Table of Contents
Troubleshooting
Related Manuals for Daktronics Galaxy AF-3155
Summary of Contents for Daktronics Galaxy AF-3155
- Page 1 ® Galaxy Series AF-3155 Display Manual ED-13908 Rev 2 16 April 2004 331 32nd Ave PO Box 5128 Brookings SD 57006 Tel 605-697-4034 or 877-605-1113 Fax 605-697-4444 www.daktronics.com e-mail: helpdesk@daktronics.com...
- Page 2 – graphic, electronic, or mechanical, including photocopying, taping, or information storage and retrieval systems – without written permission of the publisher. ® Galaxy is a registered trademark of Daktronics, Inc. All others are trademarks of their respective companies.
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Page 3: Table Of Contents
Modem Network................. 1-3 Fiber Optic Network................1-4 Radio Network ................... 1-4 Display Overview ..................1-4 Component Identification ................1-5 Daktronics Nomenclature ................1-7 Section 2: Mechanical Installation ..............2-1 Mechanical Installation Overview ............. 2-1 Support Structure Design................2-1 Ventilation Requirements ................2-2 Lifting the Display.................. - Page 4 Troubleshooting..................4-15 4.10 Initial Operation Information..............4-16 4.11 Replacement Parts List ................4-17 4.12 Daktronics Exchange and Repair and Return Programs ......4-18 Appendix A: Reference Drawings ..............A-1 Appendix B: Signal Converter ................B-1 Appendix C: Optional Temperature Sensor ............C-1 Table of Contents...
- Page 5 List of Figures Figure 1: Drawing Label ......................1-2 Figure 2: Version 3 Controller ....................1-5 Figure 3: 20mm 16x16 Module....................1-6 Figure 4: Signal Converter (RS232 to RS422 Shown)............1-7 Figure 5: Module Numbering Example – 48x160 Front ............1-7 Figure 6: Module Numbering....................
- Page 6 Figure 36: Controller Component Layout ................4-4 Figure 37: Removing a Module....................4-8 Figure 38:Control Corner Component Locations ..............4-8 Figure 39: Modem........................4-9 Figure 40: Modem/Signal.....................4-10 Figure 41: Fiber Optic Board ....................4-10 Figure 42: RS422 Surge Suppressor..................4-11 Figure 43: Displays with No External Temperature Sensor ..........4-12 Figure 44: Displays with External Temperature Sensor............4-12 Figure 45: Quick Connect Boards ..................4-13 List of Figures...
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Page 7: Introduction
• Appendix C includes information on the Optional Temperature Sensor Daktronics identifies manuals by an ED number located on the cover page of each manual. For example, this manual would be referred to as ED-13908. Listed below are a number of drawing types commonly used by Daktronics, along with the information that each is likely to provide. -
Page 8: Safety Precautions
Reference Drawing: Shop Drawing; VF-****-27x75-18-W......... Drawing B-181287 Daktronics displays are built for long life and require little maintenance. However, from time to time, certain display components will need replacing. The Replacement Parts List in Section 4.11 provides the names and numbers of components that may need to be ordered during the life of the display. -
Page 9: Network Concepts
The common thread to most client requests is a means of programming and controlling a group of displays from a central control point. Daktronics responded by developing a powerful system of interconnecting and controlling displays. Great care has been taken to design products that will satisfy a wide variety of installations. -
Page 10: Fiber Optic Network
