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Glossary

RS422

: Standard differential communication type with a maximum cable length of 4,000'

(1.2 kilometers).

RX LED

: An LED on the signal converter that indicates the display is sending data back to

the signal converter.

Serial Port

: Connector on the back of the control computer. The serial port controls the

display network through either a 9- or 25-pin serial connector.

Signal Converter

: Component that converts data from RS232 to RS422 (wire converter) or

from RS232 to light signals (fiber converter). The signal converter is used in RS422 or fiber

systems.

Surge Suppressor

: A device inserted in the signal line and to prevent damage to

electronic equipment caused by voltage transients or spikes.

Translation Table

: Custom memory map for the display.

TX LED

: An LED on the signal converter that indicates the control computer is sending

data to the display.

Vanguard

Software

: Daktronics-designed, Windows®-based software that creates and

edits messages on displays.

Содержание VANGUARD VL-3500 Series

Страница 1: ...201 Daktronics Drive Brookings SD 57006 5128 www daktronics com support 800 325 8766 GENERIC SERVICE VANGUARD VL 3500 20MM SERIES DISPLAY MANUAL 6 June 2018 DD3934467 Rev 00 ...

Страница 2: ...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 Daktronics trademarks are property of Daktronics Inc All other trademarks are property of their respective companies ...

Страница 3: ...lades 13 Filters 13 Air Flow 13 Display Face Cleaning 13 Wet Cleaning Process 13 Dry Cleaning Process 14 Annual Inspection 14 6 Diagnostics and Troubleshooting 15 Controller Diagnostics 15 MLC Optional 16 Troubleshooting Display Problems 16 Before Calling for Help 16 Common Misconception 16 Module and LED problems 16 Brightness problems 17 7 Parts Replacement 18 Module Replacement 18 MLC Replaceme...

Страница 4: ... ii This page intentionally left blank ...

Страница 5: ... computer and client computers running Vanguard software and of one or more displays Daktronics Vanguard software package operates with Windows XP Windows Vista Windows 7 Windows 8 Windows Server 2003 Windows Server 2008 Windows Server 2012 systems on an IBM compatible computer The Vanguard series VL 35X0 displays are matrix based outdoor LED displays The Vanguard model numbers are described as fo...

Страница 6: ...nformation Fiber optic Ethernet A fiber optic network is a standard communication method transmitting light signal through glass fibers A signal converter is required to convert the computer s Ethernet interface to a light signal and another to convert the light signal to Ethernet The signal converter is either located in an external signal enclosure or within the display Refer to the Signal Termi...

Страница 7: ...e the eyebolt is removed Maintain clearance around the display to allow unobstructed air flow through the vents and fans and to allow access to internal components Assure the display cabinet has no holes accidental or intentional that could allow water to enter the display Check that all display modules are fully latched into the display cabinet Support Structure Requirements Support structure des...

Страница 8: ... required once the eyebolt is removed Display Mounting Securely mount each display to a suitable mounting structure provided by others Daktronics attached clip angles to the display for mounting Use all clip angles when mounting the display Use appropriate hardware to support the weight of the display Have a qualified engineer inspect the mounting structure Note Daktronics is not responsible for m...

Страница 9: ...used to route the following Power Signal IN wires Signal OUT wires if signal is required for another display For power displays are provided with either a J box or a 3 4 conduit access hole located near the lower right on the back of the display Overview of Power Signal Connection 1 Power to the display will be terminated externally in most cases The Power Connection p 6 section shows external wir...

Страница 10: ...e a disconnect so that all ungrounded conductors can be disconnected near the point of power connection The disconnecting means must be either located in a direct line of sight from the display or capable of being locked in the open position This ensures that power will not be reconnected while service personnel work on the display Grounding All components of a display system including but not lim...

Страница 11: ...se wires are pre terminated to the power termination panel inside the display 3 Inside the external J box connect the power wires to the wires coming from the display interior using wire nuts Refer to Figure 3 for 120 VAC and Figure 4 for 120 240 VAC Note The following colors are used for the pre terminated wires 120 VAC 120 240 VAC Line 1 Black Line 1 Black Line 2 Red Neutral White Neutral White ...

Страница 12: ...uting in the Display A general power routing as shown in Figure 6 can be summarized as follows 1 Power terminates internally to the power termination panel either directly or via the rear mounted J box 2 Power routes through the circuit breaker s in the power termination panel 3 Power is routed through filters to the power supplies which provide power to the modules 4 Power travels through the tra...

Страница 13: ...k requires a 4 fiber fiber optic cable Two fibers are used leaving the other two as spares Either use direct burial or route the cable in conduit Do not subject fiber optic cable to mechanical flexing If the media converter is installed in the sign the signal cable terminates at the fiber signal converter located either in an external signal enclosure or within the display Ethernet Surge Card J2 E...

Страница 14: ...d size Confirm that adequate grounding is installed Each display face must have a separate earth ground conductor Assure the external communication equipment signal enclosure client radio etc is properly installed Inspect signal connections at the control computer Inspect signal connections at the display and between displays when necessary Post Installation Checklist Verify the following after st...

Страница 15: ... will be void 4 VL 35X0 series displays are front accessible meaning that access to the internal components is gained by removing the front modules of the display Figure 7 shows the approximate location of internal components Accessing the Internal Components Access the internal components by removing the front modules The display may need to be opened to perform maintenance or for troubleshooting...

Страница 16: ...ing the display The module latches must be fully engaged to create a watertight seal around the edge of the module The module should be firmly seated against the display when the latches are fully engaged Ventilation System Fans VL 35X0 series displays are equipped with ventilation systems to help keep the internal electrical components at operable temperatures Intake fans bring air into the displ...

