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AUTO-SCAN FM RADIO KIT
MODEL FM-88K
ELENCO
®
150 Carpenter Avenue
Wheeling, IL 60090
(847) 541-3800
Website: www.elenco.com
e-mail: elenco@elenco.com
Assembly and Instruction Manual
To see our complete line of Educational Products
go to WWW.ELENCO.COM
ELENCO
®
Copyright © 2011 by ELENCO
®
All rights reserved.
753050
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 FM-88K
- Page 1 AUTO-SCAN FM RADIO KIT MODEL FM-88K ELENCO ® 150 Carpenter Avenue Wheeling, IL 60090 (847) 541-3800 Website: www.elenco.com e-mail: elenco@elenco.com Assembly and Instruction Manual To see our complete line of Educational Products go to WWW.ELENCO.COM ELENCO ® Copyright © 2011 by ELENCO ®...
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Page 2: Parts List
PARTS LIST GLOSSARY (Continued) If you are a student, and any parts are missing or damaged, please see instructor or bookstore. If you purchased this Radio Frequency. Transistor A semiconductor component kit from a distributor, catalog, etc., please contact ELENCO ®... -
Page 3: Troubleshooting
PARTS IDENTIFICATION TROUBLESHOOTING Contact ELENCO ® if you have any problems. DO NOT contact your place of purchase as they will not be able RESISTORS CAPACITORS COILS SEMICONDUCTORS to help you. r d) Have any solder bridges formed? A solder 1. - Page 4 Verify that FM signals are present in your location by Use the following information as a guide in properly identifying the value of resistors. listening to another FM radio placed near the FM-88K. Figure L 1. Install fresh 9V battery into holder.
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Page 5: Description And Features
(see Figure J) (brown-black-orange-gold) • Electronic auto-scan FM RADIO FM-88K is a receiver • Volume control of 8Ω speaker S2 - Push button switch C6 - 33pF Discap (33) for searching FM stations •... - Page 6 Check if the battery is properly installed in signals - the one whose frequency is equal to the IC The model FM-88K is a monophonic FM receiver the battery holder and that the power switch - followed by the limiter, the demodulator, mute made on base TDA7088T IC, as shown in the is operational.
- Page 7 ASSEMBLE COMPONENTS TO THE PC BOARD transferred through resistor R3 to the anode of the Capacitor C20 is a bypass and necessary for an varactor diode D1 (BB910), causing its capacitance amplifier with a high gain IC. Capacitor C18 blocks the Place a check mark in the box provided next to each step to indicate that the step is completed.
- Page 8 • Turn off iron when not in use or reduce temperature setting when using a soldering station. The most important factor in assembling your FM-88K Auto-scan FM Radio Kit is good soldering techniques. Using the proper soldering iron • Tips should be cleaned frequently to remove oxidation before it becomes ASSEMBLE COMPONENTS TO THE PC BOARD is of prime importance.