Daktronics SPORTSOUND 1500HD, Installation Manual

Page: 26 / 54

Troubleshooting
22
Amplifier Troubleshooting and Replacement
Tools Required: #2 Phillips screwdriver, flathead screwdriver
1� Remove one or more rear access doors using the flathead screwdriver.
2� Locate the defective amplifier:
a� Refer to System Testing (p�17) for basic amplifier troubleshooting, or refer
to the Sportsound Amplifier Field Guide (DD3318172) , available online at
www.daktronics.com/manuals , for more detailed troubleshooting procedures.
b� Once it has been determined that there is a defective amplifier, contact
Daktronics to order a replacement.
3� Verify the new amplifier is the correct
replacement for the defective amplifier.
Check the label ( Figure 26 ) on the new amplifier
to verify that the Part Number matches the table
below and that the Config matches the label on
the defective amplifier.
Product Legacy Amp Part # New Amp Part # Amplifier Label Quantity
2000HD
A-2538* A-3922601 AMP1 HFHF 1
A-2470*, A-2538* A-3922601 AMP2–AMP6 MFHF 5
A-2470*, A-2538* A-3922601 AMP7, AMP9 LFLF 2
A-2469*, A-2538* A-3922601 AMP8, AMP10 LF 2
* These amplifiers will be replaced by the corresponding new amplifier part number.
4� Remove the defective amplifier:
a� Use a #2 screwdriver to remove the machine screws securing the amplifier.
b� Carefully pull out on the amplifier, taking care not to break any cables inside the
cabinet. A flathead screwdriver may be needed to pry the amplifier loose.
c� Unplug all power and signal cables.
d� Unplug the 6-pin connector from the rear of the amplifier.
5� Install the new amplifier:
a� Verify existing weather stripping is present. If not, install new weather stripping.
b� Verify all wires are still connected to the 6-pin connector and plug it into the rear
of the amplifier.
c� Reconnect all power and signal cables.
d� Position the amplifier and use a #2 screwdriver to reinstall the machine screws.
Be careful to not over-tighten the screws or the plastic hood could crack.
6� Follow the Sportsound Amplifier Field Guide (DD3318172) to verify that the correct
firmware has been loaded by Daktronics Customer Service. All amplifiers present
should have the firmware verified and updated to the most current version available.
7� Refer to System Testing (p�17) to verify replacement amplifier is working correctly.
Figure 26: Amp Label