Sony MDS-SD1 service manual Chak-In

Page 52

Pin No.

Pin Name

I/O

Function

51

CHAK-IN

I

Detection signal from IN switch

 

 

 

 

52

HOME

I

Detection signal form HOME switch

 

 

 

 

53

PACK-OUT

I

Detection signal from OUT switch

 

 

 

 

54

LDIN

O

Loading motor in control

 

 

 

 

55

LDOUT

O

Loading motor out control

 

 

 

 

56

LD-LOW

O

Loading motor voltage control output

 

 

 

 

57

LDON

O

Laser power ON/OFF

 

 

 

 

58

REFLECT

I

Disc reflection rate detection

 

 

 

 

59

PROTECT

I

Disc hole detection

 

 

 

 

60

PB-P

I

Detection signal from playback position detection switch

 

 

 

 

61

REC/PB

O

Not used

 

 

 

 

62

3.3V

–

Power supply 3.3V

 

 

 

 

63

LIMITIN

I

Detection signal from limit switch

 

 

 

 

64

GND

–

Ground pin

 

 

 

 

65

MOD

O

High frequency superimposing ON/OFF output

 

 

 

 

66

XLAT

O

Latch signal output to serial pulse

 

 

 

 

67

WRPWR

O

BD light power ON/OFF output

 

 

 

 

68

LODINGSEL

I

LOADING SELECT input (Fixed at “L”)

 

 

 

 

69

L3MODE

I

AD/DA MODE signal output

 

 

 

 

70

MODEL

I

Model selection (Fixed at “H”)

 

 

 

 

71

DIST

I

Destination selection (Fixed at “H”)

 

 

 

 

72

SCTX

O

Timing for sending write data to CXD2654

 

 

 

 

73

XINT

I

CXD2654 interrupt status input

 

 

 

 

74

REC-P

I

Not used

 

 

 

 

75

DQSY

I

Digital in sync input

 

 

 

 

76

NC

O

Not used

 

 

 

 

77

DIGRST

O

CXD2654, motor driver reset signal

 

 

 

 

78

SENS

I

Internal status

 

 

 

 

79

MNT3

I

Spindle servo lock status monitor

 

 

 

 

80

MNT2

I

Command execution status monitor

 

 

 

 

81

MNT1

I

Track jump signal

 

 

 

 

82

MNT0

I

Focus OK signal

 

 

 

 

83

SENSORSW

O

MAIN SENSOR waveform switching output (Not used)

 

 

 

 

84

DISK5

I

DISC5 IN SW (Not used)

 

 

 

 

85

DISK1

I

DISC1 IN SW (Not used)

 

 

 

 

86

DISK2

I

DISC2 IN SW (Not used)

 

 

 

 

87

SCL

O

Clock signal to backup memory

 

 

 

 

88

SDA

I/O

Data signal to backup memory

 

 

 

 

89

DISK4

I

DISC4 IN SW (Not used)

 

 

 

 

90

DISK3

I

DISC3 IN SW (Not used)

 

 

 

 

91

HEADSWDWN

I

Recording head down detection signal (Not used)

 

 

 

 

92

HEADSWUP

I

Recording head up detection signal (Not used)

 

 

 

 

93

KEY3

I

Key 3 (A/D) (Not used)

 

 

 

 

94

KEY2

I

Key 2 (A/D) (Not used)

 

 

 

 

95

KEY1

I

Key 1 (A/D)

 

 

 

 

96

AVSS

–

Ground pin

 

 

 

 

97

KEY0

I

Key 0 (A/D)

 

 

 

 

98

VREF

–

A/D reference voltage 3.3V

 

 

 

 

99

3.3V

–

Power supply 3.3V

 

 

 

 

100

WMCLK

I

MD WM LINK data input

 

 

 

 

– 66 –

Page 51 Page 53
Image 52
Page 51 Page 53
Contents Specifications MDS-JE520MDM-5A MBU-5ASELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Specification Label Flexible Circuit Board RepairingParts No Table of Contents DisassemblyDiagrams Exploded ViewsSection Servicing Note JIG for Checking BD Board WaveformRecord Precedure Checks Prior to Parts Replacement and Adjustments Criteria for Determination Measure if unsatisfactoryForced Reset Main Board Component SideCleaning of Objective Lens of Optical Pickup Fluorescent Indicator Tube and Mechanism DeckAttaching the Glass Assembly Fluorescent Indicator TUBE, LED Complete Lighting CheckServicing Position Retry Cause Display Mode Higher Bits Lower Bits HexaCause of Retry Occurring conditions BinaryHigher Bits Lower Bits Hexa Details Bit When BinaryHexadecimal Binary Section General Front Panel Location of Parts and ControlsGlass Assy Section DisassemblyFront Panel Slider CAM Base Unit and BD BoardSW Board and Loading Motor M103 Section Test Mode Precautions for USE of Test ModeSetting the Test Mode Exiting the Test ModeSelecting the Test Mode GroupNon-Volatile Memory Mode EEP Mode Operating the Continuous Playback ModeFunctions of Other Buttons Test Mode Displays Section Electrical Adjustments Parts Replacement and AdjustmentPrecautions for Checking Laser Diode Emissinon Precautions for USE of Optical PICK- UP KMS-260APrecautions for Adjustments Creating Continuously Recorded DiscTemperature Compensation Offset Check Laser Power CheckChecks Prior to Repairs Specified ValuePlay Checking MO Error Rate Check CD Error Rate CheckFocus Bias Check Self-Recording/playback CheckInitial Setting of Adjustment Value Temperature Compensation Offset AdjutmentLaser Power Adjustment Recording and Displaying the IOP InformationTraverse Adjustment Focus Bias Adjustment Error Rate Check Auto Gain Control Output Level AdjustmentCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Section Diagrams Circuit Boards LocationBlock Diagrams BD Section MDS-SD1PB Digital out REC DigitalPBDigital out Main SectionRECDigital For schematic diagrams For printed wiring boardsWaveforms Display SectionPrinted Wiring Board BD Section Semiconductor LocationSchematic Diagram BD 1/2 Section Schematic Diagram BD 2/2 Section Schematic Diagram Main 1/2 Section Schematic Diagram Main 2/2 Section Printed Wiring Board Main Section Schematic Diagram Panel Section Printed Wiring Board Panel Section Schematic Diagram Connector Section Printed Wiring Board Connector Section System Control To HCD-SD1MDS-SD1 IC Block Diagrams BD Section IC101Main Section IC201 UDA1341TS/N2 IC152 BH6511FS-E2IC301 LB1641 IC822 M62016FP-E1 Connector Section IC774 P82B715TD.118IC851 M5293L IC101 CXA2523AR RF Amplifier BD Board IC PIN FunctionsPin No Pin Name Function IC701 M30610MC-A01FP System Control ∝CON Main Board CHAK-IN Section Exploded Views Case and Back Panel SectionFL901 1-517-804-11 Indicator TUBE, Fluorescent Front Panel SectionPanel SW Board 67 A-4724-619-A Panel BOARD, CompleteInsulator F Mechanism Deck Section MDM-5A209 4-988-466-21 Spring ELECTROSTATIC, Leaf HEAD, Over Light Base Unit Section MBU-5AMotor ASSY, Sled Section Electrical Parts List Connector Connector Encoder Main Main Inductor Line FilterFILTER, Line FeritePanel Panel SW Accessories & Packing Materials FILTER, Clamp Ferrite Core MANUAL, Instruction EnglishMANUAL, Instruction CHINESESP,HK Hardware List Screw +BSony Corporation
Top Page Image Contents