Daktronics TI-2025, Руководство пользователя

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Troubleshooting
4
3 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�
Troubleshooting Table
The table below lists potential problems with the display and indicates possible
causes and corrective actions. This list does not include every symptom that may be
encountered, but it does present several of the most common situations that may occur.
Problem Possible Cause Solution/Items to Check
Display does not light,
and console does not
work
No power to the display
Flip power switch ON .
Check that the display has 120 VAC power.
No power to console
Ensure the console is plugged into the J31
jack.
Exchange the console with a working one,
and enter the correct sport code to test.
Replace if necessary.
Display digits do not
light, but console works
No wired signal from
control console
Check that the display is receiving 120 VAC
or battery power.
No radio signal from
control console
Check the receiver (display) and
transmitter (console) radio settings.
Move the console 20–30' (6–9 m) from
the display and test again. Verify that the
display antenna is securely tightened and
in a vertical position.
Replace the radio receiver.
Display digits light, but
not in the correct order
Incorrect sport code
Ensure the correct sport code is being used
for the display model. Refer to the All Sport
100 operation manual ( ED-13432 ).
Incorrect driver address
Check that the display driver is set to the
correct address.
Digits light, console
works, but nothing
displays
No wired signal from
control console
(see solution above)
No radio signal from
control console
(see solution above)
Display works, but some
LEDs always stay on
Bad digit
Exchange the digit with a working one
of the same part # to verify the problem.
Replace if necessary. See Replacing Digits
(p�5) .
Display works, but some
LEDs do not light or they
blink
Bad connection
Verify the connector on the back of the
digit circuit board is secure. See Replacing
Digits (p�5) .
Bad digit (see solution above)
Display works, but some
digits do not light
Bad digit (see solution above)
Incorrect sport code (see solution above)
Incorrect driver address (see solution above)