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Akai MPD18 Service Manual page 9

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6
D2
BAV70
PAD15
1
3
PAD14
2
D
J3
D1
BAV70
20FMZ-ST(LF)(SN)
PAD13
1
1
PADSCAN00
3
2
PAD00
PAD12
2
3
PAD04
4
PAD08
D4
5
PAD12
BAV70
6
PADSCAN01
7
PAD01
PAD11
1
8
PAD05
3
9
PAD09
PAD10
2
10
PAD13
D3
11
PADSCAN02
BAV70
12
PAD02
13
PAD06
PAD09
1
14
PAD10
3
15
PAD14
PAD08
2
16
PADSCAN03
17
PAD03
D8
18
PAD07
BAV70
19
PAD11
20
PAD15
PAD07
1
3
PAD06
2
D7
BAV70
PAD05
1
3
PAD04
2
D6
BAV70
PAD03
1
C
3
PAD02
2
D5
BAV70
PAD01
1
3
PAD00
2
PAD[00:15]
+VDDA
FADER
NC
C26
C20
NC
0.1uF
0.1uF
AGND
B
USB
FULL-SPEED
VBUS
J1
5
+VBUS
1
R2
D-
2
0 ohm
3
D+
GND
4
C1
6
0.1uF
+3.3V
J2
1
2
3
STM_TRST
4
5
STM_TDI
6
7
STM_TMS
8
9
STM_TCK
10
11
R19
10k
A
12
13
STM_TDO
14
15
STM_RST
16
17
R16
10k
18
19
R15
10k
20
5
4
3
+
1
R26
470 ohm
U3-A
2
-
C22
R32
LMV324M
4.7k
560pF
R28
10k
R29
27k
AGND
5
+
7
R40
470 ohm
U3-B
6
-
+VDDA
C24
R34
LMV324M
4.7k
560pF
R36
10k
R37
27k
+v
-v
AGND
10
+
8
R41
470 ohm
U3-C
9
-
C25
R35
LMV324M
4.7k
560pF
AGND
R39
10k
R38
27k
AGND
12
+
14
R27
470 ohm
U3-D
13
-
C23
R33
LMV324M
4.7k
560pF
R31
10k
R30
27k
AGND
AGND
+3.3V
+3.3V
R1
10k
R4
47k
Q1
MBT4401
R3
36k
Q2
MBT4401
1.50k 1%
R7
R5
22 ohm
R6
22 ohm
3.3V
+3.3V
U2
TP1
NJU7223DL1-33
2 IN
1
OUT
R18
0 ohm
C11
GND
3
C12
C13
0.1uF
0.1uF
4.7uF,6.3V
TP2
3
PADSCAN[00:03]
+VDDA
R17
1 ohm
C9
C8
4.7uF,6.3V
0.01uF
4
U3-E
C21
LMV324M
11
0.1uF
AGND
18pF
C2
9
1
VDDA
VBAT
R13
220 ohm
5
PD0-OSC_IN
C6
18pF
6
PD1-OSC_OUT
10
PA0-WKUP
NC
11
PA1
PADRETURN3
12
PA2
PADRETURN2
13
PA3
PADRETURN1
14
PA4
PADRETURN0
15
PA5
FADER
16
PA6
17
PA7
NC
PADSCAN02
29
PA8
PADSCAN03
30
PA9
USB_DISCONNECT
31
PA10
USB_DM
32
PA11
USB_DP
33
PA12
34
PA13
STM_TMS
37
PA14
STM_TCK
38
PA15
STM_TDI
7
NRST
STM_RST
44
BOOT0
VSSA
C7
R11
8
23
10k
0.1uF
R14
TP3
Copyright Akai Pro 2009
2
+3.3V
+3.3V
SWITCHES
C14
4.7uF,6.3V
C5
0.1uF
C10
0.1uF
C4
0.1uF
C3
0.1uF
FULL LEVEL
SW1
24
36
48
U1
16 LEVELS
SW2
VDD
MAP PRESETS
SW3
PB0
18
SW_FULL_LVL
PB1
19
SW_16_LVL
MIDI CHANNEL
SW4
PB2/BOOT1
20
SW_MAP
PB3
39
STM_TDO
PB4
40
PAD BANK
SW5
STM_TRST
PB5
41
SW_MIDI_CH
PB6
42
SW_PAD_BANK
PB7
43
SW_S1
S1
SW6
PB8
45
LED_FULL_LVL
PB9
46
LED_16_LVL
PB10
21
LED_A
PB11
22
LED_B
PB12
25
LED_C
PB13
26
LED_S1
PB14
27
PADSCAN00
PB15
28
PADSCAN01
All LEDs set for 6mA
Only 3 will be lit at any time
PC13-TAMPER-RTC
2
NC
PC14-OSC32_IN
3
NC
PC15-OSC32_OUT
4
NC
VSS
STM32F102C8T6
35
47
0 ohm
AGND
COMPANY:
AKAI PROFESSIONAL
TITLE:
AD17 MAIN PCB
PART NUMBER:
9-40-0527-4
9-79-0527-4-0
ASSY NUMBER:
DRAWN:
DATED:
CAN
4/2/2009
FILENAME:
AD17MNA00A.sch
RELEASED:
DATED:
SCALE:
1
D
LEDS
+3.3V
C
B
A
SIZE:
C
SHEET:
1
OF
1

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