9-2 TNMC
Maintenance
9.2 Maintenance and Troubleshooting Overview
Standard Daktronics outdoor LED scoreboards typically are front-accessible, but
some models may be ordered with rear service access. For that reason, 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 signal travel
through the TNMC display.
Power routing summary:
provides a basic explanation of power travel
through the display.
Service and diagnostics:
provides instructions for removing various
display components and explains the functions of circuit board connectors
as well as the meanings of diagnostic LEDs.
Maintenance:
lists a number of steps to take to keep the team name
message centers in safe, working order.
Troubleshooting:
lists possible display malfunctions and suggests a
number of causes and corrections for each malfunction.
Replacement parts list:
includes the part description and number of
display components that may have to be replaced during the life of this
display.
9.3 Signal
Summary
Reference Drawings:
Schematic, Red LED TNMC, Gen III...........................
Drawing A-187661
Schematic; Amber LED TNMC, Gen III.......................
Drawing A-187662
Component Locations; 832/842
Red/Amb TNMC, G-3............................................
Drawing A-187987
Use these reference drawings after 11/29/05
Schematic, Amber TNMC, Gen IV ..............................
Drawing A-252645
Schematic, Red TNMC, Gen IV ..................................
Drawing A-252681
Component Locations; 832/848
Red/Amb Led TNMC, G-4.....................................
Drawing A-257029
Refer to your schematic,
A-187661
or
A-187662 (or A-252645 or A-252681 for
GEN 4)
, for complete information on TNMC signal routing.
Drawing A-187987 (or
A-257029 for GEN 4)
indicates the locations of the internal electronic components.
From signal input from the All Sport controller, routing can be summarized as
follows:
1.
Data from the display controller travels via cable harness into the
scoreboard.
Summary of Contents for BA-1018
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Page 211: ...Eyebolts B 1 Appendix B Eyebolts Eyebolts ED 7244 ...
Page 214: ...Appendix C C 1 ...