Akai MPK261 Service Manual

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2 2
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D D
C C B B
A A
Title
Number RevisionSize
A3
Date: 2014/2/13 Shee t of File: C:\Users\..\ANALOG-20130828.Sc hDoc Drawn By:
AFTERTOUCH
** decoupling cap should be place close to MUX
REV
Number of SheetsSheet Number
DRAWN_BY_1 LastSaved Date
File Name ASSEMBLY_NUM BER PART_NUMBER
TITLE_MAIN
Copyright
ANALOG
MAXIMUM CARE SHOULDBE TAKEN IN ROUTINGANALOG SIGNALS ON THIS SHEET
NC NC
NC
FOOTSWITCH
NC
EXPRESSION
FOOTSWITCH2
NC
DO NOT STUFF ON AD4A
DO NOT STUFF
DO NOT STUFF DO NOT STUFF
DO NOT STUFF
C
OFSHEET:
SIZE: REV:
DATED: DATED:DRAWN:
RELEASED:
SCALE: FILENAME: PARTNUMBER: TITLE: COMPANY:
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A B C D
6 5 4 3 2 1
DATE:LTR ECONO: APPROVED:
REVISION RECORD
ASSYNUMBER:
AKAI
IO4
1
IO6
2
OUT/IN
3
IO7
4
IO5
5
INH
6
VEE
7
VSS
8
C
9
B
10
A
11
IO3
12
IO0
13
IO1
14
IO2
15
VDD
16
74HC4051
U4
0.1uFC31
DNS_0.1uF C1005
0.1uF C40
1000pF
C69
0.1uF C60
0.1uF C45
0.1uF
C46
DNS_ 0.01uF C1004
0.1uF C48
0.01uF
C47
0.1uF C59
0.1uF
C58
0.1uF C56
0.1uF
C57
DNS_ 0.01uF C1006 DNS_ 0.01uF C1003
DNS_ 0.01uF C1002
1K
R15
0.1uF C9
0.1uF C10
10KR14
100kR37
1K
R38
1K
R39
0.1uF C5
0.1uF C23
0.1uF C6
0.1uF C42
1K R200
0.1uF C200
0.1uF C201
10KR10
GND
ANAL OG_SEL E CT3 ANAL OG_SEL E CT0 ANAL OG_SEL E CT2 ANAL OG_SEL E CT1
ANAL OG_TOP
ANAL OG_SEL E CT[0..3]
+3V3
GND
ANAL OG_TOP
GND
ANAL OG_TOP
GND
ANAL OG3
GND
GND
GND
GND
GND
+3V3
GND
ANAL OG_TOP
GND
GND
GND
ANAL OG_TOP
GND
GND
GND
ANAL OG_TOP
GND
GND
GND
ANAL OG_TOP
+3V3
GND GND
+3V3
FOOT SW ITCH
ANAL OG_TOP
GNDGND
GND
+3V3
FOOT SW ITCH2
+3V3
GND
MOD_POT PITCH_POT
T TS R RS S SS S1
J1 JACK 6.4mm
T TS R RS S SS S1
J3 JACK 6.4mm
T TS R RS S SS S1
J2 JACK 6.4mm
+
3
-
2
1
LMV324M
U8A
+
5
-
6
7
LMV324M
U8B
+
10
-
9
8
LMV324M
U8C
+
12
-
13
14
LMV324M
U8D
41 1
LMV324M U8E
1 2 3 4
J9
1 2 3 4
J12
BAV99 D7
BAV99
D9
BAV99
D2
BAV99
D200
0 ohm 5% R35 0 ohm 5% R73
0 ohm 5% R34
0 ohm 5% R85 0 ohm 5% R62
0 ohm 5% R80 0 ohm 5% R79
11k 1%
R82
15.8k 1% R75
15.8k 1% R83
3.32k 1%
R95
3.32k 1%
R96
3.32k 1%
R77
3.32k 1%
R76
11k 1%
R86
806 ohm 1% R74
15.8k 1% R61
4.75k 1%
R54
22.1k 1%R64
1.33k 1%
R53
11.8k 1%
R63
4.75k 1%
R55
2.32k 1%
R56
15.8k 1% R60 82.5k 1% R78
33.2k 1% R58
47.5k 1%
R59
ANAL OG_SEL E CT[0..3]
10K R11
FS2_DE TECT
0 ohm R201
GND
+3V3
42.2k 1% R84
42.2k 1% R81

Akai MPK261 Specifications

General

MIDI-keyboard number of keys	61 keys
Interface	USB
USB version	2.0
USB ports quantity	1
Minimum RAM	1024 MB
Minimum processor	1.25GHz G4 & G5 / 1.5GHz Pentium 4 & Celeron
Windows operating systems supported	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64

Weight and Dimensions

Depth	311 mm
Width	905 mm
Height	86 mm
Weight	6850 g