Auto Racing Display
Model CH-1036H
Installation & Maintenance Manual
.
ED 6616
Project#1081
Rev. 2 - 06 August, 1998
Copyright © 1992 Daktronics, Inc.
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.
ED 6616
DA
KTRONICS, INC.
Setting New Standards Worldwide
P.O. Box 5128 331 32nd Ave. Brookings, SD 57006
Phone (605)697-4400 or (800) 843-9879 Fax 697-4444
Table of Contents
1. Introduction .............................................................................................................1-1
1.1 How To Use This Manual ..........................................................................................1-1
1.2 Display Overview.......................................................................................................1-1
2. Installation ...............................................................................................................2-1
2.1 General System...........................................................................................................2-1
2.2 Beam and Footing Selection.......................................................................................2-1
2.3 Display Mounting.......................................................................................................2-2
2.4 Electrical Installation..................................................................................................2-2
2.4.1 Control Signal Cable.....................................................................................2-2
2.4.2 Power Wiring ................................................................................................2-3
3. Maintenance & Troubleshooting............................................................................3-1
3.1 Lamp Replacement.....................................................................................................3-1
3.2 Lamp Driver...............................................................................................................3-1
3.3 Digit Segmentation.....................................................................................................3-1
3.4 Schematic ...................................................................................................................3-2
3.5 Troubleshooting .........................................................................................................3-2
3.6 Replacement Parts......................................................................................................3-3
3.7 Unit Exchange/Replacement Procedure.....................................................................3-3
Table of Contents
i
Section 1: Introduction
1.1 How To Use This Manual
This manual explains the installation and maintenance of the CH-1036H auto racing display
system. Setup of other control equipment or operation of the CHTS-300 timing console are
not covered in this manual. For questions regarding the safety, installation, operation or
service of this system, please refer to the telephone numbers listed on the cover page of this
manual.
Important Safeguards:
1. Read and understand these instructions before installing.
2. Do not drop the control console or allow it to get wet.
3. Be sure the scoreboard is properly grounded with a ground rod at the display
location.
4. Disconnect power to the display when it is not in use.
5. Disconnect power when servicing the display.
6. Do not modify the display structure or attach any panels or coverings to the
display without the written consent of Daktronics, Inc.
The box below illustrates Daktronics drawing numbering system. The drawing number
“7087-P08A-69945” is how Daktronics identifies individual drawings. This number is
located in the lower-right corner of the drawing. This manual refers to drawings by listing the
last set of digits and the letter preceding them. In the example below, the drawing would be
referred to as Drawing A-69945. Referenced drawings are inserted at the end of the first
section which references them.
1.2 Display Overview
Reference Drawing: Display, CH-1036H........................................Drawing A-51724
Drawing A-51724 shows a Daktronics CH-1036H auto racing display. The CH-1036H
display along with the use of the Daktronics CHTS-300 timing console will display the lap
number and lap time on the display.
Introduction 1-1
Section 2: Installation
2.1 General System
Reference Drawings: Pwr/Sig Entrance, 1 Driver Display .............Drawing A-46755
Connector Plate, CH-836H .........................Drawing A-47128
Color Code, 25-Pin J-Box ...........................Drawing A-47207
Installation Specifications............................Drawing A-50136
Display Splice Mounting..............................Drawing A-51576
Display Mounting, CH-XX36H.....................Drawing A-51757
Component Locations, CH-1036H..............Drawing A-51804
Refer to Drawing A-51728 for a general system layout.
The general procedure for installing the CH-1018H display is as follows:
1. Select beam and footing recommendations from the table below.
2. Dig the footing holes and install beams and footings.
3. Route power and signal cables to the display and control locations.
4. Mount the displays to the beams as described in Section 2.3 and Drawings A-50136, A51756 and A-51757.
5. Route power and signal wires into the displays as described in Section 2.4 and Drawings
A-46755, A-47128, A-47207, and A-51804.
2.2 Beam and Footing Selection
Reference Drawing: Installation Specifications, CH-1036H...........Drawing A-50136
The table below contains recommendations for W-shape beams and footings to support the
display as shown in Drawing A-50136. The first column is wind velocity in miles per hour.
The distance in the second column is from the ground to the bottom of the display. The
choice from these columns depends upon the display location.
The beams listed below are beams which provide maximum wind load strength for the weight
and cost of the beams.
Wind
Speed
70 mph 10 W8 x 15 4 ¾ ft x 3 ft
15 W6 x 20 5 ½ ft x 3 ft
80 mph 10 W8 x 15 5 ½ ft x 3 ft
15 W8 x 20 6 ¾ ft x 3 ft
90 mph 10 W8 x 17 6 ¼ ft x 3 ft
15 W8 x 24 7 ft x 3 ft
The calculations for footing diameters and depths are based on the assumption that footings
are in undisturbed soils, not fill soils. Lateral bearing capacity of 300 psf per foot of depth in
natural grade was used to derive these figures.
Height
(ft)
Beam
Section
Footing
Depth x Dia.
