Daktronics SPORTSOUND 2000HD, Руководство по установке

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Troubleshooting
19
Driver Replacement
High-Frequency Driver (A-2302)
Tools Required: flathead screwdriver, #2 screwdriver,
10mm wrench, utility knife, silicone
1� Remove the right-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 #2 screwdriver.
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 4 threaded studs with the 10mm wrench.
c� Pull off the bad driver ( Figure 23 ).
5� Install replacement driver:
a� Hand tighten shorter threaded end of studs into driver.
b� Align driver with screw holes.
c� Fasten nuts to 4 threaded studs with 10mm wrench.
d� 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 #2 screwdriver.
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) .
Figure 23: A-2302 Removal