Страница 17: ...ature the fans are activated If the fans are not operating they may be checked by bypassing the temperature controls To check the operation of the fans open the display to expose the thermostat Push and hold the bypass button on the thermostat to temporarily turn on the fans If a fan does not rotate or does not operate smoothly replace it Make sure that the intake vents and exhaust vents on the bo...

Страница 18: ...display should be completed to maintain safe and dependable operation The display will need to be opened to visually inspect the cabinet interior and the components Refer to the Accessing the Internal Components p 11 section for directions to access the interior Tighten or replace any loose fasteners Vacuum or carefully wipe away dust and debris around the fans and inside the cabinet Check for wat...

Страница 19: ...emember to disconnect power to the display before accessing the interior However once the modules are removed and wires are found to be safe power can be turned back on to view the diagnostic LEDs A controller is illustrated in Figure 10 with essential diagnostic LEDs labeled The DS2 RX1 LED displays the controller s receiving status This LED will flash only when receiving information from the con...

Страница 20: ...cs and Troubleshooting p 15 section of this manual 2 Call the service technician or Daktronics Customer Service at 800 833 3157 Note Sitting at the control computer while talking with the service technician will allow more efficient service Common Misconception Blank display seen after boot up A blank display is normal after the boot up procedure The display is then waiting for a message to be sen...

Страница 21: ...r is on look at the back of the malfunctioning module s to see if the diagnostic LED is off implying a power supply problem Verify power to the power supply Entire display fails to work Check the breakers in the building connected to main power source Check the breakers in the power termination panel Check the diagnostic LEDs on the controller for Power and Run Refer to the Controller Diagnostics ...

Страница 22: ...wer cables by squeezing the tabs on the sides of the plug head and pulling out 5 Connect all three cables to the new module making sure that the ribbon cable tabs are tightly pushed against the cable head Carefully push the ribbon wires back into the cabinet so they are clear of the module edges 6 Place the module into its proper location checking that the weather stripping is in place Latch the m...

Страница 23: ...e the module directly in front of the MLC Refer to Figure 7 for the approximate location 3 Disconnect the input cables 4 Remove all ribbon cables labeling the module number as they are removed to ensure proper replacement 5 Remove the six nuts holding the board in place using a 5 16 nut driver 6 To install the new MLC move the unit into place and replace the six nuts holding it to the display back...

Страница 24: ...connections from the board Label the cables as they are removed to ensure proper replacement 6 Remove the six nuts holding the board in place using a 5 16 nut driver 7 Take note of the rotary address on the controller to ensure the address on the replacement board is the same see Figure 14 and Figure 15 8 To install the new controller replace the six nuts holding it to the display back Reconnect p...

Страница 25: ...ess other than 0 0 and repower the controller the software will not recognize an address of 0 Power Supply Replacement VL 35X0 Series displays use 135 watt power supplies Each module is connected to a wire harness on the power supply by a Mate n Lok cable Refer to Figure 16 for an example Complete the following steps to replace a power supply 1 Turn off power to the display 2 Remove the module dir...

Страница 26: ...screwing each screw that holds a wire in place Note the order the wires are connected so they can be reconnected in the same locations on the replacement 5 The light sensor plug on the controller does not need to be detached 6 Reattach the new circuit board following these steps in reverse Note Align the new circuit board so that the lens lines up with the 1 2 circular opening in the bottom left e...

Страница 27: ...zzle is held at least 6 away from the filter the pressure is no greater than 60 psi and the air is blown through the filter opposite the airflow direction as indicated by the arrow stamped on the filter frame Fan Replacement Note Before removing the fan take note of the orientation of the arrows on the side of the fan housing 1 Disconnect the power cord from fan 2 Unlock the fan finger guard assem...

Страница 28: ...terior of the display or in an external signal enclosure Complete the following steps to replace a media converter 1 Disconnect the power and signal connections referring to Figure 19 for connector locations 2 Remove the three corner nuts holding the fiber media converter 3 Install the new fiber media converter 4 Reconnect power and signal cables The fiber media converter contains the following in...

Страница 29: ...sted in the replacement parts list use the label to order a replacement A typical label is shown in Figure 20 The part number is in bold Daktronics Exchange and Repair Return Programs To serve customers repair and maintenance needs Daktronics offers both an Exchange Program and a Repair Return Program Exchange Program Daktronics offers a unique Exchange Program as a quick service for replacing key...

Страница 30: ...he company also reserves the right to refuse parts that have been damaged due to acts of nature or causes other than normal wear and tear Repair Return Program For items not subject to exchange Daktronics offers a Repair Return Program To send a part for repair follow these steps 1 Call or fax Daktronics Customer Service Refer to the appropriate market number in the chart listed on the previous pa...

Страница 31: ...ergy high intensity lighting units LED displays offer high resolution for distinct text A cluster of LEDs form a pixel on the display Louver Black plastic ledge positioned horizontally above each pixel row The louvers block sunlight to increase the level of contrast on the display face Matrix Area on a display that plays content measured in rows and columns of pixels Module A unit of the display t...

Страница 32: ... Converter Component that converts data from RS232 to RS422 wire converter or from RS232 to light signals fiber converter The signal converter is used in RS422 or fiber systems Surge Suppressor A device inserted in the signal line and to prevent damage to electronic equipment caused by voltage transients or spikes Translation Table Custom memory map for the display TX LED An LED on the signal conv...

Страница 33: ...ral Interior Visual Inspection Modules Weather Stripping Modules Electrical Connections Modules Latch Operation Ventilation System Fans Ventilation System Filters Hardware Fasteners Loose Bolts nuts screws rivets etc Cabinet Int Ext Paint cracking and peeling Cabinet Int Ext Metal Corrosion ...

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