Installation
2-1
The footing recommendations are based on the allowable soil bearing pressure of 3000 psf
vertically and 300 psf/ft of depth horizontally. However, these recommendations are
suggestions only and soil bearing pressure at the site must be determined by a sample test prior
to specifying actual footings. Be sure that the installation complies with local codes and is
suitable for the particular soil and wind conditions. Daktronics assumes no responsibility for
structures installed by others. Daktronics recommends that W-sections of grade 35 steel be used
for beams, and that 28-day (strength 3000 psi) concrete be used for footings.
A note about beam nomenclature: For a typical beam, W6 x 12 for example "W" stands for
"Wide-Flange Beam". The first number (6) is the approximate front to rear dimension of the
beam in inches. The second number (12) is the weight per foot in pounds. This numbering is a
standard in the steel industry. Widths are from 6.00 to 8.00 inches in the chart above.
2.3 Display Mounting
Reference Drawings: Display Splice Mounting..............................Drawing A-51576
Display Mounting, CH-XX36H.....................Drawing A-51757
Drawing A-51757 shows the typical mounting for the display.
Note: The bolts that secure the display sections do not go through the beams, but run along
both sides of the beam to clamp the display to the beams.
A mounting kit consisting of 9 mounting angles 3 splice channels and 1/2" hardware are
provided to mount the display.
1. Position the display against the mounting beams and secure the bottom of the display to
both beams as shown in Drawing A-51757.
2. Next, secure the top of the display. Once mounting angles are attached, the display may
be slid up or down to the desired height.
3. Once positioned as desired, tighten all bolts.
4. Position the right display section next to the left display section and secure to the beam
the same way as the left display section was mounted.
5. Secure remaining mounting angles.
6. Attach the 3 splice channels at the top, bottom and center of the display where the two
display sections meet to secure the two sections together as shown in Drawing A-51756.
2.4 Electrical Installation
2.4.1 Control Signal Cable
Reference Drawings: Pwr/Sig Entrance, 1 Driver Display..Drawing A-46755
For the display, two conductors of 24 AWG are needed. For distances up to 600 ft. or
22 AWG, up to 1000 ft. are required. Daktronics has 24 AWG direct burial cable,
Daktronics part no. W-1105 with 6 conductors, and 22 AWG cable that must be
pulled through the conduit before burial, Daktronics part no. W-1077 with 2
conductors.
Color Code, 25-Pin J-Box ...............Drawing A-47207
Component Locations,CH-1036H...Drawing A-51804
2-2
Installation
At the control location, mount the signal J-box to a convenient location. Route the
cables and connect to the wires leading from the connector in the cover according to
the table below and Drawing A-47207.
At the display, open the bottom hinged panel covering the entrance enclosure as
shown on Drawing A-51804. Remove the cover from the entrance enclosure. Refer
to Drawing A-46755 for an illustration of the components inside the entrance
enclosure. Connect the signal wires to TB31 as indicated in the table below.
Control End Display End
J-box Terminal No. Wire Color Output No. TB31 Terminal No.
14 Red/Wht 1* 1 (+)
15 Grn/Wht 2 (-)
*Auxiliary display(s) require(s) a different output no.(s). Consult your CHTS-300 console
manual.
2.4.2 Power Wiring
Reference Drawing: Pwr/Sig Entrance, 1 Driver Display....Drawing A-46755
The CH-1036H display requires a 120/240 VAC, 40 amp circuit per line. When
equipped with 25W lamps, the maximum current draw is 45 amps. When equipped
with 30W, 30R20 reflector lamps, the maximum current draw is 54 amps.
Route power wires into the display and connect to TB41 in the entrance enclosure, as
shown in Drawing A-46755.
Connect the ground wire to E41 and to a ground rod near the display, according to
local codes.
Installation
2-3
Section 3: Maintenance & Troubleshooting
IMPORTANT NOTES:
1. Disconnect power before any repair or maintenance work is done on the
display!
2. Any access to internal display electronics must be made by qualified
service personnel.
3. Disconnect power when the display is not in use.
3.1 Lamp Replacement
Reference Drawing: Digit Service ..................................................Drawing A-27674
The primary service required by the CH-1036H display is to replace burned-out lamps. Refer
to Drawing A-27674 for an illustration of how to access the digit lamps for replacement.
Standard replacement lamps for the digits are 120V, 25W frosted medium base and may be
obtained at your local store or directly from Daktronics, part number DS-1029. Some displays
may be equipped with 120V, 30W reflector type 30R20 lamps, Daktronics part number DS-
1126.
Do not use lamps larger than those originally installed in the display. Using higher power
lamps will likely cause fuse failures in the display and could exceed the current levels that the
display's circuits can safely handle.
3.2 Lamp Driver
Reference Drawings: Lamp Driver, 16 col. w/ Fan.........................Drawing A-37070
Component Locations.................................Drawing A-51804
In the display, the task of switching lamps on and off is performed by the lamp driver.
Drawing A-51804 in Section 2 shows the location of the lamp driver in the display.
Drawing A-37070 is an illustration of the lamp driver and the fuses located in it.
The lamp driver has 21 connectors, providing power and signal inputs and outputs to digits.
