Related Manuals for Elenco Electronics AK-500/K-39
Summary of Contents for Elenco Electronics AK-500/K-39
- Page 1 LOVE TESTER KIT MODEL AK-500/K-39 Assembly and Instruction Manual Elenco Electronics, Inc. Copyright © 1994 Elenco Electronics, Inc. Revised 2003 REV-D 753239...
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Page 2: Parts List
PARTS LIST Contact Elenco Electronics (address/phone/e-mail is at the back of this manual) if any parts are missing or damaged. DO NOT contact your place of purchase as they will not be able to help you. Qty. Symbol Value R1, R8 470W 5% 1/4W 15kW 5% 1/4W 56kW 5% 1/4W... -
Page 3: Theory Of Operation
IDENTIFYING RESISTOR VALUES Use the following information as a guide in properly identifying the value of resistors. BAND 1 1st Digit Color Bands Black Multiplier Brown Tolerance Orange Yellow Green Blue Violet Gray White IDENTIFYING CAPACITOR VALUES Capacitors will be identified by their capacitance value in pF (picofarads), nF (nanofarads), or mF (microfarads). Most capacitors will have their actual value printed on them. - Page 4 THE DECADE COUNTER The 4017 IC is a 5 stage divide by 10 counter. Figure 2 shows a diagram of this IC. This IC has 10 outputs and a clear input. Only one of the 10 outputs will be high at any given time.
- Page 5 CONSTRUCTION Introduction The most important factor in assembling your AK-500 Love Tester Kit is good soldering techniques. Using the proper soldering iron is of prime importance. recommended. The tip of the iron must be kept clean at all times and well tinned.
- Page 6 ASSEMBLE COMPONENTS TO THE PC BOARD J3 & J4 - Battery Snap Install the red wire into the positive (+) hole and the black wire into the negative (–) hole as shown. Bend the leads to hold the battery snap in place. Solder and cut off the excess leads.
- Page 7 ASSEMBLE COMPONENTS TO THE PC BOARD (CONTINUED) Figure I Solder the 1” 24 ga. bare wire to S1 and S2 as shown. Cut the wire so that each end extends 1/16” above the PC board. Then, bend the wires toward each other and also press them flat against the PC board with your pliers.
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Page 8: Operating Procedure
OPERATING PROCEDURE Operating your Love Tester is very simple. Just connect a 9 volt battery to the battery snap and you are ready to go. Push the PRESS button to get your rating as a lover! TROUBLESHOOTING Contact Elenco Electronics if you have any problems. DO NOT contact your place of purchase as they will not be able to help you. - Page 9 QUIZ Fill in the blanks and check your answers below. 1. When driven by clock pulses, the outputs of the decade counter will go on and _____________ at a time in sequence. 2. LEDs are driven by a _____________ _____________. 3.
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Page 10: Schematic Diagram
SCHEMATIC DIAGRAM... - Page 11 NOTES -10-...
- Page 12 Elenco Electronics, Inc. 150 W. Carpenter Avenue Wheeling, IL 60090 (847) 541-3800 http://www.elenco.com e-mail: elenco@elenco.com...
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