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Schematic diagram – NAD C 542 User Manual

Page 14

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L302

10uH

VCC

R308

3K

R309

3K

X301

4.00M

UNLD

LOAD

XRST

XLAT
CLOK

DATA

SCOR

SYSM

RW/ROM/LDOFF

RW/ROM/LDOFF

SCLK
SQCK

1/2X

CD/CDR

DISCO

DI/SW

R331

4K

7

R332

1K

R333

4K

7

R328

4K7

R327

4K

7

R334

4K

7

SQSO

SENS

C301

33p

C302

33p

C303

0.01u

1

2

3

Q311

8050

D303

IN4148

R312
10K

R311 100K

C308

10u/16V

VCC

C304

0.1u

C305

220uF/16V

C307

47uF/10V

D+5V

VCC

DAT

1

GND

2

VCC

3

M113
REMOTE

+D5V

R313

10

C420

10uF/16V

TP301

M101
B.SCAN

M106

OPEN/CLOSE

M102
F.SCAN

M107
PREV

M103
REPEAT

M105
RANDOM

M104
TIME

M109

STOP

M108
NEXT

M110

PLAY

R303

6K2

R302

6K2

R305

2K

R304

2K

R307

1K

R306

1K

R310

3K

R301

1K

VCC

TP303

SYSM

SQSO
SENS

SCOR

DATA

CLOK

XLAT

XRST
LOAD
UNLD

SCLK
SQCK
1/2X
CD/CDR

DISCO
DI/SW

MUTE

R317

1K

R314

OPEN

R315

1K

M314

TRIG SW

AUTO

OFF

R318

470

R336

10K

D304

STANDBY

RED

GREEN

R319

560

1

2

3

Q309

8050

1

2

3

Q310

8050

R1316 4K7

D307

IN4148

K501C

RELAY SW

+10V

TP302

75/5

1

P74/AN4

2

P73/AN3

3

P72/AN2

4

P71/AN1

5

P70/AN0

6

P61/CT02

7

P60/CT1

8

P47/1NT2

9

/RESET

10

P91/XOUT

11

P90/XIN

12

VSS

13

XIN

14

XOUT

15

VCC

16

P46/T3OUT

17

P45/T1OUT

18

P44/PWM1

19

P43/BUZ01

20

P42/INT3

21

P41/INT1

22

P40/INT0

23

P87PWM0/FLD39

24

P86

25

P85

26

P84

27

VEE

28

P83

29

P82

30

STANDBY

31

POWER

32

P37/FLD31

33

P36

34

P35

35

P34

36

P33

37

P32

38

P31

39

P30

40

P17/FLD23

41

P16

42

P15

43

P14

44

P13

45

P12

46

P11

47

P10

48

P07FLD15

49

P06

50

P05

51

P04

52

P03

53

P02

54

P01

55

P00

56

P27/FLD7

57

P26

58

P25

59

P24

60

P23

61

P22

62

P21/FLD1

63

P20

64

P57

65

P56

66

P55

67

P54

68

P53

69

P52

70

P51

71

P50

72

AVSS

73

VREF

74

P65

75

P64

76

P63

77

P62

78

P77/AN7

79

76/6

80

U301

MCU

-VP

VCC

F1/01

1

F1/02

2

NP

3

6G/03

4

5G/04

5

4G/05

6

3G/06

7

NC

8

2G/07

9

1G/08

10

NC

11

P1/09

12

P2/10

13

P3/11

14

P4/12

15

NC

16

NC

17

P5/13

18

P6/14

19

P7/15

20

P8/16

21

NC

22

NC

23

P9/17

24

P10/18

25

P11/19

26

P12/20

27

NC

28

P13/21

29

P14/22

30

P15/23

31

P16/24

32

NC

33

F2/25

34

F2/26

35

TP318

VFD

VFD3

VFD4

VFD5

VFD6

VFD7

VFD8

VFD9

VFD10

VFD11

VFD12

VFD13

VFD14

VFD15

VFD16

VFD17

VFD18

VFD19

VFD20

VFD21

VFD22

VFD23

VFD24

F1

F2

VFD3

VFD4

VFD5

VFD6

VFD7

VFD8

VFD9

VFD10

VFD11

VFD12

VFD13

VFD14

VFD15

VFD16

VFD17

VFD18

VFD19

VFD20

VFD21

VFD22

VFD23

VFD24

VCC

R329

4K7

R330

OPEN

R321

10K

NADLINK

REM_IN

1

2

3

Q312

8050

K502C

RELAY SW

D308

IN4148

C419

103

C310

100uF/6V3

D409

U301-P50

IN4148

1

2

3

Q402

2SD1012F

1

2

3

Q403

2SA1015

R412
4K7

R413

47K

R406
7K5

R415
7K5

1

2

3

Q401

2SA1015

R416

47K

R405 22K

C408

22u/16V

D411

IN4148

C407

2200u

16V

D403

3V3

MUTE

A+12V

R403 10K

R335

10K

VCC

1

2

3

Q307

8050

R338

10K

C403

OPEN

R322

15K

D305

IN5393

C306

0.1u

VCC

SENSOR

1

3

2

M315

TRIGGER_IN

M38B59EF

MCU

SCHEMATIC DIAGRAM