Daktronics BA-1518-11 Multi-Section Outdoor LED Scoreboard - Manual (Page 49)

Section 9: Team Name Message Center
Maintenance
IMPORTANT NOTES :
1. Disconnect power before doing any repair or maintenance work on
the scoreboard!
2. Permit only qualified service personnel to access internal display
electronics.
3. Disconnect power when the scoreboard is not in use.
9.1 Team Name Message Center System Overview
Team name message centers are available in two sizes: and 8x32 matrix model, comprised of four
8x8-pixel modules, and an 8x48 model, made up of six 8x8 modules. TNMCs are typically installed
in pairs. Light emitting diodes (LEDs) illuminate the displays.
The monochrome message centers feature an array of red LEDs, and they are capable of displaying
characters up to 10" high. Pixels on the 10" TNMC consist of a three-LED cluster.
Although TNMCs are customarily used for team names, they can display an type of caption.
Characters are shown on a single line, and either single- or double-stroke fonts may be used for the
caption or name.
9.2 Maintenance and Troubleshooting Overview
Standard Daktronics outdoor LED scoreboards are typically front-accessible, but some models may
be ordered with rear service access. Because of that, Daktronics team name message centers have
been designed so that they may be accessed from both the front and rear for easy maintenance and
repair of internal components.
This section provides the following TNMC information:
+ Signal Routing Summary: provides a basic explanation of the signal travel through the
TNMC display.
+ Power Routing Summary: provides a basic explanation of the power travel through the
display.
+ Service and Diagnostics: provides instructions for removing various display components and
explains the functions of circuit board connectors and the meaning of any diagnostic LEDs.
+ Maintenance: lists a number of steps to take to keep this Team Name Message Centers in
safe, working order.
+ Troubleshooting: lists possible display malfunctions and suggests a number of causes and
corrections for each malfunction.
TNMC Maintenance 9-1