Maintenance and Troubleshooting
9
4 Maintenance and Troubleshooting
Getting Started
1.
Turn off the breaker before performing any repair or maintenance work on the
displays. Disconnect power to the display if performing repair or maintenance.
2.
Only qualified service personnel should access internal display electronics.
3.
Daktronics engineering staff must approve any changes to the displays. If making
modifications to the displays, submit detailed drawings to the Daktronics engineering
staff for evaluation and approval or the warranty will be void.
4.
Take care when handling the display’s door to prevent injuries or damage, especially
in windy conditions.
Weather Stripping
To ensure a watertight display, Daktronics installed weather stripping around the face
panel. When replacing weather stripping, check for proper installation or water may leak
into the display and damage the components.
Accessing the Internal Components
To access the internal components of the display, a tubular key is needed (provided by
Daktronics).
To open the door and access the internal components:
1.
Release the door by turning the captive latches on the door using the tubular key
provided by Daktronics.
2.
Carefully lower the door. Linkages installed at each end will support the door when in
the open position.
Note:
Do not lean on or place extra weight on the open door.
Module Removal and Replacement
To remove and replace a module:
1.
Access the display interior using the steps outlined in
2.
Release the power cable to the module by squeezing the locking tab of the black
12-pin locking connector while pulling the plug free.
3.
Release the signal cable to the module by grasping the sides of the white 15-pin
connector while pulling the plug free.
4.
Using a
5
/
16
" nut driver, release the nuts securing the module panel to the door. Lift the
module panel away from the door.
5.
Using a
1
/
4
" nut driver, release the nuts securing the module to the module panel.
6.
Carefully lift the module out of the face panel.
Follow the previous steps in reverse order to attach a new module.