Velleman K8042 Illustrated Assembly Manual Download Page 5

 
 
 

 

 



R1  :  120   (1 - 2 - 1 - B) 



R2  :  120   (1 - 2 - 1 - B) 



R3  :  2K2   (2 - 2 - 2 - B) 



R4  :  2K2   (2 - 2 - 2 - B) 

3. Resistors

 

R...

Construction 

 

 



D1   :  1N4007 



D2   :  1N4007 



D3   :  1N4007 



D4   :  1N4007 



D5 : 

 

1N4007 



D6   :  1N4007 



D7   :  1N4007 



D8   :  1N4007 



D9   :  1N4007 



D10  :  1N4007 

2. Diodes. Watch the polarity !

 

D...

CATHODE

 



 

1. Jump wire

 

 
 
 

 



C3 : 100nF  (104) 

 



C4 : 100nF  (104)  

 

4. Capacitors.

 

C...

 
 
 

 

 
 
 

 



RV1 :  2K2 

(2K5)

 



RV2 :  2K2 

(2K5)

 

5. Trim potentiometers

 

 
 

 



SK1 :  2p

 



SK2 :  2p 
 

 

 SK3 : 3p

 

6. Terminal blocks

 

 

 

 
 
 
 
 
 
 
 
 



LD1 :  3mm Red 



LD2 :  3mm Red 

LD...

CATHODE

23mm

0.9"

7. LEDs.  Watch the polarity!

 

10mm 

 
 
 



C5 : 10µF

 



C6 : 10µF

 



C7 : 10µF

 



C8 : 10µF

 

 



C1 : 1000µF

 



C2 : 1000µF

 

 

8. Electrolytic Capacitors

Watch the polarity !

 

C...

Summary of Contents for K8042

Page 1: ...SYMMETRIC 1A POWER SUPPLY K8042 ILLUSTRATED ASSEMBLY MANUAL H8042IP 1 Low cost universal symmetric power supply...

Page 2: ...ut voltage LED output indicators compact size Specifications positive and negative output adjustable between 1 2 and 24VDC output current up to 2 x 1A continuous with suitable heatsink max input volta...

Page 3: ...he 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 ha...

Page 4: ...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 SEQ...

Page 5: ...1N4007 D10 1N4007 2 Diodes Watch the polarity D CATHODE J 1 Jump wire C3 100nF 104 C4 100nF 104 4 Capacitors C RV1 2K2 2K5 RV2 2K2 2K5 5 Trim potentiometers SK1 2p SK2 2p SK3 3p 6 Terminal blocks LD1...

Page 6: ...specialized dealer to one side of an insulation plate and press it with this side against the heatsink there were the component has to be fitted Then apply a little heat conducting paste to the compo...

Page 7: ...7 Fit the components and heatsink onto the PCB and fix it by means of two 5mm spacers and two screws Solder now the connections of the voltage regulators 2 Heatsink construction 3 Screw Spacer...

Page 8: ...Kit into a enclosure you have to drill two holes in the backside of the housing to pass the 15mm M3 bolts trough 11 Using a metal enclosure as a heatsink Heat conducting paste 15mm M3 bolt Insulation...

Page 9: ...12 Connection enclosure VA 0 Req output voltage Req AC input voltage transformer 1 2 5V 2 x 9VAC 5 9V 2 x 12 15VAC 9 12V 2 x 15VAC 12 15V 2 x 18VAC 15 18V 2 x 22VAC Absolute max AC input 2 x 24VAC 0 V...

Page 10: ...10 PCB 13 PCB layout...

Page 11: ...11 diagram 14 Diagram...

Page 12: ...5 4 1 0 3 2 9 3 2 7 1 3 2 Modifications and typographical errors reserved Velleman nv H8042IP 1 2014 rev 2 VELLEMAN NV Legen Heirweg 33 B 9890 GAVERE Belgium Europe...

Reviews: