DAKTRONICS NPN-46X0 Series Electrical Install User Guide

: September 6, 2024
: DAKTRONICS

Table of Contents

DAKTRONICS NPN-46X0 Series Electrical Install
Product Information
Product Usage Instructions
FAQ
Display Accessories
Mechanical Installation
Panel-to-Structure Adjustment
Electrical Installation
Module Installation
Service
CONTACT
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DAKTRONICS NPN-46X0 Series Electrical Install

Product Information

Specifications

Product Name: NPN-46X0 Series Panel
Manufacturer: Daktronics
Model: NPN-46X0

Product Usage Instructions

Note: Steel tubes are not recommended for the substructure, as metal filings can accumulate on the magnets and cause module flatness issues.

Identify which panels require power and/or signal inputs.
Route power/signal inputs around the structure before panel installation using designed gaps between substructures.
Start with the bottom-center panel as the foundation.
Work outward and upward to install the rest of the panels.

FAQ

Q: What tools are provided by Daktronics for installation?
A: Daktronics provides standard display accessories including screws, module removal tools, and magnetic adjustment tools.
Q: What tools should customers provide for installation and service?
A: Customers should provide tools such as a cordless drill, tape measure, screwdrivers, drill bits, and hex/allen keys.
Q: How should power and signal inputs be routed for panel installation?
A: Route power/signal inputs around the structure using designed gaps between substructures and at the top and bottom of the display to run the cables horizontally across the display.

Warnings and Disclaimers

Ensure that all electrical work meets or exceeds all local or national electrical codes.
Provide the required power to the display as listed on the product labels, specifications, or site-specific riser drawings. The conductor size may vary based on the length of the power run.
Consider implementing a separate circuit for the display using an isolation transformer or dedicated transformer.
Daktronics assumes no liability for any issues caused by line voltage fluctuations or other improper power conditions.

Display Accessories

Daktronics provides the following standard display accessories. Refer to Figure 1.

Module Removal Tool
Flatness Bar – 2 Holes
Flatness Bar – 4 Holes
M5x8 Socket Head Screw
ST6.3×38 Self-Drilling Screw
M5x12 Set Screw
Magnetic Adjustment Tool
C-Clamp

Daktronics provides the following cables. Refer to Figure 2.

Signal Jumper Cable
Power Input 1-In-1
Power Input 1-In-2

Customer provides the following tools for installation and service. Refer to Figure 3.

Phillips Screwdrivers
M3 Allen Key, and 4mm Allen Key (to remove a M5 bolt).
4mm hex ball end driver bit (Greatly speed up the process to install screws from the front)
Level
Cordless Drill
6mm Drill Bits
Tooling Bits – Philips head PH1-3.0
Tape Measure

Mechanical Installation

Note: Steel tubes are not recommended for the substructure, as metal filings can accumulate on the magnets and cause module flatness issues.

Power/Signal Input Identification & Routing

Identify which panels will require power and/or signal inputs. Refer to the contract-specific Shop and Riser Drawings for details.
Route power/signal inputs around the structure prior to panel installation. Use the designed gaps between the substructures and at the top and bottom of the display to run the cables horizontally across the display. Refer to Figure 4 and Figure 5.

First Panel Installation

Start with the bottom-center panel, which will be the foundation of other panels. Then, work outward and upward to install the rest of the panels. Refer to Figure 6.
Measure and mark the correct panel location. Refer to Figure 7.
Remove the panel from its packaging.
Note: Please be careful when handling the cabinets. Do not set them onto a rough surface, to avoid scratching the rear side paint.
Mark the mounting holes in the panel for pre-drilling. Refer to Figure 8.
Slide the panel positioning jigs into the bottom of the mounting tubes with the jigs on the inside edge of the tube. Refer to Figure 5.
The panel will sit on the punched edge of the positioning jig, using the bottom of the tube to set the location. Refer to Figure 9 and Figure 10.
Use C-clamps to secure the bottom of the installation jigs to the bottom of the mounting tubes. Refer to Figure 11.
Level the jigs and adjust as needed.
Lift the panel into place.
Align the panel to the marked location and verify the location is leveled.
Hold the panel in place and mark the screw locations through the mounting screw holes with a punch.
Remove the panel and set it aside to keep it clear of metal filings.
Pre-drill 1/8″ [3 mm] holes into the tube at the marked mounting locations. Refer to Figure 12.
Identify where power will enter the display prior to panel installation.
Route the male end of the AC power input cable through the rectangular cutout in the panel prior to placing the panel if installing a panel where power needs to land. Refer to Figure 13.

