Daktronics NPN-4100 Series User manual

201 Daktronics Drive
Brookings, SD 57006-5128
www.daktronics.com/support
800.325.8766
NPN-4100 SERIES
DAKT-0203-12
DISPLAY MANUAL
P2035
DD3918319
Rev 01
16 May 2019

Copyright © 2019
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 retrieval systems—without written permission of the publisher.
Daktronics trademarks are property of Daktronics, Inc. All other trademarks are property of their respective companies.
FCC Statement
Supplier Declaration of Conformity (SDoC)
This product complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired
operation.
Note: This equipment has been tested and found
to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against
harmful interference in a residential installation. This
equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there
is no guarantee that interference will not occur in a
particular installation. If this equipment does cause
harmful interference to radio or television reception,
which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment
and receiver.
• Connect the equipment into an outlet on a
circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV
technician for help.
Warning: The user is cautioned that changes and
modications made to the equipment without the
approval of manufacturer could void the user’s
authority to operate this equipment.
Industry Canada Regulatory Information
This Class B digital apparatus complies with Canadian
ICES-003.
Cet appareil numérique de la classe B est conforme à
la norme NMB-003 du Canada.
Inquiries
Contact Daktronics with any questions regarding our
product compliance.
Mail:
Daktronics
201 Daktronics Dr.
Brookings, SD 57006 USA
Phone:
800-325-8766
Website:
www.daktronics.com

i
Table of Contents
1 Introduction...........................................................................................................................1
How to Use This Manual .......................................................................................................................1
Numbering Conventions......................................................................................................................1
Drawing Numbers.............................................................................................................................1
Part Numbers ....................................................................................................................................1
Module Numbers..............................................................................................................................2
Model Numbers ................................................................................................................................2
Important Safeguards ..........................................................................................................................2
2 Warnings/Disclaimers...........................................................................................................3
Display....................................................................................................................................................3
Structure.................................................................................................................................................3
3 Glossary.................................................................................................................................5
4 Replacement Parts ...............................................................................................................7
Replacement Parts List.........................................................................................................................7
Daktronics Exchange and Repair & Return Programs .....................................................................7
Exchange Program ..........................................................................................................................7
Repair & Return Program .................................................................................................................8
Shipping Address..............................................................................................................................8
Warranty & Limitation of Liability.........................................................................................................9
A Reference Documents .......................................................................................................11
B Reference Drawings ...........................................................................................................13
C Daktronics Warranty & Limitation of Liability....................................................................15

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Introduction
1
1 Introduction
How to Use This Manual
This manual explains the installation, maintenance, and troubleshooting of this video
display system. For additional information regarding the safety, installation, operation,
or service of this system, refer to the telephone numbers listed in Daktronics Exchange
and Repair & Return Programs (p.7). This manual contains only generic installation
topics and is not specic to a particular installation. Contract-specic information takes
precedence over any general information found in this manual.
Daktronics identies manuals by the DD number located on the cover page of each
manual. For example, this manual would be referred to as DD3918319.
Numbering Conventions
Drawing Numbers
Figure 1 illustrates a Daktronics drawing label.
This manual refers to drawings by listing the
last set of digits. In the example, the drawing
would be referred to as DWG-3818317.
All references to drawing numbers,
appendices, gures, or other manuals are
presented in bold typeface, as shown in the
example below:
Refer to DWG-3818317 in Section B: Reference Drawings (p.13) for the locations of
internal display components.
Part Numbers
Most display components within a display carry a white
label that lists the part number. The component part
number uses the following format: 0A-XXXX-XXXX
(multi-component assembly) or 0P-XXXX-XXXX (display
interface board). Daktronics Exchange and Repair
& Return Programs (p.7) contains the Daktronics
Exchange Policy as well as the Repair & Return Program.
Refer to these instructions if any display components need
replacing or repairing. If an interface board or assembly is not found in the replacement
parts list in Replacement Parts List (p.7), use the label to order a replacement. Figure 2
illustrates a typical label. The part number is in bold.
Part Type Part Example Part Number
Assembly Display interface board and its
mounting plate or bracket 0A-XXXX-XXXX
Individual display interface
board ProLink Router (PLR) 0P-XXXX-XXXX
Wire or cable SATA cable W-XXXX
THE CONCEPTS EXPRESSED AND DETAILS SHOWN ON THIS DRAWING
ARE CONFIDENTIAL AND PROPRIETARY. DO NOT REPRODUCE BY
ANY MEANS WITHOUT THE EXPRESS WRITTEN CONSENT OF
DAKTRONICS, INC. OR ITS WHOLLY OWNED SUBSIDIARIES.
COPYRIGHT 2018 DAKTRONICS, INC. (USA)
THIRD ANGLE PROJECTION
PROJECT: NPN-4100
TITLE: FINAL ASSY ELEC COMP; 1X2; NPN A1
DATE: 13-MAR-18 DIM UNITS: INCHES [MILLIMETERS] SHEET REV
SCALE: 1/8 DO NOT SCALE DRAWING 1 OF 1 01
DESIGN: BFOLKER JOB NO. FUNC - TYPE - SIZE 3818317
DRAWN: BFOLKER P2035 E - 07 - B
Drawing number
Figure 1: Drawing Label
0P-1195-0001
SN: 6343
05/19/99 REV.1
Figure 2: Typical Label

