Daktronics 4200 Series Service Manual Download Page 1

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4200 Series

Digital Billboard

Service Manual

DD2323809

Rev 2 – 11 November 2012

201 Daktronics Dr. PO Box 5128 Brookings SD 57006
Tel 866-343-3122 Fax 605-697-4700
www.daktronics.com

Summary of Contents for 4200 Series

Page 1: ...4200 Series Digital Billboard Service Manual DD2323809 Rev 2 11 November 2012 201 Daktronics Dr PO Box 5128 Brookings SD 57006 Tel 866 343 3122 Fax 605 697 4700 www daktronics com ...

Page 2: ...ration of this manual the publisher assumes no responsibility for errors or omissions No part of this book covered by the copyrights hereon may be reproduced or copied in any form or by any means graphic electronic or mechanical including photocopying taping or information storage and retrieval systems without written permission of the publisher ...

Page 3: ...t Access 11 Section 5 Module Testing and Removal 13 5 1 Module Lanyard Attachment 13 5 2 Removing a Module from the Display Face Front Access 13 5 3 Reinstalling the Module Front Access 13 5 4 Removing a Module Rear Access 14 5 5 Removing a Module from the Bottom Row of a Section Rear Access 14 5 6 Removing a Module from Behind a Term Panel Rear Access 15 5 7 Reinstalling a Module Rear Access 15 5...

Page 4: ...losure Filter 23 Replacing the Router 23 Replacing the Network Switch 23 Replacing the POE Injector 23 Replacing the SmartLinkTM 24 Replacing the Z Filter 24 Replacing the Heater 24 Replacing the Fan 25 Section 8 Multi Direction Light Sensor Testing and Replacement 27 8 1 Troubleshooting Multi Direction Light Sensor MDLS Issues 27 8 2 MDLS Testing 27 8 3 Replacing the MDLS 28 Section 9 Webcam Acce...

Page 5: ...Release a device that holds the module firmly to the display frame There are two per module one on the top and one on the bottom Light Emitting Diode LED low energy high intensity lighting unit Line Filter a device that alternates electromagnetic interference that might disrupt local communication channels and internal equipment operation Louver a black plastic shade positioned horizontally above ...

Page 6: ...le to 3 Pin Female Cable W 2510 1 5 Field Replaceable Units The table below lists component names and part numbers of components that can be replaced in the display and the control system Some of these components may be located in the spare parts box Contact the ASM to order components when needed Display FRUs Control System FRUs Description Daktronics Part Number Description Daktronics Part Numbe...

Page 7: ...riser drawings for component locations on your display 2 1 Display Control System Flow Overview Figure 2 shows the location of the ISP enclosure DMP 8065 and the SmartLinkTM power control device The control system bay or components may vary slightly by display Refer to project specific drawings for your display control location signal path and power path Figure 2 4200 Series Control Components ...

Page 8: ...s In most cases the module power path follows the signal path Figure 3 shows a basic overview of what the power system looks like in an individual display section Power to the display section enters into the termination panel and is redistributed to the power supplies Refer to the layout drawing for display specific power distribution Figure 3 Poster Power Example Display and Control Overview ...

Page 9: ...on The PLR then sends the signal to the first module in the section From that module the signal is then sent to the other modules in the section The PLR not only sends signal to the first module in the chain but also receives signal from the last module in the chain and creates a redundant signal path Even Module High Section Signal Path Odd Module High Section Signal Path Figure 4 Even Tall Secti...

Page 10: ...6 Display and Control Overview ...

Page 11: ...idelines for repairing issues with the 4200 series Work with Daktronics help desk or experienced technicians to address display issues Issue Issue Image Troubleshooting Steps Entire display blank 1 Verify there is power to site by ensuring the power supply indicators are on If they are on there is power to site and it is most likely a signal issue If there is site power continue to Step 3 2 Verify...

