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CATHODE

 

 

 

LD1 : Red 

 

LD2 : Green 

 
 
 
 

Mounting into a housing : 

 

Mount these LEDs through the 
housing using the supplied hold-
ers and by extending the leads. 

 

20. LEDs Watch the polarity!

 

 

 

Accu (2p) 

 

17. Terminal block

 

Construction 

LD...

 
 
 

 

C3 : 

1µF

 

 

C4 : 

10µF

 

 

15. Electrolytic Capacitors. 
Watch the polarity !

 

 
 
 

 

C5 : 

1000µF

 

19. Electrolytic Capacitor. 
Watch the polarity !

 

 

 

 

 

T2 : BD237 

 
 

 

16. Power transistor

 

C...

 

 

 

SW1 : start 

18. Push button

 

C...

Summary of Contents for K7300

Page 1: ...NIVERSAL BATTERY CHARGER DISCHARGER K7300 ILLUSTRATED ASSEMBLY MANUAL H7300IP 1 Total solder points 205 Difficulty level beginner 1 2 3 4 5 advanced Automatic dis charging of both NiCd and NiMH batter...

Page 2: ...nsure that the battery is fully discharged prior to charging an automatic discharger is also fitted Features Charge current from 15mA to 750mA selectable Charges both of Ni Cd and Ni MH batteries Usab...

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 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...

Page 5: ...R10 3 3 3 3 B B R11 2 2 2 2 B B R12 3 3 3 3 B B R13 3 3 3 3 B B R14 100K 1 0 4 B R15 470 4 7 1 B R16 2K2 2 2 2 B R17 120K 1 2 4 B R18 15K 1 5 3 B J 2x 1 Jumper wires 4 1 4W Resistors R R19 22K 2 2 3...

Page 6: ...entiometer RV1 8 1W Resistor R 2mm R37 270 2 7 1 B IC1 14p IC2 16p 7 IC sockets Watch the position of the notch J1 2p J2 3p J3 8p J4 8p J5 12p J6 12p 12 Pin headers R38 10 13 10W resistors R 2mm DJ 00...

Page 7: ...g the supplied hold ers and by extending the leads 20 LEDs Watch the polarity Accu 2p 17 Terminal block Construction LD C3 1 F C4 10 F 15 Electrolytic Capacitors Watch the polarity C5 1000 F 19 Electr...

Page 8: ...he 1 2V selection charge a 1 2V battery Connect a DC mains adapter of 15V 800mA ex PS1508 Check that the is on the outside edge of the connector Turn the trimmer RV1 to its mid position Push the push...

Page 9: ...ion One of the battery holders from our range can be used such as Type BH9V for 1 9V cell Type BH322B for 2 AA cells penlight Type BH341B for 4 AA cells Type BH363B for 6 AA cells Type BH383B for 8 AA...

Page 10: ...ing the battery capacity by 10 then select the closest to the charge current ex A battery with a capacity of 500mA h should be charged with a current of 50mA thus choose 55mA Push on the push button i...

Page 11: ...ividing the battery capacity by 10 then select the closest to the charge current ex A battery with a capacity of 500mA h should be charged with a current of 50mA thus choose 55mA Push on the push butt...

Page 12: ...charge facility in the event of an emergency as this type of charging can reduce the battery lifetime Never mix batteries of different capacities Never select two voltages or current settings simultan...

Page 13: ...13 27 PCB layout PCB...

Page 14: ...14 28 Diagram Diagram...

Page 15: ...15...

Page 16: ...ations and typographical errors reserved Velleman Components nv H7300IP 2005 ED1 VELLEMAN Components NV Legen Heirweg 33 9890 Gavere Belgium Europe www velleman be www velleman kit com 5 4 1 0 3 2 9 2...

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