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Akai MPK225 Service Manual page 33

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1
6
COMPONENTS ON THIS SHEET SHOULD BE ON PAD PCB
A
D
SCAN0_L
SCAN1_L
B
C
+3V3_L
B
C
J1
1
1
BL109-14RU
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
A
D
1
2
3
5
4
4X4
PADS
P4
P8
1
2
1
2
PAD4
PAD8
P3
P7
1
2
1
2
PAD3
PAD7
P2
P6
1
2
1
2
PAD2
PAD6
P1
P5
1
2
1
2
PAD1
PAD5
+VLED_RGB_L
C11
C14
10uF
10uF
PAD_RETURN0_L
PAD_RETURN1_L
PAD_RETURN2_L
PAD_RETURN3_L
SCAN1_L
SCAN0_L
PADS_LEDS_OUT_L
LED_ENABLE_L
LOAD_LEDS_L
SHIFT_LEDS_L
GND_L
GND_LED_L
2
3
4
3
D20
2
RETURN3
3
3
+
R219
470 ohm
1
1
U41A
2
-
BAV70
LMV324M
C82
R221
4.7k
R218
C81
R220
0.01uF
12K
560pF
10k
GND_L
D19
GND_L
GND_L
GND_L
2
RETURN2
3
5
+
1
7
R223
470 ohm
U41B
6
-
BAV70
LMV324M
R225
4.7k
R222
C83
C84
R224
12K
560pF
10k
0.01uF
GND_L
GND_L
GND_L
GND_L
D18
2
RETURN1
3
10
+
R227
470 ohm
1
8
U41C
9
-
BAV70
LMV324M
C86
R226
C85
R228
R229
4.7k
10k
0.01uF
12K
560pF
GND_L
GND_L
GND_L
GND_L
D17
2
RETURN0
3
12
+
1
14
R231
470 ohm
U41D
13
-
BAV70
R230
LMV324M
C87
R232
R233
4.7k
C88
12K
10k
560pF
0.01uF
GND_L
GND_L
GND_L
GND_L
+3V3_L
C80
U41E
0.1uF
GND_L
DRAWN:
DRAWN_BY_1
RELEASED:
4
5
2
1
PAD_RETURN3_L
PAD_RETURN2_L
PAD_RETURN1_L
PAD_RETURN0_L
Copyright (c) 2013 Akai Professional
COMPANY:
AKAI
TITLE:
AD2A Top Panel
LEFT PCB - Pads
PART NUMBER:
PART_NUMBER
ASSY NUMBER:
ASSEMBLY_NUMBER
DATED:
#NAME?
FILENAME:
#NAME?
DATED:
Title
SCALE:
SHEET:
Size
Number
A3
Date:
2014/2/12
File:
D:\RD22\..\LEFT_PADS-20140210.SchDoc D rawn By:
5
6
A
D
B
C
B
C
A
D
SIZE:
#NAME?
OF
*
*
Revision
Sheet of
6

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