Introduction
2
Module Numbers
Figure 3 explains the module labeling method in more detail, and Figure 4 illustrates how
Daktronics numbers modules on a video display.
A 2 0 3
Used to differentiate display face if system has
more than one viewing face
“A” denotes the rst face, “B” the second, etc.
First number denotes module row number
Top row of modules is Row 1
Last two numbers denote position in row,
counting left to right
Figure 3: Module Numbering Breakdown
Model Numbers
Each video display system has a model number that explains the display specications.
NPN-4100-1.9/2.5MN-HHHxWWW
NPN = Product series
4100 = Product generation
1.9/2.5MN = Pixel pitch/layout
HHH = Matrix height
WWW = Matrix width
Important Safeguards
• Read and understand the installation instructions before beginning the installation
process.
• Do not drop the control equipment or allow it to get wet.
• Do not disassemble the control equipment or electronic controls of the display; failure
to follow this safeguard will make the warranty null and void.
• Disconnect the display power when not in use or when servicing.
• Disconnect the display power before servicing the power supplies to avoid electrical
shock. The power supplies run on high voltage and may cause injury if touched while
powered.
Figure 4: Module Numbering

Warnings/Disclaimers
3
2 Warnings/Disclaimers
Review the reference documents and drawings in Section A: Reference Documents
(p.11) and Section B: Reference Drawings (p.13) prior to installation as well as during
the installation process.
Display
Daktronics engineering staff must approve any changes that may affect the strength
or protective integrity of the display frame or enclosures. If any modications of this
nature are made, detailed drawings of the change(s) must be submitted to Daktronics
engineering staff for evaluation and approval, or the warranty will be null and void.
Displays must be lifted appropriately to ensure the display sections will not be damaged.
It is the installer’s responsibility to ensure the installation meets all local codes and
standards. All hardware processes used during display installation must meet the
approved, stamped drawings from a professional engineer.
This display is intended to be installed in accordance with the requirements of Article 600
of the National Electrical Code and/or other applicable local codes. This includes proper
grounding and bonding of the sign.
Only qualied individuals should access the electrical components of this display and its
associated equipment.
Structure
It is the installer’s responsibility to ensure the mounting structure and hardware are built
per the stamped engineering drawings and are capable of supporting the display prior
to beginning the installation.

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Glossary
5
3 Glossary
Lanyard attachment ring: a ring found on the back of each module. The lanyard
attaches to the ring to keep the module from falling to the ground.
Latch release: a device that holds the module rmly to the display frame. There are four
latch devices per module.
Light emitting diode (LED): a low energy, high intensity lighting unit.
Line lter: a device that removes electromagnetic noise from the power system to
avoid interference with local communications channels. Line lters sometimes mount on
brackets with power supplies. Other times they may mount alone on a bracket.
Mask: a plastic grid on the 2.5 mm module that increases contrast and helps protect the
LEDs from damage.
Module: multiple LED tiles magnetically attached to a die-cast aluminum housing. The
housing has steel plates that attach to magnets in the panel. The logic card connects to
each LED tile via ribbon cable. Modules with the housing, LED tiles, and logic card can
be removed from the front of the panel with a Daktronics-specic module removal tool.
Pixel: the smallest single point of light on a display that can be turned on and off. For
LED displays, a pixel is the smallest block of light emitting devices that can generate all
available colors.
Power supply: a device that converts AC line voltage from the termination panel to
low DC voltage for one or more module driver boards. One power supply may power
multiple modules.
ProLink Router (PLR): a display interface board that passes display data from the control
system to modules and other PLRs. The ratio of PLRs to modules varies with display
application.
Termination block: an electrical point usually used to connect internal power and signal
wires to wires of the same type coming into the display from an external source.
Tile: an LED display board. There are six LED tiles per module. LED tiles can be removed
from the front of the housing with a Daktronics-specic LED tile removal tool.
Video Image Processor (VIP): an interface that drives video to the display while also
dimming, providing gamma and color controls, and displaying test patterns.

