Daktronics MS-2013 Portable LED Scoreboard - Manual (Page 29)

Scoreboard Troubleshooting 23
Important Notes:
 During service, do not allow the battery terminals to touch any metal surface.
When reinstalling, make sure the terminal wires are connected correctly.
Improper connection may result in injury or damage to scoreboard components.
 The batteries in these products contain lead. Do not dispose of the batteries in a
municipal waste system at the end of their useful life. Doing so may be a violation of
local, state, or federal environmental regulations. Please return the batteries to a
battery recycling center or battery retailer.
6.6 Horn
Reference Drawing:
Electrical Specifications, MS-2013 ........................................................................ A-159887
A 12 V buzzer horn is mounted in the upper-left
corner of the front face panel (as viewed from the
front). Drawing A-159887 in Appendix A shows
the horn location from the front as well as when
accessing internal components from the rear.
To replace a horn, simply disconnect the cable
running to it, and then remove the single nut and
washer holding the horn to the mounting bracket
(Figure 12).
Note: The horn volume is set at maximum during manufacturing and is not adjustable.
6.7 Replacement Parts
Refer to the following table for standard and optional replacement parts.
Description Daktronics Part No.
12 VDC Horn Assembly 0A-1072-0023
Driver, 16-col outdoor LED 0A-1782-0100
Battery Monitor (Circuit Board) 0P-1192-0097
Digit, 10" red, 7-segment 0P-1192-0251
Battery; 12V, 28 A/H sealed lead-acid (Panasonic Model LC-X1228P) BT-1023
Battery Charger; dual 12 or 24V, 3 A (Guest ChargePro Model 2607) BT-1022
Fuse, AGC-10, 10A, 250 V glass tube F-1006
Fuse, MDL-7, 7.5 A, 250 V glass tube F-1031
Washer, ½ flat HC-1095
Wheel Bolt, ½ - 13 x 3 ½” HC-1363
Wheel, 10x1.75, semi-pneumatic, 1/2" axle RA-1007
Transformer, sec. 24 V @4A, pri. 115/230V, 50/60 Hz T-1043
Power cord, 360º rotating, 8' W-1181
Fuse holder X-1287
Figure 12: Horn Mounting Detail, Side View