Daktronics 4000 Series Digital Billboard - Manual (Page 5)

Table of Contents
Section 1: Introduction ................................................................................................................. 1
1.1 About this Manual .................................................................................................................. 1
1.2 4000 Series Digital Billboard Overview ............................................................................... 2
1.3 Spare Parts List ........................................................................................................................ 3
Section 2: Display Troubleshooting ............................................................................................ 5
Section 3: Removing Modules from the Display ........................................................................ 7
3.1 Important Note on Signal and Power Cables ...................................................................... 7
3.2 Proper Seating of SATA and Power Cables ........................................................................ 7
3.3 Rear Access Doors ................................................................................................................... 8
3.4 Remove and Reinstall a Module from the Rear of the Display ........................................ 8
3.5 Remove and Reinstall a Module from the Front of the Display ..................................... 12
3.6 Module Status Indicators ..................................................................................................... 13
3.7 Self Test a Module ................................................................................................................. 14
Section 4: Replacing Display Components ............................................................................... 15
4.1 Photocell ................................................................................................................................. 15
4.2 ProLink Router (PLR) ........................................................................................................... 16
4.3 Power Supply ........................................................................................................................ 17
4.4 Filter ........................................................................................................................................ 17
4.5 Fan ........................................................................................................................................... 18
4.6 Webcam .................................................................................................................................. 18
Section 5: Routine Maintenance ................................................................................................ 21
5.1 Inspecting a Display ............................................................................................................. 21
5.2 Restarting a Display .............................................................................................................. 21
5.3 Cleaning the Webcam Lens ................................................................................................. 22
5.4 Fan Operation ........................................................................................................................ 22
Section 6: Service Call ................................................................................................................ 23
6.1 Service Instructions ............................................................................................................... 23
Section 7: Annual Maintenance Checks .................................................................................... 25
7.1 Service Instructions ............................................................................................................... 25
7.2 Cleaning a Display Face ....................................................................................................... 27