Troubleshooting
16
Horn
A 12 V buzzer horn is mounted to the front face panel. To replace a horn:
1�
Open the front panel as described in
Component Locations and Access (p� 13)
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 front 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
16 Column Digit Driver
0A-1782-0100
Battery Monitor (Circuit Board)
0P-1192-0097
Colon, Amber
0P-1192-6279
5" Digit, Amber
0P-1192-6285
7" Digit, Red
0P-1192-1242
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-7, 7.5 A, 250 V glass tube
F-1031
Fuse, MDL-1, 250V, glass tube
F-1077
Transformer, Pri; Dual 115/230V; sec: 16VCT @6.25A
T-1066
Power cord, 360º rotating, 8'
W-1181
Cable, 20' phone plug
W-1236
Cable, 50' phone plug
W-1237
Cable, 30' phone plug
W-1238
Cable, 10' phone plug
W-1340
Fuse holder
X-1287
Section 6: Daktronics Exchange and Repair & Return Programs (p� 17)
information on exchanging or returning parts.