Page 12: ...ient power to the display If this is the case work with an electrician to establish the correct site power 6 Verify the PLR has power and is functioning Disconnect and reconnect power to the PLR 7 Verify there is power to that display section by checking module status indicators on multiple modules If there is no power check the breakers on that sections term panel 8 Check that the contactors in e...

Page 13: ...ce the power supply 2 If there is power to the power supply and the modules check the SATA cables to the modules It is possible the SATA cables at the beginning and end of the affected modules are disconnected or bad 3 or more modules out in a line within the same PLR section 1 Check the modules at the beginning and end of the affected area This issue can be caused by disconnected or bad SATA cabl...

Page 14: ...ify the MDLS is mounted correctly If not remount the MDLS 5 Have the help desk verify that the MDLS is set to multi direction and automatic Display too dim 1 Verify the MDLS is connected 2 Verify the MDLS is mounted correctly If not remount the MDLS 3 Verify there is no debris or excessive dirt buildup on the three MDLS windows 4 Have the help desk verify that the MDLS is set to multi direction an...

Page 15: ...omponents from the back of the display 1 With a flathead screwdriver turn the two quarter turn latches counterclockwise 2 If the door is obstructed lift the door off the hinges a Pull the bottom of the display door away from the back of the display b Carefully place the access door out of the way 4 2 Front Access Front access is completed by removing modules from the display front Refer to the ste...

Page 16: ...12 Accessing Internal Components ...

Page 17: ...ach the back of the module 6 Disconnect the power and SATA cables from the back of the module 7 Gently place the module on a clean and dry surface Note If there is no place to set the module use a safety lanyard to hang the module from the back of the display Attach the safety lanyard in a way that takes up slack on the lanyard Carefully let the module hang while ensuring it does not damage LEDs o...

Page 18: ...kwise to disengage the latch Note Always maintain a firm grip on the module as you remove it from the face sheet 7 Rotate the module in a way that allows you to guide it through the frame opening without catching the louvers or LEDs on the cabinet Figure 9 shows proper module removal from the back Figure 10 shows improper module removal from the back 5 5 Removing a Module from the Bottom Row of a ...

Page 19: ...he module opening Note To ensure proper alignment verify the word TOP printed on the back of the module is to the top left of the module 2 Once the module is through the display face align the module with the face sheet so the gravity load pegs fit in the gravity load peg holes Ensure the lanyard or cables do not pinch between the module and the display 3 After the module is in place use the botto...

Page 20: ...ISP enclosure off of the hinges on and set aside while ensuring power and signal cables do not get pinched 5 9 Hinging and Removing the DMP 8065 for Module Access The DMP 8065 hinges out of the way for module access It can also be lifted off the of the hinges To hinge the DMP 8065 out of the way and lift it off the hinges 1 Locate the quarter turn latch at the top of the DMP 8065 2 Use a flathead ...

Page 21: ... a Daktronics Module Self Test in Appendix A 6 2 Replacing Module Power Supplies The power supply provides power from the term panel to the module For the 4200 series of digital billboards the module power supply is located on the uprights Each power supply typically controls two modules Replacing a Module Power Supply 1 Disconnect the power coming from the term panel to the power supply 2 Disconn...

Page 22: ...ndix A for a full list of error codes 5 Replace the PLR if the error persists after troubleshooting Replacing a ProLink Router Required Tools Phillips screwdriver 1 Access the interior of the display by using the steps provided in Section 4 2 Disconnect the PLR SATA and power cables 3 Using a Phillips screwdriver loosen the PLR assembly set screw 4 Lift the PLR assembly to disengage it from the di...

Page 23: ...e wire rod with other cables 2 Cut the cable ties from the wire rod until the fan power cable is loose 3 Use the Phillips head screwdriver to loosen the two fan mounting screws Refer to Figure 15 4 Remove the fan from the display 5 Reverse Steps 1 4 to install the new fan 6 Secure any excess cable to the wire rod with cable ties Figure 15 Display Fan Testing and Replacing Display Components ...

Page 24: ...20 Testing and Replacing Display Components ...

