Daktronics 4000 Digital Billboard User Manual
Reproduction Reference
DD1783793—P1604
4000 Series Digital Billboard
Service Manual
1. This page is for reproduction reference only and will not be included in the manual.
2. This manual is to be copied on front and back pages using 8 ½ x 11 paper.
Note: Section heading pages always start on a new page; they never start on the back of
another page.
3. Materials included in this manual at the end of each section:
• Appendix A: Daktronics Warranty
4. Use a blue window cover and a blue back.
5. Punch all pages, window cover, and back cover, along the left edge and bind with a binder.
6. Please direct questions and suggestions to Engineering Secretarial.
www.daktronics.com
4000 Series
Digital Billboard
DD1783793 Rev 7 – 28 July 2011
Service Manual
201 Daktronics Dr. PO Box 5128 Brookings SD, 57006
Tel 866-343-3122 Fax 605-697-4700
DD1783793
Project 1604
Rev 7 –28 July 2011
DAKTRONICS, INC.
Copyright 2010
All rights reserved. While every precaution has been taken in the preparation 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 retr ieval sy ste ms—without written permission of the publisher.
Table of Contents
Section 1: Introduction ................................................................................................................. 1
1.1 About this Manual .................................................................................................................. 1
1.2 4000 Series Digital Billboard Overview ............................................................................... 2
1.3 Spare Parts List ........................................................................................................................ 3
Section 2: Display Troubleshooting ............................................................................................ 5
Section 3: Removing Modules from the Display ........................................................................ 7
3.1 Important Note on Signal and Power Cables ...................................................................... 7
3.2 Proper Seating of SATA and Power Cables ........................................................................ 7
3.3 Rear Access Doors ................................................................................................................... 8
3.4 Remove and Reinstall a Module from the Rear of the Display ........................................ 8
3.5 Remove and Reinstall a Module from the Front of the Display ..................................... 12
3.6 Module Status Indicators ..................................................................................................... 13
3.7 Self Test a Module ................................................................................................................. 14
Section 4: Replacing Display Components ............................................................................... 15
4.1 Photocell ................................................................................................................................. 15
4.2 ProLink Router (PLR) ........................................................................................................... 16
4.3 Power Supply ........................................................................................................................ 17
4.4 Filter ........................................................................................................................................ 17
4.5 Fan ........................................................................................................................................... 18
4.6 Webcam .................................................................................................................................. 18
Section 5: Routine Maintenance ................................................................................................ 21
5.1 Inspecting a Display ............................................................................................................. 21
5.2 Restarting a Display .............................................................................................................. 21
5.3 Cleaning the Webcam Lens ................................................................................................. 22
5.4 Fan Operation ........................................................................................................................ 22
Section 6: Service Call ................................................................................................................ 23
6.1 Service Instructions ............................................................................................................... 23
Section 7: Annual Maintenance Checks .................................................................................... 25
7.1 Service Instructions ............................................................................................................... 25
7.2 Cleaning a Display Face ....................................................................................................... 27
Section 8:
Section 9: Signal Routing ........................................................................................................... 31
Section 10: Testing the Display Ground ...................................................................................... 33
Glossary .................................................................................................................................... 35
Appendix A: Daktronics Warranty Information ............................................................................. 37
Remote Enclosure Parts List ...................................................................................... 29
10.1 Testing with a Ground Meter .............................................................................................. 33
10.2 Testing with a Multimeter ................................................................................................... 33
S ection 1: Introduc tion
This manual provides service and maintenance information for the 4000 Series Digital Billboards. To
ensure optimal display life, take time to read and understand the information in this manual.
1.1 About this Manual
This manual is divided into ten sections:
• Introduction: Explains basic information needed to use this manual.
• Display Troubleshooting: Explains basic troubleshooting steps.
• Removing Modules from the Display: Explains the various ways of removing
modules from a display.
• Replacing Display Components: Explains how to replace display components.
• Routine Maintenance: Explains recommended guidelines for routine maintenance.
• Service Call: Explains the recommended guidelines for service calls.
• Annual Maintenance Checks: Explains the recommended guidelines for annual
maintenance checks.
• Remote Enclosure Parts List: Provides a list of part names and part numbers for the
remote enclosure
• Signal Routing: Explains the signal routing in the 4000 series displays.
• Testing the Display Ground: Explains how to test power and signal.
At the end of this manual are a glossary and appendix:
• Glossary: Defines various terms used in the manual.
