Akai MPD232 Service Manual

1 1
2 2
3 3
4 4
5 5
6 6
D D
C C B B
A A
9-40-0720-2
9-40-0720-2-0
R.Edmonds
NC NC NC
AD33 Top Panel
SWITCHES
GLOBAL
EDIT
PRESET
Do Not Stuff
COMPONENTS ON THIS SHEET SHOULD BE ON TOP RIGHT PCB
NC NC NC
SOFTKEY1
SEQ1
NC
CONTROL BANK A
CURSOR LEFT
CURSOR RIGHT
CURSOR UP
CURSOR DOWN
SEQ2 SEQ3 SEQ4 SEQ5 SEQ6 SEQ7 SEQ8 SEQ9
SEQ10 SEQ11 SEQ12 SEQ13 SEQ14 SEQ15 SEQ16
SOFTKEY2 SOFTKEY3 SOFTKEY4 SOFTKEY5 SOFTKEY6 SOFTKEY7 SOFTKEY8
CONTROL BANK B CONTROL BANK C
SEQ BANK
ENTER
SEQ ON/OFF
SEQ EDIT
TIME DIVISION
Copyright (c) 2014 Akai Professional
AD33TP202F.PrjPcb
2014/12/1
AKAI
C
6 7
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:
SHIFT/LOAD
1
CLOCK
2
D4
3
D5
4
D6
5
D7
6
SER_OUT
7
8
8
SER_OUT
9
SER_IN
10
D0
11
D1
12
D2
13
D3
14
INHIBIT
15
VCC
16
U1 74 HC1 65
C15 0 .1 uF
SHIFT/LOAD
1
CLOCK
2
D4
3
D5
4
D6
5
D7
6
SER_OUT
7
8
8
SER_OUT
9
SER_IN
10
D0
11
D1
12
D2
13
D3
14
INHIBIT
15
VCC
16
U2 74 HC1 65
C16 0 .1 uF
R76 47 ohm
R77 47 ohm
TP10
SHIFT/LOAD
1
CLOCK
2
D4
3
D5
4
D6
5
D7
6
SER_OUT
7
8
8
SER_OUT
9
SER_IN
10
D0
11
D1
12
D2
13
D3
14
INHIBIT
15
VCC
16
U3 74 HC1 65
C17 0 .1 uF
R7 47 ohm
SW3 SW4 SW5 SW6 SW13 SW14 SW16
R24 4 1 0K R24 6 1 0K
A
1
B
2
C
3
4 5
E1
R24 7 0 ohm R24 8 0 ohm
SW0 SW1 SW2 SW8 SW9 SW10 SW11 SW12
R310K
R410K
R510K
R810K
R910K
R1410K
R1810K
R1910K
R201 0K
R351 0K
R621 0K
R641 0K
R791 0K
R801 0K
R811 0K
R821 0K
R8310K
R8410K
R8510K
R8610K
R8710K
R8810K
R8910K
R9010K
SHIFT/LOAD
1
CLOCK
2
D4
3
D5
4
D6
5
D7
6
SER_OUT
7
8
8
SER_OUT
9
SER_IN
10
D0
11
D1
12
D2
13
D3
14
INHIBIT
15
VCC
16
U21 74 HC1 65
C10 9 0.1uF
SHIFT/LOAD
1
CLOCK
2
D4
3
D5
4
D6
5
D7
6
SER_OUT
7
8
8
SER_OUT
9
SER_IN
10
D0
11
D1
12
D2
13
D3
14
INHIBIT
15
VCC
16
U23 74 HC1 65
C11 0 0.1uF
R17 7 47 ohm
SHIFT/LOAD
1
CLOCK
2
D4
3
D5
4
D6
5
D7
6
SER_OUT
7
8
8
SER_OUT
9
SER_IN
10
D0
11
D1
12
D2
13
D3
14
INHIBIT
15
VCC
16
U25 74 HC1 65
C11 1 0.1 uF
R18 1 47 ohm
R18210K
R18310K
R18410K
R18510K
R18610K
R18710K
R18810K
R18910K
R19010K
R19110K
R19210K
R19310K
R19410K
R19510K
R19610K
R19710K
R19810K
R19910K
R20010K
R20110K
R20210K
R20310K
R20910K
R21010K
SHIFT/LOAD
1
CLOCK
2
D4
3
D5
4
D6
5
D7
6
SER_OUT
7
8
8
SER_OUT
9
SER_IN
10
D0
11
D1
12
D2
13
D3
14
INHIBIT
15
VCC
16
U26 74 HC1 65
C11 2 0.1 uF
R131 0K
R12210K
R21110K
R21210K
R21310K
R21410K
R21510K
R18 0 47 ohm
R21 6 47 ohm
R111 0K
SW18 SW19 SW20 SW17
SW25
SW21 SW22 SW23
SW24 SW26 SW27 SW28 SW29 SW30 SW31 SW32 SW33 SW34 SW35 SW36 SW37 SW38 SW39
+3V3
GND
GND
+3V3
GND
GND
BUTTONS_IN
+3V3
GND
GND
SHIFT_BUTTONS
LOAD _ BUTTONS
SHIFT_BUTTONS
LOAD _ BUTTONS
SHIFT_BUTTONS
LOAD _ BUTTONS
EXT0 EXT1 EXT2
GND
GNDGND
+3V3
+3V3
GND
GND
+3V3
GND
GND
+3V3
GND
GND
SHIFT_BUTTONS
LOAD _ BUTTONS
SHIFT_BUTTONS
LOAD _ BUTTONS
SHIFT_BUTTONS
LOAD _ BUTTONS
GND GND GND
GND
+3V3
GND
SHIFT_BUTTONS
LOAD _ BUTTONS
GND
C10 01 DNS_ 0.1uF
C10 00 DNS_ 0.1uF
GND
SW_STOP
SW_PLAY
SW_RECORD
SW_SEQREC
SW_PADBANKA SW_PADBANKB SW_PADBANKC
SW_PADBANKD
SW_FULL
SW_1 6LEVELS
SW_TAPTEMPO
SW_N OTEREPEAT

Akai MPD232 Specifications

General

MIDI out	Yes
USB version	2.0
USB connector type	USB Type-B
USB ports quantity	1
Product color	Black
Number of drum pads	16
Number of mixer channels	8 channels
Current	1 A
Input voltage	6 V
Power supply type	USB
AC adapter included	No
Minimum RAM	1 GB
Minimum processor speed	1.25 GHz

Weight and Dimensions

Depth	254 mm
Width	422 mm
Height	48 mm
Weight	1900 g