1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D
D
C
C
B
B
A
A
DESIGNED BY
DRAWN BY
CHECKED BY CHECKED BY MODEL
DRAWING No.
DATE
TITLE
KOD-B40475
A
REVISED BY
DATE
REMARK
REVISAL REASON
HP
Output L
(Mono)
Output R
MIDI IN
USB
STM32F446
STM32F030
VR x18
MIDI OUT
Panel Right PCB (KLM-3756)
Main PCB (KLM-3723)
RESET
SIN, SOT, SCK
GPIO
MISO, MOSI, SCK
serial
GPIO
MD0
boot
command UART
SOT
boot
GPIO
GPIO
command& Firmware write UART
SIN
reset
reset
TactSW x12
LED x12
OLED
Voice
SIN
RESET
MD0
SOT
STM32F401
PWM
AD
GPIO
3
2
8
8
GPIO
5
GPIO
5
GPIO
8
3wire-SPI
3
2
SOT, SCK
SIN, SCK
RESET
RESET
GPIO
GPIO
GPIO
BU4227G-TR
RESET
X0/X1
4MHz Crystal
SIN
SOT
UART
INT
2
GPIO
11
analogue synthesizer
SOT
SIN
+5V
GPIO
12V
selector
Power
+15V
+3.3V/5V/-5V
3.3VD
3.3ADV
3.3ADV
3.3VD
3.3VLED
3.3VD
3.3VD
NJM4556
USB
SYNC OUT
SYNC IN
MUX
2pole LPF
11 CV
DA
2
5
6
7
A/D
tuning pulse
wave for check
control
GPIO
GPIO
128x64 dot
selector
AD
- Internal Clock 48MHz
- Flash 64KB
- SRAM 8KB
- 64pin
- 180MHz (External Crystal)
- Flash 256KB
- SRAM 128KB
- 144pin
Encoder x1
2
GPIO
read
read
- Flash 256KB
- SRAM 64KB
- 64pin
- 72MHz (External)
D+, D-
VCO1
VCF
VCA
+
VCO2
Noise
PJT-15V65WBA
TX, RX
command
Firmware update
12.288MHz Crystal
X0/X1
DSP Effects
12dB
sync/ring
LPF
GPIO
Power Control
3.3VD
3.3VD
+5V
TPS54232
Power
3.3VD
TLV70033DCKR
ToggleSW x9
OLED BOARD(KLM-3757)
Sync Interface
MIDI Interface
VCA R
TLV70033DCKR
2
2
GPIO
INT
Oscillo Trigger
PWM
3
3.3AVD
TLV70033DCKR
12V
G5121TP1U
2
VU METER
SD-103R
VU-
VU+
STM32F030
VR x14
Panel Left PCB (KLM-3755)
RESET
MISO, MOSI, SCK
MD0
TactSW x6
LED x12
7SEG LED x2
AD
GPIO
3
2
8
6
GPIO
2
GPIO
8
GPIO
2
7
GPIO
GPIO
3.3VLED
selector
3.3VD
3.3ADV
3.3ADV
3.3VD
3.3VLED
MUX
selector
AD
- Internal Clock 48MHz
- Flash 64KB
- SRAM 8KB
- 64pin
Encoder x1
2
GPIO
read
read
TX, RX
3.3VD
ToggleSW x10
7Seg BOARD(KLM-3758)
PWM
4
1
WHEEL
VR x2
3.3ADV
2
PWM
LED x2
3.3VD
Oct SW BOARD(KLM-3759)
3.3ADV
SW x2
GPIO
PWM
3.3VD
3.3AVD
VU-
VU+
GPIO
reset
boot
GPIO
Panel Sel
GPIO
Panel R ACK
Panel L ACK
GPIO
GPIO
Voice PCB(KLM-3725) x4
AD/DA
TPS54232
12V
Expression
Sustain
Panel Sel
+3.3V/5V
AD/DA
+3.3V/5V
2
Send L/R x2
L.F.Comp
2pole LPF
2
Comp CV
VCA CV
GPIO
Sel Comp
Return L/R
2
2
2
Send L/R x2
MIX
GPIO
Mute DRY
+
+
VCA L
SK-61-S