Daktronics CH-1421V - Manual (Page 3)

Table of Contents i
Table of Contents
1. Introduction .............................................................................................................1-1
1.1
How To Use This Manual ..........................................................................................1-1
1.2 Scoreboard Overview .................................................................................................1-1
2. Installation ...............................................................................................................2-1
2.1
General System...........................................................................................................2-1
2.2 General System...........................................................................................................2-1
2.3 Display Mounting.......................................................................................................2-2
2.4 Electrical Installation..................................................................................................2-3
2.4.1 Control Signal Wiring ...................................................................................2-3
2.4.2 Power Wiring ................................................................................................2-3
2.4.3 Grounding......................................................................................................2-3
3.
Maintenance & Troubleshooting............................................................................3-1
3.1
Lamp Replacement.....................................................................................................3-1
3.2 Lamp Driver ...............................................................................................................3-1
3.3 Digit Segmentation.....................................................................................................3-2
3.4 Schematic ...................................................................................................................3-2
3.5 Troubleshooting .........................................................................................................3-2
3.6 Replacement Parts ......................................................................................................3-3
3.7 Unit Exchange/Replacement Procedure .....................................................................3-3