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D
A
T
A
RIBB
5VREF
R7
CN5
5597-08APB
820
8
7
R5
10K
6
R9
R10
5
NIU
TO RIBBON
4
3
2
1K
100K
1
C9
R6
1uF16
10K
2
R8
NIU
D65
AMPC1.2720P
BZW04-5V8B
1
820
SSD0
1
SSD1
2
SSD2
3
SSD3
4
SSD4
5
SSD5
6
SSD6
7
SSD7
8
9
10
To CPU Board Cn4
CA1
8x100pF
1
2
B
R
0
DATA
S
S
S
S
S
S
D
D
D
0
1
2
SSC7
1
D1
SW1
2
M
TRANSPOSE
SSC6
U
1
1
D9
D10
X
SW9
SW10
2
2
KBD_VEL
MODE_ARRANGER
SSC5
1
1
D17
D18
SW17
SW18
2
2
STY_PROG+
STY_PROG-
SSC4
1
1
D25
D26
SW25
SW26
2
2
SYNC_START
BASS_INV
SSC3
1
1
D33
D34
SW33
SW34
2
2
MODULATION
BEND_UP
SSC2
1
1
D41
D42
SW41
SW42
2
2
TONE1
TONE2
SSC1
1
1
D49
D50
SW49
SW50
2
2
DRUM+
DRUM-
SSC0
1
1
D57
D58
SW57
SW58
2
2
DEMO
REVERB
CN1
20
SC0
19
SC1
18
SC2
17
SC3
16
SC4
15
14
13
12
RIBB
11
5VD
5VREF
1
2
3
6
4
5
5VD
A
B
C
G
G
G
A
1
2
2
16
C10
C4
VCC
A
B
10uF16
33uF16
C7
CA2
8
100nF
GND
Y
Y
Y
Y
Y
Y
Y
Y
Y
8x100pF
0
1
2
3
4
5
6
7
0
1
1
1
1
1
1
1
IC8
5
4
3
2
1
0
9
7
74HC238
3
4 5 6 7 8 9
2
3
4 5 6 7 8 9
B
B
B
B
B
B
B
M
M
M
M
M
M
M
M
B
B
B
B
B
B
B
B
R
R
R
R
R
R
R
K
K
K
K
K
K
K
K
R
R
R
R
R
R
R
R
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
CN4
CN3
AMPC1.2716P
AMPC1.2716P
MK0
1
16
SSD0
MK4
1
16
BR0
2
15
SSD1
BR4
2
15
MK1
3
14
SSD2
MK5
3
14
BR1
4
13
SSD3
BR5
4
13
MK2
5
12
SSD4
MK6
5
12
BR2
6
11
SSD5
BR6
6
11
MK3
7
10
SSD6
MK7
7
10
BR3
8
9
SSD7
BR7
8
9
to Left Keyb Pcb
to Right Keyb Pcb
ALL DIODES D1..D64 IN THIS SHEET ARE 1N4148
S
S
S
S
S
S
D
D
D
3
4
5
1
1
D4
D5
SW4
SW5
SW6
2
2
GROUP_A/B
STYLE_SONG
1
1
1
D11
D12
D13
SW11
SW12
SW13
SW14
2
2
2
MODE_ORGAN
MODE_MDRUM
INTEL/LAYER
UPPER 1/2
1
D27
SW27
SW30
2
USER_WRITE
START/STOP
1
1
1
D35
D36
D37
SW35
SW36
SW37
SW38
2
2
2
BEND_DWN
ASSIGN
VOLUME_UP
VOLUME_DWN
1
1
1
D43
D44
D45
SW43
SW44
SW45
SW46
2
2
2
TONE3
TONE4
TONE5
TONE6
1
1
1
D51
D52
D53
SW51
SW52
SW53
SW54
2
2
2
BASS+
BASS-
ACC_LOW+
ACC_LOW-
1
1
1
D59
D60
D61
SW59
SW60
SW61
SW62
2
2
2
CHORUS
INTRO
ORIGINAL
FILL
MUX
IC6
74HC238
SC0
1
15
A
Y0
SC1
2
14
B
Y1
SC2
3
13
C
Y2
12
Y3
11
Y4
SC4
6
10
G1
Y5
4
9
G2A
Y6
5
7
G2B
Y7
5VD
V
G
C
N
C
D
1
5VD
6
8
1
2
3
6
4
5
B
C
G
G
G
1
2
2
16
VCC
A
B
C8
C1
100nF
100nF
8
GND
Y
Y
Y
Y
Y
Y
Y
1
2
3
4
5
6
7
1
1
1
1
1
1
IC9
5
4
3
2
1
0
9
7
74HC238
SC4
SC3
0
0
MK0-MK7
M
M
M
M
M
M
M
M
K
K
K
K
K
K
K
K
0
1
BR0-BR7
0
1
2
3
4
5
6
7
1
SWITCHES
X
1
SWITCHES
X
SSD0
SSD1
SSD2
SSD3
SSD4
SSD5
SSD6
SSD7
S
S
S
S
D
D
6
7
1
D6
2
REC
1
1
1
D14
D15
D16
SW15
SW16
2
2
2
TEMPO+
TEMPO-
1
1
D23
D24
SW23
SW24
2
2
STY_MORPH+
STY_MORPH-
1
1
1
D30
D31
D32
SW31
SW32
2
2
2
TONE_VAR
METRONOME
1
1
1
D38
D39
D40
SW39
SW40
2
2
2
STYLE
ONE TOUCH
1
1
1
D46
D47
D48
SW47
SW48
2
2
2
TONE7
TONE8
1
1
1
D54
D55
D56
SW55
SW56
2
2
2
UPPER+
UPPER-
1
1
1
D62
D63
D64
SW63
SW64
2
2
2
VARIATION
ENDING
SSC0
SSC1
SSC2
SSC3
TO LCD
SSC4
Bulb Lamp
SSC5
SSC6
SSC7
CN2
5045-02A
5VD
NIU
1
2
C6
100uF16
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