Akai MPD32 Service Manual

AKAI
ASSY NUMBER:
REVISION RECORD
APPROVED:ECO NO:LTR DATE:
123456
D C B A
C D B A
COMPANY: TITLE: PART NUMBER: FILENAME: SCALE:
RELEASED: DRAWN: DATED:
DATED:
REV: SIZE:
SHEET: OF
C 1
62
R.E./I.F/J.B/M.S. 8/24/2007
AD32MNB00A.sch 9-79-0455-B-0 9-40-0455-B
AD32 MAIN PCB
Copyright (c) 2007 Akai Digital Ltd.
I/O PCB BREAK-OFF
N/CN/C
N/C
MIDI IN
N/C
N/C
MIDI OUT
N/C
NC
EXPRESSION
* decoupling cap should be placed close to connector
**
Power input is 6VDC
N/C
N/C
NC
FOOTSWITCH 1
NC
FOOTSWITCH 2
TO
MAIN BOARD
TO
MAIN BOARD
N/C
Exact number of grounded mounting holes TBD
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 from D28 to ground
1
2
3
4
5
6
7
8
J11
MIDI
C85
1000pF
C87
1000pF
R100 220 ohm
U13
TLP181
Q11 MBT4401
R91
220 ohm
R92
220 ohm
R99 10k
1
2
3
4
5
6
7
8
J10
MIDI
C84
1000pF
C83
1000pF
R97 47 ohm
R98 47 ohm
C81 0.1uF
C86 0.1uF
12
3
D27 BAV99
R88
100k
TIP
RING
SLEEVE
1
2
3
4
5 6
7
J14
STEREO CLIFF CL111505W
C79 0.1uF
C78 0.1uF
C80 0.1uF
GND
1
+VBUS
2
D-
3
D+
4
5 6
J15
D28
MBRS140LT3
D29
MBRS140LT3
R105 10k
R104 10k
1
2 3
J9
P6
R101
0 ohm
R106
0 ohm
12
3
D30 BAV99
C88 0.1uF
L5
CBC3225T100MR
10uH
L4
CBC3225T100MR
10uH
TIP
RING
SLEEVE
1
2
3
4
5 6
7
J12
STEREO CLIFF CL111505W
12
3
D25 BAV99
C75 0.1uF
C74 0.1uF
R93 10k
TIP
RING
SLEEVE
1
2
3
4
5 6
7
J13
STEREO CLIFF CL111505W
12
3
D26 BAV99
C77 0.1uF
C76 0.1uF
R94 10k
1 2 3 4 5
J8
R86
0 ohm
R96
0 ohm
R85
0 ohm
C89 1uF
C82 1uF
R95 1k R87 1k
R89 1k R90 1k
12
3
D24 BAV99
1 2 3 4 5
6 7 8 9
10 11
12
13 14
15 16
J7
BL109-16RU
1
2 3
Q13 MBT4403
R109 1.5k
Q14 MBT4401
R10347k
R10247k
R107 10k
R10810k
R110
47k
TP1 2
TP1 3
TP1 4
MIDI_TX_AMIDI_RX_A
+3V3_A
+3V3_A
FADE RS_HIGH_A
EXPRESSION_A
POWER_A
+3V3_A
+VIN_A
+3V3_A
+3V3_A
+3V3_A
+3V3_A
FOOTSWITCH2_A
FOOTSWITCH1_A
USB-A
USB+A
GND_A
POWER_A
+VIN_A
+3V3_A
GND_A GND_A
GND_A GND_ A
GND_A
GND_A GND_ A GND_A GND_A GND_A GND_ A GND_A GND_A GND_A
GND_A GND_ A GND_ A
GND_AGND_AGND_A
GND_A
GND_A
GND_A
USB_DIS_A
EXPRESSION_A
FOOTSWITCH2_A FOOTSWITCH1_A
MIDI_RX_A
MIDI_TX_A
FADE RS_HIGH_A
+3V3_A
GND_A
+3V3_A
USB_DIS_A
GND_A
GND_A

Akai MPD32 Specifications

General

Mixer section	-
Product color	Black
Drum pads backlight	Yes
Number of drum pads	16
Display type	LCD
USB connector type	USB Type-B
Power supply type	USB

Weight and Dimensions

Depth	384 mm
Width	308 mm
Height	64 mm