Note: Depending on the structure and access to the rear of the display, it may be very difficult or impossible to route power cables into the panel after the panel is secured to the tube.

Use 8 mm hex wrenches to remove the M5 nuts securing the appropriate cover on the inside of the cabinet. Refer to Figure 14.
Use a Phillips screwdriver to remove the two screws securing the power cable of the panel. For bits use Phillips head PH1-3.0 or Phillips screwdriver for M4 screws. Refer to Figure 15.
Install the power input cable through the rear of the panel and plug in the cable. Fasten the two screws back. Refer to Figure 16.
Secure the panel to the tubes with a 1/4″ TEK screw through all four corner mounting locations. Refer to Figure 17.
Level the Panel. Refer to Figure 18.
Use a 3 mm Allen wrench and select a suitable location to adjust the jacking hardware and correct any flatness issue. Refer to Figure 19.

Panel-to-Structure Adjustment

Only make small adjustments to the jacking and securing hardware.

Pull Panel Corner to Structure

Loosen the jacking hardware. This may pull the panel closer to the structure.
Tighten the securing hardware. This pulls the panel closer to the structure until it contacts the panel adjustment screws on the rear of the panel.

Push Panel Corner from Structure

Loosen the securing hardware. This may push the panel away from the structure.
Tighten the jacking hardware. This pushes the panel away from the structure until it touches the head of the securing hardware.

Secure Panel Corner Spacing

Achieve the desired depth to match adjacent panels.
Secure the corner in place to prevent movement.
Tighten both bolts until they touch the panel or tube.

Panel-to-Panel Adjustment

Remove the panel from its packaging.
Place the panel beside the existing panel.
Remove the panel positioning jig from the right side of the first panel to use on the left side of the new panel.
Install the panel positioning jigs adjacent to the first panel and use a level across the jigs.
Place a panel on top of each of the two existing panels.
Use a 5 mm Allen wrench and socket-head stitch screws (circled in yellow) to attach the panels together, but do not tighten the screws. Refer to Figure 20.
Use a 5 mm Allen wrench and socket-head stitch screws (circled in red) to attach the panels together. Refer to Figure 21.
Install the top and side interconnect hardware.
Use a 3 mm Allen wrench to tighten the jacking hardware next to the existing panel until the panel is firmly seated against the tube. Refer to Figure 22. Tighten the remaining adjustment hardware until it touches the tube.
Mark the screw locations through the mounting screw holes with a punch. Pre-drill 1/8″ [3 mm] holes into the tube at the marked mounting locations. Refer to Figure 12.
Secure the panel to the tubes with a 1/4″ TEK screw through all four corner mounting locations. Refer to Figure 17.
Ensure the panel is flush and flat to the lower panels:
- Check seams to verify flatness.
- Verify flatness by laying a 4′ level across the face to ensure the combined face of both panels is straight and flat. Check both ends of the panel. Refer to Figure 23. Figure 23: Verify Flatness
- Use a 3 mm Allen wrench to adjust the jacking hardware as needed to modify the four corners of panel depth. Refer to Figure 22.

Side-to-Side Panel Connection X-axis and Y-axis Adjustment

Remove the panel from its packaging.
Place the panel on top of the existing panel, fitting the alignment pins into the recesses.
Use a 5 mm Allen wrench and socket-head stitch screws to attach the panels together, but do not tighten the screws. Refer to Figure 24.
Use a 5 mm Allen wrench to attach the flattening plate to the front of the panels, and ensure the panel faces are completely flush. Refer to Figure 25, Figure 26, and Figure 27.
Note: Use a 5 mm Allen wrench to tighten the socket-head screws, but do not remove the flattening plate.
Use a 3 mm Allen wrench to tighten the jacking hardware next to the existing panel until the panel is firmly seated against the tube. Refer to Figure 22. Tighten the remaining adjustment hardware until it touches the tube.
Secure the panel to the tubes through all four corner mounting locations. Refer to Figure 17 and Figure 28.
Ensure the panel is flush and flat to all adjacent panels.
- Check seams to verify flatness.
- Verify flatness by laying a 4′ level across the face horizontally, vertically, and diagonally to ensure the combined face of both panels is straight and flat. Check both ends of the panel. Refer to Figure 29.
- Use a 3 mm Allen wrench to adjust the jacking hardware as needed to modify the depth on the four corners of the panel. Refer to Figure 22 and Figure 23.
- Check flatness or alignment at all joints. Refer to Figure 24, Figure 25, Figure 26, Figure 27, and Figure 30.

