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Elenco Electronics AK-510, Assembly And Instruction Manual, Page: 2 / 20

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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

®

Electronics (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.

RESISTORS

Qty.

Symbol

Description

Color Code

Part #

1

R16

300

Ω

5% 1/4W

orange-black-brown-gold

133000

1

R15

5.6k

Ω

5% 1/4W

green-blue-red-gold

145600

1

R5

39k

Ω

5% 1/4W

orange-white-orange-gold

153900

4

R1, 2, 8, 9

47k

Ω

5% 1/4W

yellow-violet-orange-gold

154700

1

R3

75k

Ω

5% 1/4W

violet-green-orange-gold

157500

1

R14

270k

Ω

5% 1/4W

red-violet-yellow-gold

162700

2

R11, R12

300k

Ω

5% 1/4W

orange-black-yellow-gold

163000

1

R13

470k

Ω

5% 1/4W

yellow-violet-yellow-gold

164700

1

R10

510k

Ω

5% 1/4W

green-brown-yellow-gold

165100

1

R6

620k

Ω

5% 1/4W

blue-red-yellow-gold

166200

1

R7

1.2M

Ω

5% 1/4W

brown-red-green-gold

171200

1

R4

1.6M

Ω

5% 1/4W

brown-blue-green-gold

171600

CAPACITORS

Qty.

Symbol

Value

Description

Part #

1

C8

500pF (501)

Discap

225080

1

C9

.01

µ

F (103)

Discap

241031

2

C2, C3

10

µ

F 25V

Electrolytic (Lytic)

271045

2

C4, C5

22

µ

F 25V

Electrolytic (Lytic)

272245

2

C1, C6

100

µ

F 16V

Electrolytic (Lytic)

281044

SEMICONDUCTORS

Qty.

Symbol

Value

Description

Part #

1

D1

1N4148

Diode

314148

1

Q1

MPSA18

Transistor NPN

320018

1

IC1

LM324

Integrated Circuit

330324

1

IC2

HT2812G

Integrated Circuit

332812

1

IC3

78L05

Integrated Circuit

338L05

1

S1

LHI-954 / KDS245

Infrared Detector

350954

MISCELLANEOUS

Qty.

Description

Part #

1

PC Board

517019

1

Speaker w/ Wires

520813

1

Switch Key

540105

1

SW1 - Slide Switch

541007

1

Battery Snap

590098

1

Front Cover

623104

1

Back Cover

623202

1

Mounting Bracket

626004

Qty.

Description

Part #

1

Battery Cover

626005

2

Screw #4 x 1/4”

642430

2

Screw #4 x 5/8”

643450

2

Washer #4 (Fiber)

645404

1

Socket IC 8-Pin

664008

1

Socket IC 14-Pin

664014

1

Solder Tube

9ST4

Note: The text printed on
the LHI-954 Infrared
Detector is the date code.

Resistor

Battery Snap

Capacitor

PARTS

IDENTIFICATION

Electrolytic

Transistor

Integrated Circuit

Discap

Diode

Infrared Detector

Integrated

Circuit

Socket

Speaker

Switch

-1-

Summary of Contents for AK-510

Page 1: ...lenco Electronics Inc All rights reserved Revised 2006 REV N 753010 No part of this book shall be reproduced by any means electronic photocopying or otherwise without written permission from the publisher Elenco Electronics Inc Assembly and Instruction Manual ...

Page 2: ...W brown blue green gold 171600 CAPACITORS Qty Symbol Value Description Part 1 C8 500pF 501 Discap 225080 1 C9 01µF 103 Discap 241031 2 C2 C3 10µF 25V Electrolytic Lytic 271045 2 C4 C5 22µF 25V Electrolytic Lytic 272245 2 C1 C6 100µF 16V Electrolytic Lytic 281044 SEMICONDUCTORS Qty Symbol Value Description Part 1 D1 1N4148 Diode 314148 1 Q1 MPSA18 Transistor NPN 320018 1 IC1 LM324 Integrated Circui...

Page 3: ...ir 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 Multiplier Tolerance The letter M indicates a tolerance of 20 The letter K indicates a tolerance of 10 The letter J indicates a tolerance of 5 For the No 0 1 2 3 4 5 8 9 Multiply By 1 10 100 1k 10k 100k 01 0...

Page 4: ...Component 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 solder to the iron tip This allows the heat to leave the iron and onto the foil Immediately apply solder to the opposite side of the connection away from the iron Allow the heated component and t...

Page 5: ...tower the pressure at the bottom of the tower can be quite high In order to keep a constant pressure in the water pipes that go to the houses the pressure must be lowered and held constant Consider the system shown in Figure 1 As people draw water into their homes the pressure on the low pressure side of the valve drops The spring pulls the valve arm inside the pipe up along opening the valve and ...

Page 6: ...eat when it strikes a solid surface All solid bodies at a temperature above absolute zero emit thermal radiation As a body s temperature rises the shorter the resulting wavelengths become The human body s maximum thermal radiation is between 9µm and 10µm in the infrared stage Motion can be detected by special elements which are highly sensitive in the infrared range Such devices are called Pyroele...