The functions of these connectors are as follows:
Connector Number Function
1-16 Outputs to digits
17 Signal Input
18 Power input for outputs 1-8 (120 V)
19 Power input for driver logic and fan (120V)
20 Power input for outputs 9-16 (120V)
24 Dim option selector
In Drawing A-51804, the numbers on the digits refer to the lamp driver output connector
wired to each digit.
3.3 Digit Segmentation
Maintenance & Troubleshooting
3-1
Reference Drawing: Segments, 4x7 Lamp Matrix Digit..................Drawing A-37685
In a digit certain lamp always go on and off together. These groupings of lamps are known as
"segments". Each digit has eight segments, referred by letters A through H. Drawing A-
37685 illustrates these segments and shows which connector pin and wire color is wired to
each segment.
3.4 Schematic
Reference Drawings: Schematic, 1 Driver Display ........................Drawing A-46754
Pwr/Sig Entrance, 1 Driver Display.............Drawing A-46755
Component Locations.................................Drawing A-51804
The schematic diagram in Drawing A-46754 shows the power and signal inputs into the
display and to the lamp driver. The component numbers correspond to those shown in
Drawings A-46755 and A-51804.
3.5 Troubleshooting
Observed Problem Possible Cause
One lamp won’t light
Digit segment won’t light
Entire digit won’t light
Half the display won’t light
Entire display won’t light
Segment stays lit
Garbled display
If a problem is observed in one digit, the cause may be isolated by swapping plugs on the
driver (connect the plug from the digit into a different jack). If the same digit shows the same
problem, the cause may be in the digit or the wiring. If the problem moves to another digit,
then the cause is probably an internal driver problem.
Use a volt meter at driver inputs to determine if power is being supplied to the driver. An
ohmmeter can be helpful in finding broken wires and bad connections. Internal electronic
problems must be correct by Daktronics or an authorized service center.
3-2
Maintenance & Troubleshooting
• Burned-out lamp
• Broken wire behind digit
• Broken wire
• Poor contact at driver connector
• Internal driver malfunction
• Broken wire (black)
• Poor contact at connector, pin 7
• Fuse blown in driver
• Service breaker tripped
• Main fuse blown
• Poor contact at main power connection
• P18 disconnected
• Power disruptions
• Poor signal connection
• Driver logic fuse blown
• Control not connected to display
• P20 disconnected
• Broken wire behind digit
• Internal driver malfunction
• Control malfunction
• Internal driver malfunction
3.6 Replacement Parts
Part Name or Description Type Part Number
Lamp Driver 0A-1033-0122
J-Box, CHTS-300 Timer 0A-1033-0056
Fuse, Lamp Driver, 10A AGC-10 F-1006
Fuse, Driver Logic, 1/2A AGC-1/2 F-1000
Digit Lampbank, 36” 4x7 0A-1081-0073
Digit Screen, 36” 4x7 0S-1081-0038
Socket, Med. Base X-1046
Lamp, 25W Frosted DS-1029
Lamp, 30W Reflector 30R20 DS-1126
Lamp, 55W Clear Flood 55PAR38 DS-1101
Lamp, 85W Amber Flood 85PAR38 DS-1184
Lamp, 85W Green Flood 85PAR38 DS-1185
Lamp, 85W Red Flood 85PAR38 DS-1186
3.7 Unit Exchange/Replacement Procedure
Daktronics unique exchange program offers our clients the quickest, most economical way of
receiving product repairs. If a component fails, Daktronics will send the customer a
replacement. The customer, in turn, sends the failed component to Daktronics. This not only
saves money but decreases the time the display is inoperable. Daktronics offers repair and
return on a timely basis; in urgent situations, every attempt is made to ship by the fastest
transit method available.
1. Packaging for Return: Package and pad the item well to prevent damage during
shipment. Electronic components, such as printed circuit boards, should either be
installed in an enclosure or placed in an anti-static bag before boxing.
Please enclose your name and address along with a list of all the symptoms. Please be
as specific as possible.
2. Driver Packaging Instructions: Drivers should be placed in a static-free enclosure
for return shipping. An anti-static convoluted foam packing is available from
Daktronics (part number PK-1135). The shipping box (Daktronics part number PK-
1006) should be used along with the foam.
3. Where to Send: Contact your local representative prior to shipment to acquire a
Return Material Authorization Number (RMA#). This will speed up the repair of
your unit.
When returning defective items under the exchange program, please use the UPS Blue
Return Tags found in the package containing the exchange unit sent from Daktronics.
This will speed up the transaction and help avoid confusion when the part is returned
to Daktronics. The defective item must be returned within 15 days of receiving a
replacement part. Using the UPS Blue Return Tag immediately will eliminate the
possibility of late charges being assessed against your account.
Mail: Daktronics, Inc., Customer Service
Maintenance & Troubleshooting
3-3
PO Box 5128
331 32
nd
Avenue
Brookings, SD 57006
Phone: Toll Free: 1-800-843-9879
or 1-605-697-4400
Customer Service Fax: 1-605-697-4444
E-Mail: helpdesk@daktronics.com
3-4
Maintenance & Troubleshooting
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