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Replacement Parts
7
4 Replacement Parts
Replacement Parts List
Part Description Part Number
Logic card 0P-2036-1000
Module 0A-2068-8000 (1.9 mm)
0A-2036-8000 (2.5 mm)
Power supply A-3769580
ProLink Router (PLR) 0A-1525-6053
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 unique Exchange Program is a quick service for replacing key parts in need
of repair. If a part requires repair or replacement, Daktronics sends the customer a
replacement, and the customer sends the defective part to Daktronics. This decreases
display downtime.
Before contacting Daktronics, identify these important part numbers:
Display Serial Number: _______________________________________________________________
Display Model Number: ______________________________________________________________
Contract Number: ___________________________________________________________________
Installation Date: _____________________________________________________________________
Sign Location: _______________________________________________________________________
Daktronics Customer ID Number: _____________________________________________________
To participate in the Exchange Program, follow these steps:
1. Call Daktronics Customer Service.
Market Description Customer Service Number
Schools (primary through community/junior colleges),
religious organizations, municipal clubs, and
community centers
877-605-1115
Universities and professional sporting events, live events
for auditoriums, and arenas 866-343-6018
Financial institutions, petroleum, sign companies,
gaming, and wholesale/retails establishments 866-343-3122
Department of Transportation, mass transits, airports, and
parking facilities 800-833-3157

Replacement Parts
8
2. Mail the old part to Daktronics when the new exchange part is received.
If the replacement part xes the problem, send in the problem part which is being
replaced.
a. Package the old part in the same shipping materials in which the replacement
part arrived.
b. Fill out and attach the enclosed UPS shipping document.
c. Ship the part to Daktronics.
Daktronics will charge for the replacement part immediately, unless a qualifying
service agreement is in place. In most cases, the replacement part will be invoiced
at the time it is shipped.
3. Return the part within 30 working days if the replacement part does not solve the
problem, or Daktronics will charge the full purchase price.
If the part is still defective after the exchange is made, please contact Daktronics
Customer Service immediately. Daktronics expects immediate return of an exchange
part if it does not solve the problem. Daktronics 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 Daktronics Customer Service.
Refer to the telephone number listed on the previous page.
2. Receive a Return Materials Authorization (RMA) number before shipping.
Refer to the telephone number listed on the previous page.
3. Package and pad the item carefully to prevent damage during shipping.
Electronic components, such as printed circuit boards, should be placed in an
antistatic bag before boxing. Daktronics does not recommend packing peanuts
when shipping.
4. Enclose the following information:
• Name
• Address
• Phone number
• RMA number
• Clear description of symptoms
Shipping Address
Daktronics Customer Service
600 E 54th St N
Sioux Falls, SD 57104
Case #

Replacement Parts
9
Warranty & Limitation of Liability
The Daktronics Warranty & Limitation of Liability statement is located in Section C:
Daktronics Warranty & Limitation of Liability (p.15). The warranty is independent of
extended service agreements and is the authority in matters of service, repair, and
display operation.

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Reference Documents
11
A Reference Documents
Use the following documents in the order listed:
• NPN-410X/ZPN-1000 Series Substructure Quick Guide (DD3922077)
• NPN-4100 Series Panel Basics Quick Guide (DD3851280)
• NPN-4100 Series Sectional Installation & Service Quick Guide (DD3830324)
• NPN-410X Series Border Installation Quick Guide (DD3838321)

