Daktronics SPORTSOUND 2000HD, Installation Manual

Page: 25 / 54

Troubleshooting
21
Low-Frequency Driver (A-2306)
Tools Required: flathead screwdriver, 5/32
Allen wrench, 3/16 Allen wrench, utility knife,
silicone
1� Remove the left-most rear access door
using the flathead screwdriver.
2� Remove the internal speaker cabinet’s
back panel:
a� If there is a silicone seal, cut it with a
utility knife.
b� Remove all screws with 5/32 Allen
wrench.
c� If there is an amplifier connected
to the back panel, disconnect the
harness, and then pull the internal
cabinet panel off.
3� Identify bad driver(s) by following Driver
Troubleshooting (p�17) .
4� Remove the bad driver(s):
a� Disconnect wires, if not already done.
b� Remove 8 screws with the 3/16 Allen wrench.
c� Pull off the bad driver ( Figure 25 ).
5� Install replacement driver:
a� Align driver with screw holes.
b� Fasten 8 screws with 3/16 Allen wrench.
c� Reconnect wires, making sure positive and negative go to correct terminals.
6� Reinstall internal speaker cabinet’s back panel.
a� Align panel and fasten all screws with 5/32 Allen wrench.
b� Re-seal the perimeter with silicone, if it was cut.
7� Reinstall rear access door.
8� Test the system to verify it is operating correctly per System Testing (p�17) .
Note: For 2000HD cabinets manufactured prior to April 2014, the low frequency drivers
must be replaced from the front; there are no internal back panels to access the
drivers from the rear.
Figure 25: A-2306 Removal