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SCHEMATIC DIAGRAM-22
D
CPR CIRCUIT
+5IP
C4
CN1
6V330
+5IP
1
DATA
2
SCK
3
E
4
CPRST
5
-----
6
UNLESS OTHERWISE SPECIFIED:
SWITCHES ARE EVQ21507K,
DIODES ARE MA165.
IC1
M37471M2196S
(8BIT MICROCOMPUTER)
SW0
SW1
+5IP
22
VDD
SW2
C1
0.1P
21
VSS
SW3
X1
EFOEC4004T3
19
XIN
SW4
R10
33K
20
XOUT
SW5
R1 0
R2 0
25
RST
SW6
C2
0.0022P
+5IP
18
VREF
SW7
10
ID
R8
R9
CM0
10K
10K
R4
470
5
SIN
R5
220
4
SOUT
CM1
R6
220
3
CLK
R7
470
CM2
29
CNTR1
R3
100
11
AD0
C3
CM3
100P
CM4
CM5
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
+5IP
R16
10K
D1
SW1
PLAY
23
R17
10K
D2
SW2
EASY REC
24
R18
10K
42
R19
10K
D3
SW3
DISK
1
R20
10K
D4
SW4
FAVORITES
26
SW5
R21
10K
D5
PROGRAM
27
R22
10K
28
R23
10K
D6
2
Q1
2SA830
D71
LN282RPXVTX3
R24
10K
Q2
9
GROOP 1
2SA830
D83
LN282RPXVTX3
R25
10K
SUSTAIN
Q3
8
PEDAL
2SA830
D95
LN282RPXVTX3
R26
10K
DISPLAY
Q4
7
2SA830
R27
10K
Q5
6
2SA830
D115
LN282RPXVTX3
R28
10K
GRAND
17
16
34
A
35
B
36
C
37
D
38
E
+5IP
39
F
40
G
C9
41
H
0.1P
15
I
14
IC2
VCC
14
J
74LS07
13
K
(HEX BUFFERS)
GND
12
L
7
30
31
32
33
D7
SW7
STPINGS
D8
SW8
BRASS
SW9
D9
SAX&
WOODWIND
SW10
D10
ORGAN&
ACCORDION
D11
SW11
SYNTH
SW12
D12
SOUND
MENUS
EXPLORER
D72
LN282RPXVTX3
SOUND
SOUND
GROOP 2
D84
LN282RPXVTX3
DIGITAL
EFECT
D96
LN282RPXVTX3
PART
HOLD
SELECT 1
D106
LN382GPXVTX3
BANK
VIEW
D116
LN282RPXVTX3
UPLIGHT
R31
R32
R33
R34
R35
R36
100
100
100
100
100
100
12
10
8
6
4
2
13
11
9
5
3
1
C
D
E
F
G
H
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