Elenco Electronics SM-200K Assembly And Instruction Manual
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Elenco Electronics SM-200K Assembly And Instruction Manual

Elenco Electronics SM-200K Assembly And Instruction Manual

Elenco electronics sm-200k surface mount technology kit: user guide
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SMT - TRAINING COURSE
Elenco
Copyright © 2007, 2000 Elenco
No part of this book shall be reproduced by any means; electronic, photocopying, or otherwise without written permission from the publisher.
MODEL SM-200K
Surface Mount Technology Kit
Assembly and Instruction Manual
®
Electronics, Inc.
®
Electronics, Inc.
Revised 2007
REV-L
753200

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  • Page 1 Assembly and Instruction Manual Elenco Copyright © 2007, 2000 Elenco ® Electronics, Inc. No part of this book shall be reproduced by any means; electronic, photocopying, or otherwise without written permission from the publisher. MODEL SM-200K ® Electronics, Inc. Revised 2007 REV-L 753200...

  • Page 2: Parts List

    PARTS LIST If you are a student, and any parts are missing or damaged, please see instructor or bookstore. If you purchased this kit from a distributor, catalog, etc., please contact Elenco is at the back of this manual) for additional assistance, if needed. DO NOT contact your place of purchase as they will not be able to help you.

  • Page 3: Theory Of Operation

    INTRODUCTION Need help in making up your mind? Just ask the SM-200K Decision Maker. Press the ask button and the right answer will be given to your question. The Decision Maker has six light emitting diodes (LEDs) that are driven ON and OFF one at a time in sequence.
  • Page 4 BUZZER The SM-200K buzzer consists of a piezoelectric material on a metal base. When a voltage is applied to a piezoelectric material its dimensions change. The buzzer is connected to the 2kHz oscillator. When the oscillator runs, the changing dimensions of the piezoelectric buzzer act like the cone of a speaker to set up sound waves.

  • Page 5: Parts Verification

    ASSEMBLY INSTRUCTIONS INTRODUCTION Assembly of your SM-200K Decision Maker will prove to be an exciting project and give much satisfaction and personal achievement. If you have experience in soldering and wiring technique you should have no problem in the assembly of this kit. Care must be given to identifying the proper components and in good soldering habits.
  • Page 6 3. Place the iron in contact with the PC board foil. Apply a small amount of solder simultaneously to the foil and the component and allow them to melt the solder. 4. Remove the iron and allow the solder to cool. The solder should have flowed freely and not lump up around the component.
  • Page 7 If you are unfamiliar with soldering surface mount components, it would help to practice a bit before starting the assembly process. Six 0 ohm resistors, marked (000), are supplied with the SM-200K kit. Only two are used in the assembly process. The other four may be used for practice.
  • Page 8 SOLDER CAPACITORS AND SEMICONDUCTORS TO PC BOARD D1 - Diode (1N4148) (RA6J), (A6), (A2) or (5H) C3 - 100μF Lytic (See Figure 8) Q1 - Transistor (3904) (R1A), (1A), (N71), (1AM), or (KINC) LED 1 LED 2 LED 3 Figure 6 Mount IC with pin 1 as shown on the PC board illustration.
  • Page 9 ASSEMBLE LARGE COMPONENTS TO PC BOARD Place the buzzer on the PC board with the white center facing outward and solder to the PC board at the points shown in Figure 10. Strip inch insulation off both ends of the short red wire. Solder the wire to the buzzer and the PC board as shown in Figure 10.

  • Page 10: Final Assembly

    FINAL ASSEMBLY Use scissors or single edge razor blade to cut the thick cushion tape into four 1/4 inch pieces. Peel off one of the protective layers and stick the tape to the corners of the PC board as shown in Figure 12. Peel the protective backing off the 3 X 4 1/2 inch red filter.
  • Page 11 “false” if both inputs are “true”. output is “true”. 6) The SM-200K uses... A) 10 oscillator circuits. B) 6 oscillator circuits. C) 2 oscillator circuits. D) none of the above. 7) The 4011 IC contains...

  • Page 12: Schematic Diagram

    SCHEMATIC DIAGRAM Elenco ® Electronics, Inc. • 150 Carpenter Avenue • Wheeling, IL 60090 (847) 541-3800 • Fax: (847) 520-0085 • Web site: www.elenco.com • e-mail: elenco@elenco.com...

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