Daktronics Scoreboard Trumpet Horn - Manual (Page 9)

12 VDC Trumpet Horn Installation (LED) 3
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. Route the 2-pin horn plate harness to A3-J3 on the horn interface card, per Drawing
B-302328 and Drawing B-242731. If the harness doesn’t reach, connect the 2-pin to 2-
pin extension cable between the horn plate and the horn interface card as needed.
6. Close and secure the horn entrance panel.
7. To test the horn, power on the scoreboard and control console, and press HORN.
1.5 Compact Horn Replacement
Reference Drawings:
Assembly Drawing, 12V DC Compact Horn 120V or 240V ................. Drawing B-1063340
The compact horn is standard on certain scoreboards. Therefore, this section discusses the
replacement of an existing horn.
1. Locate the horn entrance panel and open it (see Section 1.2).
2. Unscrew the wiring nuts that connect the existing horn to the plate assembly.
3. Remove the #10 hardware securing the existing horn.
4. Cut the two-pin plug off the new horn and strip 5/32" of insulation from each wire.
Note: Remember what wire was connected to which pin of the plug!
5. Using the wiring nuts provided, connect the Pin 2 wire from the horn to the black
wire from the plate assembly. Connect the Pin 1 wire to the red wire.
6. Attach the new horn to the bracket using the #10 hardware.
7. Make wiring connections between the horn interface card, the horn plate assembly,
and the existing scoreboard driver per Drawing B-1063340.
8. Close and secure the horn entrance panel.
9. To test the horn, power on the scoreboard and control console, and press HORN.
1.6 Schematics
Reference Drawings:
Schematic, Outdoor SCBD 12VDC Trumpet Horn, AS5K ..................... Drawing A-128938
Schematic- Outdoor SCBD 12VDC Compact Horn ............................... Drawing A-198618
240V Horn Conversation Kit, for 12V Trumpet Assy. ............................ Drawing A-270554
Schematic, 240V OD SCBD 12VDC Trumpet Horn, AS5K ................... Drawing A-325028
Refer to the appropriate drawing above for detailed horn plate wiring schematics.