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26

Scoreboard Troubleshooting

5.8 LED Drivers

The LED drivers perform the task of switching digits on and off within the scoreboard.
LED drivers are located inside of a driver enclosure. Refer to

to view the location

and components of a driver enclosure.

Figure 20:

Driver Enclosure Location & Components

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Summary of Contents for FB-2350 Series

Page 1: ...DAKTRONICS 1 800 325 8766 Fax 605 697 4700 Web www daktronics com Email helpdesk daktronics com FB 2350 Series Multi Section LED Football Scoreboards Display Manual ED 14129 Rev 4 4 August 2010 Model...

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Page 3: ...including photocopying taping or information storage and retrieval systems without written permission of the publisher All Sport and PanaView are trademarks of Daktronics Inc Other trademarks used in...

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Page 5: ...Grounding 15 Connection 15 4 3 Power On Self Test POST 18 Radio Settings 18 4 4 Signal Connection 18 Fiber Optic 19 Multiple Driver Connections 19 4 5 Power Signal Connections Between Sections 19 4 6...

Page 6: ...artup 35 6 3 TNMC Troubleshooting Table 36 6 4 Power Signal Summary 37 6 5 Component Locations Access 37 Front Access 38 Rear Access 38 6 6 TNMC Drivers 39 Diagnostic LEDs 39 Replacing a Driver 39 6 7...

Page 7: ...servicing Disconnect display power before servicing power supplies to avoid electrical shock Power supplies run on high voltage and may cause physical injury if touched while powered Do not modify the...

Page 8: ...n 5 13 use the label to order a replacement Figure 3 illustrates a typical label The part number is in bold Main Component Labels Part Type Part Number Individual circuit board 0P XXXX XXXX Assembly a...

Page 9: ...d backlit captions FB 2355 Includes all vinyl captions FB 2356 Includes all backlit captions Rear Access Models FB 2353 Includes TNMCs and vinyl captions FB 2354 Includes TNMCs and backlit captions FB...

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Page 11: ...coreboard Backlit captions use 15 watt 120 V AC florescent bulbs Model Options Number of Sections Dimensions Height Width Depth Weight Watts Amps 120 240 V AC Driver Address FB 2355 FB 2357 vinyl capt...

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Page 13: ...a professional engineer licensed to practice in the state of the scoreboard installation Note Daktronics does not assume any liability for any installation derived from the information provided in th...

Page 14: ...only Do not attempt to permanently support the display by the eyebolts If installers remove the eyebolts plug the holes with bolts and the rubber washers that are used with the eyebolts Apply silicone...

Page 15: ...holes in the upper and lower rear flanges of the scoreboard cabinet where the bolts will pass through 4 Place the 1 2 square nuts inside the C channel and thread the 1 2 13 rods through the C channel...

Page 16: ...isplay is mounted If any problems are noted take corrective action immediately 2 Bolt the clip angles to the rear of the scoreboard sections with hardware Refer to project specific shop drawings for e...

Page 17: ...ugh the C channel rear flange of the ad panel and spacer if used 5 Lift the ad panel into position with the rods still in place 6 With the threaded rod straddling the beams place mounting angles over...

Page 18: ...ing to help prevent damage to the scoreboard due to normal ball impacts Note Some users install devices to protect the scoreboard from projectiles Scoreboard protection devices not provided by Daktron...

Page 19: ...esponsibility of the electrical contractor to ensure that all electrical work meets or exceeds local and national codes Daktronics engineering staff must approve all changes or the warranty will be vo...

Page 20: ...tempt to install these displays or any of the electrical components Improper installation could result in serious damage to the equipment or injury to personnel Multi section outdoor scoreboards requi...

Page 21: ...graphs Installation with Ground and Neutral Conductors Provided For this type of installation the power circuit must contain an isolated earth ground conductor In this circumstance do not connect neut...

Page 22: ...perate the control console at the scoreboard for troubleshooting Daktronics recommends that an installation electrician provides a 120 V outlet close to the disconnect box specifically for this purpos...

Page 23: ...as follows neutral white wire to NEUT live wires to LINE 1 black and LINE 2 red ground wire green yellow to the grounding buss bar E41 7 Reattach the metal enclosure cover and secure the access panel...

Page 24: ...played in the clock digits during the POST These values must match the settings in the control console refer to the manual listed in Section 1 4 Refer to Section 5 9 for more information on radio inst...

Page 25: ...the lower statistics section Before the upper clock score section is mounted in place these cables must be routed through the entrance hole in the bottom channel of the upper section After the clock...

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Page 27: ...to fix the problem If a problem occurs that is not listed or that cannot be resolved using the solutions in the following table contact Daktronics using the information provided in Section 5 14 Proble...

Page 28: ...e if necessary Section 5 8 No power to driver Check that the green DS1 LED on the driver is always lit up when the scoreboard is powered on see Section 5 8 Scoreboard digits light but not in the corre...

Page 29: ...Wrong console controlling scoreboard Another console s radio signal could be transmitting to the scoreboard An example would be football and baseball scoreboards that are within 1500 feet of each othe...

Page 30: ...anel as shown in Figure 18 Do not attempt to remove individual LEDs In the case of a malfunctioning LED or digit segment replace the entire digit circuit board To replace a digit circuit board 1 Open...

