Document Outline

• Section 1: Overview of the Displays
  • 1.1 Display Details
• Section 2: Mechanical Installation
  • 2.1 Pre-Installation Checklist
    • 2.2 Support Structure Requirements
    • 2.3 Display Mounting
      • General Mounting Procedure
• Section 3: Power Installation
  • 3.1 Conduit
    • 3.2 Overview of Power/Signal Connection
    • 3.3 Power Requirements
      • Main Disconnect
    • 3.4 Power Grounding
    • 3.5 Display Grounding
      • Important Points About Grounding
    • 3.6 Power Connection
      • For Displays With an External Power Termination J-box
        • For Displays With Internal Power Termination
    • 3.7 Power Routing in the Display
• Section 4: Signal Installation Overview
  • 4.1 Primary/Mirror Display Interconnections
    • 4.2 USB to Ethernet Adapter
    • 4.3 Setting the IP Address on the Display Controller
• Section 5: Start-Up Procedure
  • 5.1 Start-Up Checklist
    • 5.2 Start-Up Sequence
    • 5.3 Post Installation Checklist
• Section 6: Maintenance
  • 6.1 Proper Ladder Use
    • 6.2 Internal Display Access
    • 6.3 Ventilation System/Fans
      • Frequency of Inspection
        • Fan Blades
          • Filters
            • Fan Test
    • 6.4 Display Face Cleaning
      • Dry Cleaning Process
    • 6.5 Annual Inspection
• Section 7: Diagnostics and Troubleshooting
  • 7.1 Controller Diagnostics
    • 7.2 MLC Diagnostics
    • 7.3 Troubleshooting Display Problems
      • Common Misconceptions
        • Module and LED Problems
          • Brightness Problems
            • Message Problems
            • Temperature Problems
            • Temperature Problems
            • Testing Displays
            • Before Calling For Help
• Section 8: Parts Replacement
  • 8.1 About Replacement Parts
    • 8.2 Instructions for Replacing Parts
      • Controller Replacement
        • Controller Address Setting
          • MLC Replacement
            • Power Supply Replacement
            • Light Sensor Replacement
            • Temperature Sensor Replacement
• Section 9: Daktronics Exchange and Repair & Return Programs
  • 9.2 Repair & Return Program
    • Shipping Address
    • 9.3 Daktronics Warranty and Limitation of Liability
  • Appendix A: Reference Drawings
  • Appendix B: Temperature Sensor Installation (DD2638167)
  • Appendix C: International Installation
  • Appendix D: Maintenance Log
  • Appendix E: Daktronics Warranty and Limitation of Liability (SL-02374)