Reference Drawing: Shop Drawing, AF-3155-**x***-20mm-RGB....Drawing B-184075 ® Daktronics AF-3155 Galaxy displays are designed and manufactured for performance, reliability, easy maintenance, and long life. The pixels have a 20mm center-to-center spacing, and are lit using LEDs (light emitting diodes). A light sensor on the front of the primary display is used for automatic dimming of the LEDs based on the ambient light levels. -
Page 11: Component Identification
Component Identification ® The following illustrations depict some of the more commonly accessed Galaxy display components. Because Daktronics occasionally alters standard design to meet customer needs, the actual display design may vary slightly from the illustrations below. This is only a brief overview. Refer to Section 4 for additional information on maintaining the various display components. -
Page 12: Figure 3: 20Mm 16X16 Module
This board is also responsible for the switching and intensity levels of the LEDs. ® Galaxy : Daktronics trademarked name for LED monochrome, tri-colored, or RGB matrix displays. LED (light emitting diode): Low energy, high intensity lighting units. Louver: Black plastic shade positioned horizontally above each pixel row. The louvers increase the level of contrast on the display face and direct LED light. -
Page 13: Daktronics Nomenclature
Daktronics Nomenclature Figure 5: Module Numbering Example – 48x160 Front To fully understand some Daktronics drawings, such as schematics, it is necessary to know how various components are labeled in those drawings. This information is also useful when trying to communicate maintenance or troubleshooting efforts. -
Page 14: Figure 6: Module Numbering
“P_ _” stands for a power or signal plug for the opposite jack. Finally, Daktronics part numbers are commonly found on drawings. Those part numbers can be used when requesting replacement parts from Daktronics Customer Service. Take note of the following part number formats: 0P-1195-0001 •... -
Page 15: Mechanical Installation
Section 2: Mechanical Installation Note: Daktronics does not guarantee the warranty in situations where the display is not constantly in a stable environment. Daktronics engineering staff must approve any changes that may affect the weather-tightness of the display. If any modifications are made, detailed drawings of the changes must be submitted to Daktronics for evaluation and approval, or the warranty may be void. -
Page 16: Ventilation Requirements
Before beginning the installation process, verify the following: • The mounting structure will provide a straight and square-mounting frame for the display. • The mounting structure is capable of supporting the display and will not yield at any unsupported points after mounting. •... -
Page 17: Lifting The Display
Lifting the Display The top of the larger displays is equipped with eyebolts that are used to lift the unit. Take special care to ensure that the rated load of the eyebolts is not exceeded. Refer to the information at the end of this section labeled Eyebolts to determine the allowable load of the eyebolts shipped with the display. -
Page 18: Display Mounting
It is the customer’s responsibility to determine the proper wall mounting method and location. Daktronics recommends using all clip angles as attachment points. 1. Carefully uncrate the display. Look each side of the display over for possible damage during shipping. - Page 19 Eyebolts Almost every display that leaves Daktronics is equipped with eyebolts for lifting the display. There are two standard sizes of eyebolts: ½″ and A″. Load Increase Factor: The load increases as the lift angle (θ) decreases. The allowable load on the eyebolts also decreases with the lift angle due the bending stress on the eyebolts.
- Page 20 F. Eyebolts should never be painted or otherwise coated when used for lifting. Such coatings may cover potential flaws in the eyebolt. G. To attain the safe working loads listed for regular eyebolts, 90% of the thread length must be engaged. Copyright 1996-2001 ED-7244 Daktronics, Inc. Rev. 4 – 14 March 2001...