Page 31: ...the segment off the standoff studs 4 Position a new segment over the screws and tighten the nuts 5 Reconnect the power signal connector Note This is a keyed connector and it will attach in one way onl...

Page 32: ...drivers perform the task of switching digits on and off within the scoreboard LED drivers are located inside of a driver enclosure Refer to Figure 20 to view the location and components of a driver en...

Page 33: ...s always disconnect scoreboard power before servicing Replacing a Driver 1 Open a digit or access panel as described in Section 5 2 2 Remove the metal cover from the driver enclosure 3 Disconnect all...

Page 34: ...river address using the J19 address plug is available This address is set with jumper wires in a 12 pin plug which mates with a jack on the driver Refer to Drawing A 115078 for a listing of the wire p...

Page 35: ...s must be changed For more information refer to the Gen V Radio Installation Manual ED 13831 available online at www daktronics com manuals 1 To locate the radio receiver look for the antenna on the...

Page 36: ...rumpet Horns For scoreboards that include clocks and have trumpet horns installed refer to the Trumpet Horn Installation Manual ED 10006 available online at www daktronics com manuals 5 11 Segmentatio...

Page 37: ...gnal 0A 1009 0038 J Box 1 4 Phone outdoor Signal 0A 1091 0227 12V DC trumpet horn AS5000 Outdoor 120 V Scoreboard 0A 1091 1213 12V DC trumpet horn AS5000 Outdoor 240 V Scoreboard 0A 1092 3455 Signal s...

Page 38: ...cs sends a replacement part to the customer who in turn returns the failed component to Daktronics This not only saves money but also decreases equipment downtime Customers who follow the program guid...

Page 39: ...nd invoice date Daktronics will credit the customer for the second invoice If after 2 weeks Daktronics has still not received the parts back the customer must pay the second invoice and will not be cr...

Page 40: ...Dock E Brookings SD 57006 Fax 605 697 4444 Daktronics Warranty and Limitation of Liability The Daktronics Warranty and Limitation of Liability is located in Appendix B The Warranty is independent of...

Page 41: ...cters are shown on one line using single or double stroke fonts up to 20 508 mm high Matrix Size of modules Pixel Spacing Active Display Area Weight 8x48 6 64 mm 2 5 20 x 120 508 mm x 3048 mm 100 lb 4...

Page 42: ...replace the ribbon cables on module Replace the module See Section 6 7 A section of the display not working section extends all the way to the right side of the display Check replace the ribbon cable...

Page 43: ...ng for the TNMC can be summarized as follows 1 Incoming power terminates at the terminal block in the scoreboard driver enclosure Using the same harness and J42 P43 connections as signal power is then...

Page 44: ...e TNMC by loosening the three bottom screws 2 Slide the access panel up to the larger part of the keyhole and carefully lift it out and then down away from the TNMC cabinet Note Be careful when removi...

Page 45: ...d to display messages other than team names Refer to Drawing A 115079 in Appendix A for addressing information Diagnostic LEDs The following table explains the functions of the primary diagnostic LEDs...

Page 46: ...mponents can be removed for service but Daktronics recommends that the module be kept intact and that the entire assembly be sent in for repair or replacement Replacing Modules 1 Follow the steps in t...

Page 47: ...dirt buildup that may interfere with airflow Water Intrusion Water stain marks Water can enter the display where weather stripping has come loose or deteriorated where fasteners have come loose allowi...

Page 48: ...0A 1192 2655 Power Supply 12 V 8 5 A 85 265 V AC A 1555 Red 8x8 2 5 LED Module Assembly 0A 1192 2673 Amber 8x8 2 5 LED Module Assembly 0A 1192 2674 Final Assembly 8X48 2 5 64 mm Red TNMC 0A 1192 2871...

Page 49: ...put as well as a radio receiver plugged into the power terminal block in the driver power enclosure and mounted internally to the front panel of the scoreboard For additional information about this op...

Page 50: ...keyholes Reverse this procedure to remove the caption panel The caption changer pole is extendable Loosen the ring tightener and extend the pole to the desired length and then tighten the ring before...

Page 51: ...O D LED 2 Drvr Display Drawing A 180637 Schematic 2 5 Red Org LED TNMC Gen III Drawing B 188553 Schematic 2 5 Amber LED TNMC Gen III Drawing B 190140 Installation Specifications FB 2350 Drawing A 1913...

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Page 60: ...E REV BY 04 01 FEB 13 RBN CORRECTED S1 PINOUT THE CONCEPTS EXPRESSED AND DETAILS SHOWN ON THIS DRAWING ARE CONFIDENTIAL AND PROPRIETARY DO NOT REPRODUCE BY ANY MEANS WITHOUT THE EXPRESSED WRITTEN CONS...

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Page 75: ...Daktronics Warranty and Limitation of Liability 47 Appendix B Daktronics Warranty and Limitation of Liability...

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Page 77: ...r any unapproved return Purchaser shall pay any upgraded or expedited transportation charges D Any replacement parts or Equipment will be new or serviceably used comparable in function and performance...

Page 78: ...be liable to Purchaser or any other party for loss damage or injury of any kind or nature arising out of or in connection with this Warranty in excess of the purchase price of the Equipment actually d...

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