Elenco Electronics K-28 Assembly And Instruction Manual Download Page 1

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POCKET DICE KIT

MODEL K-28

Assembly and Instruction Manual

Revised 2005 REV-D

753228

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

Elenco

Electronics, Inc.

Summary of Contents for K-28

Page 1: ...ual Copyright 2005 1989 by Elenco Electronics Inc All rights reserved Revised 2005 REV D 753228 No part of this book shall be reproduced by any means electronic photocopying or otherwise without writt...

Page 2: ...141500 r 1 R1 100kW 5 1 4W brown black yellow gold 161000 CAPACITORS Qty Symbol Value Description Part r 1 C1 01mF Discap 241031 SEMICONDUCTORS Qty Symbol Value Description Part r 1 D19 1N4001 Diode 3...

Page 3: ...r actual value printed on them Some capacitors may have their value printed in the following manner The maximum operating voltage may also be printed on the capacitor Second Digit First Digit Multipli...

Page 4: ...t of IC1A is low the output will be high thus when the input of IC1B is high its output will be low This output is fed to the input of IC1A via capacitor C1 and is called positive feedback a key eleme...

Page 5: ...s shown in Figure 8 When the die displays a one only LED D3 will light For this to happen output pin 4 5 and 6 or IC2 will have to go low 0 and the following will result 1 D3 turns on as its cathode w...

Page 6: ...onent 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: ...W Resistor brown green red gold J1 Jumper Wire see Figure A D17 1N4148 Diode D18 1N4148 Diode see Figure C R6 1 2kW 5 1 4W Resistor brown red red gold R1 100kW 5 1 4W Resistor brown black yellow gold...

Page 8: ...er than a round ball Resolder any connection that has formed into a ball d Have any solder bridges formed A solder bridge may occur if you accidentally touch an adjacent foil by using too much solder...

Page 9: ...es all of the money in the center belongs to him and he may make another center bet if he wishes increasing or decreasing his previous bet as he sees fit but no one is ever forced to bet and he may gi...

Page 10: ...tal circuit which gives a HIGH output if some of its inputs are LOW NOR Gate A type of digital circuit which gives a HIGH output if none of its inputs are HIGH Ohm W W The unit of measure for resistan...

Page 11: ...SCHEMATIC DIAGRAM 10...

Page 12: ...Elenco Electronics Inc 150 Carpenter Avenue Wheeling IL 60090 847 541 3800 Fax 847 520 0085 Website www elenco com e mail elenco elenco com...