Daktronics Galaxy AF-3500 Series Double Face - Manual (Page 26)

22 Parts Replacement
Notes:
• Weather stripping on the back edge of the module must be in good condition and returned to its
proper position to prevent water from entering the display.
• Module latches must be fully engaged to create a watertight seal around the edge of the module. The
module seats firmly against the display when the latches are fully engaged.
Controller Replacement
Tools required: 1 /
8
" hex wrench, 5 /
16
" nut
driver, and flathead screwdriver
Complete the following steps to replace a
controller in the display:
1. Turn off power to the display.
2. Remove the module directly in front
of the controller in the lower left area
of the display. Refer to
Figure 11 for
the location.
3. Loosen screws and remove the cover
in front of the controller.
4. Disconnect the power input.
5. Remove all power and signal
connections from the board. Label the
cables as they are removed to ensure
proper replacement.
6. Remove the six nuts holding the board
in place using a 5 /
16
" nut driver.
7. Take note of the rotary address on the
controller to ensure the address on the
replacement board is the same. See
Figure 20 and Figure 21.
8. Remove the memory storage card on the old controller and insert it into the new controller (refer to
the next sub-section for additional information).
Note: Never remove or replace the storage card while the controller has power.
9. To install the new controller, replace the six nuts holding it to the display back. Reconnect power and
signal cables. Turn on power, observing the boot-up sequence, and then note that the pixel in the
lower right corner shows power.
ADDRESS
UPPER LOWER
0
8
0
8
Light
Sensor
Input
Quick-Connect Input
CAN
Input
Memory
Storage
Card
Address
Switches
Ethernet
Input
Power
Input
Module
Outputs
Figure 20: Galaxy Controller