drivers are replaced, plugs P25 and P26 (if present) must be removed
from the old driver and plugged into the new driver.
1. Open the access panel by turning the 1 /
4
-turn screws. The door will swing open.
2. Remove the driver enclosure cover.
3. Disconnect the plugs.
4. Remove the wing nuts securing the lamp driver to the enclosure.
5. Carefully pull out the lamp driver and set it on a clean flat surface.
Digit Access
Use the following instructions to remove a digit from the front of the scoreboard.
Note: The digit does not need to be removed to change the lamps.
1. Remove the screws securing the screen (refer to Drawing A-27674).
2. Carefully pull the digit out part way so that the ground wire can be unscrewed and the
harness unplugged.
3. Place the digit on a clean, level surface.