Daktronics MS-2113, Manual

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Troubleshooting
19
Horn
Reference Drawing:
Electrical Specifications- MS-2113 .................................................................. DWG-3275249
A 12 V buzzer horn is mounted in the upper-left corner of the front face panel (as viewed
from the front). DWG-3275249 in Appendix A shows the horn location from the front as
well as when accessing internal components from the rear. To replace a horn:
1� Open the back panel as described in Component Locations & Access (p.16) .
2� Disconnect the 2-pin cable from the horn.
3� Use a 7/16" wrench to remove the nut securing the horn to the horn mounting
bracket.
4� Reattach the new horn to the front face panel.
5� Connect the new 2-pin horn cable.
6� Close and secure the back panel, then power up the display and test the horn to
verify the issue has been resolved.
Note: The horn volume is set at maximum during manufacturing and is not adjustable.
Replacement Parts
The following table contains display components that may require replacement. Many of
the other components will have attached part number labels.
Description Part Number
12 VDC Horn Assembly 0A-1072-0023
8" Digit, Red, 7 segment 0A-1611-5103
16 Column Digit Driver 0A-1782-0100
Y-Harness; Scoreboard to MX-1 Interface Box 0A-2026-0006
Battery Monitor (Circuit Board) 0P-1192-0097
Battery; 12V, 28 A/H sealed lead-acid (Power Sonic Model PS12280) BT-1023
Battery Charger; dual 12 or 24V, 3 A (ChargePro Model 28210) BT-1053
Fuse, AGC-10, 10A, 250 V, glass tube F-1006
Fuse, MDL-1, 250V, glass tube F-1077
Washer, 5/8 flat HC-1846
Wheel Bolt, 5/8 -11 x 4” HC-3223756
Locking Pin HS-1207
Wheel, 10" x 3.5", 5/8" axle RA-3223755
Transformer, Pri; Dual 115/230V; sec: 16VCT @6.25A T-1066
Power cord, 360º rotating, 8' W-1181
Fuse holder X-1287
Refer to Section 7: Daktronics Exchange and Repair & Return Programs (p. 20) for
information on exchanging or returning parts.