Border Installation

Remove the borders from its packaging.
Note: Be careful when handling the borders, do not set them onto rough surfaces to avoid scratching the paint.
Place the short border on the vertical side and long border on the horizontal side. Attach each border with two socket head stitch screws per border. Install all borders along one side first before proceeding to the next side. Refer to Figure 31.
Insert the border piece on one border and push it in. Then, install the other border on the panel. Place the border with the corner piece to the panel, and get the corner piece inserted to the installed border. Tighten the borders with two socket-head stitch screws. Refer to Figure 32.
Note: The border corner piece cannot be inserted after both borders are installed on the panel.

Electrical Installation

Power & Signal Input

The power input is located on the bottom of each panel. The supplied power cable can be plugged directly into this input as shown in Figure 33.
Refer to the contract-specific Shop and Riser Drawings for part numbers.
The signal input is located on the bottom of the hub board. Refer to Figure 34. Refer to the contract-specific Shop and Riser Drawings for part numbers.

Power Connection

The panels are designed for vertical power interconnection only. Plug the power from the lower panel into the panel above it. Refer to Figure 35.
Refer to the contract-specific Shop and Riser Drawings for specific routing details.

Signal Connection

Signals can be routed horizontally or vertically with the supplied Cat 5e cables. The primary signal is connected to Port B1 and Port B2. A redundant signal is connected to Port A1 and Port A2. Refer to Figure 36 and Figure 37.
Refer to the contract-specific Shop and Riser Drawings for specific routing details.
Reverse the steps in Module Removal (p.6) to install the modules.

Z-Axis Seam Adjustment

If a module is lower than adjacent modules, remove the module and turn the magnet out for adjustment. Refer to Figure 38 and Figure 39. Use a magnetic adjustment tool to loosen the magnet, then turn the magnet by hand.
If a module is higher than adjacent modules, remove the adjacent modules and adjust the appropriate magnets until the modules are flush.
This may take several attempts.

X/Y-Axis Seam Adjustment
When modules are installed on a display, all modules should be pushed toward the center of the display until all PCBs touch or nearly touch each other. When the display is turned on, there should be many bright seams but no dark seams. If dark seams are present, adjust the seams to be bright. The software will be used later to remove bright seams.

Module Installation

Always wear gloves while handling modules. Refer to Figure 40
Start in the bottom middle of the display and then install left and right. Then move up 1 row. Refer to Figure 41.
Avoid pushing modules on the tiles edges. Refer to Figure 42.

Service

Module Removal

Disconnect power to the display.
Ensure the face of the supplied removal tool is free of dust and metal filings that can damage the modules and LEDs. Refer to Figure 43 and Figure 44.
Hold and place the magnetic removal tool face to the center of the module to be removed. Apply pressure with the removal tool until the suction created can carry the module. Refer to Figure 45.
Hold the removal tool by hand and pull the module out directly. Refer to Figure 46 . Do not tilt the module.
Holding the module with the tool, carry the module to a safe place.
Push the button to let air into the cup. Remove the tool from the module. Refer to Figure 47.

Complete all power and signal connections before module installation.

Hub Board Exchange

Disconnect power to the display.
Remove all the modules of the affected cabinet. Refer to Module Removal (p.6).
Disconnect the DC power harness from the top of the hub board.
Remove the two screws securing the power supply.
Remove the eleven screws securing the hub board and then remove the hub board. Refer to Figure 48.

Reverse these steps to re-install a (new) hub board.

Receiver Card Exchange

Disconnect power to the display.
Refer to Hub Board Exchange (p.6) process as a required step to access the receiver card.
Flip the hub board to find the receiver card. Refer to bottom right of Figure 48.
Remove the two screws to release the receiver card. Refer to Figure 49.

Reverse these steps to install a receiver card. Ensure the receiver card is firmly pressed into the hub board and the jacks are fully seated. Reinstall the module after the receiver card is replaced. Reverse the steps in Module Removal (p.6).
Refer to the contract-specific Shop and Riser Drawings for specific routing details.
Reverse these steps to re-install a (new) receiver card.

Note: Check the receiver card’s orientation to make sure the jack connector fits the hub board.

Power Supply Exchange

Disconnect power to the display.
Remove the AC power connector on the power supply. Refer to Figure 50.
Remove the 2 screws of the mounting bracket securing the power supply position. Refer to Figure 51.
Remove the 2 screws of the DC power connection to the hub. Refer to Figure 52.
Push the power supply up from the right side. Disengage the hook from the pin on the left side to release the power supply fully. Then, remove the power supply. Refer to Figure 53.