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Page 21: Section 3: Electrical Installation
The Daktronics engineering staff must approve any changes made to the display. Before altering the display, submit detailed drawings for the proposed modifications to the Daktronics engineering staff for evaluation and approval or the warranty will be rendered null and void. -
Page 22: Figure 11: Phoenix Connector
™ 3. Phoenix -Style Connectors: Phoenix-style connectors, which are usually green, are often used for signal termination on circuit boards. Refer to Figure 11 on the right. Strip one-quarter inch of insulation from the wire prior to termination. To remove a wire, turn the above screw counter-clockwise to loosen the connector's grip on the wire. -
Page 23: Control Cable Requirements
Fiber Optic This cable is a 4-fiber cable (Daktronics part number W-1376). Two fibers are used for display communications and the other two are saved for spares. The cable may be either direct burial or routed in conduit, but it should not be subjected to mechanical flexing. -
Page 24: Radio
The Server radio connected to the computer, through a signal J-box, requires an 18- gauge six-conductor cable (Daktronics part number W-1370). Four-conductors will be used for the signal and two for power from the j-box. This wire needs to be in conduit when exposed to outdoor conditions to the Server radio. -
Page 25: Installing An Rj Connector
This completes the installation of an RJ connector onto the wire. Conduit Reference Drawings: Shop Drawing; AF-3155-**x***-20mm-RGB ....Drawing B-184075 Daktronics does not include the conduit. Refer to Drawing B-184075 for approximate locations for power and signal conduit. Separate conduit must be used to route: •... -
Page 26: Preparing For Power/Signal Connection
Preparing for Power/Signal Connection Reference Drawings: Comp. Layout Drawings ..........Refer to Appendix A 1. Punch or use 7/8" (0.875) holes for the desired ½" conduits. Be careful that none of the internal components are damaged. Attach the conduit. 2. Remove the two bottom left modules (AX01 and AX02) to expose the power enclosure and signal panel. -
Page 27: Power
Displays must be grounded according to the provisions outlined in Article 250 of the ® National Electrical Code . Daktronics requires a resistance to ground of 10 ohms or less. The display system must be connected to earth-ground. Proper grounding is necessary for reliable equipment operation. -
Page 28: Power Installation
Article 250 of the National Electric Code may be used. Daktronics requires that the resistance to ground be 10 ohms or less. If the resistance to ground is higher than 10 ohms, it will be necessary to install additional grounding electrodes to reduce the resistance. -
Page 29: Power Connection
Installation with Only a Neutral Conductor Provided Installations where no grounding conductor is provided must comply with article 250-32 of the National Electrical Code. If the installation in question meets all of the requirements of article 250-32, the following guidelines must be observed: •... -
Page 30: Main Disconnect
Main Disconnect The National Electrical Code requires the use of a lockable power disconnect near the display. Provide a lockable disconnect switch (knife switch) at the display location so that all power lines can be completely disconnected. Use a 3-conductor disconnect so that both hot lines and the neutral can all be disconnected. -
Page 31: Rs232
RS232 Reference Drawings: System Riser Diagram, RS232 ........Drawing A-174341 Controller, Galaxy, 8-conn., J-1087 ......Drawing B-177838 An RS232 controlled display requires the use of a J-box within 25 feet of the display as shown in . From the J-box to the display, the signal may be connected Figure 23 using a quick connect cable or directly wired to the controller inside the display. -
Page 32: Rs422
Figure 24: RS232 J-box to Controller Board J-Box to Controller Board (A31) J-box Wire Color Controller Board (TB1) Pin 1 (TX-P) Black Pin 5 (RX1) Pin 2 (RX-P) Clear or Red Pin 3 (TX1) Pin 3 (GND) Shield Pin 4 (GND) RS422 Reference Drawing: System Riser Diagram, RS422 ........ -
Page 33: Figure 25: Rs422 Display Layout
Figure 25: RS422 Display Layout Figure 26: Signal Converter to Surge Suppresser 3-13 Electrical Installation... -
Page 34: Modem
Signal Converter to Surge Board Assembly (A34) Signal Converter Wire Color Surge Board Assembly (J4 or J5) (TB1) Pin 1 (GND) Shield Pin 1 (SHLD) Pin 2 (RX-P) Pin 2 (D1OUT-P) Pin 3 (RX-N) Black Pin 3 (D1OUT-N) Pin 4 (TX-P Green Pin 4 (D1IN-P) Pin 5 (TX-N) -
Page 35: Figure 28: Modem/Signal Connections
