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TRANSISTOR - DIODE TESTER KIT
MODEL DT-100K
Assembly and Instruction Manual
ELENCO
®
Copyright © 2014, 1988 by ELENCO
®
All rights reserved.
Revised 2014
REV-R
753110
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 DT-100K
- Page 1 TRANSISTOR - DIODE TESTER KIT MODEL DT-100K Assembly and Instruction Manual ELENCO ® Copyright © 2014, 1988 by ELENCO ® All rights reserved. Revised 2014 REV-R 753110 No part of this book shall be reproduced by any means; electronic, photocopying, or otherwise without written permission from the publisher.
- Page 2 DT-100 PARTS LIST If you are a student, and any parts are missing or damaged, please see instructor or bookstore. If you purchased this transistor–diode tester 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. DO NOT contact your place of purchase as they will not be able to help you.
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Page 3: Parts Verification
PARTS VERIFICATION Before beginning the assembly process, familiarize yourself with the components and this instruction book. Verify that all of the parts are present. This is best done by checking off the parts in the parts list. RESISTORS CAPACITOR SEMICONDUCTORS Diode Carbon film Electrolytic... - Page 4 • Turn off iron when not in use or reduce temperature setting when using a soldering station. The most important factor in assembling your DT-100K Transistor - Diode Kit is good soldering techniques. Using the proper soldering iron • Tips should be cleaned frequently to remove oxidation before it becomes is of prime importance.
- Page 5 ASSEMBLE THE FOLLOWING COMPONENTS TO THE PC BOARD R4 - 330kΩ Resistor (org-org-yel-gold) J1 - Jumper Wire R1 - 330Ω Resistor (see Figure A) (org-org-brn-gold) R5 - 220Ω Resistor R3 - 33kΩ Resistor R6 - 220Ω Resistor R2 - 33kΩ Resistor (red-red-brn-gold) (org-org-org-gold) R9 - 47kΩ...
- Page 6 ASSEMBLE THE FOLLOWING COMPONENTS TO THE PC BOARD L1 - LED & Spacer Q1 - 2N3904 Transistor L4 - LED & Spacer (see Figure B) L2 - LED & Spacer L5 - LED & Spacer C1 - 10µF Electrolytic L3 - LED & Spacer (see Figure C) (see Figure D) Q5 - MPS A70 Transistor...
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Page 7: Final Assembly
FINAL ASSEMBLY r Peel the backing off of the front label and carefully r Strip ¼” insulation off both ends of the yellow wire adhere it to the top case, aligning the holes while and insert one end into hole “B” on the blue doing so, as shown in Figure I. - Page 8 r Strip the insulation off both ends of the blue wire r Solder the red wire from the battery snap to the to expose 1/4” of bare wire. Solder one end to the other lug on the push button switch, as shown in hole on the copper side of the PC board, as Figure L.
- Page 9 r Remove the colored boots from the four alligator r Remove the backing from each rubber foot and clips (to remove the boots, clip the alligator clip place them in the locations shown in Figure Q. onto a pencil and slide the boot off). Slide each r...
- Page 10 CHECKING OUT YOUR TRANSISTOR/DIODE TESTER The following is a simple procedure for testing your DT-100. If the tests fail, refer to the troubleshooting guide for help. Diode Operation: Transistor Operation: (using leads) 1. Place the switch in the diode position. Short the black and red leads together and push in the test 1.
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Page 11: Theory Of Operation
THEORY OF OPERATION Note the schematic diagram on the back cover of Varying the base current control will reduce the base this manual. The test transistor in this circuit is a current. The lower the base current, the higher the NPN. - Page 12 ELENCO ® 150 Carpenter Avenue • Wheeling, IL 60090 (847) 541-3800 • www.elenco.com • e-mail: elenco@elenco.com...