How to Replace a Daktronics Electronic Message Center Controller

​This video describes how to replace a controller found in all Daktronics Galaxy® and GalaxyPro® displays as well as others. Displays this video applies to are:
1. All Galaxy displays
2. All GalaxyPro displays
3. All Sports Star (SS) displays
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*Be sure to follow all safety precautions when servicing a Daktronics display.