Velleman-projects K7300 Assembly instructions Bedienungsanleitung PDF herunterladen (Seite 8)

Construction

21. Power transistor

 T3 : BD676

10mm

M3 BOLT

NUT

LOCK

WASHE

METAL SIDE

22. IC. Watch the position of

the notch!

 IC1 : CD4536

 IC2 : LM324

 Mount a shunt over the CAL connection.

 Mount a shunt over the 52 min selection (quick

charge setting).

 Mount a shunt over the 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 button, SW1, the green LED should normally light up.

 After 12 seconds, the LED should go out. If this is not the case, then

adjust the trimmer. To the left reduces the time, to the right

increases the time.

 Remove the CAL shunt.

23. Adjusting the built-in clock.

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Velleman-projects K7300 Assembly instructions Bedienungsanleitung Seite 8