Daktronics Galaxy Series, Manual

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Table of Contents
ii
3.10 First Time Operation................................................................................ 3-17
Section 4: Maintenance and Troubleshooting ............................................. 4-1
4.1 Maintenance and Troubleshooting Overview ............................................ 4-1
4.2 Signal Summary......................................................................................... 4-2
4.3 Power Summary......................................................................................... 4-2
4.4 Service and Diagnostics............................................................................. 4-3
Transformer and RFI Filter................................................................. 4-4
Controller............................................................................................ 4-5
Modules and Drivers .......................................................................... 4-8
Power Supplies ................................................................................... 4-8
Light Detector..................................................................................... 4-9
Modem.............................................................................................. 4-10
Fiber Board....................................................................................... 4-11
RS422 Surge Suppressor .................................................................. 4-11
Location of CAN Termination Jumper ............................................. 4-12
4.5 Ventilation Systems (With Fans and Filters) ........................................... 4-13
4.6 Thermostats ............................................................................................. 4-14
4.7 Weather Stripping.................................................................................... 4-14
4.8 Display Maintenance ............................................................................... 4-14
4.9 Troubleshooting....................................................................................... 4-15
4.10 Initialization Operation Information ........................................................ 4-16
4.11 Replacement Parts List ............................................................................ 4-16
4.12 Daktronics Exchange and Repair and Return Programs .......................... 4-17
Appendix A: Reference Drawings .....................................................................A-1
Appendix B: Signal Converter ..........................................................................B-1
Appendix C: Optional Temperature Sensor ...................................................C-1