Daktronics AF-3300-12-RGB/20-R - Manual (Page 29)

Note: Power supplies are preset. Contact Daktronics Customer Service for the proper
settings.
5. Fans are located along the bottom of the display to draw in cool air, which
exits out through vents located in the face at the top of the display
Figure 20: Control Component Locations
4.4 Display Access
Daktronics Galaxy AF-3300 series displays are
front accessible; meaning access to the internal
components can be gained only from the front of the
display.
Maintenance and Troubleshooting
4-3
1. Locate the latch access fasteners on the
module (one is centered below the second
row of pixels and one is centered above the
bottom two rows)
2. With a 1 /
8
" Allen wrench, turn the latch
access fasteners a quarter turn as shown in
Figure 21 – on the 12 mm modules, one
latch turns clockwise and the other
counter-clockwise to open, and the reverse to close. On the 20 mm modules
turn both latches counter-clockwise to open and the reverse to close.
Figure 21: Removing a Module
3. Gently pull the module far enough forward to reach behind the back and
disconnect the power and ribbon cables
When installing a module, reverse the previous steps and take note of the following
points.
• The weather-stripping on the back edge of the module must be intact and in
good condition if it is to prevent water from seeping into the display