Daktronics SPORTSOUND 1500HD GEN II, Installation Manual

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Troubleshooting
16
6 Troubleshooting
This section lists potential problems with the system, indicates possible causes, and
suggests corrective action. This list does not include every possible problem, but it does
represent some of the more common situations that may occur.
Note: Be sure to power on the audio control rack, fiber conversion box, and cabinet
breakers. Make sure all connections from source to the cabinet are intact.
Symptom/Condition Possible Cause Solution/Items to Check
No power to audio cabinet;
green indicator light is off on
bottom of control enclosure
Breaker is off at sign Turn breaker ON.
Bad power supply
Order a new power supply
(part # A-5099220).
No audio from cabinet, but
signal can be heard through
headphones or a monitor
speaker
No power at cabinet Turn breaker ON.
Fiber conversion box is
unplugged from wall outlet or
cable to audio control rack
Plug in fiber conversion box
power/signal.
Analog signal out of the
mixer is not being correctly
converted to a digital signal
Set the fiber box ANALOG
BACKUP switch to ANALOG
and see if problem goes away.
No fiber connection to
cabinet; fiber link down
Verify the fiber port on the
network switch/media
converter LINK light is orange
and ACT light blinks green.
Swap TX-RX fibers to fix link.
Replace fiber splice, repair
fiber termination/cable.
Isolation transformer failure
(ANALOG BACKUP enabled)
Check the isolation transformer
in the control enclosure. Refer
to the Isolation Transformer
Troubleshooting Guide
(DD3417357) , located online at
www.daktronics.com/manuals .
Muffled audio from cabinet
(but clear though headphones
or a monitor speaker)
Bad digital connection
Open Dante controller and
check for errors.
Bad driver or amplifier Replace driver or amplifier.
Weak (low level) audio from
cabinet
Low level source
Ensure output from the mixer is
professional line level.
Analog signal out of the
mixer is not being correctly
converted to a digital signal
Set the fiber box ANALOG
BACKUP switch to ANALOG
and see if problem goes away.