Elenco Christmas Tree Kit User Manual

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CHRISTMAS TREE KIT
MODEL K-14
Assembly and Instruction Manual
ELENCO
®
Copyright © 2012, 1989 by Elenco
®
Electronics, Inc. All rights reserved. Revised 2012 REV-I 753214
No part of this book shall be reproduced by any means; electronic, photocopying, or otherwise without written permission from the publisher.
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Summary of Contents

Page 1 - CHRISTMAS TREE KIT

CHRISTMAS TREE KITMODEL K-14Assembly and Instruction ManualELENCO®Copyright © 2012, 1989 by Elenco®Electronics, Inc. All rights reserved.

Page 2 - PARTS IDENTIFICATION

Qty. Symbol Description Part #r 1 PC board 518031r 1 SW1 Switch 541022r 1 B1 Battery holder 590096r 1 Buzzer with wires 595202Qty. Symbol Description

Page 3 - CIRCUIT OPERATION

INTRODUCTIONThe Electronic Christmas Tree Kit is a fun project which also gives you the opportunity to learn about the wonderful fieldof electronics.

Page 4 - CONSTRUCTION

-3-CONSTRUCTIONSolderSoldering IronFoilSolderSoldering IronFoilComponent LeadSoldering IronCircuit BoardFoilRosinSoldering iron positionedincorrectly.

Page 5 - Figure B

-4-ASSEMBLE COMPONENTS TO THE PC BOARDFigure CInsert the IC socket intothe PC board with thenotch in the directionshown on the top legend.Solder the I

Page 6 - SOUND CIRCUIT INSTALLATION

-5-1. Thread the buzzer wires through the hole (near C7)from the component side of the PC board as shownin Figure E.2. Solder the wire from the outer

Page 7 - TROUBLESHOOTING

-6-SCHEMATIC DIAGRAMOPERATING INSTRUCTIONSTurn the switch on. The LEDs will randomly blink and the three melodies will begin to play.TROUBLESHOOTINGCo

Page 8

QUIZ1. The main component of the Electronic Christmas Tree is the ___________ IC.2. There are __________ 555 timers used in our circuit.3. The LED lig

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