Daktronics AB-1600-1.5,2.5 - Manual (Page 25)

Electrical Installation
3-1
Section 3 : Electrical Installation
Appendix C contains two copies of the Installation Quality Checklist. It covers both mechanical and
electrical installation. This form is intended to assist in display installation and assure dependable
operation. Be sure to complete every item on the checklist. Following installation, return one copy to
Daktronics Customer Service to receive a free set of replacement air filters. Contact Daktronics
Customer Service if any product quality questions or concerns should arise.
3.1 Common Connectors
Many different types of connectors are used for power and signal termination in this display. Take
special care when disengaging any connector so as not to damage the connector, the cable or the
circuit board.
When pulling a connector plug from a jack, do not pull on the wire or cable; pull on the jack
itself. Pulling on the wires may damage the connector.
The following information presents some common connectors encountered during display maintenance.
These include, ribbon cable connectors, Mate-n-Lok

connectors, Phoenix

-style connectors, fiber
optic connectors, termination panels and termination blocks, and tab connectors. Not all of these
connectors are found in every display.
1. Ribbon Cable Connectors:
Daktronics uses a variety of ribbon cables and ribbon cable connectors as
seen in Figure 22.
Before replacing a ribbon cable connector, spray it with DeoxIT
™
contact
cleaner to remove any foreign matter that may cause signal problems. In
addition, a generous amount of CaiLube
™
protector paste should be applied
to the plug before it is inserted into the jack. This paste will protect both the
plug and the jack from corrosion. Both the DeoxIT and the CaiLube are in
the tool kit accessories package included with this display. Refer to the
Replacement Parts Lists in Sections 4.19 and 4.20 if needing additional
supplies of either.
2. Fiber Optic Connectors:
At each end of a fiber optic cable is a “twist-on” connector. To
remove the fiber plug from its jack, push it toward the jack and
twist it counter-clockwise until the plug can be pulled free. A
common type of fiber optic connector is illustrated in Figure 23.
Figure 22: Ribbon
Cable Connector
Figure 23: Fiber Optic
Connector