Daktronics AF-3197-89-RGB - Manual (Page 4)

Table of Contents ii
Section 4: Maintenance and Troubleshooting ............................................. 4-1
4.1 Maintenance and Troubleshooting Overview ............................................ 4-1
4.2 Recommended Tools List .......................................................................... 4-2
4.3 Signal Summary......................................................................................... 4-2
4.4 Power Summary......................................................................................... 4-3
4.5 Display Access........................................................................................... 4-3
4.6 Service and Diagnostics............................................................................. 4-4
Line Filter ........................................................................................... 4-4
Modules, Pixel Strips and Drivers ...................................................... 4-4
Controller............................................................................................ 4-6
Modem................................................................................................ 4-9
Fiber Board....................................................................................... 4-10
RS422 Surge Suppressor .................................................................. 4-11
Power Supplies ................................................................................. 4-14
4.7 Ventilation Systems ................................................................................. 4-14
4.8 Thermostats ............................................................................................. 4-15
4.9 Sign Maintenance .................................................................................... 4-15
4.10 Weather Stripping.................................................................................... 4-15
4.11 Troubleshooting....................................................................................... 4-16
4.12 Initial Operation Information................................................................... 4-17
4.13 Replacement Parts List ............................................................................ 4-18
4.14 Daktronics Exchange and Repair and Return Programs .......................... 4-19
Appendix A: Reference Drawings .....................................................................A-1
Appendix B: Signal Converter ...........................................................................B-1
Appendix C: Optional Temperature Sensor .....................................................C-1