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Figure 2: RaspyPlay4 schematic

VCC- 3.3V

C1

100nF

E3

2.2uF

LOUT

ROUT

SDA

SCL

C2

100nF

E5

10uF

R2

10

RPY- 3.3V

C3

100nF

C4

100nF

R4

1K

RPY- 3.3V

MUTE

LRCIN

SDO

R3 10

BCLK

1

2

3

4

5

6

7

8

21

22

23

24

25

26

27

28

CPVDD

CAPP

CPGND

CAPM

VNEG

OUTL

OUTR

AVDD

LRCK

DIN

DVDD

DGND

LDOO

XSMT

ADR1

BCK

9

10

11

12

13

14

AGND

VCOM

SDA

SCL

GPIO5

GPIO4

15

16

17

18

19

20

GPIO3

SCK

GPIO6

MODE2

MODE1

ADR2

U1

PCM5122

3.3V

1

5V

2

SDA

3

N.C.0

4

SCL

5

GND

6

GPIO4

7

TXD

8

N.C.1

9

RXD

10

GPIO17

11

GPIO18

12

GPIO27

13

N.C.2

14

GPIO22

15

GPIO23

16

N.C.3

17

GPIO24

18

SPI_MOSI

19

N.C.4

20

SPI_MISO

21

GPIO25

22

SPI_SCLK

23

SPI_CE0

24

N.C.5

25

SPI_CE1

26

ID_SD

27

ID_SC

28

GPIO5

29

N.C.6

30

GPIO6

31

GPIO12

32

GPIO13

33

N.C.7

34

GPIO19

35

GPIO16

36

GPIO26

37

GPIO20

38

N.C.8

39

GPIO21

40

HDR_B+_40PIN

RPY- 3.3V

5V

SDA

SCL

RPTXD

RPRXD

IRIN

BCLK

LCDDB7

LCDDB6

LCDDB5

LCDDBL

LCDDB4

LCD_E

LCD_RS

IDSDA

IDSCL

R5

10

R6

10

LRCIN

SDO

GND

4

SDA

5

SCL

6

WP

7

A1

2

A2

3

VCC

8

A0

1

U2

24C02CSN

RPY- 3.3V

R7

1K

C5
100nF

R8

2K2

R9

2K2

IDSCL

IDSDA

EEWP

6

8

10

9

7

5

1

2

3

4

LCD  2X16

5V

VREG

LCD_E

LCDDB5

LCDDB7

LCD_RS

LCDDB4

LCDDB6

R1

R2

Q1

PDTC114EU

LCDDBL

1

2

HD1

MUTE

MUTE

P1

5V

VREG

1

2

3

HDR2

IRRCV

IRIN

E6

10uF

RPY- 3.3V

R10

100

PWR

VCC- 3.3V

R1

2K2

E1

VCC- 5V

VCC- 3.3V

5V

FP1

FERRITE

VIN

1

GND

2

EN

3

NC

4

VOUT

5

U3

NCP702  REG

C8

C10

100nF

E7

10uF

C9

10uF

100nF

10uF/16V

C11

10uF/16V

1

2

3

4

HD3

UART

RPTXD

RPRXD

RPY- 3.3V

1

2

HD4

EEWP

EEWP

E4

2.2uF

1

2

3

CONN1

AUDI O  RIGHT

C6

2.2nF

R11

470

ROUT

RIGHT

1

2

3

CONN2

AUDI O  LEFT

C7

2.2nF

R12

470

LOUT

LEFT

LEFT

RIGHT

1
2
3
4
5

CONN3

STEREO

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