Page 25: ...the modules All of the connections for the DMP are located on the bottom of the unit The DMP is a field replaceable unit Refer to Figure 19 SmartLinkTM The SmartLinkTM performs power loss detection and remote power cycling for the 4200 series Figure 22 shows the SmartLinkTM configuration 7 2 Opening the ISP Enclosure To access ISP box components 1 Access the ISP enclosure by opening the rear acces...

Page 26: ...nect power to the fan on the DMP 8065 7 Pull the DMP 8065 release tab and carefully lift the DMP off of the DMP mounting plate Refer to Figure 19 8 Reverse Steps 1 7 to reinstall the DMP 8065 Caution Risk of explosion if a battery is replaced by an incorrect type Return the controller to Daktronics for repair or disposal Replacing DMP Power Supplies Each DMP has a power supply and a redundant powe...

Page 27: ...ables are installed in the same ports as on the old router Replacing the Network Switch 1 Disconnect the power cable from the bottom of the network switch 2 Disconnect the Cat 5 cables from the top of the network switch 3 Lift the network switch out of the bracket 4 Reverse Steps 2 3 to install the new network switch 5 Ensure all cables are installed in the same ports as on the old network switch ...

Page 28: ...ber from the bottom of the SmartLinkTM enclosure Replacing the Z Filter Required Tools Phillips screwdriver 1 Unplug the 3 pin Mate N Lok power jack from the outside of the enclosure 2 Disconnect the power cables from both sides of the Z filter 3 Remove the screws that secure the Z filter bracket to the back of the ISP enclosure 4 Remove the two screws that secure the Z filter to the Z filter brac...

Page 29: ...ect the power wire to the fan 2 Using a Phillips screwdriver remove the four fan mounting bolts that secure the fan to the ISP enclosure 3 Reverse Steps 1 2 to install the new fan Figure 24 ISP Enclosure Fan Assembly Control Equipment Overview Service and Replacement ...

Page 30: ...26 Control Equipment Overview Service and Replacement ...

Page 31: ...ss Check the connections at the back of the display to make sure they are secure Inspect the cable from the back of the display to the MDLS for damage If needed order a replacement cable Inspect the cable going into the bottom of the MDLS to see if it was pulled loose 8 2 MDLS Testing To test a MDLS cover it with a piece of heavy cloth The display should dim within a couple of minutes Remove the f...

Page 32: ...ble between the MDLS and the display back If so disconnect the MDLS cable at the splice point not at the back of the display 2 Remove the cable that runs from the quick connect to the MDLS 3 Remove the two attachment bolts that secure the MDLS assembly to the mounting arm 4 Reverse Steps 1 3 to reinstall a MDLS 5 Using cable ties secure the MDLS cable to along the back of the display 6 Work with t...

Page 33: ...gure 26 while reading the table below Issue Troubleshooting Steps Red LED indicator on the webcam on 1 The red LED should only be on during the camera start sequence Disconnect and reconnect the Ethernet cable to the back of the camera Both LED indicators on the webcam are off 1 Verify the POE injector located in the ISP box is connected and the LED indicators are on If connected but LED indicator...

Page 34: ...30 Webcam Access and Troubleshooting ...

Page 35: ...rm an inventory of the spare parts box Have the help desk run a diagnostics check of the display Work with the help desk to repair any issues found during diagnostics 10 2 Annual Inspection It is important to schedule annual maintenance visits on a digital billboard During the visit Check for water intrusion Replace ISP enclosure filters Inspect for loose modules Inspect the display for excess dus...

Page 36: ...32 Display Maintenance ...

Page 37: ...and quick guides that are generic to Daktronics digital billboards Project specific drawings and documents take precedence over the document in this section Performing a Daktronics Module Self Test DD1944805 ProLink Router 6050 Manual DD1735784 Reference Drawings ...

Page 38: ...34 ...

Page 39: ...35 Appendix B Limitation of Liability Warranty and Limitation of Sellers s Liability SL 02374 Limitation of Liability ...

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