Troubleshooting, Troubleshooting -5 – Daktronics BA-515 User Manual
Page 37

Description
Location
Daktronics
Part No.
24" 4x7 shade screen
24" 4x7 digits
0S-1064-0002
15" 4x7 shade screen
15" 4x7 digits or 3x5 digits
0S-1064-0074
30" 4x7 shade screen
30" 4x7 digits
0S-1091-0002
*This part, X-1294, is intended for use with scoreboards shipped after October, 2001. Models shipped prior to that
date will continue to use original equipment.
8.9 Troubleshooting
This section lists potential problems with the scoreboard and indicates possible causes and corrective
actions. This list does not include every possible problem, but does represent some of the more
common situations that may occur. Refer to Section 9.13 for a list of potential problems with team
name message centers.
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.
Symptom/Condition
Possible Cause or Corrective Action
Scoreboard will not light.
Console not connected or poor connection
No power to the control console
No power to the scoreboard
Bad relay or poor relay connection in signal circuit
Driver logic fuse (F17) blown
P17, P19, or P20 unplugged
Half of the scoreboard will not
light.
Circuit breaker tripped at service panel
Driver malfunction
Poor signal contact at main power connection
Display is garbled.
Control console malfunction
Internal lamp driver malfunction
Digit will not light.
Fuse blown in driver
Black wire to the digit damaged
Poor contact at driver connector
Segment will not light.
Lamps burned out
Driver malfunction (bad triac)
Broken wire between lamp driver and digit
Poor contact at driver connector
Segment stays lit.
Driver malfunction (bad triac)
Segment neutral wire touching case
Digit Maintenance
8-5
and Troubleshooting