Daktronics Valo Digital Billboard - Manual (Page 9)

Section 1: Introduction
This manual provides service and maintenance information for Valo ® digital billboards. To ensure
optimal display life, take time to read and understand the information in this manual.
1.1 About This Manual
This manual is divided into seven sections:
• Introduction: Explains basic information needed to use this manual.
• Display Identification: Explains differences between series displays.
• Display Troubleshooting: Explains basic troubleshooting steps.
• Removing Modules from the Display: Explains the various ways of removing
modules from a display.
• Replacing Display Components: Explains how to replace display components.
• Routine Maintenance: Explains recommended guidelines for service calls and
annual maintenance checks.
• Power and Signal Testing: Explains how to test power and signal.
At the end of this manual are a glossary and two appendices:
• Glossary: Defines various terms.
• Appendix A: Supplementary Material: Contains retrofit kit drawings, checklists,
technical service bulletins, and quick guides referenced throughout the manual.
• Appendix B: Daktronics Warranty and Limitation Liability: Provides information
on warranty and liability.
Figure 1 illustrates a Daktronics drawing label. The
drawing number is located in the lower-right corner
of a drawing. This manual refers to drawings by
listing the last set of digits and the letter preceding
them. In the example, the drawing would be
referred to as Drawing A-69945.
Figure 1: Daktronics Drawing Label
All references to drawing numbers, appendices, figures, or other manuals are presented in
bold typeface, as shown above.
Introduction 1