Daktronics AB-1600-1.5,2.5 - Manual (Page 4)

ii Table of Contents
Section 4: Maintenance & Troubleshooting................................................................ 4-1
4.1 Maintenance & Troubleshooting Overview............................................................... 4-1
4.2 Operational Summary ................................................................................................ 4-2
Power Summary......................................................................................................... 4-2
Signal Summary......................................................................................................... 4-3
Ventilation & Temperature Sensing Summary .......................................................... 4-5
4.3 Servicing of Display Components ............................................................................. 4-6
Lenses ........................................................................................................................ 4-7
Lamps......................................................................................................................... 4-8
Lens/Reflector Assemblies ........................................................................................ 4-9
Lampbanks............................................................................................................... 4-11
Vertical Shift Boards ............................................................................................... 4-12
Fans.......................................................................................................................... 4-13
Filters ....................................................................................................................... 4-14
Transformers ............................................................................................................ 4-15
Additional Venus 1500 System Components .......................................................... 4-15
Additional Venus 4600 System Components (Serial Line Interface) ...................... 4-19
4.4 Display Maintenance ............................................................................................... 4-20
4.5 Lamp Testing & Maintenance ................................................................................. 4-20
4.6 Lens/Reflector Assembly Maintenance ................................................................... 4-21
Weather Stripping Maintenance .............................................................................. 4-22
Louver Maintenance ................................................................................................ 4-22
4.7 Filter Maintenance ................................................................................................... 4-24
4.8 Fan Maintenance...................................................................................................... 4-24
4.9 Interior Maintenance................................................................................................ 4-25
4.10 Structural Maintenance & Inspection ...................................................................... 4-25
4.11 Periodic Line and Lamp Voltage Checks ................................................................ 4-26
4.12 Cleaning the Signal Connectors............................................................................... 4-26
4.13 FCC Modem Notice................................................................................................. 4-26
4.14 Troubleshooting ....................................................................................................... 4-27
4.15 Replacement Parts List ............................................................................................ 4-28
4.16 Daktronics Exchange/Repair & Return Programs ................................................... 4-29
Appendix A: Project Specific Drawings.............................................................. A-1
Appendix B: General Drawings ........................................................................... B-1
Appendix C: Forms & Report............................................................................... C-1