Page 7: ...capacitors The number of these components used and the way they are assembled determines the characteristics of the amplifier An amplifier that can perform many mathematical operations such as adding subtracting or multiplying voltages is called an Operational Amplifier or Op Amp The characteristics of an ideal op amp are the following A infinite voltage gain no voltage at all on the input control...

Page 8: ...t and input voltages are of opposite polarity VOLTAGE COMPARATOR Operational amplifiers can be used to compare the amplitude of one voltage with another As a comparator its function is to determine when an input voltage exceeds a certain level When used as a comparator the op amp is used without feedback and at maximum gain One input is set to a reference voltage and the other tied to the input vo...

Page 9: ...ted the voltage at the output will change and trigger either IC1C or IC1B The op amps IC1A IC1B and IC1C are configured as voltage comparators In the ready state the output of IC1A is high and IC1B and IC1C are low When IC1D outputs a voltage lower than 1 41V it will force pin 2 of IC1 high When IC1D outputs a voltage higher than 1 67V it forces pin 8 and pin 2 of IC1 to go high A high in with one...

Page 10: ... D R5 39kΩ 5 1 4W Resistor orange white orange gold R3 75kΩ 5 1 4W Resistor violet green orange gold C8 500pF 501 Discap D1 1N4148 Diode see Figure A R4 1 6MΩ 5 1 4W Resistor brown blue green gold See Note R6 620kΩ 5 1 4W Resistor blue red yellow gold See Note R9 47kΩ 5 1 4W Resistor yellow violet orange gold 14 pin IC Socket IC1 LM324 Integrated Circuit see Figure C R12 300kΩ 5 1 4W Resistor oran...

Page 11: ...70kΩ 5 1 4W Resistor yellow violet yellow gold SW1 Slide Switch R16 300Ω 5 1 4W Resistor orange black brown gold 8 pin IC Socket IC2 HT2812G Integrated Circuit see Figure C Q1 MPSA18 Transistor see Figure B R15 5 6kΩ 5 1 4W Resistor green blue red gold Speaker Wires Solder the two wires to the PC board marked SPK Note If wires need resoldering 1 First apply a small amount of solder to the outside ...

Page 12: ...switch key onto the switch as shown in Figure 17 Make sure that the key switch is sitting properly on the switch Step 3 Place the PC board into the front case as shown in Figure 18 Attach the back case to the front case with two 4 x 5 8 screws Note There is a small groove that the key switch fits into Figure 16 4 x 1 4 Screws 4 Washers Figure 17 Switch Key Figure 18 ...

Page 13: ... position it disconnects the voltage to the sound generator IC only The rest of the circuit is still operating The battery will run down if it is left in the OFF position To increase battery life remove the battery if you intend to leave the unit in the OFF position for long periods of time INSTALLATION The detector can be either placed on a flat surface or mounted onto a wall Adjust the angle lev...

Page 14: ... 25V C 700V A Voltage at point A incorrect 1 Check R1 2 Check for a short between point A and GND B Voltage at point B incorrect 1 Check R1 C1 for correct value 2 Check for a short between point B and GND C Voltage at point C incorrect 1 Check R2 C2 for correct value 2 Check for a short between point B and GND C B A OPERATIONAL AMPLIFIERS 3 Measure the voltages at IC1 while the unit is at standby ...

Page 15: ...he voltage at the following pins on U2 as listed in the chart below A No voltage at pin 3 1 Check R13 R14 SW1 and C5 B No 5V at pin 5 1 Check SW1 solder connection 2 No 5V at pin 6 3 Check C9 C Outputs two short tones 1 Check C5 Pin Voltage 1 0 3 8V 7 0 3 8V 8 0 3 8V 14 1 5 3 8V U2 Voltage Voltage Pin No Sound Sound 3 0 0 4V 5 5V 5V 6 5V 7 0V 735V Q1 Voltage Voltage Pin No Sound Sound E 0 0V B 0V ...

Page 16: ...nt energy is transformed into heat C mechanical energy is transformed into heat D solar energy is transformed into heat 6 What are the two inputs called in an op amp A non inverting and inverting B V1 and V2 C VEE and VCC D gates 7 A high pass filter attenuates all signals A between two frequencies B below the critical frequency C above the critical frequency D with high amplitudes 8 The formula f...

Page 17: ... 16 SCHEMATIC DIAGRAM ...

Page 18: ...eedback Comparator An electronic device to detect voltage differences Critical Frequency The frequency at which power in a filter falls to half Crystals An inorganic body with plane surfaces in a geometrical form Current The flow of electrons Detector A device that changes signals into useful information Electromagnetic A radiated wave having both electric and magnetic properties FET Field Effect ...

Page 19: ...tors Reference Voltage Level of electronic element used for providing resistance in a circuit Resistor An electric element used for providing resistance in a circuit Response Curve The shape of an output produced by a circuit Solder An alloy mixture of tin and lead used in the melted state to join or repair metal parts Transistor A three terminal semiconductor device used for amplification switchi...

Page 20: ...Elenco Electronics Inc 150 Carpenter Avenue Wheeling IL 60090 847 541 3800 Web site www elenco com e mail elenco elenco com ...

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