Daktronics AF-3090-89-R,A - Manual (Page 4)

Table of Contents ii
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 & Diagnostics.........................................................................................4-3
Line Filter ..........................................................................................................4-3
Modules, Pixel Strips & Drivers ..........................................................................4-3
Controller...........................................................................................................4-5
Modem ..............................................................................................................4-6
Fiber Board........................................................................................................4-7
Power Supplies...................................................................................................4-7
4.7 Optional Temperature Sensor Electrical Installation ..............................................4-8
4.8 Ventilation Systems ............................................................................................4-9
4.9 Thermostats .......................................................................................................4-9
4.10 Sign Maintenance...............................................................................................4-9
4.11 Weather Stripping............................................................................................. 4-10
4.12 Troubleshooting ............................................................................................... 4-11
4.13 Boot Up Initialization Information..................................................................... 4-12
4.14 Replacement Parts List...................................................................................... 4-12
4.15 Daktronics Exchange/Repair & Return Programs................................................ 4-13
Appendix A: Reference Drawings ..................................................................................... A-1
Appendix B: Signal Converter ...........................................................................................B-1