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Summary of Contents for Daktronics DXB Series
- Page 1 DXB SERIES DIGITAL BILLBOARD SERVICE MANUAL P2177 DD4140427 Rev 01 24 November 2021 201 Daktronics Drive Brookings, SD 57006-5128 www.daktronics.com/support 800.325.8766...
- Page 2 Daktronics trademarks are property of Daktronics, Inc. All other trademarks are property of their respective companies.
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Page 3: Table Of Contents
Table of Contents Introduction ���������������������������������������������������������������������������������������������������������������������������1 Important Contact Information ......................1 Display Identification ..........................1 Spare Parts .............................1 Field Replaceable Units ........................2 Display and Control Overview ��������������������������������������������������������������������������������������������3 Display Control System Flow Overview ....................3 Display Power Overview ........................3 Display Signal Overview ........................3 Even Module High Section Signal Path ������������������������������������������������������������������������������������������3 Odd x Even Module High Section Signal Path �������������������������������������������������������������������������������4 Odd x Odd Module High Section Signal Path �������������������������������������������������������������������������������4 Troubleshoot the Display ������������������������������������������������������������������������������������������������������5... - Page 4 Access and Troubleshoot the Webcam ���������������������������������������������������������������������������22 Retract the Webcam to the Display Face (Rotation Mount Only)..........22 Troubleshoot the Webcam........................22 10 Display Maintenance ���������������������������������������������������������������������������������������������������������23 Service Calls ............................23 Annual Inspection ..........................23 Glossary �������������������������������������������������������������������������������������������������������������������������������������24 A Reference Documents �������������������������������������������������������������������������������������������������������25 Daktronics Warranty and Limitation of Liability ���������������������������������������������������������������27 – ii –...
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Page 5: Introduction
Total Watts Spare Parts Every Daktronics digital billboard is shipped with spare parts that include commonly replaced components. The table lists some of the components that may be included in the spare parts rack. Refer to the spare parts inventory list contained in the bag in the spare parts rack for a list of the parts. -
Page 6: Field Replaceable Units
Field Replaceable Units The table below lists names of components that can be replaced in the display and the control system. Some of these components are located in the spare parts rack. Contact the ASM to order components when needed. Display FRUs Control System FRUs ProLink Router... -
Page 7: Display And Control Overview
Display Front Module Display and Control Overview This section describes generic power and signal paths for Daktronics digital billboards. Refer to display-specific signal and riser drawings for component locations on your display. Display Control System Flow Overview Support Ledger Figure 2 shows the location of the... -
Page 8: Odd X Even Module High Section Signal Path
Odd x Even Module High Section Signal Path Figure 4: Odd x Even Height Signal Routing Example Odd x Odd Module High Section Signal Path Figure 5: Odd x Odd Height Signal Routing Example Display and Control Overview... -
Page 9: Troubleshoot The Display
Troubleshoot the Display Figure 7: SmartLink Relay Bank Work with Daktronics help desk or experienced technicians to address display issues. Refer to the following table for troubleshooting steps. Issue Issue Image Troubleshooting Steps Verify there is power to site by ensuring the power supply indicators are on. - Page 10 PLR to the modules may be Scattered or out switched. of order content Call Daktronics help desk to verify the translation table is correct. Area of content Verify the SATA cable path in that area is mixed up -...
- Page 11 Issue Issue Image Troubleshooting Steps If applicable, verify the fiber interconnects are installed. On displays with multiple sections or power entrances, verify the power interconnect cables between the display sections are connected. Check the modules at the beginning and end of the affected area. This issue can be caused by disconnected or bad SATA cables on both of those modules.
- Page 12 Measure the site power to verify it meets Daktronics requirements. If this issue is only seen with white or light-colored content, there is most likely a power issue. If there is insufficient power, work with an electrician to establish proper site power.
