Sony MZ-B10 service manual Lrck, Excs, Sens, Fmck, Xskh, Xskl, Xcsadc, SI0, SO0, SCK0

MZ-B10

Pin No.

Pin Name

I/O

Description

51

ADDT

I

Data input from the external A/D converter

52

LRCK

O

L/R sampling clock (44.1KHz) output to the external A/D converter

53

XBCK

O

Bit clock (2.8224MHz) output to the external A/D converter

54

FS256

O

11.2896MHz clock output

55

NC

O

Filter cutoff control signal output

Not used (open)

56

NC

I

Clock input from the external VCO

Not used (open)

57

LRCKI

I

Input terminal for the PCM data I/F/ ATRAC data I/F

Not used (open)

58

XBCKI

I

Input terminal for the PCM data I/F/ ATRAC data I/F

Not used (open)

59

DATAI

I

Input terminal for the PCM data I/F/ ATRAC data I/F

Not used (open)

60

NC

—

Not used (open)

61

EXCS

O

Chip select signal output teminal for the external SDRAM Not used (open)

62, 63

NC

—

Not used (open)

64 to 66

MNT0 to 2

O

DSP monitor (0) to (2) output terminal

Not used (open)

67

MNT3

O

DSP monitor (3) output terminal

68

SENS

O

DSP internal status (DSP SENS monitor) signal output terminal

Not used (open)

69

TX

O

Record data output enable signal output

Not used (open)

70

RECP

O

Laser power changeover signal output

Not used (open)

71

EFMO

O

EFM encode data output for the record to the REC driver

72

FMCK

I

FMCK signal input Not used (connected to the ground)

73

OFTRK

I/O

Tracking signal input/output

Not used (open)

74

XSKH

O

L circuit signal output

Not used (open)

75

XSKL

O

K-SHOCK circuit signal output

Not used (open)

76

DCLSOUTL

O

PWM modulator signal output for the D class headphone amplifier

Not used (open)

77

DCLSOUTR

O

PWM modulator signal output for the D class headphone amplifier

Not used (open)

78 to 85

TD0 to 7

—

TigerI/F data 0 to 7 terminal

Not used (open)

86

TREQ

—

TigerI/F REQUEST terminal

Not used (connected to the ground)

87

TACK

—

TigerI/F ACK terminal

Not used (connected to the ground)

88

PAUSE_KEY

I

Pause key detection input terminal from the switch & liquid crystal display module

89

PROTECT

I

Detection signal input terminal of the record check claw from the protect detection switch

“H”: protect

90

OPT_DET

I

DIN plug detection signal input

“H”: DIN plug detect

91

XJACK_DET

I

LINE IN plug detection signal input

“L”: LINE or OPT plug detect

92

XMIC_DET

I

Microphone plug detection signal input

“L”: microphone plug detect

93

OPEN_CLOSE_SW

I

Open/close detection switch of the upper panel input terminal

“L”: when upper panel close

94

XCS_ADC

O

Chip select signal output to the A/D converter

95

XPD_ADC

O

Power supply control signal output to the A/D converter

96

XCHG_CTL

O

Charge ON/OFF control signal output

Not used (open)

97

LCD_RST

O

Reset control signal output to the liquid crystal display module

98

XMUTE

O

Analog muting control signal output to the headphone amplifier

“L”: muting ON Not used (open)

99

XPATCH

I

Patch function detection terminal

“L”: patch function

(fixed at

“L” in this set)

100

SI0

I

Serial data input from the nonvolatile memory

101

SO0

O

Serial data output to the nonvolatile memory, A/D converter, liquid crystal display module and power control

102

SCK0

O

Serial clock output to the nonvolatile memory, A/D converter, liquid crystal display module and power control

103

XGUM_ON

I

Rechargeable battery detection switch input terminal

“L”: rechargeable battery in detect

Not used (open)

104

BEEP

O

Beep sound control signal output to the headphone amplifier

105

XOPT_CTL

O

Power supply ON/OFF control signal output for the DIN PD drive

106

XHP_STBY

O

Power supply control signal output to the headphone amplifier

107

AOUT_SEL

O

HP/LINE changeover signal output to the headphone amplifier

Not used (open)

108

REC_OPR_LED

O

LED ON/OFF control signal output for the REC display

109

CHG_LED_ON

O

Not used (open)

110

CHG_LED_OFF

O

Not used (open)

48