Daktronics AF-3180-64-R,A - Manual (Page 4)

Table of Contents ii
4.1 Maintenance and Troubleshooting Overview ............................................ 4-1
4.2 Recommended Tools List .......................................................................... 4-1
4.3 Signal Summary......................................................................................... 4-2
4.4 Power Summary......................................................................................... 4-2
4.5 Display Access........................................................................................... 4-2
4.6 Service and Diagnostics............................................................................. 4-3
Line Filter .................................................................................................. 4-3
Modules and Drivers.................................................................................. 4-4
Controller................................................................................................... 4-5
Modem....................................................................................................... 4-8
Fiber Board ................................................................................................ 4-9
RS422 Surge Suppressor ........................................................................... 4-9
Power Supplies ........................................................................................ 4-11
4.7 Ventilation Systems ................................................................................. 4-12
4.8 Thermostats ............................................................................................. 4-12
4.9 Sign Maintenance .................................................................................... 4-12
4.10 Weather Stripping.................................................................................... 4-13
4.11 Troubleshooting....................................................................................... 4-13
4.12 Initial Operation Information................................................................... 4-14
4.13 Replacement Parts List ............................................................................ 4-14
4.14 Daktronics Exchange and Repair and Return Programs .......................... 4-15
Appendix A: Reference Drawings .....................................................................A-1
Appendix B: Signal Converter ...........................................................................B-1