Daktronics H-2024-9, Installation And Maintenance Manual

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Maintenance and
Troubleshooting
3-1
Section 3: Maintenance and Troubleshooting
Important Notes
1. Disconnect power before any repair or maintenance work is done
on the scoreboard display!
2. Access to internal display electronics must be made only by
qualified service personnel.
3. Disconnect power when the scoreboard display is not in use.
3.1 Suspension System Periodic Inspection
Static System
The static mounted system should be inspected one year after initial installation and once every
five years thereafter.
Inspect cable assemblies for broken wires, crushes or kinks.
Components should be inspected for deformations per manufacturer's recommendations.
The four-sided scoreboard structural framework should be inspected for any loose or
missing bolts.
Inspect the attachment bracket for loose bolts or cracks in members or welds.
Check torque on all wire rope clips.
Hoist System
The hoist systems must be inspected annually per OSHA requirements. Some local governing
bodies require more frequent inspections. See the hoist manufacturer's manual for inspection
procedures.
Inspect cable assemblies for broken wires, crushes or kinks.
Inspect connections for loose bolts or cracks in members or welds.
h h h h
Note: Document all inspections. Any irregularities must be addressed immediately. For
installation problems call the original installer; for hoist problems, the hoist manufacturer.
3.2 LED Driver
Reference Drawing:
LED Driver ......................................................................................... Drawing A-119205
The LED driver (refer to Drawing A-119205 ) switches LEDs on and off. Each driver has 19
connectors providing power and signal inputs/outputs to digits and indicators. The following table
shows the function of these connectors