Daktronics Scoreboard Trumpet Horn - Manual (Page 16)

10 12 VDC Trumpet Horn Installation (Incandescent)
4.4 Horn Preparation
Reference Drawings:
Horn Assembly ...................................................................................... Drawing A-320004
1. Insert bushings into the appropriate 3 /
8
" holes in the mounting angle.
2. Thread the two wires from the horn through the top of the mounting angle.
3. Attach the horn to the mounting angle using the #10 hardware provided.
4. Thread the two wires through the
3 /
8
" hole in the rear of the mounting angle.
4.5 Horn Installation
Reference Drawings:
Template, Hole Drilling, Trumpet Horn .................................................... Drawing A-83502
F.Assy; Incandescent, 12V DC Horn Mounting ....................................... Drawing A-83333
1. Locate the horn entrance panel (see Section 4.2). There should be a 2" knockout on
this panel. Remove this knockout. If the knockout has not been provided, use
Drawing A-83502 as a guide to drill one
3 /
8
" hole and two 7 /
32
" holes in the panel.
Note 1: Be careful not to damage any internal components when drilling!
Note 2: The knockout may have been removed at the factory.
2. Thread the two gray wires from the horn through the knockout (or 3 /
8
" hole) in the
scoreboard access panel.
3. Place horn/angle bracket assembly over the 2" knockout and 7 /
32
" holes in the front
panel of the scoreboard and attach using #10 hardware provided.
4. Using the wiring nuts provided, connect one gray wire from the horn to the black
wire from the plate assembly. Connect the other gray wire to the red wire.
5. Make wiring connections between the horn plate assembly and the existing
scoreboard driver per Drawing A-83333.
Note: A 2-pin to 4-pin adapter harness may be needed to connect new horn assembly
to scoreboards built prior to April 2006.
6. Close and secure the horn entrance panel.
7. To test the horn, power on the scoreboard and control console, and press HORN.
4.6 Schematics
Reference Drawings:
Schematic, Football Trumpet Horn .......................................................... Drawing A-83329