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Even the most sceptical one has tot admit that the electronic ignition system has a great advantage over the conventional 
ignition system. Car constructors now mount such a new system on their most expensive models. 
 

THE ADVANTAGES ARE : 

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Better ignition 

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Less air pollution 

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Gasoline economy 

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Better running engine, especially at very high and very low speed 

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Visible less wear of the breaking points, which means a constant calibrated state. 

 
Specifications :  

 

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Completely shockproof 

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Practically test on 2-4-6-8 cylinder engines during a total amount of 2.500.000 km. 

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Principle: transistorized ignition 

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Connection element: Darlington transistor, triple diffused 

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Connection current: 4 A 

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Connection speed : Up to 500 KHz 

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Typical firing period : 2.000 µ second 

Features & Specifications 

Summary of Contents for High-Q Velleman-kit K2543

Page 1: ...K2543 H2543IP 1 Gives your car a better starting and smoother running Suitbale for 12V and 6V systems ELECTRONIC TRANSISTOR IGNITION FOR CARS ...

Page 2: ... economy Better running engine especially at very high and very low speed Visible less wear of the breaking points which means a constant calibrated state Specifications Completely shockproof Practically test on 2 4 6 8 cylinder engines during a total amount of 2 500 000 km Principle transistorized ignition Connection element Darlington transistor triple diffused Connection current 4 A Connection ...

Page 3: ...the eyes Needle nose pliers for bending leads or to hold components in place Small blade and Phillips screwdrivers A basic range is fine For some projects a basic multi meter is required or might be handy 1 2 Assembly Hints Make sure the skill level matches your experience to avoid disappointments Follow the instructions carefully Read and understand the entire step before you perform each operati...

Page 4: ...st the PCB surface and carefully solder the leads 2 Make sure the solder joints are cone shaped and shiny 3 Trim excess leads as close as possible to the solder joint REMOVE THEM FROM THE TAPE ONE AT A TIME AXIAL COMPONENTS ARE TAPED IN THE CORRECT MOUNTING SEQUENCE ...

Page 5: ...Mica insulation Transistor metallic side 20mm M3 bolt Plastic spacer M3 nut M3 serrated lock washer 4 Electrolytic Capacitor 2 Diodes Watch the polarity T2 TIP162 or BU931P 12V battery R1 330 3 3 1 B 1W R2 330 3 3 1 B 1W R3 150 1 5 1 B R4 100 1 0 1 B R5 150 1 5 1 B 1W R6 150 1 5 1 B 1W R7 150 1 5 1 B 1W 6V battery R1 150 1 5 0 B 1W R2 150 1 5 0 B 1W R3 68 6 8 0 B R4 100 1 0 1 B R5 68 6 8 0 B 1W R6...

Page 6: ... increase the func tion security All connections and contacts are to be checked and must be good A bad soldering or a bad contact may conduct to some headaches These four leads connections 1 2 3 and 4 may already be soldered to the PCB of the ignition system make them long enough so they could be cut later at the desired length Seek for an adequate to mount the ignition system Do not place the sys...

Page 7: ...The heatsink must be contact free from the frame earth of your car The two holes of the heatsink are used as fixing holes Utilize small screws or Parker screws Ensure that the PCB has no contact with the metal part of your vehicle Disconnect the lead going from the coil to the breakers points and disconnect also the condenser Follow the instructions on the figure for all connections Connection 1 o...

Page 8: ... for the contact angle and ignition time Just clean the points sometimes with a cloth dipped in acetone to remove the oil By buying a pair of new points you will see they are covered with a protective resin acting as an insulator Remove this resin with sandpaper or with a degreasing solvent After 50 000 km it will wise to change your breaker points because wear of the notch and also for mechanical...

Page 9: ...9 PCB PCB VELLEMAN 4 3 2 1 R7 R6 R5 R2 R1 C1 ZD1 ZD2 D3 D4 R4 D2 D1 R3 T2 T1 ...

Page 10: ...10 Diagram DIAGRAM R1 330 1W R2 330 1W R5 150 1W R6 150 1W R7 150 1W R3 150 D1 1N4007 D2 1N4007 T1 2N2219A R4 100 1 2 D4 1N4007 D3 1N4007 T2 TIP162 ZD2 150V ZD1 150V 3 4 C1 22µF ...

Page 11: ......

Page 12: ...5 4 1 0 3 2 9 4 0 9 2 7 2 Modifications and typographical errors reserved Velleman nv H2543IP 2014 ED1 rev 2 VELLEMAN NV Legen Heirweg 33 B 9890 GAVERE Belgium Europe ...

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