Daktronics Galaxy AF-3165, Manual

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Maintenance and Troubleshooting 31
Section 4: Maintenance and Troubleshooting
Important Notes:

Power must be turned off before any repair or maintenance work is done on the
display.

Qualified service personnel must make any access to internal display electronics.

The Daktronics engineering staff must approve ANY changes made to the display.
Before altering the display, detailed drawings for the proposed modifications must be
submitted to the Daktronics engineering staff for evaluation and approval or the
warranty will be rendered null and void.
4.1 Maintenance and Troubleshooting Overview
Daktronics Galaxy series AF-3165 displays are front accessible; meaning access to the internal
components can be gained only from the front of the display.
This section provides the following Galaxy display information.

Signal Routing Summaries provide a basic explanation of the way signal travels through the
display.

Power Routing Summaries offer a basic explanation of the way power travels through the
display.

Service and Diagnostics give instructions for removing various display components and
explains the functions of circuit board connectors and the meanings of any diagnostic LEDs.

Maintenance includes a number of steps to take to keep this Galaxy display in safe, working
order.

Troubleshooting lists some possible display malfunctions and provides a number of possible
causes for that malfunction.

Replacement Parts List suggests the part description and part number of display components
that could possibly need replacing during the life of this display.

Exchange and Repair and Return Programs explain Daktronics component return policy.