AKAI
C
OFSHEET:
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REV:
DATED:
DATED:DRAWN:
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FILENAME:
PART NUMBER:
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COMPANY:
A
B
D
C
A
B
C
D
654321
DATE:LTR ECO NO: APPROVED:
REVISION RECORD
ASSY NUMBER:
CK4
PIN 2 OF ALL DUAL-DIODE PACKAGES IN SWITCH MATRIX ARE NOT CONNECTED
CK8
CK2
CK5
CK7
CK3
CK1
CK6
TAP TEMPO
TIME DIVISION
N/C
N/C
N/C
N/C
(FOOTSWITCH1)
(FOOTSWITCH2)
SWITCHES/LEDS
AD32 MAIN PCB
8/24/2007R.E./I.F/J.B/M.S.
9-40-0455-B
9-79-0455-B-0
66
1
AD32MNB00A.sch
Copyright (c) 2007 Akai Digital Ltd.
NOTE REPEAT
CK3
CK1
CK2
CK5
CK4
CK7
CK6
CK8
BACKLIT BUTTON LEDS ARE 2MMx3MM NON-DIFFUSED SET FOR 16mA
INDICATOR LEDS LEDS ARE T1 CASE DIFFUSED SET FOR 6mA
NOTE REPEAT
TIME DIVISION
TO
FRONT RIGHT
PCB
TAP TEMPO
R17
10k
R18
10k
R15
10k
R16
10k
S9
1
2
3
D15
1
Y0
2
Y1
3
Y2
4
Y3
5
Y4
6
Y5
7
Y6
8
Y7
9
Y8
10
Y9
11
Y1 0
12
GND
13
Y1 1
14
Y1 2
15
Y1 3
16
Y1 4
17
Y1 5
18
E1
19
E2
20
A3
21
A2
22
A1
23
A0
24
VCC
U11
CD74HC154M
S10
1
2
3
D18
S1
1
2
3
D8
S5
1
2
3
D2
S2
1
2
3
D3
S6
1
2
3
D1
S3
1
2
3
D5
S8
1
2
3
D4
S7
1
2
3
D7
C65 0.1uF
S4
1
2
3
D6
S11
1
2
3
D23
1
OE
2
D0
3
D1
4
D2
5
D3
6
D4
7
D5
8
D6
9
D7
10
GND
11
CLK
12
Q7
13
Q6
14
Q5
15
Q4
16
Q3
17
Q2
18
Q1
19
Q0
20
VCC
U9
SN74AC574PW
1
OE
2
D0
3
D1
4
D2
5
D3
6
D4
7
D5
8
D6
9
D7
10
GND
11
CLK
12
Q7
13
Q6
14
Q5
15
Q4
16
Q3
17
Q2
18
Q1
19
Q0
20
VCC
U8
SN74AC574PW
C42 0.1uF
C63 0.1uF
R13-A 68 ohm
R13-B 68 ohm
R13-C 68 ohm
R13-D 68 ohm
R14-A 68 ohm
R14-B 68 ohm
R14-C 68 ohm
R14-D 68 ohm
R22 68 ohm
LED1
YE L
LED2
YE L
LED3
YE L
LED4
YE L
LED5
YE L
LED6
YE L
LED7
YE L
LED8
YE L
LED9
YE L
Q2
MBT4403
R63
10k
Q1
MBT4403
R61
10k
LED11
YE L
R64 220 ohm
LED10
YE L
R62 220 ohm
11 10
U7-E
74AHC04
13 12
U7-F
74AHC04
Q7
MBT4401
R82 1k
Q6
MBT4401
R80 1k
1
2
3
D21
1
2
3
D22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J3
BL109-14RU
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J4
BL109-20RU
+3V3 +3V3 +3V3 +3V3
BUTTON_COLUMN[0:3]
BUTTON_ COLUMN3
BUTTON_ COLUMN2
BUTTON_ COLUMN1
BUTTON_ COLUMN0
BTN_SCAN_SEL[0:3]
BTN_SCAN_SEL0
BTN_SCAN_SEL1
BTN_SCAN_SEL2
BTN_SCAN_SEL3
+3V3
+3V3
LED_LATCH1
LED_LATCH2
+3V3
+3V3
LCD/LED_DATA[0:7]
LCD/LED_DATA0
LCD/LED_DATA1
LCD/LED_DATA2
LCD/LED_DATA3
LCD/LED_DATA4
LCD/LED_DATA5
LCD/LED_DATA6
LCD/LED_DATA7
LCD/LED_DATA5
LCD/LED_DATA6
LCD/LED_DATA7
LCD/LED_DATA4
LCD/LED_DATA3
LCD/LED_DATA2
LCD/LED_DATA1
LCD/LED_DATA0
POWER_EN
BUTTON_COLUMN[0:3]
BUTTON_ COLUMN0
BUTTON_ COLUMN1
BUTTON_ COLUMN2
BUTTON_ COLUMN3
+3V3
BTN_SCAN_4
BTN_SCAN_5
BTN_SCAN_6
LED_LATCH1
LED_LATCH2
NOTE_REPEAT_LED TAP_TEMPO_LED
+3V3 +3V3
+3V3_FULL
FOOTSWITCH1
FOOTSWITCH2
ANALOG_SELECT[0:2]
ANALOG_SELECT1
ANALOG_SELECT0
ANALOG_SELECT2
PAD_BANK_D
PAD_BANK_C
PAD_BANK_B
PAD_BANK_A
BANK_C
BANK_B
BANK_A
ANALOG0
ANALOG1
BTN_SCAN_11
BTN_SCAN_9
BTN_SCAN_8
ENC_A
ENC_B
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