Operational check – Daktronics C44 User Manual

Page 25

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2-11

Installation

Isolation Interface to Left Scoreboard Wiring List

Description

From (I/I)*

Cable

Specifications

Wire Color

To (Left

Scbd)

Function

TB15-1 Red

TB31-1

SIG1-P

TB15-2 Black

TB31-2

SIG1-N

Left Lane SCBD

TB15-3

Beldon 8760

(Dak W-1117)

Shield Not

Connected Earth

TB15-1 Red

Tip

SIG1-P

TB15-2 Black

Ring

SIG1-N

Left Lane Dial-in

Display

TB15-3

Beldon 8760

(Dak W-1117)

Shield Not

Connected Earth

*Isolation Interface

Isolation Interface to Right Scoreboard Wiring List

Description

From (I/I)*

Cable

Specifications

Wire Color

To (Right

Scbd)

Function

TB15-4 Red

TB31-1

SIG2-P

TB15-5 Black

TB31-2

SIG2-N

Right Lane SCBD

TB15-6

Beldon 8760

(Dak W-1117)

Shield Not

Connected Earth

TB15-4 Red

Tip

SIG2-P

TB15-5 Black

Ring

SIG2-N

Right Lane Dial-

In Display

TB15-6

Beldon 8760

(Dak W-1117)

Shield Not

Connected Earth

*Isolation Interface

2.9

Operational Check

Reference Drawing:

Printer Interface Assy. ................................................................. Drawing A-65810

C-44Start Line J-Box ................................................................... Drawing A-75431

Field Cabling; C-44 Timer ......................................................... Drawing B-114631

During the operational check, the final connections are made on the system and preliminary
tests are done to determine if all the equipment is working properly. First, the equipment in
the tower is checked, then the start line, the intermediate equipment, and finally, the finish
line.

Timer - Monitor - Keyboard - Isolation Interface

This section will cover the connection of the equipment in the tower. Refer to the system
diagram and cabling diagram for information on the items that connect to the C-44. Refer
to Drawing A-65810 to view the back panel of the C-44.

Connect the cable that came with the video monitor to the "VIDEO BOARD

(VIDEO 1)" port on the back of the C-44. The power switch is on the lower
right side of the monitor.

Connect the cable that came with the keyboard to the "KEYBOARD" port.

Plug the C-44 and the monitor into a tower outlet. Other equipment will be

connected as the system is turned on.

Make sure the timer and monitor are plugged in. Turn on the power to the C-44

and monitor. Check to be sure the green power LED lights up when turned on
and the fan in the rear of the console is moving air. Make sure a clear picture of

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