Function Board Schematic-1Left button Board Schematic
Encoder Interface
Fkey Interface
LED Interface
Voice
Voice Demo
Duo
Function
Dual
Split
Bluetooth
Concert Piano
Met ro
Rec
Left
Right
Song
Start/Stop
USB
1
2
3
SW1
S5
S6
S8
S9
S10
S12
S13
S7
S1
S14
S15
S16
S2
S3
S4
A
K
LED1
D2
D1
D3 D4
D5 D7
D8 D9
D16 D15
D14
D13 D12
D11
D10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN1
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T13
T14
T15
FKEY_DAT0
FKEY_DAT1
FKEY_DAT2
FKEY_DAT3
FKEY_DAT4
KBD_S1
FKEY_DAT[0:11]
FKEY_DAT1
FKEY_DAT2
FKEY_DAT3
FKEY_DAT4
FKEY_DAT5
FKEY_DAT6
FKEY_DAT7
FKEY_DAT0
FKEY_DAT0
FKEY_DAT1
KBD_S0
FKEY_DAT[0:11]
KBD_S0
KBD_S1
LED_DATA0
LED_SCAN0
LED_SCAN0
LED_DATA0
FKEY_DAT2
FKEY_DAT3
FKEY_DAT4
FKEY_DAT5
FKEY_DAT6
DIAL0
DIAL1
+3.3VD
DIAL0
DIAL1
+3.3VD
FKEY_DAT5
FKEY_DAT6
FKEY_DAT7
11
Circuit Boards
From Button Board2 J1
S1
Sus t ai n
S2
RB_mode1
D1
4148
D2
4148
S3
RB_mode2
S4
RB_mode3
D3
4148
D4
4148
LED3
BLUE
RB_MODE1
LED2
BLUE
Sustain1
LED4
BLUE
RB_MODE2
LED5
BLUE
RB_MODE3
1
2
3
4
5
6
7
8
9
J1
Connect to Button Board2 J1
LED1
BLUE
Sustain1
LED_PWR1
LED_PWR0
BUTTON_DATA_E
BUTTON_DATA_F
LED_PWR0
LED_PWR1
LED_PWR2
LED_DATA_G
LED_DATA_H
LED_PWR0
LED_PWR1
LED_PWR2
BUTTON_DATA_E
BUTTON_DATA_F
LED_DATA_G
LED_DATA_H
GND
GND
S1
Octave+
S2
Octave-
D1
4148
D2
4148
S3
Lower
S4
Spl it
D3
4148
D4
4148
S5
Upper
S6
Tilt
D5
4148
D6
4148
VR3
10K
C3
104
OCTAVE-
BLUE
OCTAVE+
BLUE
LOWER
BLUE
UPPER
BLUE
SPLIT
BLUE
TILT
BLUE
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
J2
Co n n e c t t o Ma i n Ba o r d J 8
1
2
3
J3
Connect t o PitchBend
1
2
3
J4
Connect t o Ribbon Slider
1
2
J5
Connect t o Wheel LED Board
1
2
3
4
5
6
7
8
9
J1
Connect t o Butt on Board1 J1
R2 0 ohm
R3
100K ohm
R1 0 ohm
C5
104
C4
47uf/6.3V
LED_PWR1
LED_PWR0
BUTTON_DATA_B
BUTTON_DATA_C
BUTTON_DATA_D
AGND
AVDD_3.3V
VOLUME
LED_PWR0
LED_PWR1
LED_PWR2
LED_DATA_E
LED_DATA_F
VOLUME
RIBBON
PITCHBEND
LED_PWR0
LED_PWR1
LED_PWR2
BUTTON_DATA_B
BUTTON_DATA_C
BUTTON_DATA_D
BUTTON_DATA_E
BUTTON_DATA_F
LED_DATA_E LED_DATA_F
LED_DATA_G
LED_DATA_H
PITCHBEND
AGND
AGND
AVDD_3.3V
AVDD_3.3V
AGND
LED_PWR0
LED_PWR1
LED_PWR2
BUTTON_DATA_E
BUTTON_DATA_F
LED_DATA_G
LED_DATA_H
GND
GND
AGND
AVDD_3.3V
RIBBON
AVDD_3.3V
AGND
Function Board Schematic-1Right button Board Schematic