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Page 13: Access Internal Components
Access Internal Components Rear Access DXB series digital billboards have lift-off doors that are secured with a tab in the top-right corner. Refer to Figure 8. 1� Place fingers in slot located at the top-right corner of the door, as shown in Figure 8. -
Page 14: Test And Remove Modules
Test and Remove Modules Module Lanyard Attachment Attach a module lanyard (located in the spare parts rack) whenever removing a module. To attach a module lanyard, follow these steps: 1� Attach one end of the lanyard to an attachment ring on the top of the of the module. -
Page 15: Remove A Module (Rear Access)
6� Insert the 1/8" hex head wrench into the top access hole and turn approximately a quarter-turn clockwise or until you feel it latch in place. 7� Gently pull on the module to verify it is properly seated. Remove a Module (Rear Access) Required Tools: 1/8"... -
Page 16: Remove A Module From Behind A Term Panel Or Isp Enclosure
Remove a Module from Behind a Term Panel or ISP Enclosure Required Tools: Flathead screwdriver, 1/8" hex head wrench, module lanyard 1� Turn the quarter-turn latch on the right side of the term panel using a flathead screw driver. 2� While holding the term panel, allow it to slowly rotate open and out of the way. -
Page 17: Reinstall A Module (Rear Access)
Reinstall a Module (Rear Access) When installing new modules, place them in the outer ring of the display. 1� Rotate and carefully guide the module through the module opening. Refer to Figure 21. Note: To ensure proper alignment, verify the word TOP printed on the back of the module is to the top left of the face sheet. -
Page 18: Test And Replace Display Components
Remove the SATA cable and cycle power to the Self-Test Set Up module to stop the self-test. For more information, refer to Performing a Daktronics Digital Billboard Module Self Test (DD1944805) in Appendix A: Reference Documents (p�25). Replace Module Power Supplies The power supply provides power from the term panel to the module. -
Page 19: Test And Replace A Prolink Router
Test and Replace a ProLink Router A ProLink Router (PLR) sends the signal from the DMP-8000 to the modules via SATA cables. Visit youtu.be/DnoPC1OYhv0 to view a video about testing and replacing a ProLink Router. Test a PLR Before replacing a PLR, it may be beneficial to perform a self- test. -
Page 20: Replace A Prolink Router
Note: It is possible to have a break in just one path. So for example, it is possible all of the modules may turn Yellow indicating “A” is healthy, but only some of them turn Magenta indicating a break in the “B” path that needs to be repaired. Replace a ProLink Router Required Tools: Phillips screwdriver 1�... -
Page 21: Control Equipment Overview, Service, And Replacement
Refer to Figure 32. SmartLink The SmartLink performs power loss detection and remote power cycling for DXB series billboards. Figure 37 shows the SmartLink configuration. Connect a Laptop Sometimes it is necessary to connect a laptop to the display for service. Locate the red crossover cable coming from out of the network switch. -
Page 22: Replace Control Equipment
Replace Control Equipment Replace the DMP-8000 1� Disconnect the incoming power to the DMP-8000 by unscrewing the connector. 2� Disconnect the HDMI cable from the DMP-8000. Refer to Figure 32. 3� Disconnect the network communication cable. 4� Loosen the nuts holding the DMP-8000 bracket to the control enclosure. -
Page 23: Replace The Router
6� Remove the four screws that secure the SmartLink the mounting plate. 7� Reverse Steps 1–6 to install the new SmartLink 8� Call Daktronics help desk and provide them with the new MEID number, circled in Figure 37. Figure 37: SmartLink... -
Page 24: Replace The Z-Filter
Replace 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. -
Page 25: Test And Replace Multi-Direction Light Sensor
Test and Replace Multi-Direction Light Sensor The table below lists important items to check if there are issues with the Multi-Direction Light Sensor (MDLS). Item Image If there is a splice cable attached, inspect splice cable connection. Inspect the MDLS windows for cleanliness. Windows (x3) Check connections at rear of display to make sure they are secure. -
Page 26: Access And Troubleshoot The Webcam
3� Return the webcam arm to the original position when servicing the webcam. 4� Replace and tighten the three short bolts. 5� Work with Daktronics help desk to verify the webcam is focused and functioning properly. Red LED Green LED... -
Page 27: 10 Display Maintenance
10 Display Maintenance Service Calls After addressing service issues on a service call, inspect the following items: • Check for loose modules. • Check for corrosion. • Check the display for signs of damage. • Check the control enclosure filters. Replace if needed. Replacement filters are located in the spare parts rack. -
Page 28: Glossary
Glossary DMP-8000: a Digital Media Player that sends display content to the Video Image Processor (VIP). Lanyard attachment ring: a ring found on the back of each module and on the display doors that attaches to a lanyard and prevents the module from falling. Light Emitting Diode (LED): a low-energy, high-intensity lighting unit. -
Page 29: A Reference Documents
Reference Documents This appendix contains drawings and documents that are generic to Daktronics digital billboards. Project-specific documents take precedence over those listed in this section. Reference Documents: DD1735784 ProLink Router 6X5X Installation and Maintenance Manual ......DD1944805 Performing a Daktronics Module Self-Test ............ - Page 30 This page intentionally left blank.
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Page 31: B Daktronics Warranty And Limitation Of Liability
Daktronics Warranty and Limitation of Liability here Click to view the Daktronics Warranty & Limitation of Liability statement (SL-02374). Daktronics Warranty and Limitation of Liability... - Page 32 This page intentionally left blank.
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