
Table of Contents
Section 1: Introduction..................................................................................................1-1
1.1 How To Use This Manual ..........................................................................................1-1
1.2 Product Safety Approval ............................................................................................1-1
1.3 Manual Overview .......................................................................................................1-2
1.4 Daktronics Exchange and Repair and Return Programs ............................................1-2
Section 2: Model Identification.....................................................................................2-1
Section 3: Specifications ..............................................................................................3-1
3.1 Single-Section Scoreboards........................................................................................3-2
3.2 230 Volt Single-Section Scoreboards.........................................................................3-7
Section 4: Component Locations.................................................................................4-1
Section 5: Schematics...................................................................................................5-1
Section 6: Mechanical Installation ...............................................................................6-1
6.1 Footings and Beams ...................................................................................................6-1
6.2 Lifting the Scoreboard................................................................................................6-2
6.3 Scoreboard Mounting.................................................................................................6-3
Method 1 ....................................................................................................................6-3
Method 2 ....................................................................................................................6-4
6.4 Ad Panel Mounting ....................................................................................................6-5
Models BA-515 and BA-518 .....................................................................................6-5
Section 7: Electrical Installation...................................................................................7-1
7.1 Power Requirements...................................................................................................7-1
Grounding...................................................................................................................7-1
Power Installation.......................................................................................................7-2
7.2 Power and Signal Connection ....................................................................................7-3
Section 8: Digit Maintenance and Troubleshooting ...................................................8-1
8.1 Component Access .....................................................................................................8-1
Lamp Driver Access...................................................................................................8-1
Digit Access ...............................................................................................................8-1
8.2 Lamp Replacement.....................................................................................................8-2
8.3 Lamp Drivers..............................................................................................................8-2
8.4 Fuses...........................................................................................................................8-3
8.5 Segmentation ..............................................................................................................8-3
8.6 Power On Self-Test ....................................................................................................8-3
8.7 Lightning Protection...................................................................................................8-4
8.8 Replacement Parts ......................................................................................................8-4
8.9 Troubleshooting .........................................................................................................8-5
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