8
Construction
21. Power transistor
T3 :
BD676
10mm
M3 BOLT
M3
NUT
LOCK
WASHER
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.
14
h
52
'
14
h
52
'