Sony MZ-300 specifications Avss, Xin, Lrco, Fseq, Nweb, Defect, Wrqb

Page 14

MZ-E300

Pin No.

Pin name

I/O

Description

 

 

 

 

46

MAD2

O*

Address output to DRAM (NC)

 

 

 

 

47

SLPWMR

O*

Sled PWM output

 

 

 

 

48

MAD1

O*

Address output to DRAM (NC)

 

 

 

 

49

FOPWMF

O*

Focus PWM output

 

 

 

 

50

MAD0

O*

Address output to DRAM (NC)

 

 

 

 

51

FOPWMR

O*

Focus PWM output

 

 

 

 

52

TRPWMF

O*

Tracking PWM output

 

 

 

 

53

TRPWMR

O*

Tracking PWM output

 

 

 

 

54

MAD10

O*

Address output to DRAM (NC)

 

 

 

 

55

AVDD

Power supply for 1bit DAC

 

 

 

 

56

OUTL

O

1bit DAC L channel output

 

 

 

 

57

OUTR

O

1bit DAC R channel output

 

 

 

 

58

AVSS

Ground for 1bit DAC

 

 

 

 

59

VDD2

Power supply

 

 

 

 

60

XIN

I

16.9344MHz oscillation input

 

 

 

 

61

XOUT

O

16.9344MHz oscillation output

 

 

 

 

62

VSS

Ground

 

 

 

 

63

VDD1

Internal power supply

 

 

 

 

64

F16M

O*

16.9344MHz output

 

 

 

 

65

ENH

O*

De-emphasis instruction output

 

 

 

 

66

LRCO

O*

LR clock output

 

 

 

 

67

DDATA

O*

Audio expansion data output

 

 

 

 

68

BCO

O*

Bit clock output

 

 

 

 

69

DDOUT

O*

Digital audio output

 

 

 

 

70

SMON3

O*

Monitor signal output

 

 

 

 

71

SMON2

O*

Monitor signal output

 

 

 

 

72

SMON1

O*

Monitor signal output

 

 

 

 

73

SMON0

O*

Monitor signal output

 

 

 

 

74

FSEQ

O*

Frame sync. detection signal output

 

 

 

 

75

VP

O*

CLV servo lock decision output

 

 

 

 

76

MRASBT

O*

Output for test

 

 

 

 

77

MRASB

O*

RAS signal output to DRAM (NC)

 

 

 

 

78

FOK

O*

Focus OK signal output

 

 

 

 

79

NWEB

O*

WE signal output to DRAM (NC)

 

 

 

 

80

DEFECT

O*

Defect signal output

 

 

 

 

81

MD1

I/O

Data input/output to/from DRAM

 

 

 

 

82

FG

I

Speed pulse input

 

 

 

 

83

CL

I

Data transferring clock input for CPU interface

 

 

 

 

84

CE

I

Chip enable signal input for CPU interface

 

 

 

 

85

MDO

I/O

Data input/output to/from DRAM

 

 

 

 

86

DI

I

Data input for CPU interface

 

 

 

 

87

VDD1

power supply

 

 

 

 

88

DO

O

Data output for CPU interface

 

 

 

 

89

VDD2

Power supply

 

 

 

 

90

VSS

Ground

 

 

 

 

91

MD3

I/O

Data input/output to/from DRAM

 

 

 

 

92

WRQB

O

Interruption output for CPU interface

 

 

 

 

93

INTB

O

Interruption output for CPU interface

 

 

 

 

94

ADIPWO

I

Wobbly signal input

 

 

 

 

14

Image 14
Contents Specifications 873-064-13Section Servicing Note General LID ASSY, UPPER, Holder Assy DisassemblySection Mechanism DeckMain Board Optical PICK-UP AssyHow to set the Test Mode Section Test ModeSetting the Test Mode How to release the Test Mode Manual ModeOperations when the Test Mode is set How to set the Manual modeTest Mode Overall Adjustment ModeNV Reset Display segment check mode Electrical offset adjustment methodOverall adjustment mode structure Overall CD and MO adjustment method Ver 1.1MZ-E300 Overall CD and MO adjustment items Overall offset adjustmentIC601 LC89642-8B-E Section DiagramsExplanation of IC Terminals Pin No Pin name DescriptionLrco AvssXIN FseqPCK VcvssSetkey XresetRmckey OpenclsswSLED1FCON ClvwconSLED1RCON SLED2RCONBlock Diagrams Main BoardPrinted Wiring Boards Main /2 Refer to page 24 for NotesSemiconductor Location2121 Schematic Diagram Main /3 IC B/D2323 Digital MZ-E300 IC Block Diagrams IC551 SC111257FCR2 IC901 XPC18A32FCR2 Section Exploded Views Main SectionMechanism Deck Section MT-MZE300-176 M902Section Electrical Parts List MainElect Chip Short Revision History Date Description of Revision