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Akai MPK225 Service Manual page 34

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1
6
A
D
MAXIMUM CARE SHOULD BE TAKEN IN ROUTING ALL SIGNALS ON THIS SHEET
* POT TOP CAPS SHOULD BE PLACED
AS CLOSE TO POT AS POSSIBLE
R91
1
3
B
C
*
GND
R65
1
3
*
GND
R44
1
3
B
C
*
GND
R32
1
3
*
GND
A
D
1
2
3
5
4
COMPONENTS ON THIS SHEET SHOULD BE ON RIGHT PCB
** POT OUT CAPS SHOULD BE PLACED
*** POT WIPER CAPS SHOULD BE PLACED
AS CLOSE TO 4051 AS POSSIBLE
AS CLOSE TO POT AS POSSIBLE
DO NOT STUFF
ANALOG_TOP
R22
Rotary1
Rotary5
1
L1
L5
3
R1
R5
***
**
*
***
**
DNS
DNS
GND
R12
Rotary2
Rotary6
1
L2
L6
3
R2
R6
***
**
*
***
**
DNS
DNS
GND
R8
Rotary3
Rotary7
1
L3
L7
3
R3
R7
***
**
*
***
**
DNS
DNS
GND
R9
Rotary8
Rotary4
1
L4
L8
3
R4
R8
***
**
*
***
**
DNS
DNS
GND
2
3
4
3
TP14
TP15
ANALOG_TOP
Do Not Stuff
+3V3
R1000
DNS_10 ohm
C22
22uF,16V
GND
C66
0.1uF
+3V3
VDD
13
3
L1
IO0
OUT/IN
ANALOG0
GND
14
L2
IO1
15
L3
IO2
12
L4
IO3
1
L5
IO4
5
L6
IO5
2
L7
IO6
4
L8
IO7
U10
C63
74HC4051
11
1000pF
ANALOG_SELECT0
A
10
ANALOG_SELECT1
B
9
ANALOG_SELECT2
C
6
INH
GND
+3V3
C67
0.1uF
VDD
13
3
R1
IO0
OUT/IN
ANALOG1
GND
14
R2
IO1
15
R3
IO2
12
R4
IO3
1
R5
IO4
5
R6
IO5
2
R7
IO6
4
C65
R8
IO7
U9
1000pF
74HC4051
11
ANALOG_SELECT0
A
10
ANALOG_SELECT1
B
9
ANALOG_SELECT2
C
6
INH
GND
DRAWN:
DRAWN_BY_1
RELEASED:
4
5
2
1
Copyright (c) 2013 Akai Professional
COMPANY:
AKAI
TITLE:
AD2A Top Panel
RIGHT PCB - ANALOG
PART NUMBER:
PART_NUMBER
ASSY NUMBER:
ASSEMBLY_NUMBER
DATED:
#NAME?
FILENAME:
#NAME?
DATED:
Title
SCALE:
SHEET:
Size
Number
A3
Date:
2014/4/25
File:
D:\RD22\..\FADER_POTS-20130911.SchDoc
5
6
A
D
B
C
B
C
A
D
SIZE:
#NAME?
OF
*
*
Revision
Sheet of
Drawn By:
6

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