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METAL DETECTOR KIT
MODEL K-26
Assembly and Instruction Manual
Elenco
Electronics, Inc.
TM
TM
Copyright © 2003, 1989 by Elenco
Electronics, Inc. All rights reserved.
Revised 2003
REV-D
753226
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 for Elenco Electronics K-26
- Page 1 METAL DETECTOR KIT MODEL K-26 Assembly and Instruction Manual Elenco Electronics, Inc. Copyright © 2003, 1989 by Elenco Electronics, Inc. All rights reserved. Revised 2003 REV-D 753226 No part of this book shall be reproduced by any means; electronic, photocopying, or otherwise without written permission from the publisher.
- Page 2 If you are a student, and any parts are missing or damaged, please see instructor or bookstore. If you purchased this metal detector kit from a distributor, catalog, etc., please contact Elenco (address/phone/e-mail is at the back of this manual) for additional assistance, if needed.
- Page 3 While everyone dreams of finding a fortune in gold coins, few do anything to look for them. Now with the K-26 Metal Detector, you have a chance. Although you may not find a fortune in gold, you should find a few silver coins if you work the beaches or parks.
- Page 4 CONSTRUCTION Introduction The most important factor in assembling your K-26 Metal Detector Kit is good soldering techniques. Using the proper soldering iron is of prime importance. recommended. The tip of the iron must be kept clean at all times and well tinned.
- Page 5 ASSEMBLE COMPONENTS TO THE PC BOARD P1 - 50kW Potentiometer R1 - 15kW 5% 1/4W Resistor (brown-green-orange-gold) Q1 - MPS5172 Transistor (see Figure A) L1 - Coil (see Figure B) C2 - .0015mF Capacitor (152) Figure A Mount the transistor to the PC board at the location shown.
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Page 6: Troubleshooting
TROUBLESHOOTING Electronics if you have any problems. DO NOT contact your place of purchase as they will Contact Elenco not be able to help you. 1. One of the most frequently occurring problems is poor solder connections. a) Tug slightly on all parts to make sure that they are indeed soldered. - Page 7 QUIZ 1. The Metal Detector basic circuit is an ___________. 2. The Metal Detector transmits in the ___________ radio band. 3. The frequency of the oscillator changes when brought near ___________. 4. The LC circuit is the ___________ of the oscillator. 5.
- Page 8 Elenco Electronics, Inc. 150 W. Carpenter Avenue Wheeling, IL 60090 (847) 541-3800 http://www.elenco.com e-mail: elenco@elenco.com...
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