Drawing B-177662 and shows the terminal block wiring. Figure 28 3. A 8-conductor cable with RJ45 connectors (Daktronics part number 0A- 1229-0054) relays the signal from J6 (RS232 Out) on the modem to J3 (RS232 IN) on the controller. Figure 28: Modem/Signal Connections Note: The jumper on the controller board must be closed to recognize that a modem is being used with the display. -
Page 36: Fiber Optic
Drawing Figure 30 B-177662. 3. The fiberboard connects to the display’s controller via an 8-pin RJ45 cable (Daktronics part number 0A-1229-0054) from J7 on the fiberboard to J3 (RS232 IN) on the controller. Figure 29: Fiber Optic Display Controller 3-16... -
Page 37: Figure 30: Fiber Signal Connections
Figure 30: Fiber Signal Connections Signal Converter to Display Fiber Board Signal Converter Field Cabling Display Fiber Board J2 Transmit (TX1) (Color varies) J5 Receive (RX2) J3 Receive (RX1) (Color varies) J4 Transmit (TX2) 3-17 Electrical Installation... -
Page 38: Venus ® 1500 Radio Client
® Venus 1500 Radio Client Reference Drawing: System Riser Diagram, QC Outdoor Radio, Gen 2..Drawing A-185359 Schematic, Internal, W/Quick Connect......Drawing B-177662 A display that is controlled using a radio requires a Server radio connected to the control computer, and a Client radio at the display. The radios must be within line- of-site of each other. -
Page 39: Signal Termination Between Two (Or More) Signs
Signal Termination Between Two (or More) Signs Reference Drawings: Controller, Galaxy, 8-conn., J-1087 ......Drawing B-177838 RS422 Interconnection • The quick connect cable is the most common method of terminating signal between two displays. The four-foot cable goes from the RS422 OUT (J34) on the first display to the RS422 IN (J32) on the second display. -
Page 40: Fiber Interconnection
Signal Between displays for RS422 Out on Primary to RS422 In on Secondary. Face A – RS422 Field Face B – RS422 Cabling (TB3) (TB2) Pin 1 (GND) Shield Pin 6 (GND) Pin 2 (D2OUT-N) Pin 5 (D1IN-N) Pin 3 (D2OUT-P) Black Pin 4 (D1IN-P) Pin 4 (D2IN-N) -
Page 41: 3.10 First Time Operation
3.10 First Time Operation When first operated, the display will run through an initialization in which it will display the following: ® 1. Product Name (Galaxy 2. Display Size (Row x Column) 3. Shading (32K RGB) 4. Bootloader Version (OS X.XX) 5. -
Page 43: Maintenance And Troubleshooting
3. The Daktronics engineering staff must approve ANY changes made to the display. Before altering the display, detailed drawings for the proposed modifications must be submitted to the Daktronics engineering staff for evaluation and approval or the warranty will be rendered null and void. Maintenance and Troubleshooting Overview ®... -
Page 44: Signal Summary
2. Power for the controller board passes through a transformer located on the controller/power panel. 3. The power supplies are set to 5.3 VDC. For assistance with the wiring to the power supplies see Drawing A-183321. Power supplies are preset. Contact Daktronics Customer Service for the proper settings. Maintenance and Troubleshooting... -
Page 45: Service And Diagnostics
Service and Diagnostics Reference Drawings: Power Termination Box..........Drawing A-129227 Assy, Power Box, A-1577@2........Drawing A-135118 Controller, 8-conn., J-1087 ..........Drawing B-177838 Component Layout Diagram ........Refer to Appendix A Schematics............... Refer to Appendix A The following sub-sections address servicing of the following display components: •... -
Page 46: Transformer And Rfi Filter
Transformer and RFI Filter Remember: Disconnect power before servicing any internal components Transformer The transformer is located in the upper portion of the power termination box as shown in Figure 35 Turn off power to the display before removing the wires. To replace the transformer, first disconnect and label all the wires attached to it. - Page 47 The rotary switches set the hardware address, which the software uses to identify that particular display. When replacing a controller board, be sure to set the rotary switches in the same address configuration as the defective controller. Each controller in a network needs a unique address. Note: Setting both rotary switches to address 0 (set the switches to 0 by rotating them counter clockwise until the arrow points to 0) can activate a test mode.
- Page 48 Controller Address Settings Upper Lower Address Test Mode … … … Four diagnostic LEDs are located on the controller; the table below tells what each LED denotes: Color Function Operation CAN TxD Flashes when controller is transmitting CAN information. CAN RxD Flashes when controller is receiving CAN information.
