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Assembly hints 

1. Assembly  (Skipping this can lead to troubles ! ) 

Ok, so we have your attention. These hints will help you to make this project successful. Read them carefully. 

 

1.1 Make sure you have the right tools: 

 



A good quality soldering iron (25-40W) with a small tip. 



Wipe it often on a wet sponge or cloth, to keep it clean; then apply solder to the tip, to give it a wet look. This is called ‘thinning’ and will protect the tip, 
and enables you to make good connections.  When solder rolls off  the tip, it needs cleaning. 



Thin raisin-core solder. Do not use any flux or grease. 



A diagonal cutter to trim excess wires. To avoid injury when cutting excess  leads, hold the lead so they cannot fly towards 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 operation.  



Perform the assembly in the correct order as stated in this manual 



Position all parts on the PCB (Printed Circuit Board) as shown on the drawings.  



Values on the circuit diagram are subject to changes, the values in this assembly guide are correct* 



Use the check-boxes to mark your progress. 



Please read the included information on safety and customer service 

 

* Typographical inaccuracies excluded. Always look for possible last minute manual updates, indicated as ‘NOTE’ on a separate leaflet.  

 

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1.3 Soldering Hints : 

 

1-

 Mount the component against 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 

 

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Содержание K8071

Страница 1: ...W 3W POWER LED DRIVER K8071 ILLUSTRATED ASSEMBLY MANUAL H8071IP Total solder points 62 Difficulty level beginner 1 2 3 4 5 advanced Power up to four 1W or two 3W high power LEDs Downloaded from Arrow com ...

Страница 2: ...VELLEMAN NV Legen Heirweg 33 9890 Gavere Belgium Europe www velleman be www velleman kit com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 3: ...tected no heatsink required also suited as fixed current NiCd NiMH battery charge circuit for home disco stage education architectural lighting science projects Specifications 350mA or 700mA constant current source input voltage 6 12VAC 9 18VDC power consumption 650mA max dimensions 45x30x16mm 1 8x1 2x0 64 Features Specifications Downloaded from Arrow com Downloaded from Arrow com Downloaded from ...

Страница 4: ...ic 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 operation Perform the assembly in the correct order as stated in this manual Position all parts on the PCB Printed Circuit Board as shown on the drawings Values on the...

Страница 5: ...E COMPONENTS ONTO THE TAPE ALWAYS CHECK THEIR VALUE ON THE PARTS LIST REMOVE THEM FROM THE TAPE ONE AT A TIME Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 6: ...ckets Watch the position of the notch C1 100nF 104 C2 100nF 104 C3 100nF 104 C4 68pF 68 4 Capacitors C R3 100 1 0 1 B R4 1K 1 0 2 B 6 Vertical resistors R T2 BC547B T3 BC557B Bend transistor T2 away from IC socket IC1 7 Transistors T2 2 Schottky diode Watch the polarity Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Страница 7: ...N4007 D4 1N4007 9 Diodes Watch the polarity D1 CATHODE AC 2x C A 10 PCB tabs C L1 330µH 1A 12 Coil L T1 IRF9520 14 Power Mosfet T1 IC1 LM393 13 IC Watch the position of the notch Bend the power mosfet toward IC1 VR Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 8: ...D 6 14VAC or 9 18VDC Maximum 2 x 3W power LED Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 9: ...6 GND R5 2K2 C4 68p GND R4 1K V R3 100 Vref 5 6 7 IC1B T1 T2 BC547 T3 BC557 V GND D5 1N5822 R7 C2 100n GND 1E0 0 6W 1E0 0 6W 3 2 8 4 1 IC1A LM393 GND V C3 100n GND Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 10: ...1 Velleman A C P8071 2 AC AC 6 14VAC 9 18VDC Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 11: ...tructions Includes programmer and test board TUTOR KIT PICTM The Microchip name and logo PIC and PICmicro are registered trademarks of Microchip Technology Inc in the USA and other countries Learn how to solder build different exciting projects Includes spare components and demo boards STARTER BOX SOLDER EDUCATIVE The EDU01 basic experiment kit is the first step into the world of modern electronic...

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