
- 8 -
Construction
Ceramic Capacitors
C17 ... C32 : 820pF (821)
C33, C34 : 22pF (22)
C35 : 470nF (474)
Vertical diodes
7
6
SK6
D...
CATHODE
D1, D2 : 1N4007
Watch the polarity!
Trimmer
5
RV1 : 10K
RV2 : 10K
RV3 : 10K
RV4 : 10K
USB connector
8
Adjust trimmer for apropriate output current.
Board to wire
9
SK1 : 4p (MOTOR 1)
SK2 : 4p (MOTOR 2)
SK3 : 4p (MOTOR 3)
SK4 : 4p (MOTOR 4)
SK7 : 2p (SW1)
SK8 : 2p (SW2)
SK9 : 2p (SW3)
SK10 : 2p (SW4)
SK11 : 2p (SW5)
SK12 : 2p (SW6)
SK13 : 3p (OUT)
L1, L2 : 330μH
Inductor
10
C...
Watch the
polarity!
C1 : 4,7μF (50V)
C6 : 100μF (35V)
C9 : 100μF (35V)
C12 : 100μF (35V)
C15 : 100μF (35V)
C39 : 100μF (35V)
C40 : 330μF (16V)
C41 : 100μF ( 16V)!!!
Electrolytic capacitors
11
X1 : 12MHz
.
Terminal Block
Quartz crystal
12
13
SK14 : 2p (AC power 10 -30V)
VR1: LM2575TADJ
Switch regulator
14
R1: LM2
Bridge
15
23
!#
BR1 : RS603 (6A-200V)
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