Daktronics AF-3112-34-R,A - Manual (Page 43)

Product
Board
LED Color Function Operation
DS1 Green +5V On when +5V power supply is functioning.
DS2 Green +3.3V On when +3.3V power supply is functioning.
DS3 Yellow COM1 TxD Flashes when transmitting serial information.
DS4 Yellow COM1 RxD Flashes when receiving serial information.
Temp/Light
Sensor
LED Color Function Operation
DS1 Green +5V On when +5V power supply is functioning.
DS2 Red Run A steady flash indicates the controller is running correctly.
Normal flash rate is about once a second. Flashes faster
when the sensor is transmitting temp or light information.
Modules and Drivers
Reference Drawings:
Schem, AF-3112-8-32X*****-34mm-Mono-PM ............ Drawing C-200002
The module and driver board are a single functional unit. The LED power supplies
are identified as assemblies.
• In displays with 2 red LEDs per pixel, each power supply unit controls up to
five modules.
• In displays with 3 amber LEDs per pixel, each power supply unit controls
up to five modules.
To remove a module, complete the following steps:
1. Locate the latch access fasteners on the front of the display. With a 5/32”
hex wrench turn the
latch fasteners a
quarter turn as shown
in Section 3.5 for
opening the display
front.
Figure 37: Removing a Module
2. Disconnect and label
the wires cables to the
module.
3. Remove the ten, 5/16”
nuts holding the
module to the face
panel and the louvers.
Gently pull the module
away from the face
panel.
4. When installing a
module, reverse the
previous steps.
Maintenance and Troubleshooting
4-7