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FM WIRELESS MICROPHONE KIT

MODEL K-30/AK-710

Assembly and Instruction Manual

Elenco

®

Electronics, Inc.

Copyright © 2006, 1994 by Elenco

®

Electronics, Inc. All rights reserved.

Revised 2006      REV-J                753016

No part of this book shall be reproduced by any means; electronic, photocopying, or otherwise without written permission from the publisher.

Summary of Contents for AK-710

Page 1: ...ction Manual Elenco Electronics Inc Copyright 2006 1994 by Elenco Electronics Inc All rights reserved Revised 2006 REV J 753016 No part of this book shall be reproduced by any means electronic photoco...

Page 2: ...700 CAPACITORS Qty Symbol Value Description Part 1 C4 10pF 10 Discap 211011 1 C5 12pF 12 Discap 211210 1 C6 33pF 33 Discap 213317 2 C3 C7 001 F 102 Discap 231035 2 C1 C2 1 F 104 Discap 251010 SEMICOND...

Page 3: ...ow 4 Green 5 Blue 6 Violet 7 Gray 8 White 9 BAND 2 2nd Digit Color Digit Black 0 Brown 1 Red 2 Orange 3 Yellow 4 Green 5 Blue 6 Violet 7 Gray 8 White 9 Multiplier Color Multiplier Black 1 Brown 10 Red...

Page 4: ...duced by allowing the amplifiers before detection to limit or saturate This principle is shown in Figure 2 The standard broadcast band for FM was also designed to have an audio range up to 25 000 Hert...

Page 5: ...d used to change the capacitance length of the pendulum of the electronic oscillator s tuned circuit This causes the frequency of the oscillator to make slight changes at the same rate as the sound st...

Page 6: ...nent Lead Solder Soldering Iron Drag Foil 1 Solder all components from the copper foil side only Push the soldering iron tip against both the lead and the circuit board foil 2 Apply a small amount of...

Page 7: ...gray wire to expose 1 8 of bare wire Mount and solder the wire to the foil side of the PC board in hole J5 Cut a 1 1 2 red wire and 1 1 2 black wire Strip the insulation off of both ends to expose 1...

Page 8: ...ire Mount and solder the black wire to the foil side of the PC board in hole J4 and the red wire in hole J3 Solder the free end of the black wire to the negative clip J3 J4 Foil Side of PC Board Inser...

Page 9: ...gether with three 2 6 x 8mm screws and one 2 5mm x 4mm screw as shown in Figure H Insert the stand in the case as shown in Figure H Push the foam cover onto the case as shown in Figure H Insert two AA...

Page 10: ...s Get an FM radio and tune it away from any FM stations You should hear only noise and no programs Place the unit about 2 feet from the radio with the microphone facing the radio speaker Remove the fo...

Page 11: ...uency of the carrier wave Hertz A term used to indicate the number of cycles per second High Fidelity A term used to indicate total coverage of the hearing system Inductor A device capable of storing...

Page 12: ...to sound waves it acts like a changing _____________ 7 An oscillator circuit is similar to the _______________ in a clock 8 Sound striking the microphone is converted to an electrical signal amplified...

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