Daktronics DF-1050/1051/1052/1053 - Manual (Page 34)

Maintenance and
Troubleshooting
4-6
Cannot communicate with display
using the signal converter
• Check power to the signal converter and
display
• Check connections between signal
converter and display
• Check serial cable from computer to signal
converter
• Check use of the software
Garbled display.
• Control console malfunction
• Internal LED driver malfunction
Digit will not light.
• Black wire to the digit is broken
• Poor contact at driver connector
• Driver malfunction
Segment will not light.
• Driver malfunction
• Broken wire between LED driver and digit
• Poor contact at driver connector
Segment stays lit.
• Driver malfunction
• Short circuit on the digit
Data appears in the wrong place on
the display/ Wrong data on a particular
line of the display
• Incorrect address on drivers (consult table
to set correct address)
• Incorrect wiring between displays
4.5 Replacement Parts
To prevent loss due to theft, Daktronics recommends purchasing a lockable cabinet
to store manuals and replacement/spare parts.
Following is a list of parts used in the Daktronics parking displays:
Description
Daktronics Part
Number
Driver, 4-col MASC LED, DC 0P-1192-0068
Power supply, 24 V, 150 W A-1720
Power supply, 12 V, 30 W A-1498
Signal Converter, 120V, CL output 0A-1065-0173
Signal Converter, 120V, CL out, w/Fiber 0A-1065-0174
Switch box, outdoor rated 0A-1279-0403
Light Sensor assembly 0A-1279-0203
Digit, 5" red LED, 7-seg, G3, 12V 0P-1192-0263
Digit, 5" amber LED, 7-seg, G3, 12V 0P-1192-0264
Digit, 7" red LED, 7-seg, G3 0P-1192-0242
Digit, 7" amber LED, 7-seg, G3 0P-1192-0243
Digit, 10" red LED, 7-seg, G3 (Model DF-1050) 0P-1192-0251
Digit, 10" amber LED, 7-seg, G3 (Model DF-1050) 0P-1192-0252
Digit, 10" red LED, 7-seg, 2 row, 24 V, G3
(Model
DF-1051-10)
0P-1192-0255