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DD3922077
Rev 03
16 April 2020
NPN-410X/ZPN-1000 Series Wall-Mount Substructure Quick Guide Page 1 of 1
201 Daktronics Drive
Brookings, SD 57006-5128
www.daktronics.com/support
800.325.8766
The standard NPN-410X/ZPN-1000 display
substructure is vertical aluminum tubing
with mounting pass-through holes and
shims for attachment to a wall or
equivalent structure. The panels are
self-drilled into the vertical tubes at four
points per panel. The tubes must be
vertically level, or plumb, on the face
and sides, horizontally level on the
top/bottom across multiple tubes,
vertically at along each tube, and
horizontally at across multiple tubes.
Tubes come in two different types
(panel-to-panel tubes and narrow
tubes for the far-left and far-right edges
of the display face) in nine different
sizes ranging from one panel high to
a maximum of nine panels high. Refer
to Figure 1. Each panel height has two
mounting pass-through holes.
1. Attach 3/4" plywood to the wall before substructure attachment if the
holes in the tubes do not line up with studs on the wall. Other wall
materials such as concrete should not require the 3/4" plywood, but
refer to the contract-specic Shop Drawing for verication.
2. Check the wall for atness and levelness with a laser level (or a level
and string if a laser level is not available). Refer to Figure 2.
Figure 2: Marked Tube Positions Figure 3: Attach Tube
1: Mounting pass-through hole
2: Additional mounting pass-through
hole for seismic-affected regions
1
2
a. A three-plane laser level is preferred. Set the Z-plane a set distance
from the wall. Mark the tube positions and make note of the high
and low points of the wall along the tube screw position.
Figure 1: Tube Type
b. A string level can be used if a laser level is unavailable. Mark the
tube positions and install all vertical tubes. Mount each tube to
the wall with one screw and secure a string line taut across all
vertical tubes. It is recommended to run two string lines per vertical
tube. This method will show the highest point of the wall. Shim all
remaining tubes to touch the string line.
3. Fill the required hole(s) in the tubes. Refer to Figure 3. In
seismic-affected regions, two holes per panel height must be lled. In
all other regions, only one hole per panel height is required. Refer to the
contract-specic Shop Drawing for details on how many holes to ll.
4. Attach the tube (center tube rst)
and use a large level to ensure the
side of the tube is level. Refer to
Figure 4. Tubes will recess 1/4" from
both the top and bottom of the
display. Refer to Figure 5.
Ensure the tube is positioned
vertically within 1/4" of the
specications on the Shop Drawing.
Start the tube mounting hardware
through the tube into the wall, but do
not tighten down.
Figure 5: Tube on Panel (Top View)
5. Add shims on the started hardware
between the tube and the wall and
use a level to ensure the tube
remains plumb to the wall and at
over the entire length of the tube.
Refer to Figure 6. If the appropriate
amount of shims is not used, the wall
anchors can bow.
Note: The shims on the left and
right tubes should be
oriented so the
tail/tag sticks out behind
the display and out of
sight when the display
is fully installed. Refer to
Figure 7.
6. Repeat Steps 1-5 to attach the remaining tubes to the right and left
of the center tube. Level each tube separately. Refer to Figure 8 and
Figure 9. Place shims between the wall and the tube until the tube is
plumb. Each individual tube should be level within 1/4" from the lowest
to highest point along the entire vertical length of the display tube(s).
Figure 4: Verify Plumb First Tube
Figure 6: Verify
Plumbness
Figure 7: Shim
Orientation
Figure 8: Check Plumbness Figure 9: Check Plumbness
7. Check the atness at the top and bottom of the tubes (Figure 10),
along the height of the tubes (Figure 11), and diagonally across the
tubes (Figure 12), measuring across three tubes at a time, to ensure
it does not exceed the max out of at of 1/16" and there is no rocking.
Each individual tube should be level within 1/4" from the lowest to
highest point along the entire vertical length of the display tube(s). If
the tube does not meet the level with a gap greater than 1/4" or if there
is rocking, add shims to the affected tubes to bring them into spec.
Figure 10: Check
Flatness
Figure 11: Check
Flatness
Figure 12: Check
Flatness
8. Re-level any individual vertical tube
that was adjusted but do not remove
the shims that were added to make
the tube faces at to each other.
Repeat this step, incrementing one
tube to the right or left so all tubes in
the display are plumb, level to each
other, and at to each other. After
this has been veried, tighten down
the tube hardware to the wall.
9. Repeat Steps 1-8 if additional rows of
tubes are required. Space the tubes
approximately 1/2" apart vertically.
Refer to Figure 13. Tighten down the hardware and quality check the
plumbness and atness.
After the tube hardware is tightened down and the tubes are level and
at, begin panel installation. Refer to the appropriate Installation & Service
Quick Guide: NPN-4100 (DD3830324), NPN-4101 (DD4133945), NPN-4102
(DD4174150), or ZPN-1000 (DD4175845).
Figure 13: Install Second Row

NPN-4100 Series Panel Basics Quick Guide Page 1 of 1
DD3851280
Rev 00
21 May 2018
201 Daktronics Drive
Brookings, SD 57006-5128
www.daktronics.com/support
800.325.8766
Figure 1 (rotated front view) and Figure 2 (rotated rear view) show the basic features of a typical NPN-4100 series display panel.
Figure 1: Display Panel (Rotated Front View)
2
3
1
6
1
1
6
5
6
7
7
7
7
7
7
7
7
1: Rotating draw latch @ 3 per panel
2: Module power harness (black & red)
3: Panel-to-panel power harness (black, green, & white)
4: Module alignment hole @ 8 per panel
5: Internal electrical pass-through hole @ 8 per panel
6: Draw latch pin @ 3 per panel
7: Module-to-panel magnet @ 8 per panel
8: Panel mounting hole @ 4 per panel
9: Panel adjustment hardware hole @ 4 per panel
5
5
5
5
Detail A
5
5
5
Detail A
8
9
4
4
4
4
4
4
1
1
1: Top alignment pin (removable) @ 2 per panel
2: Stitch bolt hole @ 8 per panel
3: Border attachment hole @ 8 per panel
4: Spring-loaded side alignment pin (retractable) @ 2 per panel
5: Cable raceway
6: Power entrance, signal entrance, or blank plate
7: Vent hole @ 4 per panel
8: Folding handle
9: Mounting surface @ 4 per panel
2
2
3
3
3
5
6
7
7
3
7
7
8
9
9
9
Figure 2: Display Panel (Rotated Rear View)
4
4
2
2