Daktronics AF-3090-89-R,A - Manual (Page 6)

Introduction
1-1
Section 1: Introduction
1.1 How to Use This Manual
This manual explains the installation, maintenance and troubleshooting of the 89 mm AF-3090 Galaxy
signs. For questions regarding the safety, installation, operation or service of this system, please refer
to the telephone numbers listed on the cover page of this manual.
Important Safeguards:
1. Read and understand these instructions before installing.
2. Properly ground the display with a ground rod for each face, at the display location.
3. Disconnect power when servicing the display.
4. Do not modify the display structure or attach any panels or coverings to the display without the
written consent of Daktronics, Inc.
The manual contains four sections: Introduction, Mechanical Installation, Electrical Installation, and
Maintenance & Troubleshooting.
• Introduction covers the basic information needed to make the most of the rest of this manual.
Take time to read the entire introduction as it defines terms and explains concepts used throughout
the manual.
• Mechanical Installation provides general guidance on sign mounting.
• Electrical Installation provides general guidance on terminating power and signal cable at the
sign.
• Maintenance & Troubleshooting addresses such topics as removing basic sign components,
troubleshooting the sign, performing general maintenance and exchanging sign components.
The end of this manual contains three appendices:
• Appendix A includes the drawings referenced in this manual
• Appendix B contains information on the signal converter
Daktronics identifies manuals by an ED number located on the cover page of each manual. For
example, Daktronics refers to this manual as ED-13288.
Daktronics, commonly uses a number of drawing types, along with the information that each provides.
This manual might not contain all these drawings.
• System Riser Diagrams: overall system layout from control computer to sign, power and phase
requirements.
• Shop Drawings: fan locations, mounting information, power and signal entrance points and
access method (front and rear).
• Schematics: power and signal wiring for various components.
• Display Assembly: locations of critical internal sign components such as power supply
assemblies, controller boards, thermostats and light detectors.
Figure 1 illustrates Daktronics drawing label. The lower-right corner of the drawing contains the
drawing number. The manual identifies the drawings by listing the last set of digits and the letter
preceding them. In the example below, the manual refers to the drawing as Drawing A-69945.
Appendix A contains all reference drawings.