Sony MDX-61 Wfck, Gfs, TEST2, DVSS1, Dicv, Asyo, Asyi, Bias, Rfi, AVSS1, Cltv, Fili, Filo, Adio

Page 21

Pin No.

Pin Name

I/O

 

 

Function

 

 

 

 

 

 

 

41

WFCK

O

WFCK clock (7.35kHz) signal output (When playback : EFM decoder PLL system,

When recoding : EFM encoder PLL system)

Not used this set (OPEN)

 

 

 

 

 

42

GTOP

O

Opens the playback EFM frame sync protection window when “H” Not used this set (OPEN)

 

 

 

 

 

 

 

 

 

 

 

The playback EFM frame sync and interpolation protection timing match when “H”

43

GFS

O

Not used this set (OPEN)

 

 

 

 

 

 

 

 

 

 

 

 

 

44

XPLCK

O

EFM decoder PLL clock (98Fs=4.3218MHz) signal output

Falling edge of the EFM PLL clock and

the EFM signal match Not used this set (OPEN)

 

 

 

 

 

 

 

 

 

45

EFMO

O

FM signal output (When recoding)

Not used this set (OPEN)

 

 

 

 

 

 

 

 

 

 

 

Overflow detection signal output of the internal RAM (Decoder monitor out)

46

RAOF

O

RAOF is signal generated when the 32k RAM exceeds the ± 4F jitter margin

 

 

 

 

 

Not used this set (OPEN)

 

 

 

 

 

 

 

 

 

 

 

47

MVCI

I

Oscillation input for PLL of the digital in

Not used this set (Fixed at “L”)

 

 

 

 

 

 

 

 

 

 

48

TEST2

I

Test terminal input (Fixed at “L”)

 

 

 

 

49

DIPD

O (3)

Phase comparator output for PLL of the digital in

When the internal VCO : Frequency ; Low“H”

When the external VCO : Frequency ; Low

“L”

Not used this set (OPEN)

 

 

 

 

 

50

DVSS1

Ground terminal (Digital system)

 

 

 

 

 

 

 

 

 

 

51

DICV

I (A)

Control voltage input terminal of the internal VCO for digital in PLL

 

 

 

 

 

 

 

52

DIFI

I (A)

Filter input terminal of the internal VCO for digital in PLL

Not used this set (Fixed at “L”)

53

DIFO

O (A)

Filter output terminal of the internal VCO for digital in PLL

Not used this set (OPEN)

 

 

 

 

 

 

 

 

54

AVDD1

Power supply terminal (+3.3V) (Analog system)

 

 

 

 

 

 

 

 

 

55

ASYO

O

Playback EFM full-swing output (L=VSS, H=VDD)

 

 

 

 

 

 

 

 

56

ASYI

I (A)

Playback EFM asymmetry comparate voltage input terminal

 

 

 

 

 

 

 

57

BIAS

I (A)

Playback EFM asymmetry circuit constant current input terminal

 

 

 

 

 

 

 

58

 

RFI

I (A)

Playback EFM RF signal input from CXA1981AR (IC100)

 

 

 

 

 

 

 

 

 

 

 

59

AVSS1

Ground terminal (Analog system)

 

 

 

 

 

 

 

 

 

 

60

CLTV

I (A)

VCO control voltage input terminal of the PLL for decoder PLL master clock

 

 

 

 

 

 

61

PCO

O (3)

Phase comparator output terminal of the PLL for decoder PLL master clock

62

FILI

I (A)

Filter input terminal of the PLL for decoder PLL master clock

 

 

 

 

 

 

63

FILO

O (3)

Filter output terminal of the PLL for decoder PLL master clock

 

 

 

 

 

 

64

PEAK

I (A)

Light amount peak hold signal input from CXA1981AR (IC100)

65

BOTM

I (A)

Light amount bottom hold signal input from CXA1981AR (IC100)

 

 

 

 

 

 

 

66

ABCD

I (A)

Light amount signal input from CXA1981AR (IC100)

 

 

 

 

 

 

 

 

67

 

FE

I (A)

Focus error signal input from CXA1981AR (IC100)

 

 

 

 

 

 

 

 

 

 

68

AUX1

I (A)

Sub signal input from CXA1981AR (IC100)

 

 

 

 

 

 

 

 

 

 

69

 

VC

I (A)

Center point voltage (1/2 VCC)

input from CXA1981AR (IC100)

 

 

 

 

 

 

 

70

ADIO

O (A)

Monitor output of the A/D converter input signal

Not used this set (OPEN)

 

 

 

 

 

 

 

 

 

 

71

TEST3

I (A)

Test input terminal (Fixed at “L”)

 

 

 

 

 

 

 

 

 

 

 

 

72

AVDD2

Power supply terminal (+3.3V) (Analog system)

 

 

 

 

 

 

 

 

73

ADRT

I (A)

A/D converter action limits (upper side) voltage input (Fixed at “H”)

74

ADRB

I (A)

A/D converter action limits (lower side) voltage input (Fixed at “L”)

 

 

 

 

 

 

 

 

 

 

75

AVSS2

Ground terminal (Analog system)

 

 

 

 

 

 

 

 

 

 

 

 

76

 

SE

I (A)

Sled error signal input from CXA1981AR (IC100)

 

 

77

 

TE

I (A)

Tracking error signal input from CXA1981AR (IC100)

 

 

 

 

 

 

 

 

78

AUX2

I (A)

Sub signal input terminal from CXA1981AR (IC100)

 

 

 

 

 

 

 

 

 

 

 

– 35 –

Image 21
Contents MDX-61 SpecificationsTable of Contents DiagramsExploded Views Electrical Parts List Section General Page Page Page Section Disassembly Front Panel ASS’Y, Case UpperRear Panel ASS’Y, MD Section Chassis Base ASS’Y, Chassis OP ASS’Y Chassis Gear ASS’Y, Main BoardOptical PICK-UP KMS-193C/J2N Servo BoardSection Diagrams MDX-61 Block DiagramPage Page Page Page Page Page Servo section Aapc ApcrefXrst SwdtShck DfctShcken WrpwrGFS WfckTEST2 DVSS1TEST1 DchgLddr FfdrSCK VDDSense SmdiXcas XOEXCS XrasSES LESDCS1 DCS2BUS-ON DOOR-SWSTR-SW ClockCase Section Section Exploded ViewsVer Mechanism 171 EHS Flexible Lamp Main Section Electrical Parts ListTransistor MainRB604 1-239-516-11 RESISTOR, Network 1608 1Kx4 Main PowerPower Sensor Servo CNP1 Memo Revision History