Aiwa NSX-SZ2E, Service Manual

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Description

Pin No.

Pin Name

I/O

39

EFLG

O

C1, C2 error correction monitor pin. (Not used)

40

TEST

I

Test input pin. (Connected to GND)

41

EMPH

I/O

Emphasis pin. Which becomes an input pin after reset and can be controlled externally. This

becomes an emphasis monitor pin under control by command.  (Not used)

42

MUTEL

O

L channel mute output pin.  (Not used)

43

MUTER

—

R channel mute output pin. (Not used)

44

LVDD

—

L channel power supply pin.

45

LCHO

I

L channel output pin.

46

LVSS

—

L channel ground pin.

47

RVSS

O

R channel ground pin.

48

RCHO

I

R channel output pin.

49

RVDD

O

R channel power supply pin.

50

XVDD

O

Crystal oscillator power supply pin.

51

XIN

I

Connections for a 16.9344MHz crystal oscillator pin.

52

XOUT

O

53

XVSS

I

Crystal oscillator ground pin.

54

ASLRCK

I

L/R clock input pin. (Connected to GND)

55

ASDACK

I

Bit clock input pin. (Connected to GND)

56

ASDFIN

—

L/R channel data input pin. (Connected to GND)

57

LRSY

—

L/R clock output pin. (Not used)

58

DATACK

O

Bit clock output pin. (Not used)

59

DATA

O

L/R channel data output pin. (Not used)

60

16M

O

16.9344MHz output pin. (Not used)

61

SFSY

O

Subcode frame synchronization signal output pin. This signal falls when the subcode is in the

standby state. (Not used)

62

SBSY

O

Subcode clock synchronization signal output pin. (Not used)

63

PW

O

Subcode P, Q, R, S, T, U and W output pin. (Not used)

64

SBCK

I

Subcode readout clock input pin. (Connected to GND)

65

CE

I

Chip enable signal input pin.

66

CL

I

Data transfer clock input pin.

67

DI

I

Data input pin.

68

DO

O

Data output pin.

69

INT

O

Interruption signal output pin. (Not used)

70

WRQ

O

Interruption signal output pin.

71

RES

I

Reset input pin. This pin must be set low briefly after power is first applied.

72

DRF

O

Focus ON detect pin.

73

C2F

—

Microprocessor interface power supply.

74

VDD

—

Digital ground pin.

75

DOUT

I/O

General-purpose input/output pin 6. (Not used)

76

CONT7

I/O

General-purpose input/output pin 7. (Not used)

77

V/P

O

Rough servo/phase control automatic switching monitor output pin.

“H” for rough servo and “L” for phase servo. (Not used)

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