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REVI SION RECORD
APPROVED:ECO NO:LTR DATE:
123456
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32
M. Sti t h 1/6/2009
AD25MNC01A.sch
9-79-0504-C-0
9-40-0504-C
AD25 MAIN PCB
Copyright (c) 2009 Akai Professional
POWER & I/O
Power input is 6VDC
N/C
*
* Provide plenty of copper for heat sinking for case of over voltage adapter
NC
FOOTSWITCH
N/CN/C
N/C
MIDI IN
N/C
N/C
MIDI OUT
JTAG EMULATOR
N/C
N/C
N/C
N/C
N/C
TDO
TDI
TMS
TCK
N/C
GND
JTAG EMULATOR
FPGA
MICROCONTROLLER
D O N O T S TUFF FOR MP
LCD CONTRAST
VDD
N/C N/C
USB_DIS_A Low (0V): 1.5k load disconnected from D+ line
USB_DIS_A High-Z: 1.5k load connected to D+ line as long as VBUS is present
R107 allows reverse leakage current
fro m Schottky t o ground
AKAI
N/C
GND
1
+VBUS
2
D-
3
D+
4
5
6
J3
1
OUT
2
IN
3
GND
U1
NJU7223DL1-33
D3
MBRS140LT3
D4
MBRS140LT3
R11
10K
R10
10K
1
2
3
J6
P6
R2 0 ohm
R3
0 ohm
TP5
TP4
TP7
C3
0.1uF
C31
0.1uF
C4
0.1uF
L2
10uH
C14
1uF
C30
1uF
G
DS
U4-A
FDC6306P
R26 1K
1
2
3
4
5
6
7
8
J4
MIDI
C6
1000pF
C10
1000pF
R15
220 ohm
U2
TLP181
Q4
MBT4401
R28
220 ohm
R27
220 ohm
R20 10K
1
2
3
4
5
6
7
8
J5
MIDI
C7
1000pF
C8
1000pF
R7 47 ohm
R12
47 ohm
C19
0.1uF
C9
0.1uF
C20
0.1uF
R35
100k
R41
100k
R42
100k
R36
100k
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J7
R824.7k
C78
0.01uF
C5
0.01uF
Q6
MBT4403
R76
33.2k 1%
R79
100k
C74
0.1uF
C29
100uF,10V
R25 10K
1
2
3
4
5
6
7
8
J10
C80
0.01uF
L3
10uH
1
2
3
Q1
MBT4403
R16
1K
R21
1K
R9 1K
C12
0.1uF
C24 0.1uF
R18
820K
G
DS
U4-B
FDC6306P
C13
1uF
D7
12V
C 21
0 . 1 uF
C 2
0 . 1 uF
1
2
3
Q 2
M BT 4403
R6
1.5K
Q3
MBT4401
R547K
R447K
R14
10K
R810K
R13
47K
D2
1N4148
R370 ohmR300 ohm
C1
4.7uF,25V
R10 ohm
R32 DNS_10M
12
3
D8
BAV99
12
3
D1
BAV99
R94
1K
C81
0.1uF
R9510K
SLEEVE
RING
TIP
1
2
3
4
5
6
7
J2
STEREO CLIFF CL111505W
POWER
+3V3
+3V3
+3V3_FULL
USB-
USB+
+3V3
MIDI_TX
MIDI_RX
+3V3
+3V3
+3V3
RESET
TDI
TMS
TCK
TDO
+3V3
+3V3
TDO_FPGA
TDI_FPGA
TMS_FPGA
FOOTSWITCH
+3V3+3V3
LCD_CONTRAST
LCD_CONTRAST_DC
POWER_EN
TCK_FPGA
+5VUNREG
+3V3
USB_DIS
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