
7
IC1 : NE555
IC2 : CD4024
IC3 : VK5201
(programmed Eeprom 2764C25)
15. ICs. Watch the position
of the notch!
SW 2 : 1p
14. Switch
Construction
SW3
The 12-position rotary switch SW3 must be configured for 8 positions.
Turn the switch all the way counterclockwise.
Remove the nut and the lock washer
Lift the stop washer and move it to position ‘8’
Put the lock washer and nut back in place
16. Rotary switch.
9
Nut
Internal Tooth
Lock Washer
Stop washer
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