Daktronics CH-1421V, Installation & Maintenance Manual

Page 1: ...r 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 in...

Page 2: ...P O Box 5128 331 32nd Ave Brookings SD 57006 Phone 605 697 4400 or 800 843 9879 Fax 697 4444...

Page 3: ...eral System 2 1 2 3 Display Mounting 2 2 2 4 Electrical Installation 2 3 2 4 1 Control Signal Wiring 2 3 2 4 2 Power Wiring 2 3 2 4 3 Grounding 2 3 3 Maintenance Troubleshooting 3 1 3 1 Lamp Replaceme...

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Page 5: ...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 sys...

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Page 7: ...m Reference Drawing Shop Dwg Mounting Details Drawing A 49278 The table below contains recommendations for W shape beams and footings to support the display Refer to Drawing A 49278 The first column i...

Page 8: ...ounting Details Drawing A 49278 Drawing A 49278 shows the typical mounting for the display Note The bolts that secure the display to the beam s do not go through the beam s but run along both sides of...

Page 9: ...onnect 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...

Page 10: ...th hot lines and the neutral can all be disconnected This is important in protecting the display against lightning There are two considerations for power installation New Power Installation and Existi...

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Page 17: ...n the display Using higher powered 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 Draw...

Page 18: ...bleshooting This section lists some symptoms that may be encountered with the CH 1421V display For these symptoms possible causes and corrective actions are indicated This list does not include every...

Page 19: ...186 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 sen...

Page 20: ...sion 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...

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