Akai MPK225

1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
Title
Number RevisionSize
A3
Date: 2014/4/25 Sheet of
File: D:\RD22\..\SWITCHES-20130911.SchDocDrawn By:
PART_NUMBER
ASSEMBLY_NUMBER
DRAWN_BY_1
NC
NC
NC
board
RIGHT PCB - SWITCHES
SOFTKEY 1
SOFTKEY 2
SOFTKEY 3
SOFTKEY 4
PAD BANK A
PAD BANK B
PAD BANK C
PAD BANK D
TAP TEMPO
LATCH
ARP
NOTE REPEAT
FULL LEVEL
TIME DIVISION
CONTROL BANK A
PROGRAM CHANGE
GLOBAL
EDIT
PRESET
CURSOR LEFT
CURSOR RIGHT
CURSOR UP
CURSOR DOWN
REWIND
FFWD
STOP
PLAY
RECORD
LOOP
NC
Identifier EXT3 EXT4
AD2A Low Low
COMPONENTS ON THIS SHEET SHOULD BE ON RIGHT PCB
Do Not Stuff
OCTAVE UP
OCTAVE DOWN
PREVIEW
Copyright (c) 2013 Aka i Professional
#NAME?
#NAME?
AKAI
#NAME?
* *
OFSHEET:
SIZE:
DATED:
DATED:DRAWN:
RELEASED:
SCALE:
FILENAME:
PART NUMBER:
TITLE:
COMPANY:
A
B
D
C
A
B
C
D
6 5 4 3 2 1
ASSY NUMBER:
0.1uFC15
0.1uF C16
47 ohm
R76
47 ohm
R77
TP10
0.1uF C17
47 ohm
R7
SW3
SW4
SW5
SW6
SW7
SW13
SW14
SW15
SW16
SW17
SW18
SW19
SW20
SW21
SW22
SW23
10K
R10
0 ohm
R11
SW24
SW25
SW26
SW27
SW28
SW29
SW30
0.1uF
C18
47 ohm
R5
SW31
0 ohm
R13
10K R244
10K R246
C1001
0 ohm R247
0 ohm R248
C1000
SW0
SW1
SW2
BTNS_0
BTNS_0
BTNS_1
BTNS_1
BTNS_20
BTNS_20
BTNS_21
BTNS_21
BTNS_22
BTNS_22
BTNS_2
BTNS_2
BTNS_3
BTNS_3
BTNS_4
BTNS_4
BTNS_24
BTNS_24
BTNS_25
BTNS_25
BTNS_26
BTNS_26
BTNS_27
BTNS_27
BTNS_19
BTNS_19
BTNS_23
BTNS_23
BTNS_28
BTNS_28
BTNS_29
BTNS_29
BTNS_30
BTNS_30
BTNS_31
BTNS_31
BTNS_5
BTNS_5
BTNS_6
BTNS_6
BTNS_7
BTNS_7
BTNS_13
BTNS_13
BTNS_14
BTNS_14
BTNS_15
BTNS_15
BTNS_16
BTNS_16
BTNS_17
BTNS_17
BTNS_18
BTNS_18
BTNS_[0..31]
+3V3
GND
GND
+3V3
GND
GND
BUTT ONS_IN
+3V3
GND
GND
SHIFT _BUTTONS1
LOAD_BUTTONS
SHIFT _BUTTONS1
LOAD_BUTTONS
SHIFT _BUTTONS1
LOAD_BUTTONS
+3V3
EXT 0
EXT 1
EXT 2
EXT 3
EXT 4
GND
SHIFT _BUTTONS1
GND
GND
LOAD_BUTTONS
GND
GND
GNDGND
+3V3
SHIFT /LO AD
1
CLOCK
2
D4
3
D5
4
D6
5
D7
6
SER_OUT
7
8
SER_OUT
9
SER_IN
10
D0
11
D1
12
D2
13
D3
14
INHIBIT
15
16
VCC
GND
U1
74HC165
SHIFT /LO AD
1
CLOCK
2
D4
3
D5
4
D6
5
D7
6
SER_OUT
7
8
SER_OUT
9
SER_IN
10
D0
11
D1
12
D2
13
D3
14
INHIBIT
15
16
VCC
GND
U2
74HC165
SHIFT /LO AD
1
CLOCK
2
D4
3
D5
4
D6
5
D7
6
SER_OUT
7
8
SER_OUT
9
SER_IN
10
D0
11
D1
12
D2
13
D3
14
INHIBIT
15
16
VCC
GND
U3
74HC165
SHIFT /LO AD
1
CLOCK
2
D4
3
D5
4
D6
5
D7
6
SER_OUT
7
8
SER_OUT
9
SER_IN
10
D0
11
D1
12
D2
13
D3
14
INHIBIT
15
16
VCC
GND
U4
74HC165
1 2 3 4
5
6 7 8 9
10
R35
10K
1 2 3 4
5
6 7 8 9
10
R64
10K
1 2 3 4
5
6 7 8 9
10
R3
10K
1 2 3 4
5
6 7 8 9
10
R4
10K
BTNS_[0..31]
A
1
B
2
C
3
4 5
E1
+3V3
BTNS_08.
BTNS_09.
BTNS_10.
BTNS_11.
BTNS_12.