Elenco Digital / Analog Trainer Kit Version Manuel d'utilisateur

DIGITAL / ANALOG TRAINERMODEL XK-550KA COMPLETE MINI-LAB FOR BUILDING,TESTINGAND PROTOTYPING ANALOG AND DIGITAL CIRCUITSTools and meter shown not incl

-9-MOUNTING THE PC BOARDNote: The holes in the two side panels have been punched differently. Be sure that you have the correct sidepanel when mountin

MOUNT COMPONENTS TO THE SIDE PANELSMount U1, U3 and U5 to the left side panel as shown in Figure N. Insert the pins of each IC into the holes ofthe PC

-11-WIRE THE TRANSFORMER TO THE PC BOARDSolder the wires to the PC board starting with the top yellow wire as shown in Figure P.Yellow wire to point F

HOW TO INSTALL CONNECTORS ONTO TRANSFORMER WIRESAconnector will be placed onto the primary wires of the transformer. This will allow you to remove the

MOUNT COMPONENTS TO PANELPush the illuminated switch into the hole in the toppanel with the lugs as shown in Figure Q.Install the fuse holder with the

WIRE SWITCH AND FUSE HOLDER (see Figure U)Line CordSlide the line cord through the back panel as shown.Spread the three line cord wires apart 6” from

-15-RESISTANCE ANALYSIS OF POWER SUPPLYStatic testing of the power supply circuits. Do not plug the power supply into the 120VAC power supplysource un

-16-Locations for Testing Points•••211926•••182025•••2227175-pin connector left5-pin connector +205-pin connector right5-pin connector –20GNDGround•••

VOLTAGE ANALYSIS OF POWER SUPPLYProceed with the voltage analysis only if the resistance readings were satisfactory.Place the top panel on the unit. I

-18-POWER SUPPLY TESTINGPlug the trainer into a 120VAC outlet and switch to the “ON” position (the power switch should light). With adigital voltmeter

Screw IdentificationPhillips AB Screw 4-40 / #6 Thread Cutting Screw Standard Screw(Type 23)Flat Head Screw-1-PS-550-BXK-550K POWER SUPPLY KIT (PS-550

-19-PROBLEM POSSIBLE CAUSENo voltage at negative variable output. 1. Measure for an AC voltage of 18VAC at cathode of D8, D10.A. Transformer and/or se

Figure YFINAL ASSEMBLYIf you are immediately going to build the remaining sections, do not continue with the instructions onthis page and proceed to p

-21-Figure AAFigure BBFigure CCINSTALL COMPLETED UNIT INTO CASELatch the case lid down. Remove the protective backing from the case label. Stick the l

-22-CIRCUIT DESCRIPTIONThe power supply features two variable output voltages and three fixed 12V, –12V and 5V variable output voltagesare 1.25V to 20

-23-In practice, the current through the diodes is not as shown in Figure 2C.Because capacitor C1 has a charge after the first cycle, the diode will n

-24-SCHEMATIC DIAGRAM - POWER SUPPLY SECTION123841011671259131418202519 2126172227152328162429#Test PointREV-F25V2200µF

-25-QUIZ - POWER SUPPLY SECTIONINSTRUCTIONS - Complete the following examination and check your answers carefully.1. AC voltage is supplied to the rec

AN-550-CXK-550 ANALOG KIT (AN-700-C) PARTS LISTRESISTORSQty. Symbol Value Color Code Part #2 R14, R44 100Ω 5% 1/4W brown-black-brown-gold 1310001 R5 2

-27-INTRODUCTION - ANALOG SECTIONThe Analog Section of your trainer contains a complete function generator capable of producing sine, square,and trian

Figure BInsert the IC socket into the PCboard with the notch in thedirection shown on the toplegend. Solder the IC socketinto place. Insert the IC int

-2-PARTS VERIFICATIONBefore beginning the assembly process, first familiarize yourself with the components and this instruction book.Verify that all p

Figure GDiodes have polarity. Mount withband in the direction shown on thePC board.Figure FHold the bredblox down flushto the PC board from the topleg

-30-INSTALL COMPONENTS TO PC BOARDStart HereJ18 - Jumper Wire(see Figure A)R13 -8.2kΩ5%1/4W Resistor(gray-red-red-gold)J17 - Jumper Wire(see Figure A)

RESISTANCE ANALYSIS OF ANALOG SECTIONStatic testing of the analog circuits. Do not plug in the power supply into 120VAC power source until allresistan

