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SCHEMATIC DIAGRAM-20
C
CPL CIRCUIT
CN2
SUMR
1
SUML
2
E
3
ROUT
4
LOUT
5
3
2
1
+5IP
CN3
5IP
1
5IP
2
TO
LCD
E
3
E
4
+5IP
C4
CN1
6.3V330
+5IP
1
DATA
2
SCK
3
E
4
CPRST
5
SW62
QSRGT002AA
B
C
A
VR1
QRVG25N01B53
UNLESS OTHERWISE SPECIFIED:
SWITCHES ARE EVQ21507K,
DIODES ARE MA165TA5VT.
IC1
M37471M2196S
(8BIT MICROCOMPUTER)
+5IP
3
2
22
VDD
C1
1
6.3V220
VR2
QRVG25P01B53
21
VSS
X1
EFOEC4004T3
19
XIN
R38
33K
20
XOUT
R1 0
R2 0
25
RST
C2
2200P
+5IP
VREF
R3
100
18
VREF
+5IP
C3
6.3V100
10
ID
R8
R9
4.7K
4.7K
R4
470
5
SIN
R5
220
4
SOUT
R6
220
3
CLK
R7
470
29
CNTR1
+5IP
R10
R11
4.7K
4.7K
R12
47K
30 ROTA
R13
47K
31 ROTB
C5
C6
0.001
0.001
SEG0
VREF
SEG1
R14
100K
SEG2
11
AD0
SEG3
C8
C7
SEG4
0.1
0.1
12 AD1
SEG5
SEG6
13 AD2
SEG7
SEG8
14 AD3
SEG9
SEG10
+5IP
R16
10K
SW0
23
R17
10K
SW1
24
R18
10K
SW2
42
R19
10K
SW3
1
R20
10K
SW4
26
R21
10K
SW5
27
R22
10K
SW6
28
R23
10K
SW7
2
Q1
2SA830STP
R24
10K
CM0
9
Q2
2SA830STP
R25
10K
CM1
8
Q3
2SA830STP
R26
10K
CM2
7
Q4
2SA830STP
R27
10K
CM3
6
Q5
2SA830STP
R28
10K
CM4
17
CM5
16
R29
+5IP
100
C9
0.1
14
12
10
IC2
VCC
HD74LS07P
(HEX BUFFERS)
GND
7
13
11
34
A
35
B
A
36
C
37
D
38
E
39
F
40
G
41
H
15
I
32
33
SW1
D1
START
/STOP
SW2
D2
SYNCHRO
START
SW3
D3
TAP
TEMPO
D4
SW4
HELP
SW5
D5
OTHER
PARTS/TR
D62
LN282RPXVTX3
INTRO&
ENDING 1
D73
LN282RPXVTX3
MUSIC STYLE
ARRENGER
D80
LN282RPXVTX3
RHYTHM
GROOP 7
D88
LN382GPXVTX3
APC/SEQ
VOLUME
D94
LN282RPXVTX3
RHYTHM
GROOP 1
R30
R31
R32
R33
100
100
100
100
8
6
4
2
9
5
3
1
B
C
D
E
SX-PR1000
CPL SCHEMATIC DIAGRAM
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