Akai AD20W, Service Manual

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

D

D

C

C

B

B

A

A

Check

REV

Description

Title:

Size

A3

Number

Revision

Date :

File Name:

Sheet       of

Design By :

DATE

Design

Approval

DGND

C4

0.1uF

DGND

VCC

AL4-08-0402

Vbus

1

D-

2

D+

3

GND

4

UGND

5

UGND

6

USB1

B-TYPE 1.1

0.1uF

C10

0.1uF

C7

0.1uF

C5

0.1uF

C2

5

2

6

1

D1
NUP2201MR6

0

.0

1

u

F

C

1

1

T

TS

R

RS

S

SS

J2

JK6K6J61A-AA-6

C30

0.1uF

C29

0.1uF

BAV99

D2

D+3.3V

DGND

DGND

DGND

D+3.3V

R5

47.5KΩ 1%

R2

866Ω

Q2
2N4403

0.1uF

C9

R1
866Ω

R4

866Ω

0.1uF

C8

R6
47.5KΩ 1%

DGND

DGND

DGND

C6

0.1uF

DGND

ADDR0
ADDR1
ADDR2

VR-OUT1
VR-OUT2

Debug

LED_CLK

LED_DATA

LED_RC

KBD_ROW1
KBD_ROW2
KBD_ROW3
KBD_ROW4
KBD_ROW5
KBD_ROW6
KBD_ROW7

KBD_COL1
KBD_COL2

KEY_COL1

KEY_COL0

KBD_COL3
KBD_COL4
KBD_COL5
KBD_COL6
KBD_COL7

KBD_COL0

LED_PW_EN

C26
18pF

C28
18pF

DGND

DGND

DGND

D+3.3V

C3

1uF

DGND

1

2

3

4

5

6

7

8

9

10

TE1

R17
47K

D+3.3V

R18
47K

DGND

VR+3.3V

KBD_ROW0

1

2

L1

Bead 60Ω 3A

+

EC1
47uF/6.3V

0.1uF

C24

+

EC2
22uF,16V

R26
10KΩ

JOYSTICK_X
JOYSTICK_Y

0

.0

1

u

F

C

1

2

V

B

A

T

1

PC13

2

OSC32_IN/PC14

3

OSC32_OUT/PC15

4

OSC_IN/PH0

5

OSC_OUT/PH1

6

RST

7

ADC_10/PC0

8

ADC_11/PC1

9

ADC_12/PC2

10

ADC_13/PC3

11

V

S

S

A

/V

R

E

F

-

1

2

V

D

D

A

/V

R

E

F

+

1

3

PA0/ADC_0

14

PA1/ADC_1

15

PA2/ADC_2

16

PA3/ADC_3

17

V

S

S

1

8

V

D

D

1

9

PA4/ADC_4

20

PA5/ADC_5

21

PA6/ADC_6

22

PA7/ADC_7

23

ADC_14/PC4

24

ADC_15/PC5

25

ADC_8/PB0

26

ADC_9/PB1

27

BOOT1/PB2

28

PB10

29

P

B

1

1

3

0

3

1

3

1

3

2

3

2

PB12

33

PB13

34

PB14

35

RTC_REF/PB15

36

PC6

37

PC7

38

PC8

39

MCO_2/PC9

40

PA8/USB_SOF/MCO_1

41

PA9/USB_VBUS

42

PA10/USB_ID

43

PA11/USB_D-

44

PA12/USB_D+

45

SWDIO/PA13

46

4

7

4

7

4

8

4

8

SWCLK/PA14

49

PA15

50

PC10

51

PC11

52

PC12

53

PD2

54

PB3

55

PB4

56

PB5

57

PB6

58

PB7

59

BOOT0

60

PB8

61

PB9

62

6

3

6

3

6

4

6

4

IC2

ICSTM32F070RBT6

DMP3099L

D

S

G

Q1

R27

1KΩ

R20

100Ω

R21

100Ω

R22

100Ω

R7

1MΩ

R25
1MΩ

R23
10KΩ

1

3

4

2

X1
8MHz

DGND

D+3.3V

DGND

FSR-OUT

PAD0

PAD1

PAD2

PAD3

PAD4

PAD6

PAD5

PAD7

ADDR0
ADDR1
ADDR2

DGND

D+3.3V

DGND

VR-OUT1

P1PHA

P1PHB

P2PHB

P2PHA

P3PHA

P4PHA

P4PHB
P3PHB

ADC Extension

ADDR0
ADDR1
ADDR2

0.1uF

C32

0.1uF

C31

0.01uF

C36

DNS

0.01uF

C38

DNS

DGND

DGND

D+3.3V

DGND

DGND

FSR-OUT

DGND

PAD-OUT

0.1uF

C37

0.01uF

C35

R28

4.7K

R29
12K

C34

470pF

3

1

4

IC3A

ICLMV321IDCKR

5

2

IC3B

ICLMV321IDCKR

DGND

D+3.3V

DGND

VR-OUT2

P5PHA

P5PHB

P6PHB

P6PHA

P7PHA

P8PHA

P8PHB
P7PHB

ADDR0
ADDR1
ADDR2

0.1uF

C33

0.01uF

C39

DNS

A0

11

Y3

12

Y0

13

Y1

14

A1

10

A2

9

Y2

15

VCC

16

Z

3

Y7

4

Y5

5

E

6

Y6

2

Y4

1

VEE

7

VSS

8

IC4

IC74HC4051PW

A0

11

Y3

12

Y0

13

Y1

14

A1

10

A2

9

Y2

15

VCC

16

Z

3

Y7

4

Y5

5

E

6

Y6

2

Y4

1

VEE

7

VSS

8

IC5

IC74HC4051PW

A0

11

Y3

12

Y0

13

Y1

14

A1

10

A2

9

Y2

15

VCC

16

Z

3

Y7

4

Y5

5

E

6

Y6

2

Y4

1

VEE

7

VSS

8

IC6

IC74HC4051PW

R30
10KΩ

PAD-OUT

DGND

R

1

0

1

0K

Ω

R

1

1

1

0K

Ω

R

1

2

1

0K

Ω

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15

J1

TO OLED

NC

NC

NC

NC

OLED1

DGND

C18

1uF

C21

1uF

C22

1uF

C23

1uF

C25

2.2uF

R24

392K

L6

C27

2.2uF

D+3.3V

D+3.3V

L5

L4

L3

L7

R19

10KΩ

OLED_RST
OLED_CS
OLED_CLK
OLED_CD
OLED_DATA

USB_N
USB_P

VBUS

PEDAL

PEDAL

2
1

3
4

L2
ACM2012-2P

USB._N
USB._P

1

0

00

p

F

C

1

3

1

0

00

p

F

C

1

4

1

0

00

p

F

C

1

5

R8

47Ω

R9

47Ω

R13

47Ω

IN

1

GND

2

EN

3

NC

4

OUT

5

IC1

TLV75733PDBVR

R70

0Ω

DGND