VOLTAGE ANALYSIS OF ANALOG SECTIONProceed with the voltage analysis only if the resistance readings were satisfactory. The values given beloware appro

-33-5. Set VR8 fully counter-clockwise.6. Adjust the DC OFFSET knob until the meter reads 0 volts DC.7. Set the meter to the 20 volts AC range and slo

FINAL ASSEMBLYIf you are immediately going to build the remaining section, do not continue with the instructions onthis page, proceed to page 35.Faste

-35-CIRCUIT DESCRIPTIONThe function generator frequencies are produced by an XR2206integrated circuit. This IC is capable of producing high quality si

SCHEMATIC DIAGRAM - ANALOG SECTION-36-

XK-550 DIGITAL KIT (DG-550-D) PARTS LISTRESISTORSQty. Symbol Value Color Code Part #8 R36 - R43 120Ω 5% 1/4W brown-red-brown-gold 1312001 R15 220Ω 5%

-38-USERS DESCRIPTION OF FRONT PANEL1. Output Terminals - For all functions as stated. 4 pins per block.2. Two Logic Switches - These are no bounce lo

-3-IntroductionThe most important factor in assembling your XK-550K Digital / Analog Trainer Kit is good soldering techniques.Using the proper solderi

INSTALL COMPONENTS TO PC BOARDStart HereR34 - 100kΩ 5% 1/4W Resistor(brown-black-yellow-gold)R35 - 100kΩ 5% 1/4W Resistor(brown-black-yellow-gold)R33

Figure AMount the connector as shown and solder thepins of the connector.INSTALL COMPONENTS TO PC BOARDR43 - 120Ω 5% 1/4W Resistor(brown-red-brown-gol

ContinueINSTALL COMPONENTS TO PC BOARDStart HereU9 - IC socket 14-pinU9 - 74HC04 IC(see Figure D)ContinueD25 - LED and Spacer(see Figure B)J27 - Jumpe

Figure FMount the switch onto the legend sideof the PC board as shown. Flip theboard over and solder the part intoplace. Be sure to keep the threesold

-43-RESISTANCE ANALYSIS OF DIGITAL SECTIONPlace the top panel onto the unit. Static testing of the digital section circuits. Do not plug the power sup

-44-VOLTAGE ANALYSIS OF DIGITAL SECTIONPlug the power supply into a 117 volt power source. The values given below are approximate.From To Switch Posit

-45-TESTING THE DIGITAL SECTIONTESTING THE LOGIC INDICATOR FUNCTIONThere are eight logic indicators which you will be checking out. Put a wire to the

-46-FINAL ASSEMBLYFasten the front panel inplace with four #6 x 3/8”thread cutting screws, asshown in Figure I.Fasten the PC board tothe spacer on the

-47-INSTALL COMPLETED UNIT INTO CASETie a knot in the line cord 12” from the switch location. Feed the line cord between the cross bracket and thePC b

-48-CIRCUIT DESCRIPTION - DIGITAL SECTIONTHE DATA SWITCHESThere are eight data switches labeled SW1 through SW8. The circuit is very simple. To perfor

-4-INTRODUCTIONThe XK-550K Digital/Analog Trainer is divided into four separate kits: BB-550-A, PS-550-B, AN-550-C and DG-550D. Each bag of parts is c

SCHEMATIC DIAGRAM-49-

-50-QUIZ - DIGITAL SECTIONINSTRUCTIONS: Complete the following examination, check your answers carefully.1. The logic switches consist of . . .A. two

Elenco®Electronics, Inc.150 Carpenter AvenueWheeling, IL 60090(847) 541-3800Web site: www.elenco.come-mail: [email protected]

Figure CMount down flush with PC board. Thevalue may be marked on the on theback side of pot.Cut off excess lead length aftersoldering.Figure BNote: O

Figure GDiodes have polarity. Mount themwith the band as shown on the toplegend.-6-INSTALL COMPONENTS TO PC BOARDC11 - 100µF 25V(see Figure E)R1 - 120

INSTALL COMPONENTS TO PC BOARDVR1 - 2kΩ PotVR2 - 2kΩ Pot(see Figure C)B1 - 4-Pin BredbloxB2 - 4-Pin BredbloxB3 - 4-Pin BredbloxB4 - 4-Pin Bredblox(see

Figure IDiodes have polarity. Mount them withthe band as shown on the top legend.Figure JThese lytics must be mountedhorizontal to the PC board. Bendt