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6.6 Schematics
Reference Drawing:
Schematic: TI-2021 120 or 240VAC..................................................... Drawing A-304812
Schematic and Harness; TI-2020 ......................................................... Drawing A-314313
For advanced display troubleshooting and repair, it may be necessary to consult the
schematic drawing. Drawing A-304812 and Drawing A-314313 in Appendix A show detailed
power and signal wiring diagrams of internal display components for the TI-2021 and
TI-2020, respectively.
6.7 Replacement Parts
Refer to the following table for Daktronics replacement parts.
Horn/capacitor assembly, 120 V AC
Driver, standalone timer (SAT), 8 col, LED
Digit, 10", 7-seg LED, red
Digit, 10", 7-seg LED, amber
Tripod, speaker stand type
Tripod adapter and mounting hardware kit
Transformer, 115/230 V pri; 16 V sec
Power cord, 90°, rotating 360°, 8'
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