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Akai MPK225 Service Manual page 36

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1
6
COMPONENTS ON THIS SHEET SHOULD BE ON RIGHT PCB
A
D
B
C
B
C
LEDS[0..21]
A
D
1
2
3
5
4
+VLED
U62
13
15
LEDS16
LED_ENABLE
OE
Q0
1
LEDS17
Q1
12
2
LEDS18
LOAD_LEDS
RCLK
Q2
3
LEDS19
Q3
10
4
LEDS20
SCLR
Q4
5
LEDS21
Q5
11
6
N/C
SHIFT_LEDS
SCLK
Q6
7
TP4
N/C
Q7
74HC595
14
9
LEDS_OUT
SER
SDO
C8
0.1uF
R451
47 ohm
GND_LED
GND_LED
+VLED
U63
13
15
LEDS8
LED_ENABLE
OE
Q0
1
LEDS9
Q1
12
2
LEDS10
LOAD_LEDS
RCLK
Q2
3
LEDS11
Q3
10
4
LEDS12
SCLR
Q4
5
LEDS13
Q5
11
6
LEDS14
SHIFT_LEDS
SCLK
Q6
7
LEDS15
Q7
74HC595
14
9
SER
SDO
C7
R452
47 ohm
0.1uF
GND_LED
GND_LED
+VLED
U64
13
15
LEDS0
LED_ENABLE
OE
Q0
1
LEDS1
Q1
12
2
LEDS2
LOAD_LEDS
RCLK
Q2
3
LEDS3
Q3
10
4
LEDS4
SCLR
Q4
5
LEDS5
Q5
11
6
LEDS6
SHIFT_LEDS
SCLK
Q6
7
LEDS7
Q7
74HC595
14
9
R1
47 ohm
SER
SDO
C5
0.1uF
GND_LED
GND_LED
2
3
4
3
LEDS[0..21]
LEDS0
47 ohm
R204A
47 ohm
R204B
LEDS1
LEDS2
47 ohm
R204C
47 ohm
R204D
LEDS3
LEDS4
47 ohm
R205A
47 ohm
R205B
LEDS5
LEDS6
47 ohm
R205C
47 ohm
R205D
LEDS7
LEDS8
47 ohm
R206A
47 ohm
R206B
LEDS9
LEDS10
47 ohm
R206C
47 ohm
R206D
LEDS11
LEDS12
47 ohm
R207A
47 ohm
R207B
LEDS13
LEDS14
47 ohm
R207C
47 ohm
R207D
LEDS15
LEDS16
47 ohm
R208A
47 ohm
R208B
LEDS17
LEDS18
47 ohm
R208C
47 ohm
R208D
LEDS19
LEDS20
47 ohm
R209A
LEDS21
47 ohm
R209B
47 ohm
R209C
47 ohm
R209D
PADS_LEDS_OUT
11
10
SHIFT_CLK
U22E
SHIFT_BUTTONS1
74AHC04
9
8
U22D
SHIFT_LEDS
74AHC04
DRAWN:
DRAWN_BY_1
RELEASED:
4
5
2
1
+3V3
LED1
AMBER
PRESET
LED2
AMBER
EDIT
LED3
AMBER
GLOBAL
LED4
AMBER
PROGRAM CHANGE
LED5
AMBER
NOTE REPEAT
LED6
AMBER
ARP
LED7
AMBER
LATCH
+VLED
LED8
AMBER
TAP TEMPO
C1
PAD BANK A
10uF
PAD BANK B
ANALOG_TOP
GND_LED
PAD BANK C
PAD BANK D
FULL LEVEL
BTNS_08.
BTNS_09.
LED14
AMBER
TIME DIVISION
BTNS_10.
BTNS_11.
BTNS_12.
LED15
AMBER
OCTAVE DOWN
PITCH_POT
LED16
AMBER
OCTAVE UP
MOD_POT
LED17
AMBER
SOFTKEY 1
LED18
AMBER
SOFTKEY 2
LED19
AMBER
SOFTKEY 3
GND
GND
LED20
AMBER
SOFTKEY 4
LED21
CONTROL BANK A
LED22
CONTROL BANK B
C3
10uF
GND_LED
PAD BANK A
Copyright (c) 2013 Akai Professional
COMPANY:
AKAI
TITLE:
board
RIGHT PCB - LEDS
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\..\LEDS-20131122.SchDoc
5
6
A
D
J2
1
2
TO
3
4
5
LEFT
6
B
7
C
8
PCB
9
10
11
12
13
14
15
16
C6
10uF
B
C
A
D
SIZE:
#NAME?
OF
*
*
Revision
Sheet of
Drawn By:
6

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