Daktronics TI-2041, Руководство пользователя

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Maintenance & Troubleshooting
10
4 Maintenance & Troubleshooting
Disconnect power before doing any repair or maintenance work on the display�
Permit only qualified service personnel to access internal display electronics.
Disconnect power when not using the display�
Visual Structural Inspection
At least once a year, check the display to ensure the structure and components are in
good condition. Inspect the paint and cabinet for corrosion. Make sure fasteners are
tight. Tighten or replace as required.
Display Driver
Reference Drawings:
Specifications; Gyrus LED Driver, 16 Col ......................................................... DWG-3071833
The display driver has multiple jacks that receive and output power and signal. The driver
also features diagnostic LEDs that indicate whether it is functioning properly. These LEDs
can help pinpoint problems with driver setup or operation.
Refer to
Figure 12 for the locations of the primary driver jacks and LEDs, and see the
tables below for descriptions of their functions. For detailed descriptions and pin-outs of
the driver jacks, refer to DWG-3071833 .
Driver Jacks
J1 Output to Digit 1
J2 Output to Digit 2
J3 Output to Digit 3
J4 Output to Digit 4
J17 Power & Signal In
J18 (not used for pitch time displays)
J19 Legacy Address Jack
J21 Signal In from Radio Receiver
J24 Power Out to Fiber Card
LED Function Operation Summary
DS1
Radio/
RS-232 RX
Blinking or off
DS1 will be blinking when the driver is receiving radio
signal and off when there is no signal.
DS2 Status Blinking
DS2 will be blinking at one second intervals to indicate
the driver is running.
DS5 Signal RX Blinking or off
DS5 will be blinking when the driver is receiving current
loop signal and off when there is no signal.
DS8 Power Steady on DS8 will be on and steady to indicate driver has power.
In addition to the LED indicators on the driver, both the fiber receiver card (in the display)
and the fiber transmitter card (in the control location) have a single status LED. The
transmitter LED will be on if an All Sport is connected and powered up, and it will pulse
when data is transferred. The receiver LED will pulse when data is received.
H
L
0 1 2
3
4
5
6
7 8 9
A
B
C
D
E F
0 1 2
3
4
5
6
7 8 9
A
B
C
D
E F
J17
DS2
DS8
DS5
DS1
J24
J21
J19
J18
J1 J2
J3 J4
Figure 12: Driver Jacks & LEDs