Daktronics Galaxy AF-3080 Series, Display Manual

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Section 4: Maintenance and
Troubleshooting
Important Notes:
1. Disconnect power before performing any repairs or
maintenance work on the sign .
2. Only qualified service personnel may access internal sign
electronics .
3. The Daktronics engineering staff must approve ANY
changes made to the sign. Before altering the sign, you
must submit to the Daktronics engineering staff detailed
drawings for the proposed modifications for evaluation
and approval or you will void the warranty
.
4.1 Maintenance and Troubleshooting Overview
Daktronics Galaxy series AF-3080 signs are front accessible, so you can only access
the internal components from the front of the sign.
This section provides the following Galaxy sign information:
•
Recommended Tools List provides a listing of all tools needed in order to
perform maintenance work on your display
•
Signal Routing Summaries give a basic explanation of the signal travel
through the sign.
•
Power Routing Summaries offer a basic explanation of the power travel
through the sign.
•
Service and Diagnostics provide instructions for removing various sign
components and explain the functions of circuit board connectors and the
meanings of any diagnostic LEDs.
•
Maintenance describes a number of steps to take to keep this Galaxy sign
in safe, working order.
•
Troubleshooting provides some possible sign malfunctions and provides a
number of possible causes for that malfunction.
•
Replacement Parts List includes the description and part number of sign
components that could possibly need replacing during the life of this sign.
•
Daktronics Exchange and Repair and Return Programs explain the
Daktronics component return policy.
4.2 Recommended Tools List
When performing maintenance work on your display, Daktronics recommends using
the following tools and placing them in a convenient, easy-access location.
a
1/8" Allen wrench removes modules in front access displays
a
7/16" Wrench removes support hardware for power supplies
a
#2 Phillips Screwdriver removes support hardware for power supplies and
detaches power supplies
Maintenance and Troubleshooting
4-1