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Page 49: Modules And Drivers
Link On when Ethernet interface is in the link-up condition. Flashes when the Ethernet chip detects transmits or receives activity. Speed On when the Ethernet interface is at 100Mbps. Off when the Ethernet interface is at 10Mbps. Duplex On when the Ethernet interface is at full duplex. Off when the Ethernet interface is at half-duplex. -
Page 50: Power Supplies
1. Locate the latch access fasteners on the module. One is centered below the second row of pixels and one is centered above the bottom row. 2. With a 1/8"Allen wrench, turn the latch access fasteners a quarter turn as seen in . -
Page 51: Light Detector
Light Detector The light detector is internally mounted and wired at Daktronics. It is located in the bottom left corner on the front of the primary display (identified as assembly 0A- 1241-4013 (LT) in the Component Layout Diagram). A 4-conductor cable connects the light detector to the controller. -
Page 52: Fiber Board
Figure 40: Modem/Signal Fiber Board To replace a fiber optic board: Tools required: 1/8" hex wrench and 3/16" nut driver. 1. Remove the module directly in front of the modem 2. Disconnect the power and signal connections (refer to on the Figure 41 right for connection points). -
Page 53: Rs422 Surge Suppressor
2. There are TX (J2) and RX (J3) jacks for output to a second display. 3. There is a 12VAC power input (J6). 4. The output to the controller is from J7, using an RJ45 cable (Daktronics part number 0A-1229-0054) 5. -
Page 54: Location Of Can Termination Jumper
Location of CAN termination Jumper Temperature and light sensors are controlled as part of a CAN network. For the CAN network to work correctly, the network must be terminated at both ends of the network. This is true for a single display, or for multiple displays. The correct terminations are completed during the building process. -
Page 55: Ventilation Systems (With Fans And Filters)
Figure 45: Quick Connect Boards Ventilation Systems (With Fans and Filters) Ventilation fans should be checked after 1,500 hours of operation and every 1,500 hours after that to ensure the display is being cooled properly. Fans should be checked more often if the display is located in a dusty or harsh weather environment (i.e. -
Page 56: Thermostats
To check the operation of the fans, push the bypass button (momentary contact) on the thermostat enclosure to temporarily turn the fans on: (The bypass button is located behind A102, top row, and second module from the left.) • Hold your hand or a piece of light paper beneath the display to detect air movement. -
Page 57: Troubleshooting
• Water Intrusion – Water Stain Marks Water can enter the display where weather stripping has come loose or deteriorated or where fasteners have come loose allowing gaps in the panels or where moisture may be entering around hardware. Be sure to check around the lift eyes and bolts to ensure that water has not entered there. -
Page 58: 4.10 Initial Operation Information
• Entire display fails to work. Check for proper line voltage into the power termination panel. • Check for correct power to controller and modules. • Check the fuses in the power termination box. • Check/replace the ribbon cable from the controller to the modules. -
Page 59: 4.11 Replacement Parts List
Many of the parts within the display also list their part numbers on labels affixed to them. To prevent theft, Daktronics recommends purchasing a lockable cabinet to store manuals and replacement/spare parts. Part Description... -
Page 60: Daktronics Exchange And Repair And Return Programs
This bill, which represents the exchange price, is due when you receive it. Daktronics expects immediate return of an exchange part if it does not solve the problem. The company also reserves the right to refuse equipment that has been damaged due to acts of nature or causes other than normal wear and tear. - Page 61 Return Materials Authorization: To return parts for service, contact your local representative prior to shipment to acquire a Return Material Authorization (RMA) number. If you do not have a local representative, call the Daktronics Help Desk for the RMA. This expedites repair of your component when it arrives at Daktronics.
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Page 63: Appendix A: Reference Drawings
Appendix A: Reference Drawings Refer to Section 1 for information on reading drawing numbers. The following drawings are listed in numerical order by size (A, B, etc.). The drawings following this section are split into sections according to drawing type. Those drawings are listed according to display size. Power Termination Box ..............Drawing A-129227 Assy, Power Supply, A-1633 &...