[
Gnd
Pin
Gnd



]
[
Busy
Pin
Busy



]
[
IC4
DIP20
IC4



]
[
D6
Pin
D6



]
[
D4
Pin
D4



]
[
D5
Pin
D5



]
[
IC3
DIP20
IC3



]
[
LED2
LED
LED2



]
[
LED1
LED
LED1



]
[
TR1
TO-92B
2N3906



]
[
TR2
TO-92B
2N3904



]
[
D0
Pin
D0



]
[
D2
Pin
D2



]
[
D3
Pin
D3



]
[
IC5
DIP18
IC5



]
[
TR3
TO-92B
2N3906



]
[
TR4
TO-92B
2N3904



]
[
D1
Pin
D1



]
[
C1
RB.2/.4
220uF



]
[
C3
RAD0.1
100nF



]
[
C2
RAD0.1
100nF



]
[
IC2
TO-92A
78L08



]
[
IC1
TO-92A
78L05



]
[
Pwr
SIP2
15-25V DC



]
[
R2
AXIAL0.4
10k



]
[
R1
AXIAL0.4
1.2k



]
[
R5
AXIAL0.4
4.7k



]
[
R4
AXIAL0.4
4.7k



]
[
R3
AXIAL0.4
4.7k



]
[
R8
AXIAL0.4
4.7k



]
[
R7
AXIAL0.4
4.7k



]
[
R6
AXIAL0.4
4.7k



]
(
NET2
Gnd-1
IC4-3
IC4-2
IC4-18
IC4-10
IC3-3
IC3-2
IC3-18
IC3-10
R2-2
R1-1
R5-1
IC5-5
R8-1
Pwr-1
IC1-2
C1-2
C2-1
)
(
NET3
IC4-17
Busy-1
)
(
NET4
IC4-12
IC3-12
D6-1
)
(
NET5
IC4-13
IC5-1
)
(
NET6
IC4-14
IC5-17
)
(
NET7
IC4-6
IC5-18
)
(
NET8
IC4-7
IC5-2
)
(
NET9
IC4-9
IC4-1
IC4-20
IC3-9
IC3-1
IC3-20
TR3-3
R6-2
C3-1
IC2-2
IC1-3
C2-2
)
(
NET10
IC4-19
D4-1
IC3-19
)
(
NET11
IC3-13
IC5-12
)
(
NET12
IC3-14
IC5-10
)
(
NET13
IC3-15
IC5-8
)
(
NET14
IC3-16
IC5-6
)
(
NET15
IC3-4
IC5-7
)
(
NET16
IC3-5
IC5-9
)
(
NET17
IC3-6
IC5-11
)
(
NET18
IC3-7
IC5-13
)
(
NET19
IC3-11
D5-1
)
(
NET20
R2-1
TR1-1
LED2-1
IC5-4
)
(
NET21
LED1-1
TR1-3
R3-2
C3-2
IC2-3
)
(
NET22
R4-1
D0-1
)
(
NET23
D2-1
IC5-16
)
(
NET24
IC5-3
D3-1
)
(
NET25
IC5-14
TR3-1
)
(
NET26
R7-1
D1-1
)
(
NET27
IC3-17
IC4-11
)
(
NET28
LED2-2
R1-2
LED1-2
)
(
NET29
TR2-3
R5-2
)
(
NET30
R4-2
TR2-2
)
(
NET31
R3-1
TR1-2
TR2-1
)
(
NET32
TR4-3
R8-2
)
(
NET33
R7-2
TR4-2
)
(
NET34
R6-1
TR3-2
TR4-1
)
(
NET35
Pwr-2
IC2-1
IC1-1
C1-1
)