Akai MPK61

SHEET: OF 5
AD49TRF00J.sch
R.E./I.F/J.B/M.S. 7/14/2009
2
AD49 TOP RIGHT PCB
COMPANY:
SCALE:
REVISION RECORD
APPROVED:ECO NO:
DATED:
DATED:RELEASED:
A B D
DATE:
123456
D C A B
C
LTR
DRAWN:
TITLE:
PART NUMBER:
ASSY NUMBER:
FILENAME:
B
SIZE:
REV:
5
AKAI
9-40-0452-F
9-79-0452-F-0
Encoder
PROGRAM CHANGE
TIME DIVISION
PIN 2 OF ALL DUAL-DIODE PACKAGES IN SWITCH MATRIX ARE NOT CONNECTED
TAP TEMPO
BACK
STOP
RECORD
SWITCHES
GLOBAL
FORWARD
PREVIEW
CONTROL BANK
CK6
EDIT
OCTAVE -
PLAY
OCTAVE +
CK1
PRESET
CK5
VALUE DN
VALUE UP
CK2
CK3
CK4
CK8
CK7
(to 3x3 switch matrix on top left PCB)
N/C
N/C
N/C
N/C
N/C
FOOTSWITCH
FOOTSWITCH 2 (AD88)
SPLIT (AD88)
DNS DNS
DNS
DNS
R29
10k
R31
10k
R30
10k
R32
10k
R1310k
R1410k
S7
S17
1 2
3
D9
1 2
3
D20
1 2
3
D1
1
Y0
2
Y1
3
Y2
4
Y3
5
Y4
6
Y5
7
Y6
8
Y7
9
Y8
10
Y9
11
Y10
12
GND
13
Y11
14
Y12
15
Y13
16
Y14
17
Y15
18
E1
19
E2
20
A3
21
A2
22
A1
23
A0
24
VCC
U3
CD74HC154M
S13S11
1 2
3
D10
1 2
3
D13
S14
1 2
3
D15
S9
1 2
3
D11
1
A
2
B
3
C
4 5
E1
DC11B2421403-(YN)
S5
1 2
3
D7
S10
1 2
3
D12
S6
1 2
3
D8
S8
1 2
3
D4
S4
1 2
3
D6
S15
1 2
3
D16
S12
1 2
3
D14
S16
1 2
3
D17
S18
1 2
3
D21
S3
1 2
3
D5
S22
1 2
3
D23
S1
1 2
3
D2
S2
1 2
3
D3
S19
1 2
3
D18
S23
1 2
3
D24
S20
1 2
3
D19
S21
1 2
3
D22
S25
1 2
3
D26
S24
1 2
3
D25
C63 0.1uF
C80
0.01uF
C81
0.01uF
R37 10K R38 10K
+3V3 +3V3 +3V3 +3V3
+3V3
ENC_B
ENC_A
BUTTON_COLUMN[0:3]
BUTTON_COLUMN3
BUTTON_COLUMN2
BUTTON_COLUMN1
BUTTON_COLUMN0
BTN_SCAN_SEL[0:3]
BTN_SCAN_SEL0
BTN_SCAN_SEL1
BTN_SCAN_SEL2
BTN_SCAN_SEL3
+3V3
BTN_SCAN8
BTN_SCAN9
LED_LATCH1
LED_LATCH2
BTN_SCAN7