C
OFSHEET:
SIZE:
REV:
DATED:
DATED:DRAWN:
RELEASED:
SCALE:
FILENAME:
PART NUMBER:
TITLE:
COMPANY:
A
B
D
C
A
B
C
D
6 5 4 3 2 1
DATE:LTR ECO NO: APPROVED:
REVISION RECORD
ASSY NUMBER:
AKAI
AFTERTOUCH
*
DNS
** decoupling cap should be place close to MUX
* decoupling cap should be placed close to connector
2
33
R.E./I.F/J.B/M.S./D.M. 7/20/2009
AD88MNB10A.sch
9-79-0506-B-1
9-40-0506-B
AD88/AD61 MAIN PCB
Copyright (c) 2009 Akai Digital Ltd.
ANALOG
MAXIMUM CARE SHOULD BE TAKEN IN ROUTING ALL SIGNALS ON THIS SHEET
*
**
DNS
DNS
DNS
DNS
NC
NC
NC
FOOTSWITCH
NC
EXPRESSION
*** *
DO NOT STUFF
FOR AD61/AD88
NC
FOOTSWITCH2
DO NOT STUFF
FOR AD49
DO NOT STUFF
FOR AD49
1
IO4
2
IO6
3
OUT/IN
4
IO7
5
IO5
6
INH
7
VEE
8
VSS
9
C
10
B
11
A
12
IO3
13
IO0
14
IO1
15
IO2
16
VDD
U4
74HC4051
R571M
R74
806 ohm 1%
1
2
3
4
J9
C31 0.1uF
C41
0.1uF
C40
0.1uF
C69 1000pF
R79 0 ohm
R58
33.2k 1%
R59 47.5k 1%
12
+
13
-
14
U8-D
LMV324M
R78
82.5k 1%
R60
15.8k 1%
+v
-v
4
11
U8-E
LMV324M
C60 0.1uF
C45
0.1uF
R56
2.32k 1%
R55
4.75k 1%
C46
0.1uF
R62 0 ohm
R63
11.8k 1%
R64 22.1k 1%
10
+
9
-
8
U8-C
LMV324M
C27
0.01uF
R61 15.8k 1%
C48
0.1uF
R53
1.33k 1%
R54
4.75k 1%
C47
0.01uF
R85 0 ohm
R86
11.0k 1%
R84 47.5k 1%
5
+
6
-
7
U8-B
LMV324M
R83 15.8k 1%
C59
0.1uF
R96
3.32k 1%
R95
3.32k 1%
C58
0.1uF
R80 0 ohm
R82
11.0k 1%
R81 47.5k 1%
3
+
2
-
1
U8-A
LMV324M
R75 15.8k 1%
C56
0.1uF
R76
3.32k 1%
R77
3.32k 1%
C57
0.1uF
C44
0.01uF
C26
0.01uF
C25
0.01uF
R34
0 ohm
R73 0 ohm
R35 0 ohm
R15 1K
TIP
RING
SLEEVE
1
2
3
4
5
6
7
J3
STEREO CLIFF CL111505W
12
3
D2
BAV99
C9
0.1uF
C10
0.1uF
R14 10K
R37 100k
R38 1K
R39 1K
TIP
RING
SLEEVE
1
2
3
4
5
6
7
J1
STEREO CLIFF CL111505W
12
3
D7
BAV99
1 2
3
D9
BAV99
C5
0.1uF
C23
0.1uF
C6
0.1uF
C42
0.1uF
R8
0 ohm
R9
0 ohm
R7
0 ohm
R12 1K
TIP
RING
SLEEVE
1
2
3
4
5
6
7
J2
STEREO CLIFF CL111505W
12
3
D1
BAV99
C7
0.1uF
C8
0.1uF
R13
10K
R10 0 ohm
R11 0 ohm
R36 0 ohm
1
2
3
4
J12
ANALOG_SELECT1
ANALOG_SELECT0
ANALOG_SELECT2
+3V3
ANALOG_SELECT[0:2]
ANALOG_TOP
ANALOG_TOP
ANALOG3
GND
PITCH_POT
+3V3
ANALOG_TOP
GND
ANALOG_TOP
GND
ANALOG_TOP
GND
ANALOG_TOP
MOD_POT
+3V3
+3V3
FOOTSWITCH
ANALOG_TOP
+3V3
FOOTSWITCH2
+3V3
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