Daktronics AF-3300-12-RGB/20-R - Manual (Page 8)

All references to drawing numbers, appendices, figures, or other manuals are presented in
bold typeface, as shown below.
“Refer to Drawing B-222544 in Appendix A for the display power requirements.”
Additionally, drawings referenced in a particular section are listed at the beginning of that
section as seen in the following example:
Reference Drawing:
Shop Dwg, AF-3300-48x34-12-RGB, 32x80-20-R ......... Drawing B-222544
Daktronics displays are built for long life and require little maintenance. However, from time
to time, certain display components will need replacing. The Replacement Parts List in
Section 4.12 provides the names and numbers of components that may need to be ordered
during the life of the display. Most display components have a white label that lists the part
number. The component part number is in the following format: 0P-_ _ _ _-_ _ _ _
(component) or 0A-_ _ _ _-_ _ _ _ (multi-component assembly).
Following the Replacement Parts List is the Daktronics Exchange and Repair and
Return Programs in Section 4.13. Refer to these instructions if any display component needs
replacement or repair.
1.1 Safety Precautions
Important Safeguards:
1. Read and understand these instructions before installing
2. Be sure the display and external signal enclosures are properly grounded
with an earth ground electrode at the display
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
Note: This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses,
and can radiate radio frequency energy and, if not installed and used in accordance
with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause
harmful interference. In such cases, the user will be required to correct the
interference at their own expense.
Modifications not expressly approved by the manufacturer could void the user's
authority to operate the equipment under FCC rules.
1-2 Introduction