Daktronics 4000 Series Digital Billboard - Manual (Page 14)

8 R emoving Modules from the Dis play
Figure 6: Module and Installed Module
3.3 R ear Acces s Doors
Required tools: Flat head screwdriver
The 4000 series digital billboards have hinged doors that are secured with two quarter-turn
latches. If the doors are obstructed, they can be lifted off the hinges for easy access. Refer to
Figure 4.
Note: If you remove a door and find there is no safe place to put it, use a safety lanyard to
keep the door from falling. Attach the lanyard to the door lanyard ring, and attach the other
end to a secure part of the display. Refer to Figure 5.
To access the back of the display:
1. With a flat head screwdriver, turn the quarter-turn latches counterclockwise.
2. If the door is obstructed, lift the door off the hinges.
a. Attach the safety lanyard to the door lanyard hook to prevent damage.
b. Pull the bottom of the display door away from the back of the display.
c. Carefully place the access door out of the way.
3.4 R emove and R eins tall a Module from the R ear of the Dis play
Required tools: 1 /
8
" hex wrench
If the module is unobstructed by display components, follow the procedures below. If a
display component is obstructing access to a module, refer to the display-specific manual for
procedures on removing display components to access modules.
Refer to Figure 6 for module terminology used in this section.