• Appendix A: Daktronics Warranty and Limitation Liability: Provides information on
warranty and liability.
Introduc tion 1
Figure 2: Display Label
Figure 1 illustrates a Daktronics drawing label.
The drawing number is located in the lowerright corner of a drawing. This manual refers to
drawings by listing the last set of digits and the
letter preceding them.
Figure 1: Daktronics Drawing Label
In the example in Figure 1, the drawing would
be referred to as Drawing A-69945.
All references to drawing numbers, appendices, figures, or other manuals are presented in
bold typeface, as shown above.
1.2 4000 S eries Digital B illboard Overview
What has Changed
• Hinged doors, capable of being lifted off the hinge
• Cabinet-mounted fans, which can be removed without tools
• Completely sealed modules
• SATA cables replace ribbon cables
• ProLink Routers replace Multi-Line Controllers
• VIP-4060 in remote enclosure
Wha t S tayed the S a me
• Cabinet is the same as 2000 and 3000 series
• Mounting plates, splice key, pick points (for lifting the display), power entry point, and
the remote enclosure are the same as the 3000 series.
Dis play L abel
Hinged doors are easily identifiable features of the 4000 series. Another way to identify the
4000 series is to check the label on the back of the display, next to the power entrance. It
should read “DB4K.” Refer to Figure 2.
2 Introduc tion
1.3 Spare Parts List
0A-1487-6000
Assy, PLR 6050 W/ Hook Mount, 0P-1525-0001
0A-1604-4001
Assy; Mod PS, HK, Posi-lock, A-2021R, 0P-1273-0063
W-2094
Cable; SATA Plug To SATA Plug, 2', Crossover
W-2210
Harn; 142", 4 pin m mnl sealed-2pin
The following table is a generic list of spare parts found in the spare parts box. Spare parts
requirements vary for each display. For a project-specific spare parts list, refer to the spare
parts list on the inside of the spare parts box lid.
P a rt number Description
Introduc tion 3
S ection 2: Dis play Troubles hooting
to the ProLink Router (PLR).
The following table lists some problems that may occur while operating a display. The left column
contains a list of display problems. The right column contains a list of troubleshooting steps to help
resolve the issue. While this table does not cover all possible problems that may occur, it does cover
those that may occur most often.
4000 S eries Dis play Problem Troubleshooting Steps
Entire display is blank • Check that the display is receiving power and all
internal and external breakers are turned on. When
power is applied to the display, power supply LEDs
should turn on.
• Make sure the fiber-optic signal cable is connected
Module is blank
• Make sure the module status indicators and power
supply in the blank section are all on.
• Measure the voltage on the module power
connector to ensure a 12-v ol t out put .
• Make sure fiber connections to the ProLink Router
in the blank section are secure. Change the
connections with one another to test.
• Check the power status LEDs on the power supply
connected to the module. If a power indicator LED
is off, ensure the fuse on the power supply output
is intact.
• Check that the SATA cables to the module are
secure.
Display Troubleshooting 5
S ection 3: R emoving Modules from the Display
3.1 Important Note on S ignal and Power Cables
The signal and power cables connected to the modules are not
designed to be used as lanyards to hold the modules in place
when unlatched from the display face.
When performing maintenance on the display face,
Daktronics recommends removing the modules completely
from the display face to avoid possible damage.
If module removal is not possible, use the safety lanyards —
provided in the spare parts box or installation kit — to hang
modules from the display face. Refer to Figure 3 for an
example of module damage caused by using a SATA cable as
a lanyard.
3.2 Proper S eating of SATA and Power
Cables
SATA Cables
To install a SATA cable and ensure it is seated properly:
1. Align the SATA cable jack over the SATA jack on the
module.
2. Insert one end of the SATA cable jack into the SATA
jack on the module with a slight forward force..
3. Rotate the other end of the SATA cable jack into the
SATA jack on the module and press firmly until the
cable jack clicks into place and the gasket is not
visible.
Power Cables
To install a Power jack cable and ensure it is seated properly:
Figure 3: Broken SATA Jack
Figure 4: Rear Access Door
Figure 5: Door Lanyard Ring
1. Align the power cable jack over the power jack on the module.
2. Insert one end of the power cable jack into the power jack on the module.
Note: Do not squeeze the clips on the end of the cable jack when connecting.
3. Rotate the other end of the power cable jack into the power jack on the module and
press firmly until the cable jack clicks into place and the gasket is compressed.
R emoving Modules from the Display 7
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